Hi, On Sun, Mar 15, 2009 at 10:21:17AM +0100, Andreas Mohr wrote: > Hi, > > On Mon, Nov 24, 2008 at 03:35:10PM +0100, Takashi Iwai wrote: > > At Sat, 22 Nov 2008 21:00:18 +0200, > > Maxim Levitsky wrote: > > > Finally, I found how to reproduce that bug, > > > I mean to get normal volume on internal mic, I have to increase volume > > > only on left or right channel. > > > > > > So, this happens always, and _only_ when recording _mono_ sound from internal > > > mic. > > > > > > Since hardware doesn't support hardware mono input, tested with -D hw:0 > > > I suspect this to be alsa-lib bug, any ideas? > > > Happens with arecord -D plughw:0 -c1 . > > > > What does show with -v option? > > OK, I could fully reproduce this now (sorry for the delay!). > > Currently 2.6.28, u8.10, model acer-aspire, libasound2 1.0.17a-0ubuntu4, > libasound2-plugins 1.0.17-0ubuntu5. Same microphone behaviour on 2.6.29-rc8 (additionally remembered to enable CONFIG_SND_HDA_HWDEP for further testing!), u9.04, model acer-aspire, libasound2 1.0.18-1ubuntu7, libasound2-plugins 1.0.18-1ubuntu4 (yes, I've just done some monster upgrade). Will try to eventually analyze things using your _HWDEP-related tools. 2.6.29-rc8, in contrast to several other kernel upgrade occasions, seems pretty solid so far, BTW. Andreas Mohr -- To unsubscribe from this list: send the line "unsubscribe kernel-testers" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html