Hi Josef,
somehow I still get the kernel Bug messages, I used your patch from the
16th against rc7.
-martin
Am 16.05.2012 21:20, schrieb Josef Bacik:
Hrm ok so I finally got some time to try and debug it and let the test run a
good long while (5 hours almost) and I couldn't hit either the original bug or
the one you guys were hitting. So either my extra little bit of locking did the
trick or I get to keep my "Worst reproducer ever" award. Can you guys give this
one a whirl and if it panics send the entire dmesg since it should spit out a
WARN_ON() to let me know what I thought was the problem was it. Thanks,
[ 2868.813236] ------------[ cut here ]------------
[ 2868.813297] kernel BUG at fs/btrfs/inode.c:2220!
[ 2868.813355] invalid opcode: 0000 [#2] SMP
[ 2868.813479] CPU 2
[ 2868.813516] Modules linked in: btrfs zlib_deflate libcrc32c ext2
bonding coretemp ghash_clmulni_intel aesni_intel cryptd aes_x86_64
microcode psmouse serio_raw sb_edac edac_core joydev mei(C) ses ioatdma
enclosure mac_hid lp parport isci libsas scsi_transport_sas usbhid hid
ixgbe igb megaraid_sas dca mdio
[ 2868.814871]
[ 2868.814925] Pid: 5325, comm: ceph-osd Tainted: G D C
3.4.0-rc7+ #10 Supermicro X9SRi/X9SRi
[ 2868.815108] RIP: 0010:[<ffffffffa02212f2>] [<ffffffffa02212f2>]
btrfs_orphan_del+0xe2/0xf0 [btrfs]
[ 2868.815236] RSP: 0018:ffff880296e89d18 EFLAGS: 00010282
[ 2868.815294] RAX: 00000000fffffffe RBX: ffff88101ef3c390 RCX:
0000000000562497
[ 2868.815355] RDX: 0000000000562496 RSI: ffff88101ef10000 RDI:
ffffea00407bc400
[ 2868.815416] RBP: ffff880296e89d58 R08: 000060ef80000fd0 R09:
ffffffffa01f8c6a
[ 2868.815476] R10: 0000000000000000 R11: 000000000000011d R12:
ffff880fdf602790
[ 2868.815537] R13: ffff880fdf602400 R14: 0000000000000001 R15:
0000000000000001
[ 2868.815598] FS: 00007f07d5512700(0000) GS:ffff88107fc40000(0000)
knlGS:0000000000000000
[ 2868.815675] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2868.815734] CR2: 000000000ab16000 CR3: 000000082a6b2000 CR4:
00000000000407e0
[ 2868.815796] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[ 2868.815858] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
0000000000000400
[ 2868.815920] Process ceph-osd (pid: 5325, threadinfo ffff880296e88000,
task ffff8810170616e0)
[ 2868.815997] Stack:
[ 2868.816049] 0c00000000000007 ffff88101ef12960 ffff880296e89d38
ffff88101ef12960
[ 2868.816262] 0000000000000000 ffff880fdf602400 ffff88101ef3c390
ffff880b4ce2f260
[ 2868.816485] ffff880296e89e08 ffffffffa0225628 ffff88101ef3c390
0000000000000000
[ 2868.816694] Call Trace:
[ 2868.816755] [<ffffffffa0225628>] btrfs_truncate+0x4d8/0x650 [btrfs]
[ 2868.816817] [<ffffffff81188afd>] ? path_lookupat+0x6d/0x750
[ 2868.816880] [<ffffffffa0227021>] btrfs_setattr+0xc1/0x1b0 [btrfs]
[ 2868.816940] [<ffffffff811955c3>] notify_change+0x183/0x320
[ 2868.816998] [<ffffffff8117889e>] do_truncate+0x5e/0xa0
[ 2868.817056] [<ffffffff81178a24>] sys_truncate+0x144/0x1b0
[ 2868.817115] [<ffffffff8165fd29>] system_call_fastpath+0x16/0x1b
[ 2868.817173] Code: e8 4c 8b 75 f0 4c 8b 7d f8 c9 c3 66 0f 1f 44 00 00
80 bb 60 fe ff ff 84 75 b4 eb ae 0f 1f 44 00 00 48 89 df e8 50 73 fe ff
eb b8 <0f> 0b 66 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 48 83 ec
[ 2868.819501] RIP [<ffffffffa02212f2>] btrfs_orphan_del+0xe2/0xf0 [btrfs]
[ 2868.819602] RSP <ffff880296e89d18>
[ 2868.819703] ---[ end trace 94d17b770b376c84 ]---
[ 3249.857453] ------------[ cut here ]------------
[ 3249.857481] kernel BUG at fs/btrfs/inode.c:2220!
[ 3249.857506] invalid opcode: 0000 [#3] SMP
[ 3249.857534] CPU 0
[ 3249.857538] Modules linked in: btrfs zlib_deflate libcrc32c ext2
bonding coretemp ghash_clmulni_intel aesni_intel cryptd aes_x86_64
microcode psmouse serio_raw sb_edac edac_core joydev mei(C) ses ioatdma
enclosure mac_hid lp parport isci libsas scsi_transport_sas usbhid hid
ixgbe igb megaraid_sas dca mdio
[ 3249.857721]
[ 3249.857740] Pid: 5384, comm: ceph-osd Tainted: G D C
3.4.0-rc7+ #10 Supermicro X9SRi/X9SRi
[ 3249.857791] RIP: 0010:[<ffffffffa02212f2>] [<ffffffffa02212f2>]
btrfs_orphan_del+0xe2/0xf0 [btrfs]
[ 3249.857847] RSP: 0018:ffff880abe8b5d18 EFLAGS: 00010282
[ 3249.857873] RAX: 00000000fffffffe RBX: ffff8807eb8b6670 RCX:
000000000077a084
[ 3249.857902] RDX: 000000000077a083 RSI: ffff88101ee497e0 RDI:
ffffea00407b9240
[ 3249.857931] RBP: ffff880abe8b5d58 R08: 000060ef80000fd0 R09:
ffffffffa01f8c6a
[ 3249.857959] R10: 0000000000000000 R11: 0000000000000153 R12:
ffff880d56825390
[ 3249.857988] R13: ffff880d56825000 R14: 0000000000000001 R15:
0000000000000001
[ 3249.858017] FS: 00007f06bd13b700(0000) GS:ffff88107fc00000(0000)
knlGS:0000000000000000
[ 3249.858062] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3249.858088] CR2: 00000000043d2000 CR3: 0000000e7ebe5000 CR4:
00000000000407f0
[ 3249.858117] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[ 3249.858146] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
0000000000000400
[ 3249.858175] Process ceph-osd (pid: 5384, threadinfo ffff880abe8b4000,
task ffff880eb7a596e0)
[ 3249.858219] Stack:
[ 3249.858239] 0c00000000000002 ffff88101ede4d70 ffff880abe8b5d38
ffff88101ede4d70
[ 3249.858288] 0000000000000000 ffff880d56825000 ffff8807eb8b6670
ffff880546925e00
[ 3249.858338] ffff880abe8b5e08 ffffffffa0225628 ffff8807eb8b6670
0000000000000000
[ 3249.858387] Call Trace:
[ 3249.858415] [<ffffffffa0225628>] btrfs_truncate+0x4d8/0x650 [btrfs]
[ 3249.858445] [<ffffffff81188afd>] ? path_lookupat+0x6d/0x750
[ 3249.858477] [<ffffffffa0227021>] btrfs_setattr+0xc1/0x1b0 [btrfs]
[ 3249.858505] [<ffffffff811955c3>] notify_change+0x183/0x320
[ 3249.858533] [<ffffffff8117889e>] do_truncate+0x5e/0xa0
[ 3249.858559] [<ffffffff81178a24>] sys_truncate+0x144/0x1b0
[ 3249.858587] [<ffffffff8165fd29>] system_call_fastpath+0x16/0x1b
[ 3249.858614] Code: e8 4c 8b 75 f0 4c 8b 7d f8 c9 c3 66 0f 1f 44 00 00
80 bb 60 fe ff ff 84 75 b4 eb ae 0f 1f 44 00 00 48 89 df e8 50 73 fe ff
eb b8 <0f> 0b 66 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 48 83 ec
[ 3249.858813] RIP [<ffffffffa02212f2>] btrfs_orphan_del+0xe2/0xf0 [btrfs]
[ 3249.858852] RSP <ffff880abe8b5d18>
[ 3249.859140] ---[ end trace 94d17b770b376c85 ]---
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