> On Thu, 08 Nov 2007 14:49:33 -0500 Mark Lord <liml@xxxxxx> wrote: > Andrew Morton wrote: > >> On Thu, 8 Nov 2007 13:19:05 -0500 Jeff Garzik <jeff@xxxxxxxxxx> wrote: > >> On Thu, Nov 08, 2007 at 10:13:41AM -0800, Andrew Morton wrote: > >>>> On Thu, 8 Nov 2007 13:02:56 -0500 Jeff Garzik <jeff@xxxxxxxxxx> wrote: > >>>> On Thu, Nov 08, 2007 at 09:49:58AM -0800, Andrew Morton wrote: > .. > >>> I suspect it wold be best to disable the feature for the 2.6.24 release, > >>> then reenable it afterwards and keep doing this until the code is > >>> sufficiently stable. > >> Re-read my message :) > >> > >> The code is stable. Behavior _by definition_ will vary by BIOS. > >> > >> This feature (a) enables suspend/resume, but (b) now sends random > >> unvalidated shite to the device that we hope will work. > >> > >> Look at all the messages where turning on ACPI in libata _fixed_ > >> suspend/resume (because its obviously required for many, including > >> laptops). > > > > We fixed a somewhat-known number of machines and broke an unknown number. > > Linus will come after you with a pointy stick if he finds out. > > > > Fixing previously-broken machines is nice, but breaking previously-working > > ones gets people a lot more upset. > > > >> So it's not an easy "turn it off" answer, you break shitloads of > >> suspend/resume that way, that we just fixed. > >> > >> The message "_GTF unexpected object type" indicates a broken BIOS, so > >> IMO we should proceed in that direction, blacklisting that platform. > >> > > > > Suggest that the feature be disabled until we have most of these > > blacklistings in place. > .. > > The problem is, this code has already sat out the last release, > and nobody noticed problems exactly because it was not enabled before. > > If Jeff disables it again, then it will sit out another cycle without > anybody exercising it. At some point, we need to turn it on, and collect > information about where there are problems (and fix them). > We get a decent amount of testing during the -rc's. I think it's OK to turn a feature on during -rc and off for release while it gets settled in. Hopefully Matthew's fix will address this particular problem. - To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
