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тАО05-02-2003 02:50 AM
тАО05-02-2003 02:50 AM
When I was running a program, suddenly this error came and I got a core dump for Bus error.
Pid 5841 killed due to text modification or pageI/O error
Its a hpux 10.2 machine. Can I know what this error means and how it could have happened.
TIA
Umapathy
Solved! Go to Solution.
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тАО05-02-2003 03:04 AM
тАО05-02-2003 03:04 AM
Re: what this error means
I'd suggest latest libc and NFS related patches
for starters ..... list mount options if this is an NFS related problem ... otherwise a few more details maybe needed ....
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тАО05-02-2003 03:19 AM
тАО05-02-2003 03:19 AM
Re: what this error means
Thanks for the info. This has occured only once, so I mostly think it is a time out problem. What does 'text modification' internally means. I want to know the details at that level.
Any document pointers will be greatly helpful.
-Umapathy
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тАО05-02-2003 03:31 AM
тАО05-02-2003 03:31 AM
Re: what this error means
check your memory and swap usage.
If they are full try increasing more swap.
make sure you load the appropriate patches.
This is the HPDOC
http://www1.itrc.hp.com/service/cki/docDisplay.do?docLocale=en_US&docId=200000062925494
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тАО05-02-2003 03:42 AM
тАО05-02-2003 03:42 AM
Re: what this error means
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тАО05-02-2003 04:19 AM
тАО05-02-2003 04:19 AM
Re: what this error means
However since you've not mentioned any NFS connections possible reasons are:
* insufficient swap space
* bad maxdsize and/or maxssize
* H/W problem on swap disk
I'd check and increase the kernel parameters:
* maxdsize and maxssize
*check swap space if the problem occurs again using
# swapinfo -t
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тАО05-02-2003 05:19 AM
тАО05-02-2003 05:19 AM
Re: what this error means
cheers
Umapathy
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тАО05-05-2003 01:31 AM
тАО05-05-2003 01:31 AM
SolutionFor the "page I/O error" you should check the swap disk(s), i.e. do a "swapinfo" and look at the "dev" devices. Then do a dd(1) read test on those devices, i.e.
dd if=/dev/vg??/rvol? of=/dev/null bs=1024k
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тАО11-03-2003 03:18 AM
тАО11-03-2003 03:18 AM
Re: what this error means
What if NFS is involved? What do I need to check to see if NFS is the source of the problem?
I have users on one host who get this error, and users on another host where they don't. Both hosts use the same executable on the same NFS mount from a third host.
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тАО11-03-2003 03:32 AM
тАО11-03-2003 03:32 AM
Re: what this error means
Normally the binary is locked whenever the TEXT page is modified. But on NFS it is not so. So monitor those binaries which you are accessing from NFS server whether they are modified. On prooduction systems this might not be the case.
HTH,
Umapathy