Messages in this thread | | | Date | Mon, 04 Apr 2005 18:08:43 +0100 | From | Daniel Drake <> | Subject | Re: ALSA bugs with 2.6.12-rc1 |
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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.
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