--- On Wed, 2/17/10, Fernando Lopez-Lezcano <[email protected]> wrote:
> From: Fernando Lopez-Lezcano <[email protected]> > Subject: Re: [LAD] 2.6.31.x vs. rme vs. alsa 1.0.22? > To: "Raphaël Doursenaud" <[email protected]> > Cc: [email protected] > Date: Wednesday, February 17, 2010, 3:53 PM > On Wed, 2010-02-17 at 06:30 +0100, > Raphaël Doursenaud wrote: > > -----BEGIN PGP SIGNED MESSAGE----- > > Hash: SHA1 > > > > Le 17/02/2010 02:58, Fernando Lopez-Lezcano a écrit > : > > > Hey, has anyone been seeing strange behavior from > this combination? > > > > > > kernel 2.6.31.x rt20 + alsa > 1.0.22 userland > > > RME card (pcmcia card + > multiface) > > > > > > hdspmixer is not doing the right thing (does not > initialize the card in > > > a way in which playback works), it does not see > the hwdep interface (or > > > something like that) and disables metering, > alsamixer even segfaults > > > when I reach the end of the controls listed. > Plain weird. Smells like > > > something changed deep in the kernel that makes > alsa-lib very unhappy. > > > Alsa-tools rebuilt from source does not make a > difference. > > > > > > Weirdness goes away when I boot into 2.6.29.6 > rt23... > > > > > > Is there anything in alsa-* that depends on which > _kernel_ is available > > > at compile time? > > > > > Hi, > > > > I'm actually using a similar combination on my gentoo > without problem > > (PCI card). > > > > AFAIK the only difference between 2.6.30 and 2.6.31 > for the hdsp is a > > patch I made allowing the firmware to be built inside > the kernel. It > > should not have this kind of side-effect. > > The difference is between 2.6.29 and > 2.6.29 (I tested > with 31 but at > least another of my users is having a problem with 30). > > Firmware seems to be loading fine. > > > I'll check on my notebook with the PCMCIA card as soon > as I can. > > Thanks, would be good to know. > > > If you're using a custom built kernel you might want > to try with the > > firmware built-in. > > It does not look like it is the firmware, I think that when > the firmware > does not load the card does not even appear in alsa. The > problem I'm > seeing is userland confused about what the kernel can do > (or at least it > appears to be that way). Very weird. > > -- Fernando > > could it be the PCMCIA part ? I have the PCI version and both 2.6.31.x and 2.6.32 are working as they should with my RME HDSP and Multiface II. > _______________________________________________ > Linux-audio-dev mailing list > [email protected] > http://lists.linuxaudio.org/listinfo/linux-audio-dev > _______________________________________________ Linux-audio-dev mailing list [email protected] http://lists.linuxaudio.org/listinfo/linux-audio-dev
