[Pkg-alsa-devel] Bug#546642: Bug#546642: alsa-utils: alsactl segfaults

[Elimar Riesebieter]

* Cristian Ionescu-Idbohrn [091017 11:32 +0200]
> I just found out by accident about this:
> 
> 	http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=7;bug=546642
> 
> That message never reached my inbox :(  Picked up the mbox; trying to
> provide 'moreinfo', as I'm still seeing those messages:
> 
> /var/log/dmesg:[   24.038697] alsactl[1342]: segfault at 0 ip 080580db sp bf947f00 error 4 in alsactl[8048000+13000]
> /var/log/dmesg:[   24.086102] alsactl[1341]: segfault at 0 ip 080580db sp bf850a90 error 4 in alsactl[8048000+13000]
> /var/log/dmesg:[   24.228787] alsactl[1343]: segfault at 0 ip 080580db sp bfb3ce30 error 4 in alsactl[8048000+13000]
> /var/log/dmesg:[   24.232614] alsactl[1344]: segfault at 0 ip 080580db sp bfd8b950 error 4 in alsactl[8048000+13000]
> /var/log/dmesg:[   24.498297] alsactl[1454]: segfault at 0 ip 080580db sp bfa17c80 error 4 in alsactl[8048000+13000]
> /var/log/dmesg:[   24.503374] alsactl[1455]: segfault at 0 ip 080580db sp bff0c3d0 error 4 in alsactl[8048000+13000]
> 
> On Mon, 14 Sep 2009, Elimar Riesebieter wrote:
> 
> > tags 546642 moreinfo
> > thanks
> >
> >
> > * Cristian Ionescu-Idbohrn [090914 21:20 +0200]
> > > Package: alsa-utils
> > > Version: 1.0.20-3
> > > Severity: normal
> > >
> > > Keep seeing these in my logs:
> > >
> > > # zegrep alsa /var/log/dmesg*
> > > /var/log/dmesg:[   22.996542] alsactl[2310]: segfault at 0 ip 080580db sp bfa67800 error 4 in alsactl[8048000+13000]
> >
> > Could you please run 'alsactl init' and look for a core file in the
> > dir where you startet alsactl?
> 
> No segfault and no core file here.  Just:
> 
> ,----
> | Unknown hardware: "Audigy2" "SigmaTel STAC9750,51" "AC97a:83847650" "0x1102" "0x1021"
> | Hardware is initialized using a guess method
> `----

This is probably fixed in 1.0.21


> > Another idea: What tells df ?
> 
> Hm...  Don't follow you.  What kind of useful info would df provide?

Sometimes a full partition (i.e. /var) confuses applications like
alsactl....


> 
> > Another: delete /var/lib/alsa/asound.state and run alsactl store.
> 
> No dice :(  No segfault.
> 
> > Well, at the moment I can only ask my oracle.
> 
> That guy stopped speaking to me a long time ago :)

Has gone here as well ;)


> 
> > Can your hear sound at all and control it via 'alsamixer'?
> 
> Yes and yes.
> 
> Maybe the attached dmesg fragments may provide a broader picture of
> what's going on att boot?
> 
> Cheers,
> 
> -- 
> Cristian

[...]
> [   13.214015] EMU10K1_Audigy 0000:05:03.0: PCI INT A -> GSI 19 (level, low) -> IRQ 19
> [   13.217967] Audigy2 value: Special config.

Hmm, I can't verify this. Audigy2 is very new in alsa and I don't
have such a device handy.

> [   13.862854] input: ImExPS/2 Logitech MX Mouse as /devices/platform/i8042/serio1/input/input4
> 
> ...snip...
> 
[...]
> [   23.893585] REISERFS (device md6): Using r5 hash to sort names
> [   24.038697] alsactl[1342]: segfault at 0 ip 080580db sp bf947f00 error 4 in alsactl[8048000+13000]
> [   24.086102] alsactl[1341]: segfault at 0 ip 080580db sp bf850a90 error 4 in alsactl[8048000+13000]
> [   24.135645] REISERFS (device md7): found reiserfs format "3.6" with standard journal
> [   24.182111] REISERFS (device md7): using ordered data mode
> [   24.228787] alsactl[1343]: segfault at 0 ip 080580db sp bfb3ce30 error 4 in alsactl[8048000+13000]
> [   24.232614] alsactl[1344]: segfault at 0 ip 080580db sp bfd8b950 error 4 in alsactl[8048000+13000]

That looks like /var is full. REISERFS + encryptet + softraid ->
maybe a filesystem is corruptet.
[...]

Please check your filesystems, try 1.0.21 and report again.

Elimar

-- 
  Excellent day for drinking heavily. 
  Spike the office water cooler;-)