[petsc-dev] Error during KSPDestroy

[Alexander Grayver]

Barry,

Are you able to reproduce the error?

I've updated petsc-dev it is still there unfortunately.

On 06.05.2012 20:00, Barry Smith wrote:
>    Alexander,
>
>     Sorry, never mind. I found the code in the earlier email.,
>
>     barry
>
> On May 6, 2012, at 12:49 PM, Barry Smith wrote:
>
>> Alexander,
>>
>>    No attached test program. (only valgrind log).
>>
>>   Barry
>>
>> On May 6, 2012, at 8:21 AM, Alexander Grayver wrote:
>>
>>> On 06.05.2012 15:07, Matthew Knepley wrote:
>>>>> Hello,
>>>>>
>>>>> I use KSP and random rhs to compute largest singular value:
>>>>>
>>>>> 1) Is this the whole program? If not, this can be caused by memory corruption somewhere else. This is what I suspect.
>>>> Matt,
>>>>
>>>> I can reproduce error using attached test programm and this matrix (7 mb):
>>>> http://dl.dropbox.com/u/60982984/A.dat
>>>>
>>>> I run it fine with the latest petsc-dev:
>>>>
>>>>   1.405802e+00
>>>>
>>>> Can you valgrind it on your machine?
>>>>
>>> I did:
>>> valgrind --tool=memcheck -q --num-callers=20 --log-file=valgrind.log.%p /solveTest -ksp_monitor_true_residual -log_summary -mat_type aij -ksp_rtol 1.0e-10 -malloc off
>>>
>>> The error is better constrained:
>>>
>>> ==20287== Invalid read of size 8
>>> ==20287==    at 0x7874B4C: opal_os_path (in /opt/mpi/intel/openmpi-1.4.2/lib/libopen-pal.so.0.0.0)
>>> ==20287==    by 0x75F2E27: orte_session_dir_finalize (in /opt/mpi/intel/openmpi-1.4.2/lib/libopen-rte.so.0.0.0)
>>> ==20287==    by 0x76012E8: orte_errmgr_base_error_abort (in /opt/mpi/intel/openmpi-1.4.2/lib/libopen-rte.so.0.0.0)
>>> ==20287==    by 0x73396E9: ompi_mpi_abort (in /opt/mpi/intel/openmpi-1.4.2/lib/libmpi.so.0.0.2)
>>> ==20287==    by 0x734F36E: PMPI_Abort (in /opt/mpi/intel/openmpi-1.4.2/lib/libmpi.so.0.0.2)
>>> ==20287==    by 0x7499AB: PetscDefaultSignalHandler (signal.c:169)
>>> ==20287==    by 0x749267: PetscSignalHandler_Private (signal.c:53)
>>> ==20287==    by 0x924B9DF: ??? (in /lib64/libc-2.11.1.so)
>>> ==20287==    by 0x535D9E: VecDestroyVecs (vector.c:653)
>>> ==20287==    by 0x68B61D: KSPReset_GMRES (gmres.c:258)
>>> ==20287==    by 0x6A9D39: KSPReset (itfunc.c:733)
>>> ==20287==    by 0x6AA839: KSPDestroy (itfunc.c:780)
>>> ==20287==    by 0x4509F8: main (solveTest.c:66)
>>> ==20287==  Address 0xbde4860 is 0 bytes inside a block of size 2 alloc'd
>>> ==20287==    at 0x4C26B9B: malloc (vg_replace_malloc.c:263)
>>> ==20287==    by 0x92876DF: vasprintf (in /lib64/libc-2.11.1.so)
>>> ==20287==    by 0x9266C67: asprintf (in /lib64/libc-2.11.1.so)
>>> ==20287==    by 0x75F1701: orte_util_convert_vpid_to_string (in /opt/mpi/intel/openmpi-1.4.2/lib/libopen-rte.so.0.0.0)
>>> ==20287==    by 0x75F2D4A: orte_session_dir_finalize (in /opt/mpi/intel/openmpi-1.4.2/lib/libopen-rte.so.0.0.0)
>>> ==20287==    by 0x76012E8: orte_errmgr_base_error_abort (in /opt/mpi/intel/openmpi-1.4.2/lib/libopen-rte.so.0.0.0)
>>> ==20287==    by 0x73396E9: ompi_mpi_abort (in /opt/mpi/intel/openmpi-1.4.2/lib/libmpi.so.0.0.2)
>>> ==20287==    by 0x734F36E: PMPI_Abort (in /opt/mpi/intel/openmpi-1.4.2/lib/libmpi.so.0.0.2)
>>> ==20287==    by 0x7499AB: PetscDefaultSignalHandler (signal.c:169)
>>> ==20287==    by 0x749267: PetscSignalHandler_Private (signal.c:53)
>>> ==20287==    by 0x924B9DF: ??? (in /lib64/libc-2.11.1.so)
>>> ==20287==    by 0x535D9E: VecDestroyVecs (vector.c:653)
>>> ==20287==    by 0x68B61D: KSPReset_GMRES (gmres.c:258)
>>> ==20287==    by 0x6A9D39: KSPReset (itfunc.c:733)
>>> ==20287==    by 0x6AA839: KSPDestroy (itfunc.c:780)
>>> ==20287==    by 0x4509F8: main (solveTest.c:66)
>>>
>>> Full log is attached.
>>>
>>> Important.
>>> If I comment this line:
>>> KSPComputeExtremeSingularValues(ksp,&maxx,&minx);
>>>
>>> It works.
>>>
>>> -- 
>>> Regards,
>>> Alexander
>>>
>>> <valgrind.zip>


-- 
Regards,
Alexander