http://oss.sgi.com/bugzilla/show_bug.cgi?id=335
Summary: XFS Oops with 2.6.7-rc3
Product: Linux XFS
Version: Current
Platform: All
OS/Version: Linux
Status: NEW
Severity: normal
Priority: High
Component: xfsdump
AssignedTo: xfs-master@xxxxxxxxxxx
ReportedBy: evilninja@xxxxxxx
during copying with MidnightCommander (curses based filemanager) an Oops
showed up on the console, but the machine is still working. no lockups,
i can still access/umount/mount the fs. xfs_check did not reveal any
errors. the machine is a p3/500, debian/unstable (xfsprogs 2.6.11-1),
glibc 2.3.2.ds1-12, mount/umount utils from loop-aes-utils package, if
this matters. more info available, of course.
mc: page allocation failure. order:5, mode:0x50
~ [<c0130556>] __alloc_pages+0x2d6/0x320
~ [<c01305bf>] __get_free_pages+0x1f/0x40
~ [<c0133669>] kmem_getpages+0x19/0xc0
~ [<c0134188>] cache_grow+0x98/0x1f0
~ [<c0134452>] cache_alloc_refill+0x172/0x220
~ [<c01dc3e4>] xfs_log_release_iclog+0x14/0x50
~ [<c013499c>] __kmalloc+0x6c/0x80
~ [<c01d47fb>] xfs_iread_extents+0x6b/0x160
~ [<c01b11ea>] xfs_bunmapi+0xdfa/0xe80
~ [<c01e7625>] xfs_mod_incore_sb_batch+0x45/0xb0
~ [<c01ea974>] xfs_trans_unreserve_and_mod_sb+0x174/0x180
~ [<c01f9392>] pagebuf_rele+0xf2/0x100
~ [<c01ecc09>] xfs_trans_unlock_chunk+0x99/0xf0
~ [<c01dcc19>] xlog_assign_tail_lsn+0x19/0x70
~ [<c01df05a>] xlog_state_release_iclog+0x1a/0xd0
~ [<c01dc3e4>] xfs_log_release_iclog+0x14/0x50
~ [<c01de7d2>] xlog_grant_log_space+0x122/0x370
~ [<c01d50c8>] xfs_itruncate_finish+0x1d8/0x3b0
~ [<c01ec5ab>] xfs_trans_ijoin+0x2b/0x80
~ [<c01f1d75>] xfs_inactive+0x435/0x490
~ [<c0200688>] vn_rele+0xd8/0xf0
~ [<c01ff17f>] linvfs_clear_inode+0xf/0x20
~ [<c015e414>] clear_inode+0x94/0xa0
~ [<c015f16c>] generic_delete_inode+0xcc/0xf0
~ [<c015f343>] iput+0x53/0x70
~ [<c0155e04>] sys_unlink+0xf4/0x120
~ [<c014700f>] filp_close+0x4f/0x80
~ [<c0103d0b>] syscall_call+0x7/0xb
Unable to handle kernel NULL pointer dereference at virtual address 00000000
~ printing eip:
c01aed85
*pde = 00000000
Oops: 0002 [#1]
PREEMPT
Modules linked in: loop_twofish loop ipt_REJECT ipt_state ipt_multiport
ipt_MASQUERADE ip_nat_ftp iptable_nat ip_conntrack_ftp ip_conntrack
iptable_filter ip_tables nfsd exportfs lockd sunrpc ppp_deflate
zlib_deflate zlib_inflate bsd_comp parport_pc lp parport ppp_async ipv6
ppp_generic slhc 8250 serial_core 3c59x rtc
CPU: 0
EIP: 0060:[<c01aed85>] Not tainted
EFLAGS: 00010202 (2.6.7-rc3)
EIP is at xfs_bmap_read_extents+0x2f5/0x490
eax: 540f0000 ebx: 007d2635 ecx: 00000000 edx: e01b60aa
esi: c6e56018 edi: 00000000 ebp: 00000000 esp: c17b5cf4
ds: 007b es: 007b ss: 0068
Process mc (pid: 27049, threadinfo=c17b4000 task=c6e2edd0)
Stack: 00000000 c17b5d4c 00000002 00000050 cfffce60 00000000 f1a77b00
000000a4
~ 000000a4 000000a4 007d2635 00000000 cf81a040 00001066 c4795808
cf856c00
~ 00000000 ce225aa0 00000001 c6e56000 ce225a50 c5fe9a64 cf81a040
ce225aa0
Call Trace:
~ [<c01d481b>] xfs_iread_extents+0x8b/0x160
~ [<c01b11ea>] xfs_bunmapi+0xdfa/0xe80
~ [<c01e7625>] xfs_mod_incore_sb_batch+0x45/0xb0
~ [<c01ea974>] xfs_trans_unreserve_and_mod_sb+0x174/0x180
~ [<c01f9392>] pagebuf_rele+0xf2/0x100
~ [<c01ecc09>] xfs_trans_unlock_chunk+0x99/0xf0
~ [<c01dcc19>] xlog_assign_tail_lsn+0x19/0x70
~ [<c01df05a>] xlog_state_release_iclog+0x1a/0xd0
~ [<c01dc3e4>] xfs_log_release_iclog+0x14/0x50
~ [<c01de7d2>] xlog_grant_log_space+0x122/0x370
~ [<c01d50c8>] xfs_itruncate_finish+0x1d8/0x3b0
~ [<c01ec5ab>] xfs_trans_ijoin+0x2b/0x80
~ [<c01f1d75>] xfs_inactive+0x435/0x490
~ [<c0200688>] vn_rele+0xd8/0xf0
~ [<c01ff17f>] linvfs_clear_inode+0xf/0x20
~ [<c015e414>] clear_inode+0x94/0xa0
~ [<c015f16c>] generic_delete_inode+0xcc/0xf0
~ [<c015f343>] iput+0x53/0x70
~ [<c0155e04>] sys_unlink+0xf4/0x120
~ [<c014700f>] filp_close+0x4f/0x80
~ [<c0103d0b>] syscall_call+0x7/0xb
Code: 89 4d 00 83 c6 10 89 c1 89 7d 04 89 d7 0f c9 0f cf 87 cf 89
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