http://oss.sgi.com/bugzilla/show_bug.cgi?id=788
Summary: running stress test on xfs causes kernel oops
Product: Linux XFS
Version: Current
Platform: Other
OS/Version: Linux
Status: NEW
Severity: critical
Priority: P2
Component: XFS kernel code
AssignedTo: xfs-master@xxxxxxxxxxx
ReportedBy: poppitzg@xxxxxxxxxx
using Linux version 2.6.24.4 (gp@GPDevLinux) (gcc version 3.4.4 (release)
(CodeSourcery ARM
2005q3-2)) xfsprogs 2.9.8-1
can provide more detail on request
takes about 15 minutes to show up, seems repeatable (twice hit so far)
incident 1:
~ # Unable to handle kernel NULL pointer dereference at virtual address 00000004
pgd = c237c000
[00000004] *pgd=00000000
Internal error: Oops: 5 [#1]
Modules linked in: usb_storage libusual ehci_hcd oxnas_leds thermAndFan usblp
usbcore
CPU: 0 Not tainted (2.6.24.4 #1)
PC is at __xfs_get_blocks+0xe8/0x2a0
LR is at xfs_map_buffer+0x5c/0x84
pc : [<c0146938>] lr : [<c0145440>] psr: 60000013
sp : c237bba8 ip : 00000014 fp : c237bc1c
r10: 00001000 r9 : c237bbc0 r8 : c3c61cc0
r7 : 00000001 r6 : c3c283c8 r5 : 00000006 r4 : 59b87000
r3 : 00000000 r2 : 60000013 r1 : 60000093 r0 : 00659b86
Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
Control: 0005317f Table: 4a37c000 DAC: 00000015
Process smbd (pid: 3085, stack limit = 0xc237a268)
Stack: (0xc237bba8 to 0xc237c000)
bba0: 0000000c 00000002 c237bbc0 c237bbbc c02d9770 00000001
bbc0: ffffffff c3ede4e0 00000000 5990f000 00000006 00279000 00000000 00278000
bbe0: 00000000 00000044 c237bc24 c237bbf8 c00a9cec 00000002 00001000 00659b87
bc00: c03202a0 00001000 c237bc60 00000000 c237bc3c c237bc20 c0146b14 c0146860
bc20: 00000000 00000002 00659b87 00000000 c237bc94 c237bc40 c00aabc4 c0146b00
bc40: 00000010 c3c61d58 c03202a0 c3c283c8 00001000 00000000 c3c61cc0 c3c283c8
bc60: c3c61d58 00659b87 c237bc94 00659b87 00000000 00000000 c03202a0 59b87000
bc80: 00000006 00001000 c237bcd4 c237bc98 c00aafe8 c00aa9b0 c0146af0 00000000
bca0: 00000001 c3c61cc0 c237bccc c0146af0 c0255bf8 59b87000 00000006 00001000
bcc0: c237a000 00000000 c237bd04 c237bcd8 c0146d7c c00aaf78 00001000 00000000
bce0: c237bd64 c237bd60 c0146af0 00001000 c237a000 00000000 c237bda4 c237bd08
bd00: c0062660 c0146d4c 00001000 00000000 c237bd64 c237bd60 ffffffff 00001000
bd20: 00000001 c254e8c0 c237bdd4 c237bd38 489c94a5 14d33ce0 489c94a5 00000000
bd40: 00007000 c0255bf8 c3c61d58 c3c61cc0 c0255bf8 c3c61d58 c2313de0 c237be90
bd60: 00000000 c03202a0 c237bf20 00000001 00007000 00009000 00000000 59b80000
bd80: 00000006 00000000 00000001 00000000 00000001 c3c62060 c237be5c c237bda8
bda0: c014e648 c006255c 59b80000 00000006 c237bee0 00010000 00000000 00000001
bdc0: c237a000 00000002 c3c62118 00000000 c3ed9000 c3c61cc0 c3c61cc0 c3c61d58
bde0: c2313de0 c237bf20 c237be90 00010000 59b80000 00000006 00010000 00000001
be00: c237be84 c237be10 c01d9490 c01dd884 00000000 00000001 beccba60 c237a000
be20: 00000000 0000999c c1c7ba40 00000000 00000000 59b80000 00000006 c237bee0
be40: 00000006 c237bf20 c237a000 c237bfa8 c237be84 c237be60 c0149b20 c014e08c
be60: c237bee0 00000001 00000000 c237be90 c2313de0 59b80000 c237bf4c c237be88
be80: c0083cf0 c0149ac4 59b80000 00000006 00000000 0000000b 00000000 00000001
bea0: ffffffff c2313de0 00000000 00000000 00000000 00000000 c3ef0c00 00000000
bec0: 00000000 00000000 c237beec c3ef0c00 c004f354 c237bed4 c237bed4 c237bee8
bee0: 59b80000 00000006 c0022da8 c237be18 c23e94e0 c02f4f74 c237bf1c 00010000
bf00: c01de7b8 c23e94e0 c23e94e0 c02f4f74 c237bf34 c237bf20 00000000 00000000
bf20: 4021d04c 00010000 c2313de0 c0083c34 4021d04c c237bfa8 c237bfa8 009000b5
bf40: c237bf74 c237bf50 c0083e94 c0083c44 00000000 c003f93c c2313de0 ffffffe3
bf60: 4021d04c 00010000 c237bfa4 c237bf78 c008409c c0083d4c 00000000 00000000
bf80: c237bfac 00000006 00000000 59b80000 000000b5 c00243c4 00000000 c237bfa8
bfa0: c0023bc0 c008402c 59b80000 00000006 00000012 4021d04c 00010000 59b80000
bfc0: 00000006 00000000 59b80000 00000006 4021d04c 00010000 2a491a9c beccb684
bfe0: 2a491c2c beccb61c 401601a0 40160138 60000010 00000012 00000000 00000000
Backtrace:
[<c0146850>] (__xfs_get_blocks+0x0/0x2a0) from [<c0146b14>]
(xfs_get_blocks+0x24/0x2c)
[<c0146af0>] (xfs_get_blocks+0x0/0x2c) from [<c00aabc4>]
(__block_prepare_write+0x224/0x450)
r4:00000000
[<c00aa9a0>] (__block_prepare_write+0x0/0x450) from [<c00aafe8>]
(block_write_begin+0x80/0x158)
[<c00aaf68>] (block_write_begin+0x0/0x158) from [<c0146d7c>]
(xfs_vm_write_begin+0x40/0x4c)
[<c0146d3c>] (xfs_vm_write_begin+0x0/0x4c) from [<c0062660>]
(generic_file_buffered_write+0x114/0x678)
r4:00000000
[<c006254c>] (generic_file_buffered_write+0x0/0x678) from [<c014e648>]
(xfs_write+0x5cc/0x850)
[<c014e07c>] (xfs_write+0x0/0x850) from [<c0149b20>]
(xfs_file_aio_write+0x6c/0x84)
[<c0149ab4>] (xfs_file_aio_write+0x0/0x84) from [<c0083cf0>]
(do_sync_write+0xbc/0x108)
r6:59b80000 r5:c2313de0 r4:c237be90
[<c0083c34>] (do_sync_write+0x0/0x108) from [<c0083e94>] (vfs_write+0x158/0x15c)
[<c0083d3c>] (vfs_write+0x0/0x15c) from [<c008409c>] (sys_pwrite64+0x80/0x94)
r7:00010000 r6:4021d04c r5:ffffffe3 r4:c2313de0
[<c008401c>] (sys_pwrite64+0x0/0x94) from [<c0023bc0>]
(ret_fast_syscall+0x0/0x2c)
r8:c00243c4 r7:000000b5 r6:59b80000 r5:00000000 r4:00000006
Code: e51b3034 e3130020 1a00005e e51b3054 (e5932004)
---[ end trace 20468937b3c97a91 ]---
incident 2:
~ # Unable to handle kernel NULL pointer dereference at virtual address 00000004
pgd = c1598000
[00000004] *pgd=00000000
Internal error: Oops: 5 [#1]
Modules linked in: usb_storage libusual ehci_hcd oxnas_leds thermAndFan usblp
usbcore
CPU: 0 Not tainted (2.6.24.4 #1)
PC is at __xfs_get_blocks+0xe8/0x2a0
LR is at xfs_map_buffer+0x5c/0x84
pc : [<c0146938>] lr : [<c0145440>] psr: 60000013
sp : c03b9ba8 ip : 00000014 fp : c03b9c1c
r10: 00001000 r9 : c03b9bc0 r8 : c3d89c20
r7 : 00000001 r6 : c3c123c8 r5 : 00000000 r4 : 6cecb000
r3 : 00000000 r2 : 60000013 r1 : 60000093 r0 : 0006cecb
Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
Control: 0005317f Table: 49598000 DAC: 00000015
Process smbd (pid: 3302, stack limit = 0xc03b8268)
Stack: (0xc03b9ba8 to 0xc03ba000)
9ba0: 0000000c 00000002 c03b9bc0 c03b9bbc c02d9770 00000001
9bc0: ffffffff c3f9e4e0 00000000 6cce4000 00000000 001e8000 00000000 001e7000
9be0: 00000000 00000044 c03b9c24 c03b9bf8 c00a9cec 00000002 00001000 0006cecb
9c00: c03348e0 00001000 c03b9c60 00000000 c03b9c3c c03b9c20 c0146b14 c0146860
9c20: 00000000 00000002 0006cecb 00000000 c03b9c94 c03b9c40 c00aabc4 c0146b00
9c40: 00000010 c3d89cb8 c03348e0 c3c123c8 00001000 00000000 c3d89c20 c3c123c8
9c60: c3d89cb8 0006cecb c03b9c94 0006cecb 00000000 00000000 c03348e0 6cecb000
9c80: 00000000 00001000 c03b9cd4 c03b9c98 c00aafe8 c00aa9b0 c0146af0 00000000
9ca0: 00000001 c3d89c20 c03b9ccc c0146af0 c0255bf8 6cecb000 00000000 00001000
9cc0: c03b8000 00000000 c03b9d04 c03b9cd8 c0146d7c c00aaf78 00001000 00000000
9ce0: c03b9d64 c03b9d60 c0146af0 00001000 c03b8000 00000000 c03b9da4 c03b9d08
9d00: c0062660 c0146d4c 00001000 00000000 c03b9d64 c03b9d60 c03b9d5c 00001000
9d20: c03b9d7c c03b9d30 c01dc824 c003fbb8 489cb3e3 0be2a9e0 489cb3e3 00000000
9d40: 0000b000 c0255bf8 c3d89cb8 c3d89c20 c0255bf8 c3d89cb8 c3fa1dc0 c03b9e90
9d60: 00000000 c03348e0 c03b9f20 00000001 0000b000 00005000 00000000 6cec0000
9d80: 00000000 00000000 00000001 00000000 00000001 c3d7c500 c03b9e5c c03b9da8
9da0: c014e648 c006255c 6cec0000 00000000 c03b9ee0 00010000 00000000 c003fc88
9dc0: c03b8000 00000002 c3d7c5b8 00000000 c3f99000 c3d89c20 c3d89c20 c3d89cb8
9de0: c3fa1dc0 c03b9f20 c03b9e90 00010000 6cec0000 00000000 00010000 00000001
9e00: c03b9e2c c02d910c 0000000b c02f1eb4 c03b9f08 c00243c4 c03b8000 00900003
9e20: c03b9e44 c3d5ca80 c3e32e40 c3e32e40 c03b9e5c 6cec0000 00000000 c03b9ee0
9e40: 00000000 c03b9f20 c03b8000 c03b9fa8 c03b9e84 c03b9e60 c0149b20 c014e08c
9e60: c03b9ee0 00000001 c03b9e8c c03b9e90 c3fa1dc0 6cec0000 c03b9f4c c03b9e88
9e80: c0083cf0 c0149ac4 6cec0000 00000000 00000000 00000000 00000000 00000001
9ea0: ffffffff c3fa1dc0 00000000 00000000 00000000 00000000 c3e3ce40 00000000
9ec0: 00000000 00000000 c03b9ee4 c3e3ce40 c004f354 c03b9ed4 c03b9ed4 c03b9ee8
9ee0: 6cec0000 00000000 ffffffff c03b9f3c 00000001 c03b9f78 c03b9f74 00010000
9f00: c0023810 c0022d70 0000999c 0000999c 00000000 00000000 00000000 00000000
9f20: 4021d04c 00010000 c3fa1dc0 c0083c34 4021d04c c03b9fa8 c03b9fa8 009000b5
9f40: c03b9f74 c03b9f50 c0083e94 c0083c44 00000000 c003f93c c3fa1dc0 ffffffe3
9f60: 4021d04c 00010000 c03b9fa4 c03b9f78 c008409c c0083d4c 00000000 00000000
9f80: c03b9fac 00000000 00000000 6cec0000 000000b5 c00243c4 00000000 c03b9fa8
9fa0: c0023bc0 c008402c 6cec0000 00000000 00000019 4021d04c 00010000 6cec0000
9fc0: 00000000 00000000 6cec0000 00000000 4021d04c 00010000 2a491a9c bed562e4
9fe0: 2a491c2c bed5627c 401601a0 40160138 60000010 00000019 00000000 00000000
Backtrace:
[<c0146850>] (__xfs_get_blocks+0x0/0x2a0) from [<c0146b14>]
(xfs_get_blocks+0x24/0x2c)
[<c0146af0>] (xfs_get_blocks+0x0/0x2c) from [<c00aabc4>]
(__block_prepare_write+0x224/0x450)
r4:00000000
[<c00aa9a0>] (__block_prepare_write+0x0/0x450) from [<c00aafe8>]
(block_write_begin+0x80/0x158)
[<c00aaf68>] (block_write_begin+0x0/0x158) from [<c0146d7c>]
(xfs_vm_write_begin+0x40/0x4c)
[<c0146d3c>] (xfs_vm_write_begin+0x0/0x4c) from [<c0062660>]
(generic_file_buffered_write+0x114/0x678)
r4:00000000
[<c006254c>] (generic_file_buffered_write+0x0/0x678) from [<c014e648>]
(xfs_write+0x5cc/0x850)
[<c014e07c>] (xfs_write+0x0/0x850) from [<c0149b20>]
(xfs_file_aio_write+0x6c/0x84)
[<c0149ab4>] (xfs_file_aio_write+0x0/0x84) from [<c0083cf0>]
(do_sync_write+0xbc/0x108)
r6:6cec0000 r5:c3fa1dc0 r4:c03b9e90
[<c0083c34>] (do_sync_write+0x0/0x108) from [<c0083e94>] (vfs_write+0x158/0x15c)
[<c0083d3c>] (vfs_write+0x0/0x15c) from [<c008409c>] (sys_pwrite64+0x80/0x94)
r7:00010000 r6:4021d04c r5:ffffffe3 r4:c3fa1dc0
[<c008401c>] (sys_pwrite64+0x0/0x94) from [<c0023bc0>]
(ret_fast_syscall+0x0/0x2c)
r8:c00243c4 r7:000000b5 r6:6cec0000 r5:00000000 r4:00000000
Code: e51b3034 e3130020 1a00005e e51b3054 (e5932004)
---[ end trace 2c9ac4269b0efedc ]---
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