http://bugzilla.kernel.org/show_bug.cgi?id=4820
Summary: Kernel Crash & system hang if copying of file continues
even no more space left
Kernel Version: 2.6.10
Status: NEW
Severity: normal
Owner: xfs-masters@xxxxxxxxxxx
Submitter: francism501@xxxxxxxxx
Distribution:Fedora 3
Hardware Environment: P4 2.4Ghz, 512MB RAM
Software Environment: LVM,SAMBA
Problem Description:
Kernel Crash & system hang if copying of file continues
even no more space left.
Steps to reproduce:
1)Create share with LVM using XFS
2)Mount shares on windows
3)run scripts on windows that will copy file
to used the entire space in a share.(if you
want the script that i used, i can send it to
you)
Run the script until space is 100% full and the
kelnel will crash,
Please refer to the kernel ring buffer messsage below.
XFS mounting filesystem dm-0
Ending clean XFS mount for filesystem: dm-0
NET: Registered protocol family 5
Unable to handle kernel NULL pointer dereference at virtual address 00000004
printing eip:
c0289b74
*pde = 00000000
Oops: 0002 [#1]
PREEMPT SMP
Modules linked in: appletalk psnap llc drbd bonding i2c_i801 i2c_dev i2c_core
nls_cp437 aic7xxx e1000 e100 sym53c8xx
CPU: 0
EIP: 0060:[<c0289b74>] Not tainted VLI
EFLAGS: 00010286 (2.6.10)
EIP is at xfs_ail_insert+0x84/0xd0
eax: 00000000 ebx: ffffffff ecx: fffffc19 edx: ffffffff
esi: c9d9bdfc edi: d3164818 ebp: cd0631f4 esp: df653e00
ds: 007b es: 007b ss: 0068
Process xfslogd/0 (pid: 178, threadinfo=df652000 task=deef3520)
Stack: 00001d3c 00000002 00000000 00000000 cd0631f4 d3164818 d3164800 c7f5cdfc
c0289924 d3164818 cd0631f4 00000000 00001d3c 00000002 00000000 cd0631f4
00001d3c 00000002 c02894e8 d3164800 cd0631f4 00001d3c 00000002 00000000
Call Trace:
[<c0289924>] xfs_trans_update_ail+0x54/0xb0
[<c02894e8>] xfs_trans_chunk_committed+0x158/0x1f0
[<c02892cc>] xfs_trans_committed+0x3c/0x100
[<c027cebe>] xlog_state_do_callback+0x20e/0x2c0
[<c027cfc3>] xlog_state_done_syncing+0x53/0x70
[<c027b967>] xlog_iodone+0x47/0xb0
[<c0296c67>] pagebuf_iodone_work+0x37/0x40
[<c0127f37>] worker_thread+0x197/0x230
[<c0296c30>] pagebuf_iodone_work+0x0/0x40
[<c0115930>] default_wake_function+0x0/0x20
[<c0115930>] default_wake_function+0x0/0x20
[<c0127da0>] worker_thread+0x0/0x230
[<c012bc47>] kthread+0xa7/0xb0
[<c012bba0>] kthread+0x0/0xb0
[<c01008dd>] kernel_thread_helper+0x5/0x18
Code: 03 00 00 31 db 89 c8 89 da 85 d2 7e 0a 8b 76 04 eb b5 90 8d 74 26 00 7c
05 83 f8 00 77 ef 8b 06 89 75 04 89 45 00 89 2e 8b 45 00 <89> 68 04 83 c4 10 5b
5e 5f 5d c3 90 8b 5c 24 08 8b 0c 24 31 c0
<6>note: xfslogd/0[178] exited with preempt_count 1
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