[alsa-devel] Backported sbxfi driver (UNTESTED!)

[The Source]

Takashi Iwai ?????:
> At Fri, 10 Oct 2008 20:39:48 +0400,
> The Source wrote:
>   
>> 2008/10/10 Takashi Iwai <tiwai at suse.de>
>>
>>     At Fri, 10 Oct 2008 01:26:15 -0500,
>>     Ted T. Logian wrote:
>>     >
>>     >
>>     >
>>     > On Fri, 2008-10-10 at 08:01 +0200, Takashi Iwai wrote:
>>     > > At Thu, 09 Oct 2008 15:17:58 -0500,
>>     > > Ted T. Logian wrote:
>>     > > >
>>     > > > Sorry for the multiple posts, but once I rmmod snd-sbxfi, running
>>     mixer does
>>     > > > fine.  It seems if I have snd-sbxfi loaded and I run alsamixer, it
>>     locks the
>>     > > > entire system.
>>     > >
>>     > > So, do you mean loading the driver itself doesn't lock up?  If so,
>>     > > it's better than I expected.
>>     > >
>>     > > Did you run ever PCM playback/capture before that?  This is more
>>     > > dangerous :)
>>     > >
>>     > > Also, please give your hardware details, as there are different models
>>     > > for X-Fi, and some are handled pretty differently.
>>     > >
>>     > > [BTW, please stop top-posting, and avoid HTML mails for ML.  It's easy
>>     > >  to switch to normal (plain) mail mode on Gmail, just a click.]
>>     > >
>>     > >
>>     > > thanks,
>>     > >
>>     > > Takashi
>>     >
>>     >
>>     > I think perhaps from uninstalling pulseaudio I got further.  I can use
>>     > mixer now, and it even has a "Master" device, but nothing else...
>>     >
>>     > however, I do get a lock up later.
>>     >
>>     > I get this from running aplay, too, if this helps...
>>    
>>     Thanks!  That's rather a stupid bug.
>>     The patch is below.
>>
>>     Takashi
>>    
>>     diff --git a/sound/pci/sbxfi/sbxfi.c b/sound/pci/sbxfi/sbxfi.c
>>     index 8066bf4..8a0eea0 100644
>>     --- a/sound/pci/sbxfi/sbxfi.c
>>     +++ b/sound/pci/sbxfi/sbxfi.c
>>     @@ -831,7 +831,7 @@ static struct sbxfi_port *sbxfi_port_alloc(struct
>>     sbxfi *chip,
>>            port->src[0] = src;
>>            port->src[1] = src + 1;
>>            spin_lock_irq(&chip->port_lock);
>>     -       list_add(&chip->port_list, &port->list);
>>     +       list_add(&port->list, &chip->port_list);
>>            spin_unlock_irq(&chip->port_lock);
>>            return port;
>>      }
>>     _______________________________________________
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>>     Alsa-devel at alsa-project.org
>>     http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
>>
>> Hello, I have tried the driver with the fix you provided, but I couldn't get
>> anything. Kernel panic on any attempt to use sound or mixer. Also kernel panic
>> several seconds after Xorg starts. Each crash causes either hang or reboot so
>> I couldn't get any error messages. If there are some logs left, please tell me
>> where they are and I'll send them to you.
>> My card is X-Fi Platinum Fatality Champion Series.
>>     
>
> For testing, first try without X but just use Linux console, so that
> you have a better chance to see Oops messages.  It's pretty important
> to see whether it's an Oops or a panic.  Also, double-check whether
> you really installed the corrected drivers.  Often it's missing in the
> right place by stupid reasons.
>
> For first tests, don't use any sound server.  Try with aplay like:
> 	% aplay -Dhw foo.wav
> Try first 96kHz samples, 48kHz samples, and then others.
>
>
> thanks,
>
> Takashi
>
>   
aplay in console causes reboot, sorry.