Re: [Gluster-devel] Regression failure: glusterd segfault in rcu_read_unlock_bp

2015-04-16 Thread Kaushal M
Hey Kotresh, This is a known issue. We are evaluating some possible solutions. The failure is because of changes introduced by https://review.gluster.org/10147 . The GlusterD rpcsvc uses the synctask framework to provide multi threading. GlusterD uses synclock_t provided by the synctask framework

Re: [Gluster-devel] Regression failure: glusterd segfault in rcu_read_unlock_bp

2015-04-16 Thread Anand Nekkunti
Hi Kotresh This is related urcu bug in glusterd , we are working on this bug . problem :we are using sync task frame work for locking and unloking in glusterd, it will swap the threads if there is no worker poll threads not available , due this rcu lock done in one thread and rcu unlock is

Re: [Gluster-devel] Regression failure: glusterd segfault in rcu_read_unlock_bp

2015-04-16 Thread Krishnan Parthasarathi
Kaushal is looking into this issue. - Original Message - > Hi All, > > I see glusterd SEGFAULT for my patch with the following stack trace. I see > that is not related to my patch. > Could someone look into this? I will retrigger regression for my patch. > > #0 0x7f86f0968d16 in rcu

[Gluster-devel] Regression failure: glusterd segfault in rcu_read_unlock_bp

2015-04-16 Thread Kotresh Hiremath Ravishankar
Hi All, I see glusterd SEGFAULT for my patch with the following stack trace. I see that is not related to my patch. Could someone look into this? I will retrigger regression for my patch. #0 0x7f86f0968d16 in rcu_read_unlock_bp () from /home/kotresh/Downloads/regression/usr/lib64/liburcu-b