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Re: [libvirt] conftest segfault



On 03/15/2013 10:17 AM, Michal Privoznik wrote:
On 15.03.2013 14:56, Gene Czarcinski wrote:
On 03/15/2013 09:48 AM, Gene Czarcinski wrote:
One of the libvirt tests (conftest) has been segfaulting for some time
with no indication of a test failure other than a message in syslog.
I verified this by building libvirt-1.0.3-1 with mock.

I went back and looked at my logs more closely.  This started with
libvirt-1.0.3-1.

Gene

Do you have a coredump? What does it say?

In a word: no.  See the attached excerpt from syslog which may explain why.

I have explored a bit into the problem.

1. It occurs when ./autogen is run an will likely also occur when ./configure is run ... this is something internal to autogen.

To eliminate the rpmbuild, I ran things from a git repository.

2.  git checkout v1.0.2-maint does *not* have the problem.

3.  git checkout v1.0.3-maint does have the problem

4.  So does git checkout v1.0.3-rc1

One approach to identify this may be to do a binary search through the commits.

Gene
Mar 15 11:34:48 falcon kernel: [ 5503.372355] conftest[13761]: segfault at 18 ip 0000003f19e7be5b sp 00007fffac7bdc80 error 4 in libc-2.16.so[3f19e00000+1ad000]
Mar 15 11:34:48 falcon abrtd: Directory 'ccpp-2013-03-15-11:34:48-13761' creation detected
Mar 15 11:34:48 falcon abrt[13762]: Saved core dump of pid 13761 (/home/gc/devel/git-dev/libvirt/conftest) to /var/spool/abrt/ccpp-2013-03-15-11:34:48-13761 (393216 bytes)
Mar 15 11:34:48 falcon abrtd: Executable '/home/gc/devel/git-dev/libvirt/conftest' doesn't belong to any package
Mar 15 11:34:48 falcon abrtd: 'post-create' on '/var/spool/abrt/ccpp-2013-03-15-11:34:48-13761' exited with 1
Mar 15 11:34:48 falcon abrtd: Corrupted or bad directory '/var/spool/abrt/ccpp-2013-03-15-11:34:48-13761', deleting

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