Re: 2.6.29-rc8: Badness at kernel/smp.c:329

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On Mon, Mar 30, 2009 at 01:39:55PM +0400, Alexander Beregalov wrote:
> >  Freeing unused kernel memory: <0>------------[ cut here ]------------
> >  Badness at kernel/smp.c:329
> >
> >      YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI
> >  PSW: 00000000000001001111011100001110 Not tainted
> >  r00-03  0004f70e 1058be90 101644f4 10547e90
> >  r04-07  101004d8 00000000 104eb0e8 101004d8
> >  r08-11  00000000 00000001 10507548 105c3180
> >  r12-15  ef821430 00000001 ef844090 1053e840
> >  r16-19  104eae98 105c3180 10541bc0 105c4000
> >  r20-23  00000000 105c4000 00000000 00000001
> >  r24-27  00000000 101004d8 104eb0e8 104eae90
> >  r28-31  0000000e 00000000 ef8242c0 00800480
> >  sr00-03  00000000 00000000 00000000 00000000
> >  sr04-07  00000000 00000000 00000000 00000000
> >
> >  IASQ: 00000000 00000000 IAOQ: 101644c0 101644c4
> >  IIR: 03ffe01f    ISR: 1024037e  IOR: 09024260
> >  CPU:        0   CR30: ef824000 CR31: 40002008
> >  ORIG_R28: 00000001
> >  IAOQ[0]: smp_call_function_many+0x2d4/0x2e0
> >  IAOQ[1]: smp_call_function_many+0x2d8/0x2e0
> >  RP(r2): smp_call_function+0x28/0x38
> >  Backtrace:
> >  [<101644f4>] smp_call_function+0x28/0x38
> >  [<105a4e90>] _einittext+0x0/0x10
> >  [<101644f4>] smp_call_function+0x28/0x38
> >  [<10142968>] on_each_cpu+0x1c/0x50
> >  [<10116e64>] free_initmem+0x60/0x1d0
> >  [<10116624>] init_post+0x1c/0x198
> >

this part is expected. (we sent an IPI with interrupts off...)

> >  ------------[ cut here ]------------
> >  Badness at kernel/smp.c:226
> >
> >      YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI
> >  PSW: 00000000000001001111111100001110 Tainted: G        W
> >  r00-03  0004ff0e 10507e90 101644f4 00000001
> >  r04-07  00000000 101004d8 00000000 105c4000
> >  r08-11  105a4ea0 105a4e90 10507548 105c3180
> >  r12-15  ef821430 00000001 ef844090 1053e840
> >  r16-19  104eae98 105c3180 10541bc0 0000000e
> >  r20-23  00000002 104eb0e8 0000001e 00000001
> >  r24-27  00000000 101004d8 00000001 104eae90
> >  r28-31  ef824000 00000000 ef8242c0 00000001
> >  sr00-03  00000000 00000000 00000000 00000000
> >  sr04-07  00000000 00000000 00000000 00000000
> >
> >  IASQ: 00000000 00000000 IAOQ: 10164138 1016413c
> >  IIR: 03ffe01f    ISR: 1024037e  IOR: 09024264
> >  CPU:        0   CR30: ef824000 CR31: 40002008
> >  ORIG_R28: 00000001
> >  IAOQ[0]: smp_call_function_single+0xa0/0x154
> >  IAOQ[1]: smp_call_function_single+0xa4/0x154
> >  RP(r2): smp_call_function+0x28/0x38
> >  Backtrace:
> >  [<101644f4>] smp_call_function+0x28/0x38
> >  [<1016a6e0>] __irq_set_trigger+0xa4/0xdc
> >  [<101642a8>] smp_call_function_many+0xbc/0x2e0
> >  [<101642a8>] smp_call_function_many+0xbc/0x2e0
> >  [<101642a8>] smp_call_function_many+0xbc/0x2e0
> >  [<101642a8>] smp_call_function_many+0xbc/0x2e0
> >  [<101642a8>] smp_call_function_many+0xbc/0x2e0
> >  [<101642a8>] smp_call_function_many+0xbc/0x2e0
> >  [<101642a8>] smp_call_function_many+0xbc/0x2e0
> >  [<101642a8>] smp_call_function_many+0xbc/0x2e0
> >  [<101642a8>] smp_call_function_many+0xbc/0x2e0
> >  [<101642a8>] smp_call_function_many+0xbc/0x2e0
> >  [<101642a8>] smp_call_function_many+0xbc/0x2e0
> >  [<101642a8>] smp_call_function_many+0xbc/0x2e0
> >  [<101642a8>] smp_call_function_many+0xbc/0x2e0
> >  [<101642a8>] smp_call_function_many+0xbc/0x2e0
> >

this part is a bug.
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