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Re: [libvirt] libvirt-python: memory leak after GetXMLDesc?



Hi,

the program was running on Fedora 20 (libvirt 1.1.3.5-2.fc20)
and Ubuntu 14.04 (libvirt 1.2.2-0ubunt).
So far the leak was observed only on the latter.

On 09/12/14 16:22, Alex Jia wrote:
> Hi Jun'ichi,
> Which are libvirt version and OS you're using? I also found a leak of XMLDesc() via valgrind,
> I think the generator should fix this, but you may wait for developers reply, thanks for 
> reporting this.
> 
> <valgrind>
> ==14265== 2,407 bytes in 1 blocks are definitely lost in loss record 1,457 of 1,550
> ==14265==    at 0x4C2845D: malloc (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
> ==14265==    by 0x5C46624: xdr_string (in /usr/lib64/libc-2.17.so)
> ==14265==    by 0xCFD9FCD: xdr_remote_nonnull_string (remote_protocol.c:31)
> ==14265==    by 0xCFDC2C8: xdr_remote_domain_get_xml_desc_ret (remote_protocol.c:1617)
> ==14265==    by 0xCFF0811: virNetMessageDecodePayload (virnetmessage.c:407)
> ==14265==    by 0xCFE68FB: virNetClientProgramCall (virnetclientprogram.c:379)
> ==14265==    by 0xCFBE8B1: callFull.isra.2 (remote_driver.c:6578)
> ==14265==    by 0xCFC7F04: remoteDomainGetXMLDesc (remote_driver.c:6600)
> ==14265==    by 0xCF8167C: virDomainGetXMLDesc (libvirt.c:4380)
> ==14265==    by 0xCC2C4DF: libvirt_virDomainGetXMLDesc (libvirt.c:1141)
> ==14265==    by 0x4F12B93: PyEval_EvalFrameEx (in /usr/lib64/libpython2.7.so.1.0)
> ==14265==    by 0x4F141AC: PyEval_EvalCodeEx (in /usr/lib64/libpython2.7.so.1.0)
> </valgrind>

-- 
Jun'ichi Nomura, NEC Corporation


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