On Sun, 8 Dec 2002, Benny Sjostrand wrote:
> Hi!
>
> Just updated CVS tree and recompiled. Everything works OK execpt that I
> got this message in log
> when using Xmms with ALSA-plugin and OSS-plugin. Using aplay the message
> dont apear.
>
> Dec 8 13:40:16 cactus kernel: ALSA ../alsa-kernel/core/pcm_lib.c:176:
> BUG: stream = 0, pos = 0x4000, buffer size = 0x4000, period size = 0x200
> Dec 8 13:40:16 cactus kernel: ALSA ../alsa-kernel/core/pcm_lib.c:176:
> BUG: stream = 0, pos = 0x4000, buffer size = 0x4000, period size = 0x200
> Dec 8 13:40:16 cactus kernel: ALSA ../alsa-kernel/core/pcm_lib.c:110:
> BUG: stream = 0, pos = 0x4000, buffer size = 0x4000, period size = 0x200
> Dec 8 13:40:16 cactus kernel: ALSA ../alsa-kernel/core/pcm_lib.c:176:
> BUG: stream = 0, pos = 0x4000, buffer size = 0x4000, period size = 0x200
> Dec 8 13:40:16 cactus kernel: ALSA ../alsa-kernel/core/pcm_lib.c:176:
> BUG: stream = 0, pos = 0x4000, buffer size = 0x4000, period size = 0x200
> Dec 8 13:40:16 cactus kernel: ALSA
> ../../alsa-kernel/pci/cs46xx/dsp_spos_scb_lib.c:226:
> cs46xx_dsp_proc_free_scb_desc: freeing PCMReader_SCB0
> Dec 8 13:40:16 cactus kernel: ALSA
> ../../alsa-kernel/pci/cs46xx/dsp_spos_scb_lib.c:226:
> cs46xx_dsp_proc_free_scb_desc: freeing SrcTask_SCB0
>
> With the ALSA-plugin I got the message only one time, with the
> OSS-plugin it apears about a 1000 of times.
> (have not done any changes to the cs46xx driver yet, except what's in
> current CVS ;) )
It's definitely a bug in CS46xx driver. I've changed the test for the ring
buffer pointer to be in range 0 .. buffer_size-1 . pointer equal to
buffer_size doesn't make any sense and it should be really zero.
Jaroslav
-----
Jaroslav Kysela <[EMAIL PROTECTED]>
Linux Kernel Sound Maintainer
ALSA Project, SuSE Labs
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