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

[Takashi Iwai]

At Tue, 14 Oct 2008 09:17:08 +0400,
The Source wrote:
> 
> Alexey Bazhin пишет:
> > On Mon, 13 Oct 2008 18:05:49 +0200
> > Takashi Iwai <tiwai at suse.de> wrote:
> >
> >   
> >> At Mon, 13 Oct 2008 18:02:08 +0200,
> >> I wrote:
> >>     
> >>> At Mon, 13 Oct 2008 17:43:03 +0200,
> >>> I wrote:
> >>>       
> >>>> For example, the latest snapshot I uploaded now has
> >>>> alsa-kernel/HEAD: a3e1ef74a8ec8b6e3c30f7aa06c5d5d2f2bea7a9 Merge
> >>>> branch 'topic/sbxfi'
> >>>>         
> >>> ... and again updated to:
> >>>   5d425dd626d107ff2b2ea97c27068f7ee4b36dd1 Merge branch
> >>> 'topic/sbxfi'
> >>>       
> >> So, guys, please check the latest one.
> >>
> >> If the hang up still occurs with this version, then try to define
> >> XXX_SYSTEM_TIMER in sbxfi.c, which is undefined as default.
> >> With this build option, the driver will use the system timer instead
> >> of emu20k1 timer irqs.
> >>
> >> If this still doesn't help, try to remove all spinlocks.  That is,
> >> just comment out all spin_lock*() and spin_unlock*() calls to avoid
> >> spin deadlocks.  Of course, it can be racy, but better than a spin
> >> deadlock.
> >>     
> >
> > Now it doesn't hangs :) but speakers-test produces crackling sine and
> > fails on test...
> >
> > root at mayonaka:~# speaker-test -c 2 -r 96000 -t
> > sine                                                                                                            
> >
> > speaker-test 1.0.15
> >
> > Playback device is default
> > Stream parameters are 96000Hz, S16_LE, 2 channels
> > Sine wave rate is 440.0000Hz
> > Rate set to 96000Hz (requested 96000Hz)
> > Buffer size range from 32 to 16384
> > Period size range from 32 to 16384
> > Using max buffer size 16384
> > Periods = 4
> > was set period_size = 4096
> > was set buffer_size = 16384
> >  0 - Front Left
> > Write error: -5,Input/output error
> > xrun_recovery failed: -5,Input/output error
> > Transfer failed: Operation not permitted
> >
> > Also i tried mplayer, 96khz works almost fine (very rare cracklings),
> > 48khz plays slow (like playing 96khz sample on 48khz rate without
> > resampling), 44.1khz doesn't work at all (mplayer doesn't even
> > show that it plays).
> >
> > Master control on mixer seems to be working fine.
> >
> >   
> 
> ftp://ftp.kernel.org/pub/linux/kernel/people/tiwai/snapshot/alsa-driver-unstable-snapshot.tar.bz2
> Is that the right URL for latest X-Fi snapshots?

Yes.  And check HEAD files in the tarball.


Takashi