On Mon, 2005-11-21 at 19:27 +0000, Pete Leigh wrote: > On 21/11/05, Lee Revell <rlrevell@xxxxxxxxxxx> wrote: > > On Mon, 2005-11-21 at 18:28 +0100, Christoph Eckert wrote: > > > > OTOH I heard that ACPI should be better disabled for audio kernels, so I > > > did. > > > This doesn't really apply anymore, the kernel bugs in question are > > thought to be fixed. I run with ACPI enabled now and have not had a > > problem in months. > > I've been wondering about the 'acpi over smm' problems mentioned > on this list in Oct '04 for a while now - the problem doesn't seem to > get mentioned, yet I couldn't find a resolution in the list archives > (I could have missed it though). > > (I mean the thread "Latency issues with laptops", at > http://music.columbia.edu/pipermail/linux-audio-user/2004-October/016545.html ) > > Does anyone know what the current state of play with this is? > > Did the blacklist ever materialise, and is there any method of detecting > whether a particular laptop has the issue? Not really. Acer laptops seem particularly bad. And, it turns out that some chipsets have a way to disable SMM, which is used by RTAI, so maybe this can be worked around. But, as the problem is broken hardware, there will never be a real fix. The best approach is probably to ask on this list whether anyone has tried a particular laptop. Lee
