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Re: execve failure

 
VCS Engineering
Occasional Advisor

тАО09-06-2010 11:25 PM

тАО09-06-2010 11:25 PM

execve failure

When I executed the application with tusc, the application is failing with the following error:

exit(9) [implicit (execve failure)]......................WIFEXITED(9).

What does this indicate?
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Dennis Handly
Acclaimed Contributor

тАО09-07-2010 12:11 AM

тАО09-07-2010 12:11 AM

Re: execve failure

All you did was just use tusc and normally it works? What exact tusc command did you use?
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VCS Engineering
Occasional Advisor

тАО09-07-2010 01:46 AM

тАО09-07-2010 01:46 AM

Re: execve failure

Hi Dannis,

The application internally does fork and calls execve to run another program. But it is failing.
I am trying to find out why the execve is failing. I observed the above message in tusc output. So, I am trying to understand the meaning of the same.

Thanks for your help.
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Dennis Handly
Acclaimed Contributor

тАО09-07-2010 02:57 AM

тАО09-07-2010 02:57 AM

Re: execve failure

It would help if we saw more of the tusc system calls. Use -fp and -ea options.
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VCS Engineering
Occasional Advisor

тАО09-07-2010 04:53 AM

тАО09-07-2010 04:53 AM

Re: execve failure

Hi Dennis,

Here is the tusc output for that process

[16952] fork() .......................................................................................................... (returning as child ...) ......... = 16951
[16952] getpid() ........................................................................................................................................... = 16952 (16951)
[16952] _lwp_self() ........................................................................................................................................ = 6994636
[16952] set_userthreadid(1) ................................................................................................................................ = 1
[16952] sysconf(_SC_CCNUMA_PM) ............................................................................................................................. = 1
[16952] mpctl(MPC_GETLWP_BINDVALUE, 0, -4) ................................................................................................................. = 104
[16952] mpctl(MPC_SETLWP, -7, -4) .......................................................................................................................... = -6
[16952] _lwp_self() ........................................................................................................................................ = 6994636
[16952] _lwp_getscheduler(LWP_SCHED_SPECIFIC, 6994636, 0x9fffffffbf50d288, 0x9fffffffbf50d28c) ............................................................. = 0
[16952] chdir("/") ......................................................................................................................................... = 0
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sigprocmask(SIG_SETMASK, 0x9ffffffffffed010, 0x9ffffffffffed030) ................................................................................... = 0
[16952] sigprocmask(SIG_SETMASK, 0x9ffffffffffed030, 0x9ffffffffffed010) ................................................................................... = 0
[16952] sigsetreturn(NULL, 0x6212003, 48640) ............................................................................................................... = 0
[16952] sigprocmask(SIG_SETMASK, 0x9ffffffffffed010, 0x9ffffffffffed030) ................................................................................... = 0
[16952] sigprocmask(SIG_SETMASK, 0x9ffffffffffed030, 0x9ffffffffffed010) ................................................................................... = 0
[16952] sigvec(SIGHUP, 0x9ffffffffffed050, 0x9ffffffffffed060) ............................................................................................. = 0
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sigvec(SIGINT, 0x9ffffffffffed050, 0x9ffffffffffed060) ............................................................................................. = 0
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sigvec(SIGQUIT, 0x9ffffffffffed050, 0x9ffffffffffed060) ............................................................................................ = 0
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sigvec(SIGILL, 0x9ffffffffffed050, 0x9ffffffffffed060) ............................................................................................. = 0
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sigvec(SIGTRAP, 0x9ffffffffffed050, 0x9ffffffffffed060) ............................................................................................ = 0
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sigvec(SIGABRT, 0x9ffffffffffed050, 0x9ffffffffffed060) ............................................................................................ = 0
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sigvec(SIGEMT, 0x9ffffffffffed050, 0x9ffffffffffed060) ............................................................................................. = 0
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sigvec(SIGFPE, 0x9ffffffffffed050, 0x9ffffffffffed060) ............................................................................................. = 0
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sigvec(SIGBUS, 0x9ffffffffffed050, 0x9ffffffffffed060) ............................................................................................. = 0
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sigvec(SIGSEGV, 0x9ffffffffffed050, 0x9ffffffffffed060) ............................................................................................ = 0
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sigvec(SIGSYS, 0x9ffffffffffed050, 0x9ffffffffffed060) ............................................................................................. = 0
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sigvec(SIGPIPE, 0x9ffffffffffed050, 0x9ffffffffffed060) ............................................................................................ = 0
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sigvec(SIGALRM, 0x9ffffffffffed050, 0x9ffffffffffed060) ............................................................................................ = 0
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sigvec(SIGTERM, 0x9ffffffffffed050, 0x9ffffffffffed060) ............................................................................................ = 0
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sigvec(SIGUSR1, 0x9ffffffffffed050, 0x9ffffffffffed060) ............................................................................................ = 0
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sigvec(SIGUSR2, 0x9ffffffffffed050, 0x9ffffffffffed060) ............................................................................................ = 0
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sigvec(SIGCLD, 0x9ffffffffffed050, 0x9ffffffffffed060) ............................................................................................. = 0
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sigvec(SIGTSTP, 0x9ffffffffffed050, 0x9ffffffffffed060) ............................................................................................ = 0
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sigvec(SIGCONT, 0x9ffffffffffed050, 0x9ffffffffffed060) ............................................................................................ = 0
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sigvec(SIGTTIN, 0x9ffffffffffed050, 0x9ffffffffffed060) ............................................................................................ = 0
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sigvec(SIGTTOU, 0x9ffffffffffed050, 0x9ffffffffffed060) ............................................................................................ = 0
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sigvec(SIGURG, 0x9ffffffffffed050, 0x9ffffffffffed060) ............................................................................................. = 0
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sigvec(SIGLOST, 0x9ffffffffffed050, 0x9ffffffffffed060) ............................................................................................ = 0
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sigvec(SIGRESERVE, 0x9ffffffffffed050, 0x9ffffffffffed060) ......................................................................................... ERR#22 EINVAL
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sigvec(SIGDIL, 0x9ffffffffffed050, 0x9ffffffffffed060) ............................................................................................. ERR#22 EINVAL
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sigvec(SIGXCPU, 0x9ffffffffffed050, 0x9ffffffffffed060) ............................................................................................ = 0
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sigvec(SIGXFSZ, 0x9ffffffffffed050, 0x9ffffffffffed060) ............................................................................................ = 0
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sigvec(SIGCANCEL, 0x9ffffffffffed050, 0x9ffffffffffed060) .......................................................................................... = 0
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sigvec(SIGGFAULT, 0x9ffffffffffed050, 0x9ffffffffffed060) .......................................................................................... ERR#22 EINVAL
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sigvec(SIGRT1, 0x9ffffffffffed050, 0x9ffffffffffed060) ............................................................................................. = 0
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sigvec(SIGRT2, 0x9ffffffffffed050, 0x9ffffffffffed060) ............................................................................................. = 0
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sigvec(SIGRT3, 0x9ffffffffffed050, 0x9ffffffffffed060) ............................................................................................. = 0
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sigvec(SIGRT4, 0x9ffffffffffed050, 0x9ffffffffffed060) ............................................................................................. = 0
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sigvec(SIGRT5, 0x9ffffffffffed050, 0x9ffffffffffed060) ............................................................................................. = 0
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sigvec(SIGRT6, 0x9ffffffffffed050, 0x9ffffffffffed060) ............................................................................................. = 0
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sigvec(SIGRT7, 0x9ffffffffffed050, 0x9ffffffffffed060) ............................................................................................. = 0
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] sigvec(SIGRT8, 0x9ffffffffffed050, 0x9ffffffffffed060) ............................................................................................. = 0
[16952] sysconf(_SC_SIGRTMAX) .............................................................................................................................. = 44
[16952] write(5, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0".., 216) ................................................................................................ = 216
[16952] open("/dev/null", O_RDWR|0x800, 0330) .............................................................................................................. = 3
[16952] dup2(3, 0) ......................................................................................................................................... = 0
[16952] dup2(3, 1) ......................................................................................................................................... = 1
[16952] dup2(3, 2) ......................................................................................................................................... = 2
[16952] getpid() ........................................................................................................................................... = 16952 (1)
[16952] pstat(PSTAT_PROC, 0x9ffffffffffecbb0, 1216, 0, 16952) .............................................................................................. = 1
[16952] close(3) ........................................................................................................................................... = 0
[16952] close(4) ........................................................................................................................................... = 0
[16952] close(5) ........................................................................................................................................... = 0
[16952] execve(0x9fffffffffffe130, 0x600000000001d130, 0x9ffffffffffff928) ................................................................................. [entry]
[16952] execve(0x9fffffffffffe130, 0x600000000001d130, 0x9ffffffffffff928) ................................................................................. [entry]
[16952] exit(9) [implicit (execve failure)] ................................................................................................................ WIFEXITED(9)
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VCS Engineering
Occasional Advisor

тАО09-07-2010 10:41 PM

тАО09-07-2010 10:41 PM

Re: execve failure

Hi Dennis,

I saw the following messages on terminal

tusc: ttrace(TT_PROC_RDDATA, 23045, 0, 9ffffffffffff9d0, 4, 9ffffffffffff170): Bad address
tusc: ttrace(TT_PROC_RDDATA, 23045, 0, 9ffffffffffff9e0, 4, 9ffffffffffff170): Bad address

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Dennis Handly
Acclaimed Contributor

тАО09-08-2010 12:49 AM

тАО09-08-2010 12:49 AM

Re: execve failure

>[16952] open("/dev/null", O_RDWR|0x800, 0330) = 3
[16952] dup2(3, 0) = 0
[16952] dup2(3, 1) = 1
[16952] dup2(3, 2) = 2

Are you creating a demon here by using /dev/null?

>[16952] execve(0x9fffffffffffe130, 0x600000000001d130, 0x9ffffffffffff928) [entry]

You should immediately see the argv and env values here.

>[16952] exit(9) [implicit (execve failure)] . WIFEXITED(9)

I'm not sure what this means. exec(2) doesn't return errno 9, EBADF.

You'll need to put some printfs in your code to see how you handle a bad status from exec(2). Also print the name, arguments and errno.

>I saw the following messages on terminal
tusc: ttrace(TT_PROC_RDDATA, 23045, 0, 9ffffffffffff9d0, 4, 9ffffffffffff170): Bad address

These are tusc errors, you can ignore them.
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VCS Engineering
Occasional Advisor

тАО09-20-2010 12:16 AM

тАО09-20-2010 12:16 AM

Re: execve failure

It is third party application. So I cannot modify the source code for debugging.
Please see my answers inline starting with Mangesh>

>[16952] open("/dev/null", O_RDWR|0x800, 0330) = 3
[16952] dup2(3, 0) = 0
[16952] dup2(3, 1) = 1
[16952] dup2(3, 2) = 2

Are you creating a demon here by using /dev/null?

Mangesh> That's correct.

>[16952] execve(0x9fffffffffffe130, 0x600000000001d130, 0x9ffffffffffff928) [entry]

You should immediately see the argv and env values here.

Mangesh> I see both the argv and env values.


>[16952] exit(9) [implicit (execve failure)] . WIFEXITED(9)

I'm not sure what this means. exec(2) doesn't return errno 9, EBADF.

You'll need to put some printfs in your code to see how you handle a bad status from exec(2). Also print the name, arguments and errno.

Mangesh> Does it mean that there is some issue with file descriptors shared between the parent process and execed process.

>I saw the following messages on terminal
tusc: ttrace(TT_PROC_RDDATA, 23045, 0, 9ffffffffffff9d0, 4, 9ffffffffffff170): Bad address

These are tusc errors, you can ignore them.
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Dennis Handly
Acclaimed Contributor

тАО09-20-2010 02:56 AM

тАО09-20-2010 02:56 AM

Re: execve failure

>I cannot modify the source code for debugging.

Then you have to do assembly debugging.

>I see both the argv and env values.

It helps if we see them too, the exact output of "tusc -fp -ea".

>Does it mean that there is some issue with FDs shared between the parent process and execed process.

Possibly. But it seems the tusc output is bogus. I.e. why say "implicit (execve failure)". Why not show execve(2) returning a bad errno value that we can trust?
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VCS Engineering
Occasional Advisor

тАО09-20-2010 07:31 AM

тАО09-20-2010 07:31 AM

Re: execve failure

Hi Dennis,

The tusc output starting from fork is called.

[5509] fork() .............................................................(returning as child ...) ......... = 5508
[5508] fork() ............................................................................................... = 5509
[5509] getpid() ............................................................................................. = 5509 (5508)
[5509] lwp_self() ........................................................................................... = 4821488
[5508] exit(0) .............................................................................................. WIFEXITED(0)
[5509] set_userthreadid(1) .................................................................................. = 1
[5509] sysconf(_SC_CCNUMA_PM) ............................................................................... = 1
[5509] mpctl(MPC_GETLWP_BINDVALUE, 0, -4) ................................................................... = 104
[5509] mpctl(MPC_SETLWP, -7, -4) ............................................................................ = -6
[5509] lwp_self() ........................................................................................... = 4821488
[5509] lwp_getscheduler(LWP_SCHED_SPECIFIC, 4821488, 0x9fffffffbf50d288, 0x9fffffffbf50d28c) ................ = 0
[5509] chdir("/") ........................................................................................... = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigprocmask(SIG_SETMASK, 0x9ffffffffffec8e0, 0x9ffffffffffec900) ..................................... = 0
[5509] sigprocmask(SIG_SETMASK, 0x9ffffffffffec900, 0x9ffffffffffec8e0) ..................................... = 0
[5509] sigsetreturn(NULL, 0x6212003, 48640) ................................................................. = 0
[5509] sigprocmask(SIG_SETMASK, 0x9ffffffffffec8e0, 0x9ffffffffffec900) ..................................... = 0
[5509] sigprocmask(SIG_SETMASK, 0x9ffffffffffec900, 0x9ffffffffffec8e0) ..................................... = 0
[5509] sigvector(SIGHUP, 0x9ffffffffffec920, 0x9ffffffffffec930) ............................................ = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(SIGINT, 0x9ffffffffffec920, 0x9ffffffffffec930) ............................................ = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(SIGQUIT, 0x9ffffffffffec920, 0x9ffffffffffec930) ........................................... = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(SIGILL, 0x9ffffffffffec920, 0x9ffffffffffec930) ............................................ = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(SIGTRAP, 0x9ffffffffffec920, 0x9ffffffffffec930) ........................................... = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(SIGABRT, 0x9ffffffffffec920, 0x9ffffffffffec930) ........................................... = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(SIGEMT, 0x9ffffffffffec920, 0x9ffffffffffec930) ............................................ = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(SIGFPE, 0x9ffffffffffec920, 0x9ffffffffffec930) ............................................ = 0
[5434] waitpid(5508, WIFEXITED(0), 0) ....................................................................... = 5508
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5434] close(5) ............................................................................................. = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(SIGBUS, 0x9ffffffffffec920, 0x9ffffffffffec930) ............................................ = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(SIGSEGV, 0x9ffffffffffec920, 0x9ffffffffffec930) ........................................... = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(SIGSYS, 0x9ffffffffffec920, 0x9ffffffffffec930) ............................................ = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(SIGPIPE, 0x9ffffffffffec920, 0x9ffffffffffec930) ........................................... = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(SIGALRM, 0x9ffffffffffec920, 0x9ffffffffffec930) ........................................... = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(SIGTERM, 0x9ffffffffffec920, 0x9ffffffffffec930) ........................................... = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(SIGUSR1, 0x9ffffffffffec920, 0x9ffffffffffec930) ........................................... = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
5509] sigvector(SIGUSR2, 0x9ffffffffffec920, 0x9ffffffffffec930) ........................................... = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(SIGCLD, 0x9ffffffffffec920, 0x9ffffffffffec930) ............................................ = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(SIGPWR, 0x9ffffffffffec920, 0x9ffffffffffec930) ............................................ = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(SIGVTALRM, 0x9ffffffffffec920, 0x9ffffffffffec930) ......................................... = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(SIGPROF, 0x9ffffffffffec920, 0x9ffffffffffec930) ........................................... = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(SIGIO, 0x9ffffffffffec920, 0x9ffffffffffec930) ............................................. = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(SIGWINCH, 0x9ffffffffffec920, 0x9ffffffffffec930) .......................................... = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(SIGTSTP, 0x9ffffffffffec920, 0x9ffffffffffec930) ........................................... = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(SIGCONT, 0x9ffffffffffec920, 0x9ffffffffffec930) ........................................... = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(SIGTTIN, 0x9ffffffffffec920, 0x9ffffffffffec930) ........................................... = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(SIGTTOU, 0x9ffffffffffec920, 0x9ffffffffffec930) ........................................... = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(SIGURG, 0x9ffffffffffec920, 0x9ffffffffffec930) ............................................ = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(SIGLOST, 0x9ffffffffffec920, 0x9ffffffffffec930) ........................................... = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(_SIGRESERVE, 0x9ffffffffffec920, 0x9ffffffffffec930) ....................................... ERR#22 EINVAL
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(_SIGDIL, 0x9ffffffffffec920, 0x9ffffffffffec930) ........................................... ERR#22 EINVAL
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(_SIGXCPU, 0x9ffffffffffec920, 0x9ffffffffffec930) .......................................... = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(_SIGXFSZ, 0x9ffffffffffec920, 0x9ffffffffffec930) .......................................... = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(_SIGCANCEL, 0x9ffffffffffec920, 0x9ffffffffffec930) ........................................ = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(_SIGGFAULT, 0x9ffffffffffec920, 0x9ffffffffffec930) ........................................ ERR#22 EINVAL
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(SIGRT1, 0x9ffffffffffec920, 0x9ffffffffffec930) ............................................ = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(SIGRT2, 0x9ffffffffffec920, 0x9ffffffffffec930) ............................................ = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(SIGRT3, 0x9ffffffffffec920, 0x9ffffffffffec930) ............................................ = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(SIGRT4, 0x9ffffffffffec920, 0x9ffffffffffec930) ............................................ = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(SIGRT5, 0x9ffffffffffec920, 0x9ffffffffffec930) ............................................ = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(SIGRT6, 0x9ffffffffffec920, 0x9ffffffffffec930) ............................................ = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(SIGRT7, 0x9ffffffffffec920, 0x9ffffffffffec930) ............................................ = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] sigvector(SIGRT8, 0x9ffffffffffec920, 0x9ffffffffffec930) ............................................ = 0
[5509] sysconf(_SC_SIGRTMAX) ................................................................................ = 44
[5509] write(5, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0".., 216) .................................................. = 216
[5434] read(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0".., 216) ................................................... = 216
[5509] open("/dev/null", O_RDWR|0x800, 0330) ................................................................ = 3
[5434] close(3) ............................................................................................. = 0
[5509] dup2(3, 0) ........................................................................................... = 0
[5509] dup2(3, 1) ........................................................................................... = 1
[5509] dup2(3, 2) ........................................................................................... = 2
[5509] getpid() ............................................................................................. = 5509 (1)
[5509] pstat(PSTAT_PROC, 0x9ffffffffffec480, 1216, 0, 5509) ................................................. = 1
[5509] close(3) ............................................................................................. = 0
[5509] close(4) ............................................................................................. = 0
[5509] close(5) ............................................................................................. = 0
[5509] execve(0x9fffffffffffda00, 0x600000000001cfb0, 0x9ffffffffffff1f0) ................................... [entry]
argv[0] @ 0x600000000001d040: "/crsvol/bin/ohasd"
argv[1] @ 0x6000000000034390: "reboot"
env[0] @ 0x9ffffffffffff391: "_=/crsvol/bin/crsctl.bin"
env[1] @ 0x9ffffffffffff3aa: "MANPATH=/usr/share/man/%L:/usr/share/man:/usr/contrib/man/%L:/usr/cont
rib/man:/usr/local/man/%L:/usr/local/man:/opt/VRTS/vxfs5.0/man:/opt/ldapux/share/man/%L:/opt/ldapux/share/man:/opt/ipf/man:/opt/lda
pux/ypldapd/man:/opt/samba/man:/opt/samba/WTEC_Support_Tools/man:/opt/samba/cfsm_man:/opt/cifsclient/share/man:/opt/openssl/man:/op
t/openssl/prngd/man:/opt/wbem/share/man:/opt/graphics/common/man:/opt/amgr/man/%L:/opt/amgr/man:/opt/sec_mgmt/share/man:/opt/calipe
r/man/%L:/opt/caliper/man:/opt/resmon/share/man/%L:/opt/resmon/share/man:/opt/drd/share/man/%L:/opt/drd/share/man:/opt/dsau/man:/op
t/gnome/man:/opt/perf/man/%L:/opt/perf/man:/opt/propplus/share/man:/usr/contrib/kwdb/share/man:/opt/perl_32/man:/opt/perl_64/man:/o
pt/prm/man/%L:/opt/prm/man:/opt/psb/healthtest/share/man:/opt/sfm/share/man:/opt/swm/share/man/%L:/opt/swm/share/man:/opt/swa/share
/man/%L:/opt/swa/share/man:/opt/ssh/share/man:/opt/sentinel/man/%L:/opt/sentinel/man:/opt/langtools/share/man/%L:/opt/langtools/sha
re/man:/opt/wlm/share/man/%L:/opt/wlm"
env[2] @ 0x9ffffffffffff868: "LANG=C"
env[3] @ 0x9ffffffffffff86f: "VCS_LOG_RESOURCE_NAME=cssd"
env[4] @ 0x9ffffffffffff88a: "VCS_AGFW=1"
env[5] @ 0x9ffffffffffff895: "SHLIB_PATH=/crsvol/lib32:/opt/nmapi/nmapi2/lib/hpux32:"
env[6] @ 0x9ffffffffffff8cc: "VCSAG_REG_VERSION=4"
env[7] @ 0x9ffffffffffff8e0: "__ARIES_PA_AOUT_MAXSSIZ=8388608"
env[8] @ 0x9ffffffffffff900: "PATH=/usr/bin:/bin:/usr/sbin:/sbin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/
sbin:/usr/bin:/usr/ccs/bin:/usr/contrib/bin:/usr/contrib/Q4/bin:/opt/perl/bin:/opt/ipf/bin:/opt/gvsd/bin:/opt/nettladm/bin:/opt/fcm
s/bin:/opt/wbem/bin:/opt/wbem/sbin:/opt/sas/bin:/opt/graphics/common/bin:/opt/atok/bin:/usr/bin/X11:/usr/contrib/bin/X11:/opt/sec_m
gmt/bastille/bin:/opt/resmon/bin:/opt/drd/bin:/opt/dsau/bin:/opt/dsau/sbin:/opt/gnome/bin:/opt/perf/bin:/opt/propplus/bin:/usr/cont
rib/kwdb/bin:/opt/prm/bin:/opt/sfm/bin:/opt/swm/bin:/opt/sec_mgmt/spc/bin:/opt/ssh/bin:/opt/swa/bin:/opt/hpsmh/bin:/opt/langtools/b
in:/opt/wlm/bin:/opt/gwlm/bin:/opt/VRTS/bin:/opt/VRTSvcs/sbin:/opt/VRTSvcs/sbin:/opt/VRTSvxvm/bin:/opt/VRTSvcs/vxfen/bin:/etc/vx/bi
n:/usr/lib/vxvm/bin:/opt/VRTSvxfs/cfs/bin:/opt/caliper/bin:/opt/firefox:/opt/perl_32/bin:/opt/perl_64/bin:/opt/thunderbird:/opt/sen
tinel/bin:/sbin:/home/root"
env[9] @ 0x9ffffffffffffc73: "COLUMNS=158"
env[10] @ 0x9ffffffffffffc7f: "VCS_LOG_SCRIPT_NAME=online"
env[11] @ 0x9ffffffffffffc9a: "EDITOR=vi"
env[12] @ 0x9ffffffffffffca4: "PTHREAD_COMPAT_MODE=0"
env[13] @ 0x9ffffffffffffcba: "LOGNAME=root"
env[14] @ 0x9ffffffffffffcc7: "HOSTNAME=sliam31"
env[15] @ 0x9ffffffffffffcd8: "ERASE=^H"
env[16] @ 0x9ffffffffffffce1: "VCSONE_LOG_AGENT_NAME=Application"
env[17] @ 0x9ffffffffffffd03: "VCSONE_LOG_SCRIPT_NAME=online"
env[18] @ 0x9ffffffffffffd21: "VCSONE_LOG_RESOURCE_NAME=cssd"
env[19] @ 0x9ffffffffffffd3f: "VCS_HOME=/opt/VRTSvcs"
env[20] @ 0x9ffffffffffffd55: "__ARIES_PA_STACK_SIZE_max=8388608"
env[21] @ 0x9ffffffffffffd77: "SHLVL=2"
env[22] @ 0x9ffffffffffffd7f: "VCSONE_LOG_CATEGORY=10021"
env[23] @ 0x9ffffffffffffd99: "EAT_HOME_DIR=/opt/VRTSvcs"
env[24] @ 0x9ffffffffffffdb3: "SHELL=/sbin/sh"
env[25] @ 0x9ffffffffffffdc2: "HOSTTYPE=hppa2.0"
env[26] @ 0x9ffffffffffffdd3: "ORASYM=/crsvol/bin/crsctl.bin"
env[27] @ 0x9ffffffffffffdf1: "VCS_CONF=/etc/VRTSvcs"
env[28] @ 0x9ffffffffffffe07: "OSTYPE=hpux11.00"
env[29] @ 0x9ffffffffffffe18: "ORA_CRS_HOME=/crsvol"
env[30] @ 0x9ffffffffffffe2d: "EAT_CATALOG_DIR=/opt/VRTSvcs"
env[31] @ 0x9ffffffffffffe4a: "HOME=/"
env[32] @ 0x9ffffffffffffe51: "CLUSTER_DIAG=/var/VRTSvcs/diag//agents/Application"
env[33] @ 0x9ffffffffffffe84: "VCS_DIAG=/var/VRTSvcs"
env[34] @ 0x9ffffffffffffe9a: "LD_LIBRARY_PATH=/crsvol/lib:/opt/nmapi/nmapi2/lib/hpux64:/usr/lib:/op
t/VRTSvcs/lib:"
env[35] @ 0x9ffffffffffffeee: "TERM=xterm"
env[36] @ 0x9ffffffffffffef9: "ORACLE_HOME=/crsvol"
env[37] @ 0x9fffffffffffff0d: "VCS_LOG_AGENT_NAME=Application"
env[38] @ 0x9fffffffffffff2c: "__ARIES_PA_STACK_SIZE_cur=8388608"
env[39] @ 0x9fffffffffffff4e: "PWD=/opt/VRTSvcs/bin/Application"
env[40] @ 0x9fffffffffffff6f: "MACHTYPE=hppa2.0-hp-hpux11.00"
env[41] @ 0x9fffffffffffff8d:
env[42] @ 0x9fffffffffffff99:
env[43] @ 0x9fffffffffffffb0:
env[44] @ 0x9fffffffffffffc0:
env[45] @ 0x9fffffffffffffda:
env[46] @ 0x9fffffffffffffe3:
[5434] socket(AF_INET6, SOCK_DGRAM, 0) ...................................................................... = 3
[5434] setsockopt(3, SOL_SOCKET, SO_REUSEADDR, 0x9fffffffffffd1b8, 4) ....................................... = 0
[5434] bind(3, 0x6000000000771070, 28) ...................................................................... = 0
[5434] getsockname(3, 0x9fffffffffffd2f0, 0x9fffffffffffd1b0) ............................................... = 0
[5434] getpeername(3, 0x9fffffffffffd2f0, 0x9fffffffffffd1b0) ............................................... ERR#235 ENOTCONN
[5434] getsockopt(3, SOL_SOCKET, SO_SNDBUF, 0x9fffffffffffd444, 0x9fffffffffffd440) ......................... = 0
[5434] getsockopt(3, SOL_SOCKET, SO_RCVBUF, 0x9fffffffffffd444, 0x9fffffffffffd440) ......................... = 0
[5434] fcntl(3, F_SETFD, 1) ................................................................................. = 0
[5434] ioctl(3, FIONBIO, 0x9fffffffffffd52c) ................................................................ = 0
[5434] gettimeofday(0x9fffffffffffc520, NULL) ............................................................... = 0
[5434] socket(AF_UNIX, SOCK_STREAM, 0) ...................................................................... = 5
[5434] access("/tmp/.oracle/sOHASD_UI_SOCKET", F_OK) ........................................................ = 0
[5434] connect(5, 0x9fffffffffffbb60, 94) ................................................................... ERR#239 ECONNREFUSED
[5434] access("/tmp/.oracle/sOHASD_UI_SOCKET", F_OK) ........................................................ = 0
[5509] execve(0x9fffffffffffda00, 0x600000000001cfb0, 0x9ffffffffffff1f0) ................................... [entry]
[5509] exit(9) [implicit (execve failure)] .................................................................. WIFEXITED(9)

>Does it mean that there is some issue with FDs shared between the parent process and execed process.

Possibly. But it seems the tusc output is bogus. I.e. why say "implicit (execve failure)". Why not show execve(2) returning a bad errno value that we can trust?

Mangesh> The error displayed by tusc on terminal refers to the arguments of execve.

tusc: ttrace(TT_PROC_RDDATA, 5509, 0, 600000000001cfb0, 4, 9fffffffffffecb0): Bad addression") [32-bit] )
tusc: ttrace(TT_PROC_RDDATA, 5509, 0, 9ffffffffffff1f0, 4, 9fffffffffffecb0): Bad address

Thanks,
Mangesh
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