On Mon, 2008-11-10 at 17:29 +0000, Matthew Garrett wrote: > On Mon, Nov 10, 2008 at 05:26:35PM +0000, Sergio Monteiro Basto wrote: > > Hi, About this _DOS , I reported this problem a long time ago, which now > > is on http://bugzilla.kernel.org/show_bug.cgi?id=6001 > > Could you put yours comment on it ? > > > > On fedora stock kernel, appears one patch, (Now I see that you are the > > author :) ) > > > > I tested your patch and it works for me ! > > Yeah, that's the "safe" patch which stops us executing the codepath that > breaks, but also means I don't get display switch events. Having it set > to 1 means executing BIOS code that's likely to interfere with the rest > of the system, so a crash isn't surprising. Are you talking about 1st or 2nd parameter ? I prefer "return acpi_video_bus_DOS(video, 1, 0);" (which is the original code, before last change on kernel vanilla) > But a setting of 0 *should* > be safe, and I'm quite confused as to why it's exploding. The second parameter ? I got some instability (after resume from disk) with a kernel-2.6.27.4-79, which have yours patch, but I am far to be sure that is related. Thanks, -- Sérgio M. B.
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