On Wed, Mar 14, 2012 at 01:24:08PM -0400, Kent Overstreet wrote: [..] > > Can you post the full log? There was a bug where if it encountered an > error during registration, it wouldn't wait for a uuid read or write > before tearing everything down - that's what your backtrace looks like > to me. > > You could try the bcache-3.2-dev branch, too. I have a newer branch > with a ton of bugfixes but I'm waiting until it's seen more testing > before I post it. Faced the same issue on bcache-3.2-dev branch too. login: [ 167.532932] bio: create slab <bio-1> at 1 [ 167.539071] bcache: invalidating existing data [ 167.547604] general protection fault: 0000 [#1] SMP DEBUG_PAGEALLOC [ 167.548573] CPU 2 [ 167.548573] Modules linked in: floppy [last unloaded: scsi_wait_scan] [ 167.548573] [ 167.548573] Pid: 0, comm: swapper/2 Not tainted 3.2.0-bcache+ #4 Hewlett-Packard HP xw6600 Workstation/0A9Ch [ 167.548573] RIP: 0010:[<ffffffff8144d6fe>] [<ffffffff8144d6fe>] closure_put+0xe/0x20 [ 167.548573] RSP: 0018:ffff88013fc83c60 EFLAGS: 00010246 [ 167.548573] RAX: 0000000000000000 RBX: ffff8801385b04a0 RCX: 0000000000000000 [ 167.548573] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 6b6b6b6b6b6b6b6b [ 167.548573] RBP: ffff88013fc83c60 R08: 0000000000000000 R09: 0000000000000001 [ 167.548573] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 167.548573] R13: ffff880137719580 R14: 0000000000080000 R15: 0000000000000000 [ 167.548573] FS: 0000000000000000(0000) GS:ffff88013fc80000(0000) knlGS:0000000000000000 [ 167.548573] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 167.548573] CR2: 00007f6e84f70240 CR3: 000000013707d000 CR4: 00000000000006e0 [ 167.548573] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 167.548573] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 167.548573] Process swapper/2 (pid: 0, threadinfo ffff88013a454000, task ffff88013a458000) [ 167.548573] Stack: [ 167.548573] ffff88013fc83c80 ffffffff814448c6 ffffffff00000000 ffff8801385b04a0 [ 167.548573] ffff88013fc83c90 ffffffff8117ae8d ffff88013fc83cc0 ffffffff812e2273 [ 167.548573] ffff88013a454000 0000000000000000 ffff8801385b04a0 0000000000080000 [ 167.548573] Call Trace: [ 167.548573] <IRQ> [ 167.548573] [<ffffffff814448c6>] uuid_endio+0x36/0x40 [ 167.548573] [<ffffffff8117ae8d>] bio_endio+0x1d/0x40 [ 167.548573] [<ffffffff812e2273>] req_bio_endio+0x83/0xc0 [ 167.548573] [<ffffffff812e53e1>] blk_update_request+0x101/0x5c0 [ 167.548573] [<ffffffff812e5612>] ? blk_update_request+0x332/0x5c0 [ 167.548573] [<ffffffff812e58d1>] blk_update_bidi_request+0x31/0x90 [ 167.548573] [<ffffffff812e595c>] blk_end_bidi_request+0x2c/0x80 [ 167.548573] [<ffffffff812e59f0>] blk_end_request+0x10/0x20 [ 167.548573] [<ffffffff81458fdc>] scsi_io_completion+0x9c/0x5f0 [ 167.548573] [<ffffffff8144fcd0>] scsi_finish_command+0xb0/0xe0 [ 167.548573] [<ffffffff81458dc5>] scsi_softirq_done+0xa5/0x140 [ 167.548573] [<ffffffff812ec55b>] blk_done_softirq+0x7b/0x90 [ 167.548573] [<ffffffff810512ae>] __do_softirq+0xce/0x3c0 [ 167.548573] [<ffffffff817e84ac>] call_softirq+0x1c/0x30 [ 167.548573] [<ffffffff8100417d>] do_softirq+0x8d/0xc0 [ 167.548573] [<ffffffff810518de>] irq_exit+0xae/0xe0 [ 167.548573] [<ffffffff817e8bb3>] do_IRQ+0x63/0xe0 [ 167.548573] [<ffffffff817de1f0>] common_interrupt+0x70/0x70 [ 167.548573] <EOI> [ 167.548573] [<ffffffff8100a5f6>] ? mwait_idle+0xb6/0x490 [ 167.548573] [<ffffffff8100a5ed>] ? mwait_idle+0xad/0x490 [ 167.548573] [<ffffffff810011e6>] cpu_idle+0x96/0xe0 [ 167.548573] [<ffffffff817cb475>] start_secondary+0x1be/0x1c2 [ 167.548573] Code: ee 01 00 00 10 e8 03 ff ff ff 48 85 db 75 de 5b 41 5c 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 66 66 66 66 90 be ff ff ff ff <f0> 0f c1 77 48 83 ee 01 e8 d5 fe ff ff 5d c3 0f 1f 00 55 48 89 [ 167.548573] RIP [<ffffffff8144d6fe>] closure_put+0xe/0x20 [ 167.548573] RSP <ffff88013fc83c60> Thanks Vivek -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
