----- Original Message ----- > From: "Jeff Darcy" <jdarcy@xxxxxxxxxx> > To: "Poornima Gurusiddaiah" <pgurusid@xxxxxxxxxx> > Cc: "Gluster Devel" <gluster-devel@xxxxxxxxxxx>, "Avra Sengupta" <asengupt@xxxxxxxxxx> > Sent: Thursday, March 10, 2016 7:11:00 PM > Subject: Re: Regression: Core generated by fdl-overflow.t > > > In few of the regression runs, found that ./tests/features/fdl-overflow.t > > is > > causing a core dump. > > > > Here is the bt: > > /build/install/lib/libglusterfs.so.0(_gf_msg_backtrace_nomem+0xf2)[0x7f4905e5e3f6] > > /build/install/lib/libglusterfs.so.0(gf_print_trace+0x22b)[0x7f4905e64381] > > /build/install/sbin/glusterfsd(glusterfsd_print_trace+0x1f)[0x4099f2] > > /lib64/libc.so.6(+0x326a0)[0x7f49049f06a0] > > /build/install/lib/glusterfs/3.8dev/xlator/experimental/fdl.so(fdl_worker+0x69)[0x7f48f3395529] > > /lib64/libpthread.so.0(+0x7aa1)[0x7f490513daa1] > > /lib64/libc.so.6(clone+0x6d)[0x7f4904aa693d] > > > > Regression link: > > https://build.gluster.org/job/rackspace-regression-2GB-triggered/18986/consoleFull > > > > Can you please take a look into it? > > Looks pretty straightforward. The worker thread is actually starting to > run in the very small window between calling pthread_create and setting > this->private in fdl_init. This is a pretty rare case (in fact I don't > think it should *ever* happen when multiple cores are present) but it's > a race nonetheless. I'll send a patch very soon. Great! Thank you. Regards, Poornima > _______________________________________________ Gluster-devel mailing list Gluster-devel@xxxxxxxxxxx http://www.gluster.org/mailman/listinfo/gluster-devel
