Re: Alsa and hdspmixer segfault

[Takashi Iwai <tiwai@suse.de>]

At Fri, 1 Oct 2004 09:26:37 -0600,
thewade wrote:
> 
> Hello!
> 
> I have just built standard kernel 2.6.9-rc3 on my AMD 64 laptop and
> with the patch written by Takshi Iwai (and viewable at http://www.aproximation.org/application/AMD64laptop.html#audio)
> my hammerfall accecpts the firmware! Unfortunately now the 
> hdspmixer wont start.

At first, try to get CVS version of alsa-lib and alsa-tools, and
install them.

> HDSPMixer 1.6 - Copyright (C) 2003 Thomas Charbonnel <thomas@undata.org>
> This program comes with ABSOLUTELY NO WARRANTY
> HDSPMixer is free software, see the file COPYING for details
> 
> Looking for HDSP cards :
> Card 0 : SiS SI7012 at 0xe800, irq 169
> Card 1 : RME Hammerfall DSP + Multiface at 0x40800000, irq 209
> Multiface found !
> 1 Hammerfall DSP card found.
> Initializing default presets
> Segmentation fault
> 
> /var/log/messages
> Oct  1 09:17:26 musicbox kernel: hdspmixer[3106]: segfault at 00000000000003e0 rip 0000003092b6d075 rsp 0000007fbfffeaf8 error 4

Run hdspmixer on gdb.  You can catch the point of segfault.
The stack trace would really helpful for debugging.


> I saw some patches for hdspmixer go through the list, but they were
> for levels errors (I still have them if they turn out to be a fix).
> 
> If it helps, the mixer window flashes on the screen for the briefest
> second.
> 
> Thanks for the help!
> -thewade
> p.s. I have 2.6.9-rc3 kernel. I get errors when I try to apply the
> latest low latency patch:
> http://people.redhat.com/mingo/voluntary-preempt/voluntary-preempt-full-2.6.9-rc2-mm4-S7
> Any tips? (hdspmixer is more important than this)

What errors?


Takashi


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