At Tue, 12 Feb 2008 18:59:44 +0100, Grzegorz Chwesewicz wrote: > > Tuesday 12 of February 2008 15:04:59 Takashi Iwai napisał(a): > > At Tue, 12 Feb 2008 16:00:51 +0200, > > > > Ustun ERGENOGLU wrote: > > > I have read the whole thread and I have the same exact problem of > > > recording with a realtek ALC861 codec on a ATI chipset board. My > > > harddisk controller is also using sata_sil module. I have this problem > > > for a long time too. Would the same patch solve the problem for me as > > > well? > > > > Well, the patch does have effect only when you enable MSI. And, MSI > > is disabled on many ATI chipsets as default unless you patch the > > kernel. I suggest it just to check whether any unknown IRQs are > > issued or the hardware is just screwed up. > > > > It looks like this is a generic problem of ATI SB chipset. Which > > model is it? SB450, SB460 or SB600? > > Below are results of my tests with patch from Takashi (and MSI enabled). > > Using arecord everytime ends in freezing machine. My laptop freezes exactly > when recording stops working. My test procedure looks like this: > > 1) on one console run arecord and see the output (You should see some garbage) > 2) on another console run cat /etc/* > 3) wait for freeze ;) > > Here is section from /var/log/messages (text in <> can be seen only on > console, syslog doesn't catch to save it to disk, and machine freezes): > > 1232171 Feb 12 18:38:15 ensima-hp [ 63.888029] ALSA > sound/pci/hda/hda_intel.c:1258: azx_pcm_prepare: bufsize=0x10000, > fragsize=0x2000, format=0x21 > 1232172 Feb 12 18:38:15 ensima-hp [ 63.888081] ALSA > sound/pci/hda/hda_codec.c:682: hda_codec_setup_stream: NID=0x4, stream=0x1, > channel=0, format=0x21 > 1232173 Feb 12 18:38:22 ensima-hp [ 70.913893] ALSA > sound/pci/hda/hda_codec.c:682: hda_codec_setup_stream: NID=0x4, stream=0x0, > channel=0, format=0x0 > 1232174 Feb 12 18:38:27 ensima-hp [ 75.885448] ALSA > sound/pci/hda/hda_intel.c:1258: azx_pcm_prepare: bufsize=0x10000, > fragsize=0x2000, format=0x21 > 1232175 Feb 12 18:38:27 ensima-hp [ 75.885490] ALSA > sound/pci/hda/hda_codec.c:682: hda_codec_setup_stream: NID=0x4, stream=0x1, > channel=0, format=0x21 > ####### Recording stops to work and machine freezes ####### > <XXX hda-intel: status=0> > <XXX hda-intel: status=0> > <XXX hda-intel: status=0> > <XXX hda-intel: status=0> OK, so actually uknown IRQs are triggered. This must be really a problem of ATI SB chipset. Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel