----- Original Message ----- > From: "GuangYang" <yguang11@xxxxxxxxxxx> > To: "Yehuda Sadeh-Weinraub" <yehuda@xxxxxxxxxx> > Cc: ceph-devel@xxxxxxxxxxxxxxx, ceph-users@xxxxxxxxxxxxxx > Sent: Wednesday, June 24, 2015 1:53:20 PM > Subject: RE: radosgw crash within libfcgi > > Thanks Yehuda for the response. > > We already patched libfcgi to use poll instead of select to overcome the > limitation. > > Thanks, > Guang > > > ---------------------------------------- > > Date: Wed, 24 Jun 2015 14:40:25 -0400 > > From: yehuda@xxxxxxxxxx > > To: yguang11@xxxxxxxxxxx > > CC: ceph-devel@xxxxxxxxxxxxxxx; ceph-users@xxxxxxxxxxxxxx > > Subject: Re: radosgw crash within libfcgi > > > > > > > > ----- Original Message ----- > >> From: "GuangYang" <yguang11@xxxxxxxxxxx> > >> To: ceph-devel@xxxxxxxxxxxxxxx, ceph-users@xxxxxxxxxxxxxx, > >> yehuda@xxxxxxxxxx > >> Sent: Wednesday, June 24, 2015 10:09:58 AM > >> Subject: radosgw crash within libfcgi > >> > >> Hello Cephers, > >> Recently we have several radosgw daemon crashes with the same following > >> kernel log: > >> > >> Jun 23 14:17:38 xxx kernel: radosgw[68180]: segfault at f0 ip > >> 00007ffa069996f2 sp 00007ff55c432710 error 6 in error 6 is sigabrt, right? With invalid pointer I'd expect to get segfault. Is the pointer actually invalid? Yehuda > >> libfcgi.so.0.0.0[7ffa06995000+a000] in libfcgi.so.0.0.0[7ffa06995000+a000] > >> > >> Looking at the assembly, it seems crashing at this point - > >> http://github.com/sknown/fcgi/blob/master/libfcgi/fcgiapp.c#L2035, which > >> confused me. I tried to see if there is any other reference holding the > >> FCGX_Request which release the handle without any luck. > >> > >> There are also other observations: > >> 1> Several radosgw daemon across different hosts crashed around the same > >> time. > >> 2> Apache's error log has some fcgi error complaining ##idle timeout## > >> during the time. > >> > >> Does anyone experience similar issue? > >> > > > > In the past we've had issues with libfcgi that were related to the number > > of open fds on the process (> 1024). The issue was a buggy libfcgi that > > was using select() instead of poll(), so this might be the issue you're > > noticing. > > > > Yehuda > > -- > > To unsubscribe from this list: send the line "unsubscribe ceph-devel" in > > the body of a message to majordomo@xxxxxxxxxxxxxxx > > More majordomo info at http://vger.kernel.org/majordomo-info.html > N嫥叉靣笡y氊b瞂千v豝�藓{.n�壏渮榏z鳐妠ay�蕠跈�jf＂穐殝鄗�畐ア�⒎:+v墾妛鑚豰稛�珣赙zZ+凒殠娸"濟!秈 -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
