Messages in this thread | | | Date | Tue, 26 Sep 2006 08:56:11 -0700 | From | Randy Dunlap <> | Subject | Re: 2.6.18: hda_intel: azx_get_response timeout, switching to single_cmd mode... |
| |
On Tue, 26 Sep 2006 17:48:33 +0200 Takashi Iwai wrote:
> At Tue, 26 Sep 2006 08:37:20 -0700, > Randy Dunlap wrote: > > > > On Tue, 26 Sep 2006 12:16:33 +0200 Takashi Iwai wrote: > > > > > At Mon, 25 Sep 2006 12:58:08 -0700, > > > Jeremy Fitzhardinge wrote: > > > > > > > > I have a ThinkPad X60 which uses the Intel 82801G HDA audio chip. This > > > > used to work for me, but lately (sometime during 2.6.18-rcX series) it > > > > stopped working - programs trying to use it tend to just block forever > > > > waiting for /dev/dsp. > > > > > > > > The only obvious symptom is: > > > > > > > > hda_intel: azx_get_response timeout, switching to single_cmd mode... > > > > > > > > appearing in the kernel log when booting. > > > > > > > > > > There is no big change relevant to TP X60 during 2.6.18rc, so I don't > > > think it's a regression in the hd-audio driver code. > > > > > > > Details attached. The dmesg output is for the FC6 distro kernel > > > > 2.6.18-1.2689.fc6PAE, but I see the same symptoms with 2.6.18-mm1. > > > > > > You must see difference with mm1 (suppose that mm1 already includes > > > the latest ALSA patches). When the CORB/RIRB interrupt gets broken, > > > the driver first switches to poling mode, then single_cmd mode as > > > fallback. > > > > > > Also, try disable_msi=1 option for mm1. MSI seems broken on some > > > systems. > > > > is that "pci=nomsi" ? > > No, snd-hda-intel driver has a new module option "disable_msi" to > disable MSI support on that driver. As default, it's off, i.e. MSI is > enabled if available. (Well, I feel it's better to rename it > enable_msi and set on as default...) > > Sorry for unclear text.
ugh. We shouldn't have drivers with such options IMO. I have seen/used MSI for ethernet, SATA, and audio. It either works for all of them or none of them AFAIK.
Why do you think that it should not just be a global system option/flag?
--- ~Randy - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |