On Fri, Dec 09, 2011 at 12:39:48PM -0800, Simon Kirby wrote: > Hello! > > We recently upgraded our backup server kernel (rsync with snapshots and > compression) to Linus git master from yesterday (3.2-rc4+ 09d9673d53005) > that contains the btrfs for-linus as of yesterday. We've been seeing a > few warnings and bugs: Then it kept pinging but didn't accept SSH anymore, with this captured via serial console: [79214.481458] ------------[ cut here ]------------ [79214.485335] kernel BUG at fs/btrfs/inode.c:2893! [79214.485335] invalid opcode: 0000 [#2] SMP [79214.485335] CPU 0 [79214.485335] Modules linked in: ipmi_devintf ipmi_si ipmi_msghandler aoe bnx2 [79214.485335] [79214.485335] Pid: 24202, comm: btrfsctl Tainted: G D W 3.2.0-rc4-hw+ #71 Dell Inc. PowerEdge 1950/0NK937 [79214.485335] RIP: 0010:[<ffffffff81304d88>] [<ffffffff81304d88>] btrfs_unlink_subvol+0x268/0x270 [79214.485335] RSP: 0018:ffff880344babd28 EFLAGS: 00010286 [79214.485335] RAX: 00000000ffffffe4 RBX: 0000000000000c46 RCX: ffff880336fd1588 [79214.485335] RDX: 00000000ffffffe4 RSI: 0000000000000000 RDI: ffff880336fd15a8 [79214.485335] RBP: ffff880344babda8 R08: 0000000000000000 R09: 0000000000000000 [79214.485335] R10: 0000000000000000 R11: 9000000000000001 R12: ffff880405cf5e88 [79214.485335] R13: ffff880428a9ba20 R14: ffff880405158c00 R15: 0000000000000100 [79214.485335] FS: 00007f27ff13d740(0000) GS:ffff88043fc00000(0000) knlGS:0000000000000000 [79214.485335] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [79214.485335] CR2: 00007fffdf79f950 CR3: 00000003f79fe000 CR4: 00000000000006f0 [79214.485335] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [79214.485335] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [79214.485335] Process btrfsctl (pid: 24202, threadinfo ffff880344baa000, task ffff8803dcec0000) [79214.485335] Stack: [79214.485335] ffff8804037d53f8 ffff880300000010 0000001044babd58 ffff8804037d53f8 [79214.485335] 00000000000008a0 ffff8803fd8b43f0 00000000000008a0 ffffffffffffff84 [79214.485335] 00000000000000ff 0000000000000268 ffff880037e73008 0000000000000000 [79214.485335] Call Trace: [79214.485335] [<ffffffff81323975>] btrfs_ioctl_snap_destroy+0x3b5/0x480 [79214.485335] [<ffffffff81326ef2>] btrfs_ioctl+0x3a2/0x10d0 [79214.485335] [<ffffffff816da594>] ? do_page_fault+0x254/0x4b0 [79214.485335] [<ffffffff8112cdc0>] do_vfs_ioctl+0xa0/0x520 [79214.485335] [<ffffffff8112d28a>] sys_ioctl+0x4a/0x80 [79214.485335] [<ffffffff816de8d2>] system_call_fastpath+0x16/0x1b [79214.485335] Code: 48 8d 54 92 65 e8 89 f2 00 00 48 8b 5d b9 4c 89 ef e8 4d 2c fd ff 48 89 5d c8 e9 ca fe ff ff 0f 0b eb fe 0f 0b eb fe 0f 1f 40 00 <0f> 0b eb fe 0f 0b eb fe 55 48 89 e5 48 83 ec 20 48 89 5d e8 4c [79214.485335] RIP [<ffffffff81304d88>] btrfs_unlink_subvol+0x268/0x270 [79214.485335] RSP <ffff880344babd28> [79214.700401] ---[ end trace 52453f1ad38744ba ]--- Simon- -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
