Re: 1.0.0pre1: au88x0 driver locks up kernel

[Takashi Iwai <tiwai@suse.de>]

At Thu, 20 Nov 2003 00:42:33 -0500,
Carolyn and Eric Hathaway wrote:
> 
> I'm running RedHat 7.3 (RH kernel 2.4.20-20.7, gcc 2.96-113), and have a
> generic Aureal Vortex 1 card (au8820 chipset).  Compiling and installing
> the 1.0.0pre1 ALSA driver works fine, but if I do a 'modprobe
> snd-au8820', the computer locks up instantly (can't even ssh in from
> another computer).
> 
> Going back through recent CVS commits, I found that the problem is
> caused by the changes described in the following alsa-cvslog message:
> 
> http://sourceforge.net/mailarchive/message.php?msg_id=6552838
> 
> Specifically, the problem is caused by the changes Takashi made to
> au88x0.h and au88x0.c to eliminate calls to pci_request_regions() and
> pci_release_regions().  If I revert those two files to their previous
> versions, the driver compiles and works fine.  I'm not an ALSA driver
> guru, but I didn't see anything immediately wrong with the changes
> introduced by the above CVS commit that would cause such a drastic
> kernel error.  Perhaps someone more familiar with the code in question 
> could take another look at those changes?

hmm, i don't see where hits the bug, but if the older version really
works, i'm willing to revert to it.  it'd be anyway better to add two
wrapper functions for 2.2.


thanks,

Takashi


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