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11-10-2011 12:44 AM
11-10-2011 12:44 AM
limitation on core file size
Hi ,
One one of the system running v3 , ulimit for a user is as follows :
time(seconds) unlimited
file(blocks) unlimited
data(kbytes) 3145728
stack(kbytes) 131072
memory(kbytes) unlimited
coredump(blocks) 4194303
nofiles(descriptors) 8192
Now , then a process of this user gives a coredump , every time the core file is not grater than 666 Mb.
when we do a gbd on these core it says "core is truncated.The common reason for truncation include system limit on core size
and lack of disk space". Now the latter , ie lack of disk space is not the issue the FS is having enough space.
1) Whad could have been rescriting the core generation to 666 mb only .
2) the core generated by this user process can be upoto 2Gb , correct ?
Regards,
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11-10-2011 12:56 AM
11-10-2011 12:56 AM
Re: limitation on core file size
>every time the core file is not greater than 666 Mb.
Is this PA or Integrity? Is this 32 or 64 bit application?
>when we do a gdb on these core it says "core is truncated. ..."
If you have an ELF core file, you should get the structure with:
elfdump -S -o core
>1) What could have been restricting the core generation to 666 Mb only .
>2) the core generated by this user process can be upto 2 Gb, correct?
Yes, it should allow you 4,194,303 * 512 bytes.
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11-10-2011 01:22 AM
11-10-2011 01:22 AM
Re: limitation on core file size
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11-10-2011 01:36 AM
11-10-2011 01:36 AM
Re: limitation on core file size
>The application is 64 bit: ELF-32 executable object file - IA64.
No, the application is 32 bit (ELF-32).
>This is what I get if I do a elfdump: elfdump: Bad type: 1831
It looks like it was corrupted because of the truncation.
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11-10-2011 03:06 AM
11-10-2011 03:06 AM
Re: limitation on core file size
Hi Dennis ,
Any OS parameter that could have restricted the size of core generation to a limited size only.
Regards,
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11-10-2011 06:07 PM
11-10-2011 06:07 PM
Re: limitation on core file size
>Any OS parameter that could have restricted the size of core generation to a limited size only.
That should show up on "ulimit -c". Why not change it to "unlimited" and try again?