* kernel BUG at /usr/src/linux-2.5.37/include/asm/spinlock.h:123!
@ 2002-09-22 7:25 Mika Liljeberg
2002-09-23 15:41 ` Bob Miller
0 siblings, 1 reply; 3+ messages in thread
From: Mika Liljeberg @ 2002-09-22 7:25 UTC (permalink / raw)
To: linux-kernel
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
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: kernel BUG at /usr/src/linux-2.5.37/include/asm/spinlock.h:123!
2002-09-22 7:25 kernel BUG at /usr/src/linux-2.5.37/include/asm/spinlock.h:123! Mika Liljeberg
@ 2002-09-23 15:41 ` Bob Miller
2002-09-23 18:11 ` Mika Liljeberg
0 siblings, 1 reply; 3+ messages in thread
From: Bob Miller @ 2002-09-23 15:41 UTC (permalink / raw)
To: Mika Liljeberg; +Cc: linux-kernel
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
> -
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/
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
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: kernel BUG at /usr/src/linux-2.5.37/include/asm/spinlock.h:123!
2002-09-23 15:41 ` Bob Miller
@ 2002-09-23 18:11 ` Mika Liljeberg
0 siblings, 0 replies; 3+ messages in thread
From: Mika Liljeberg @ 2002-09-23 18:11 UTC (permalink / raw)
To: Bob Miller; +Cc: linux-kernel
On Mon, 2002-09-23 at 18:41, Bob Miller wrote:
> Mika,
Hi Bob,
> 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().
Yup. I usually compile new kernels with spinlock debugging.
Looks like a number of the ioctls in oss/audio.c have locking problems.
At least the following ones look buggy:
SNDCTL_DSP_SETTRIGGER
SNDCTL_DSP_GETIPTR
SNDCTL_DSP_GETOPTR
SNDCTL_DSP_GETODELAY
Each of these tries to manipulate a spinlock through the uninitialized
dmap pointer. SNDCTL_DSP_SETTRIGGER actually operates on both dmap_in
and dmap_out. It should presumably acquire locks for both.
Looks like a copy/paste error, probably a result of a hasty conversion
cli()/sti()'s to spinlocks.
Regards,
MikaL
>
> --
> Bob Miller Email: rem@osdl.org
> Open Source Development Lab Phone: 503.626.2455 Ext. 17
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2002-09-23 18:42 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2002-09-22 7:25 kernel BUG at /usr/src/linux-2.5.37/include/asm/spinlock.h:123! Mika Liljeberg
2002-09-23 15:41 ` Bob Miller
2002-09-23 18:11 ` Mika Liljeberg
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox