Re: Oops in kthread

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On Sat, 2006-05-20 at 20:37 +0800, Liu haixiang wrote:
> Hi All,
> 
> Today I debug one kernel thread created by kthread_run. And after
> several hours run, there is one Oops coming from kthread. Please see
> below mesage:
> ====================
> Unable to handle kernel NULL pointer dereference at virtual address 00000000
> pc = 00000000
> *pde = 00000000
> Oops: 0000 [#1]
> 
> Pid : 261, Comm:      CallbackManager
> PC is at 0x0
> PC  : 00000000 SP  : 869bbf8c SR  : 40008100 TEA : c016db88    Tainted: P
> R0  : 00000000 R1  : 00000000 R2  : 005770c5 R3  : 40008101
> R4  : 8b000006 R5  : 00000003 R6  : 07b1ce60 R7  : 00000079
> R8  : c01c0800 R9  : 07b1ce60 R10 : 00000003 R11 : 00000000
> R12 : 0000004c R13 : 00000000 R14 : 00000079
> MACH: 0000025c MACL: 000001c8 GBR : 00000000 PR  : c01b514a
> 
> Call trace:
> [<8442d184>] kthread+0xe4/0x140
> [<c01b4f80>] CallbackManager+0x0/0x2c0 [fdma]

you forgot to attach the source code for "fdma"... so how can we help
you?

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