From: Takashi Iwai <[EMAIL PROTECTED]> To: "Lisandro Pin" <[EMAIL PROTECTED]> CC: [EMAIL PROTECTED] Subject: Re: [Alsa-devel] SIS7012 works but get's frozen Date: Tue, 22 Jul 2003 18:47:25 +0200
At Tue, 22 Jul 2003 16:43:16 +0000,
Lisandro Pin wrote:
>
> > > I also have a ECS K7S5A, and i experienced something funny while
> >trying
> > > to play the attached file (about 45k, sorry, it's the only way :). It's
> >an
> > > old ICQ soundclip i wanted to use to warn me of new mail, so i hope i'm
> >not
> > > breaking any laws here; but the thing is that trying to play it directly
> > > through ALSA freezes it about 1/2 of the clip. No errors on aplay (or
> >any
> > > other player for that sake), just a seg fault. The interesting part is
> >that
> > > using a wrapper like arts or esd the file plays just fine.
> >
> >could you elaborate the status "freeze"?
> >does machine still respond? or a kernel panic?
> >if it's a kernel oops, please trace it via ksymoops program.
>
> No, just the program. aplay segfaults at about half the clip and XMMS
> simply halts and needs to be killed (again, no error message). The machine
> keeps on going but ALSA is mute until the "offending" program ends.
hmm, segfaults is evil. can you get aplay in gdb running? you might need to set LD_PRELOAD=/usr/lib/libasound.so.2 to load the plugins before starting gdb.
(gdb) run ~/newmail.wav The program being debugged has been started already. Start it from the beginning? (y or n) y
Starting program: /usr/bin/aplay ~/newmail.wav
(no debugging symbols found)...(no debugging symbols found)...
(no debugging symbols found)...(no debugging symbols found)...[New Thread 16384 (LWP 30679)]
Playing WAVE '/home/lys/newmail.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Mono
(no debugging symbols found)...(no debugging symbols found)...
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 16384 (LWP 30679)]
0x4fb68445 in snd_pcm_route_convert1_one () from /usr/lib/libasound.so.2
Pretty useless. Could you give me some indications on how to do a quick make of aplay with the symbols table loaded?
> > > PS: Is PCM volume planned to be implemented for the
> >SIS7012/snd-intel8x0
> > > driver in any fashion? The driver sounds great and it's the only thing
> > > lacking...
> >
> >check which ac97 chip is found. if it's a CMI chip, there is no PCM
> >volume control indeed.
>
> Nup, a SiS one.
really? please show /proc/asound/card0/ac97#0 and /proc/asound/card0/ac97#0regs ?
"0-0/0: C-Media Electronics CMI9738". You were right; it lists as "SiS7012" in /proc/pci. My bad!
Lys.
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