求助spinlock 問題

happydo

請問我enable 了 kernel CONFIG_DEBUG_SPINLOCK 選項後程式開機起來app一跑就出現在列的message，請問是kernel的問題還是我的driver可能有問題?
Linux2.6.28.7 arm-926ejs

謝謝


BUG: spinlock bad magic on CPU#0, fullfw/2042
lock: bf025500, .magic: 00000000, .owner: <none>/-1, .owner_cpu: 0
[<c0291a78>] (dump_stack+0x0/0x14) from [<c015d28c>] (spin_bug+0x90/0xa4)
[<c015d1fc>] (spin_bug+0x0/0xa4) from [<c015d3d4>] (_raw_spin_lock+0x2c/0x154)
r6:00000000 r5:bf025500 r4:bf025500
[<c015d3a8>] (_raw_spin_lock+0x0/0x154) from [<c0294070>] (_spin_lock_irqsave+0x2c/0x34)
[<c0294044>] (_spin_lock_irqsave+0x0/0x34) from [<bf02205c>] (aess_biospost_isr+0x148/0x4dc [aess_biospostdrv])
r5:c4a63f00 r4:c5fe3420
[<bf021f14>] (aess_biospost_isr+0x0/0x4dc [aess_biospostdrv]) from [<c00669cc>] (handle_IRQ_event+0x44/0x84)
r6:00000000 r5:00000000 r4:c5fe3420
[<c0066988>] (handle_IRQ_event+0x0/0x84) from [<c0068080>] (handle_level_irq+0xb4/0x11c)
r7:c5fe3580 r6:c033fbfc r5:00000026 r4:c033fbc8
[<c0067fcc>] (handle_level_irq+0x0/0x11c) from [<c0028064>] (__exception_text_start+0x64/0x84)
r7:00000002 r6:f0100140 r5:00000026 r4:00000000
[<c0028000>] (__exception_text_start+0x0/0x84) from [<c00289c4>] (__irq_svc+0x44/0x11
Exception stack(0xc4b53e78 to 0xc4b53ec0)
3e60:                                                       00000000 bf0243c0
3e80: 00000014 f0426500 bea5dbbc c4b9b5c0 bf0263b8 00000000 00000001 00000000
3ea0: bf0254f8 c4b53ef4 c4b53e60 c4b53ec0 c0089ccc bf021df0 80000013 ffffffff
r5:00000001 r4:ffffffff
[<bf021420>] (aess_biospost_ioctl+0x0/0xaf4 [aess_biospostdrv]) from [<c009a010>] (vfs_ioctl+0x78/0x94)
[<c0099f98>] (vfs_ioctl+0x0/0x94) from [<c009a5ac>] (do_vfs_ioctl+0x488/0x4d
r7:0000000c r6:c5fcd518 r5:c4b9b5c0 r4:bea5dbbc
[<c009a124>] (do_vfs_ioctl+0x0/0x4d from [<c009a63c>] (sys_ioctl+0x40/0x64)
r9:c4b52000 r8:c0029068 r7:0000000c r6:c004cf00 r5:bea5dbbc
r4:c4b9b5c0
[<c009a5fc>] (sys_ioctl+0x0/0x64) from [<c0028ec0>] (ret_fast_syscall+0x0/0x2c)
r7:00000036 r6:00000000 r5:00000140 r4:00000013
BUG: spinlock lockup on CPU#0, fullfw/2042, bf025500
[<c0291a78>] (dump_stack+0x0/0x14) from [<c015d4bc>] (_raw_spin_lock+0x114/0x154)
[<c015d3a8>] (_raw_spin_lock+0x0/0x154) from [<c0294070>] (_spin_lock_irqsave+0x2c/0x34)
[<c0294044>] (_spin_lock_irqsave+0x0/0x34) from [<bf02205c>] (aess_biospost_isr+0x148/0x4dc [aess_biospostdrv])
r5:c4a63f00 r4:c5fe3420
[<bf021f14>] (aess_biospost_isr+0x0/0x4dc [aess_biospostdrv]) from [<c00669cc>] (handle_IRQ_event+0x44/0x84)
r6:00000000 r5:00000000 r4:c5fe3420
[<c0066988>] (handle_IRQ_event+0x0/0x84) from [<c0068080>] (handle_level_irq+0xb4/0x11c)
r7:c5fe3580 r6:c033fbfc r5:00000026 r4:c033fbc8
[<c0067fcc>] (handle_level_irq+0x0/0x11c) from [<c0028064>] (__exception_text_start+0x64/0x84)
r7:00000002 r6:f0100140 r5:00000026 r4:00000000
[<c0028000>] (__exception_text_start+0x0/0x84) from [<c00289c4>] (__irq_svc+0x44/0x11
Exception stack(0xc4b53e78 to 0xc4b53ec0)
3e60:                                                       00000000 bf0243c0
3e80: 00000014 f0426500 bea5dbbc c4b9b5c0 bf0263b8 00000000 00000001 00000000
3ea0: bf0254f8 c4b53ef4 c4b53e60 c4b53ec0 c0089ccc bf021df0 80000013 ffffffff
r5:00000001 r4:ffffffff
[<bf021420>] (aess_biospost_ioctl+0x0/0xaf4 [aess_biospostdrv]) from [<c009a010>] (vfs_ioctl+0x78/0x94)
[<c0099f98>] (vfs_ioctl+0x0/0x94) from [<c009a5ac>] (do_vfs_ioctl+0x488/0x4d
r7:0000000c r6:c5fcd518 r5:c4b9b5c0 r4:bea5dbbc
[<c009a124>] (do_vfs_ioctl+0x0/0x4d from [<c009a63c>] (sys_ioctl+0x40/0x64)
r9:c4b52000 r8:c0029068 r7:0000000c r6:c004cf00 r5:bea5dbbc
r4:c4b9b5c0
[<c009a5fc>] (sys_ioctl+0x0/0x64) from [<c0028ec0>] (ret_fast_syscall+0x0/0x2c)
r7:00000036 r6:00000000 r5:00000140 r4:00000013