lkml.org 
[lkml]   [2005]   [Apr]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: ALSA bugs with 2.6.12-rc1
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

--

"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed

-
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/

\
 
 \ /
  Last update: 2005-04-06 13:31    [W:0.044 / U:0.896 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site