Hi pa-ckers.
Attached is the console capture on lafayette after it crashed in
dm_snapshot.
FWIW, the output looks a bit mingled, and it's not the first time I
see intertwined output like this, at least on parisc. I wonder if
something's gone wrong with printk() on SMP machines...
Lafayette is running Linux version 2.6.32-3-parisc64-smp (Debian
2.6.32-9) (maks@xxxxxxxxxx) (gcc version 4.3.4 (GCC) ) #1 SMP Thu Feb
25 16:08:05 UTC 2010
HTH
T-Bone
[425641.452000] EXT3 FS on dm-3, internal journal
[425641.456000] EXT3-fs: mounted filesystem with ordered data mode.
Press Q/q to quit, Enter to continue:
[426045.348000] Backtrace:
[426045.348000] [<0000000020b28bf8>] exit_exception_table+0x68/0x1a8
[dm_snapshot]
[426045.348000] [<0000000020b28ee0>] snapshot_dtr+0x1a8/0x390
[dm_snapshot]
[426045.348000] [<0000000020731e30>] dm_table_destroy+0xa8/0x1d8
[dm_mod]
[426045.348000] [<000000002072aa3c>] __unbind+0x7c/0x1e8 [dm_mod]
[426045.348000] [<000000002072dda0>] dm_put+0x148/0x2d8 [dm_mod]
[426045.348000] [<0000000020737054>] dev_remove+0x13c/0x1c8 [dm_mod]
[426045.348000] [<0000000020737cb4>] ctl_ioctl+0x234/0x2c8 [dm_mod]
[426045.348000] [<0000000020737da8>] dm_compat_ctl_ioctl+0x18/0x38
[dm_mod]
[426045.348000] [<0000000040257444>] compat_sys_ioctl+0x14c/0x4b0
[426045.348000] [<0000000040104ef8>] syscall_exit+0x0/0x14
[426045.348000]
[426045.348000]
[426045.348000] Bad Address (null pointer deref?): Code=15
regs=00000001288607e0 (Addr=000000004021d9f8)
[426045.348000]
[426045.348000] YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI
[426045.348000] PSW: 00001000000001100000011000001111 Not tainted
[426045.348000] r00-03 000000e00806060f 00000000406d7c20
0000000020b28bf8 [426045.348000] r04-07 0000000020b25000
00000000001bf050 000000000001bf05 0000000023f1b050
[426045.348000] r08-11 000000012941f658 0000000128860730
0000000000020000 00000000405327c8
[426045.348000] r12-15 0000000040352b28 000000004034f190
0000000040353534 0000000040352f74
Press Q/q to quit, Enter to continue:
[426045.348000] r16-19 0000000040351744 00000000c138fd04
0000000040352f74 0000000040e5a000
[426045.348000] r20-23 0000000000000000 000ffffffffc8109
0000000000000000 0003780
[426045.348000] r24-27 0000000008109af4 0000000008109af4
00000000405327c8 00000000406b7c20
[426045.348000] r28-31 037fffffff3c39f8 0000000128860730
00000001288607e0 000ffffffffc8109
[426045.348000] sr00-03 00000000058a6800 0000000000000000
0000000000000000 00000000058a6800
[426045.348000] sr04-07 0000000000000000 0000000000000000
0000000000000000 0000000000000000
[426045.348000]
[426045.348000] IASQ: 0000000000000000 0000000000000401f7a48
00000000401f7a4c
[426045.348000] IIR: 0f9300df ISR: 0000000003800000 IOR:
000000004021d9f8
[426045.348000] CPU: 0 CR30: 0000000128860000 CR31:
0000000000008020
[426045.348000] ORIG_R28: 0000000040352b28
[426045.348000] IAOQ[0]: kmem_cache_free+0x98/0x110
[426045.348000] IAOQ[1]: kmem_cache_free+0x9c/0x110
[426045.348000] RP(r2): exit_exception_table+0x68/0x1a8 [dm_snapshot]
[426045.348000] Backtrace:
[426045.34<0000000020b28bf8>] exit_exception_table+0x68/0x1a8
[dm_snapshot]
[426045.348000] [<0000000020b28ee0>] snapshot_dtr+0x1a8/0x390
[dm_snapshot]
[426045.348000] [<0000000020731e30>] dm_table_destroy+0xa8/0x1d8
[dm_mod]
[426045.348000] [<000000002072aa3c>] __unbind+0x7c/0x1e8 [dm_mod]
[426045.348000] [<000000002072dda0>] dm_put+0x148/0x2d8 [dm_mod]
Press Q/q to quit, Enter to continue:
[426045.348000] [<0000000020737054>] dev_remove+0x13c/0x1c8 [dm_mod]
[426045.348000] [<0000_ioctl+0x234/0x2c8 [dm_mod]
[426045.348000] [<0000000020737da8>] dm_compat_ctl_ioctl+0x18/0x38
[dm_mod]
[426045.348000] [<0000000040257444>] compat_sys_ioctl+0x14c/0x4b0
[426045.348000] [<0000000040104ef8>] syscall_exit+0x0/0x14
[426045.348000]
[426045.348000] ernel panic - not syncing: Bad Address (null pointer
deref?)
[426045.348000] Backtrace:
[426045.348000] [<000000004011d41c>] show_stack+0x14/0x20
[426045.348000] [<0000000040115e40>] dump_stack+0x18/0x28
[426045.348000] [<0000000040115f00>] panic+0xb0/0x2c0
[426045.348000] [<000000004011dab8>] parisc_terminate+0x168/0x170
[426045.348000] [<000000004011be60>] do_page_fault+0x2f8/0x388
[426045.348000] [<000000004011e560>] handle_interr50/0x870
[426045.348000] [<00000000401f7a48>] kmem_cache_free+0x98/0x110
[426045.348000] [<0000000020b28bf8>] exit_exception_table+0x68/0x1a8
[dm_snapshot]
[426045.348000] [<0000000020b28ee0>] snapshot_dtr+0x1a8/0x390
[dm_snapshot]
[426045.348000] [<0000000020731e30>] dm_table_destroy+0xa8/0x1d8
[dm_mod]
[426045.348000] [<000000002072aa3c>] __unbind+0x7c/0x1e8 [dm_mod]
[426045.348000] [<000000002072dda0>] dm_put+0x148/0x2d8 [dm_mod]
Press Q/q to quit, Enter to continue:
[<0000000020737054>] dev_remove+0x13c/0x1c8 [dm_mod]
[426045.348000] [<0000000020737cb4>] ctl_ioctl+0x234/0x2c8 [dm_mod]
[426045.348000] [<0000000020737da8>] dm_compat_ctl_ioctl+0x18/0x38
[dm_mod]
[426045.348000] [<0000000040257444>] compat_sys_ioctl+0x14c/0x4b0
[426045.348000]
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