Re: snd-ioctl32 is failing on x86_64 (no crashes, just errors)

[Takashi Iwai <tiwai@suse.de>]

At Thu, 6 Jan 2005 22:06:50 +0900,
Georgi Georgiev wrote:
> 
> Running a 32-bit version of any application fails with:
> 
> amixer: Mixer hw:0 load error: Invalid argument
> 
> for example. I have snd-ioctl32 loaded properly (lsmod shows it).

Try strace amixer and see which ioctl failed.  Maybe it's the size
mismatching of argument, or an unimplemented ioctl.

> Kernel is vanilla 2.6.10 and I just tried it with version 1.0.8rc2 of
> alsa-driver. Also, alsa-lib and alsa-utils version 1.0.8rc2 are
> installed in my 64-bit environment, and also in the 32-bit chroot env
> where I am trying to run amixer from. The distro is Gentoo, and I also
> have their alsa-headers-1.0.8_rc2 installed in the 32-bit chroot.

ALSA ioctl32 in 2.6.10 or older is buggy.  Try to avoid it.


Takashi


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