Very sorry for the late response, On Fri, 25 Sep 2009 07:17:31 -0700 (PDT) Martin Montreuil <martin.montreuil@xxxxxxxxxx> wrote: > Under V0.9.7 received: > Sep 24 05:12:57 storageserver kernel: tgtd[31665]: segfault at 0000555e4ee57d90 rip 0000003dc14715a8 rsp 00007fff7f899ce0 error 4 > > Upgraded to V0.9.8 and: > Sep 25 01:37:02 storageserver kernel: tgtd[31609]: segfault at fffffffffffffff0 rip 0000000000405ae4 rsp 00007fffc7fe3940 error 4 > > Not repeatable but happens generally within 24 hours. There are 143 disks being served in this configuration and multipathd is in use. This is a new installation. > > targets.conf looks like: > <target iqn.2009-06.crrel:storageserver.disks> > backing-store /dev/mapper/mpath1 > backing-store /dev/mapper/mpath2 > ... > backing-store /dev/mapper/mpath143 > allow-in-use yes > </target> > > Under V0.9.8 we are also seeing something new - BUG: soft lockup's (below) just prior to the segfault. > > Any suggestions? Firstly, can you try the latest git tree? You hit a kernel bug (soft lockup) so I guess that an initiator drops a connection then tgtd crashes. Seems that there might be a bug about cleaning up unfinished tasks. I'll dig into the code later. I have several things to do before the kernel summit so it might take some time. Sorry about that. -- To unsubscribe from this list: send the line "unsubscribe stgt" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html