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SubjectRe: kernel BUG at /usr/src/linux-2.5.37/include/asm/spinlock.h:123!
On Sun, Sep 22, 2002 at 10:25:48AM +0300, Mika Liljeberg wrote:
> This happened on 2.5.37 with KDE artsd and OSS sound drivers.
>
> MikaL
>
> Sep 21 22:12:10 devil kernel: eip: c02471a0
> Sep 21 22:12:10 devil kernel: kernel BUG at /usr/src/linux-2.5.37/include/asm/spinlock.h:123!
> Sep 21 22:12:10 devil kernel: invalid operand: 0000
> Sep 21 22:12:10 devil kernel: CPU: 1
> Sep 21 22:12:10 devil kernel: EIP: 0060:[dma_ioctl+920/2634] Not tainted
> Sep 21 22:12:10 devil kernel: EFLAGS: 00210082
> Sep 21 22:12:10 devil kernel: eax: 0000000e ebx: 40045010 ecx: d2a87e70 edx: c0368800
> Sep 21 22:12:10 devil kernel: esi: 40045038 edi: d98220fc ebp: 40045038 esp: d2a87f00
> Sep 21 22:12:10 devil kernel: ds: 0068 es: 0068 ss: 0068
> Sep 21 22:12:10 devil kernel: Process artsd (pid: 545, threadinfo=d2a86000 task=d2dca020)
> Sep 21 22:12:10 devil kernel: Stack: c032bacd c02471a0 40045010 bffff6ec 00000000 40045010 d9822000 00000000
> Sep 21 22:12:10 devil kernel: 00200202 00000002 d9822574 00000000 d5135a20 c0125226 00000000 00001000
> Sep 21 22:12:10 devil kernel: 00000000 00000000 c0246a4c 00000000 40045010 bffff6ec 00000004 00000003
> Sep 21 22:12:10 devil kernel: Call Trace: [dma_ioctl+896/2634] [update_wall_time+18/60] [audio_ioctl+1452/1512] [sound_ioctl+341/380] [sys_ioctl+639/748]
> Sep 21 22:12:10 devil kernel: [syscall_call+7/11]
> Sep 21 22:12:10 devil kernel:
> Sep 21 22:12:10 devil kernel: Code: 0f 0b 7b 00 a0 ba 32 c0 83 c4 08 f0 fe 0e 0f 88 aa 06 00 00
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Mika,

I haven't looked at the code yet... but most of the time when you see this
error it is because the kernel is compiled with CONFIG_DEBUG_SPINLOCK and
the code is using a lock that hasn't be initilized correctly (i.e.:
SPIN_LOCK_UNLOCKED().

--
Bob Miller Email: rem@osdl.org
Open Source Development Lab Phone: 503.626.2455 Ext. 17
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