Messages in this thread | | | Date | Mon, 4 Apr 2005 19:34:53 +0200 | From | Adrian Bunk <> | Subject | Re: ALSA bugs with 2.6.12-rc1 |
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On Mon, Apr 04, 2005 at 06:08:43PM +0100, Daniel Drake wrote: > David Ford wrote: > > It seems that 2.6.12-rc1 introduced an ALSA bug generating an oops for a > > null pointer. > > > > codec_semaphore: semaphore is not ready [0x1][0x300300] > > codec_read 0: semaphore is not ready for register 0x2c > > Unable to handle kernel NULL pointer dereference at virtual address > > 00000000 > > > > This happens on multiple machines, 32b and 64bit. I'll be happy to > > provide further information if needed. > > This only happens when you mismatch your kernel and alsa-lib versions, e.g. > running alsa-lib-1.0.9-rc2 with alsa-1.0.8 in-kernel drivers, or possibly > vice-versa.
Are you saying the userspace interface of the ALSA kernel drivers has incompatible changes between minor versions of ALSA?
If this is true, that's a serious bug.
> Daniel
cu Adrian
--
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