While attempting a sysrq-t on 2.6.31-rc5, I got the following panic.
Has anyone seen this before?
~~~
SysRq : Show State
task PC stack pid father
init S 0000000040103568 0 1 0 0x00000010
Backtrace:
[<0000000040115dec>] schedule+0x324/0x938
[<0000000040175654>] hrtimer_try_to_cancel+0x2c/0xd0
Backtrace:
[<0000000040290e94>] memcpy+0x2c/0x40
Bad Address (null pointer deref?): Code=15 regs=00000000405a53c0
(Addr=c00007ff9f85cb90)
YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI
PSW: 00001000000001101111111100001110 Not tainted
r00-03 000000ff0806ff0e 00000000405f8c80 0000000000000010 00000000405a4e78
r04-07 000000006fc00000 000000006bc23fd9 0000000000000003 00000000405f8480
r08-11 0000000000000080 0000000073c00008 00000000405253f8 000000000800000e
r12-15 00000000404d9048 000000000800000f 0000000000000002 0000000000000004
r16-19 00000000405a49e9 00000000405a49e8 000000009dc6e9e0 000000004011d370
r20-23 ffffffffffffff60 0000000040175628 00000000ffffff60 000000004047de04
r24-27 00000000401755f8 0000000000000000 0000000040175654 00000000405ebc80
r28-31 ffffffff9f85cb90 0000000037de0000 00000000405a53c0 ffffffff9f85cba0
sr00-03 00000000001f6800 0000000000000000 0000000000000000 00000000001f6800
sr04-07 0000000000000000 0000000000000000 0000000000000000 0000000000000000
IASQ: 0000000000000000 0000000000000000 IAOQ: 0000000040127054 0000000040127058
IIR: 0f8010df ISR: 000000003ffff800 IOR: c00007ff9f85cb90
CPU: 0 CR30: 00000000405a4000 CR31: ffdfffffffffffff
ORIG_R28: 00000000405ebc80
IAOQ[0]: unwind_once+0x2d4/0x450
IAOQ[1]: unwind_once+0x2d8/0x450
RP(r2): 0x10
Backtrace:
[<0000000040290e94>] memcpy+0x2c/0x40
Kernel panic - not syncing: Bad Address (null pointer deref?)
Backtrace:
Backtrace:
[<00000000402fdf64>] uart_console_write+0x5c/0xc0
Bad Address (null pointer deref?): Code=15 regs=00000000405a6390
(Addr=c00007ff405a6240)
YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI
PSW: 00001000000001001111111100001110 Not tainted
r00-03 000000ff0804ff0e 00000000405f8c80 0000000000000010 00000000405a5e48
r04-07 000000006fc00000 000000006bc23fd9 0000000000000001 00000000405f8480
r08-11 0000000000000350 0000000073c00008 000000000000000f 000000000800000e
r12-15 00000000404d9048 000000000800000f 0000000000000002 0000000000000004
r16-19 00000000405a53c0 00000000405a49e8 000000009dc6e9e0 000000004011d370
r20-23 ffffffffffffff70 000000004011c424 00000000ffffff70 00000000404793b4
r24-27 000000004011c370 0000000000000000 000000004011c9fc 00000000405ebc80
r28-31 ffffffff405a6240 0000000037de0000 00000000405a6390 ffffffff405a6250
sr00-03 00000000001f6800 0000000000000000 0000000000000000 00000000001f6800
sr04-07 0000000000000000 0000000000000000 0000000000000000 0000000000000000
IASQ: 0000000000000000 0000000000000000 IAOQ: 0000000040127054 0000000040127058
IIR: 0f8010df ISR: 000000003ffff800 IOR: c00007ff405a6240
CPU: 0 CR30: 00000000405a4000 CR31: ffdfffffffffffff
ORIG_R28: 00000000405ebc80
IAOQ[0]: unwind_once+0x2d4/0x450
IAOQ[1]: unwind_once+0x2d8/0x450
RP(r2): 0x10
Backtrace:
[<00000000402fdf64>] uart_console_write+0x5c/0xc0
Kernel panic - not syncing: Bad Address (null pointer deref?)
Backtrace:
Backtrace:
[<00000000401154c8>] printk+0x40/0x50
[<000000004011c8f4>] do_show_stack+0x7c/0xe8
~~~
Cheers,
Carlos.
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