[Bug 592589] Re: ext4 kernel bug (2.6.32-22) while writing on USB device

[Tobias Müller]

Same problem here. Please provide an updated kernel package as is occurs
every fews days and is very annoying.

[355817.824490] ------------[ cut here ]------------
[355817.824500] kernel BUG at /build/buildd/linux-2.6.32/fs/ext4/inode.c:1852!
[355817.824503] invalid opcode: 0000 [#1] SMP 
[355817.824506] last sysfs file: /sys/devices/system/cpu/cpu7/topology/physical_package_id
[355817.824508] CPU 0 
[355817.824510] Modules linked in: autofs4 binfmt_misc ppdev bonding nfsd exportfs nfs lockd nfs_acl auth_rpcgss sunrpc tpm_infineon fbcon tileblit font bitblit softcursor vga16fb i5000_edac vgastate edac_core psmouse i5k_amb lp parport shpchp serio_raw tpm_tis tpm tpm_bios joydev usbhid hid ses enclosure usb_storage aacraid ahci e1000e
[355817.824536] Pid: 30465, comm: fargo Not tainted 2.6.32-23-generic #37-Ubuntu SUN FIRE X4150
[355817.824538] RIP: 0010:[<ffffffff811dda04>]  [<ffffffff811dda04>] T.1109+0x1e4/0x1f0
[355817.824550] RSP: 0000:ffff8801cc149b38  EFLAGS: 00010297
[355817.824552] RAX: 0000000000000005 RBX: ffff8801bc609e70 RCX: 0000000000000154
[355817.824553] RDX: 0000000000000006 RSI: 0000000000000005 RDI: 0000000000000153
[355817.824555] RBP: ffff8801cc149b88 R08: 0000000000000000 R09: 0000000000000000
[355817.824557] R10: 0000000000000000 R11: ffff8801b5a01070 R12: ffff8801bc609dc0
[355817.824558] R13: 0000000000000005 R14: 0000000000000065 R15: ffff8801bc60a140
[355817.824561] FS:  00002b803e1c0780(0000) GS:ffff880028200000(0000) knlGS:0000000000000000
[355817.824562] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[355817.824564] CR2: 00002b803e44c000 CR3: 000000018f923000 CR4: 00000000000006f0
[355817.824566] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[355817.824568] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[355817.824569] Process fargo (pid: 30465, threadinfo ffff8801cc148000, task ffff8801d0d08000)
[355817.824571] Stack:
[355817.824572]  ffff880100000000 ffff8802138dcc00 0000000000000000 0000000000000065
[355817.824575] <0> ffffea000635e5b0 ffff8801b5a01070 ffffffffffff0000 ffff8801bc609e70
[355817.824578] <0> 0000000000000065 0000000000000000 ffff8801cc149bb8 ffffffff811e0030
[355817.824582] Call Trace:
[355817.824586]  [<ffffffff811e0030>] ext4_da_get_block_prep+0xc0/0x100
[355817.824594]  [<ffffffff8116fbc3>] __block_prepare_write+0x1e3/0x570
[355817.824596]  [<ffffffff811dff70>] ? ext4_da_get_block_prep+0x0/0x100
[355817.824601]  [<ffffffff810f478e>] ? find_get_page+0x1e/0xa0
[355817.824603]  [<ffffffff811700f4>] block_write_begin+0x64/0x100
[355817.824606]  [<ffffffff811e281d>] ext4_da_write_begin+0x17d/0x290
[355817.824609]  [<ffffffff811dff70>] ? ext4_da_get_block_prep+0x0/0x100
[355817.824612]  [<ffffffff811db05d>] ext4_page_mkwrite+0x13d/0x1a0
[355817.824616]  [<ffffffff81112b20>] __do_fault+0xd0/0x500
[355817.824619]  [<ffffffff81115fe8>] handle_mm_fault+0x1a8/0x3c0
[355817.824625]  [<ffffffff811455c9>] ? __fput+0x199/0x210
[355817.824629]  [<ffffffff815460ea>] do_page_fault+0x12a/0x3b0
[355817.824636]  [<ffffffff81543a35>] page_fault+0x25/0x30
[355817.824637] Code: 66 90 48 83 c4 28 31 c0 5b 41 5c 41 5d 41 5e 41 5f c9 c3 0f 1f 40 00 48 83 c4 28 b8 e4 ff ff ff 5b 41 5c 41 5d 41 5e 41 5f c9 c3 <0f> 0b eb fe 0f 1f 84 00 00 00 00 00 55 48 89 e5 48 83 ec 40 48 
[355817.824661] RIP  [<ffffffff811dda04>] T.1109+0x1e4/0x1f0
[355817.824663]  RSP <ffff8801cc149b38>
[355817.824666] ---[ end trace be1f5d823a07ef55 ]---

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ext4 kernel bug (2.6.32-22) while writing on USB device
https://bugs.launchpad.net/bugs/592589
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