Comment 34 for bug 1007082

Justin Dossey (jbd) wrote :

Got a crash today (from the non-VM debug kernel), but the crashdump was not written to /var/crash. Next time, I will look harder before resetting the system via IPMI.

This time, I do see in the kern.log as the last message written before the crash:

Nov 28 12:47:44 pproxy-04 kernel: [769422.996028] kernel BUG at /build/buildd/linux-3.2.0/fs/buffer.c:3085!
Nov 28 12:47:44 pproxy-04 kernel: [769422.996028] invalid opcode: 0000 [#6] SMP
Nov 28 12:47:44 pproxy-04 kernel: [769422.996028] CPU 0
Nov 28 12:47:44 pproxy-04 kernel: [769422.996028] Modules linked in: ipt_REJECT xt_tcpudp xt_multiport iptable_filter ip_tables x_tables cachefiles nfsd nfs lockd fscache auth_rpcgss nfs_acl sunrpc ext2 vesafb i5100_edac psmouse edac_core ioatdma dca serio_raw joydev mac_hid lp parport e1000e usbhid pata_it8213 hid floppy 3w_9xxx
Nov 28 12:47:44 pproxy-04 kernel: [769423.019363]
Nov 28 12:47:44 pproxy-04 kernel: [769423.019363] Pid: 26574, comm: kworker/u:7 Tainted: G B D 3.2.0-33-generic #52-Ubuntu Supermicro X7DCL/X7DCL
Nov 28 12:47:44 pproxy-04 kernel: [769423.019363] RIP: 0010:[<ffffffff811a84bb>] [<ffffffff811a84bb>] drop_buffers+0xab/0xb0
Nov 28 12:47:44 pproxy-04 kernel: [769423.019363] RSP: 0018:ffff88000875f630 EFLAGS: 00010246
Nov 28 12:47:44 pproxy-04 kernel: [769423.019363] RAX: 0200000002001009 RBX: ffffea0004863e40 RCX: 0000000000000024