Messages in this thread | | | Date | Fri, 9 Mar 2007 11:56:35 +0100 | From | Ingo Molnar <> | Subject | Re: [2/6] 2.6.21-rc2: known regressions |
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* Linus Torvalds <torvalds@linux-foundation.org> wrote:
> > disabling the following radeonfb options in the .config made resume > > work again: > > In general, don't even *try* to use radeonfb for suspend/resume. > > I don't think it has ever worked, except on some very rare laptops > (largely PPC Macs) where people had enough information to set up the > PLL's. > > I don't think the other framebuffer drivers are much better. > > You're better off using the VGA console, and lettign X re-initialize > the graphics device. That generally at least has a reasonably good > chance of working. > > Re-initializing graphics modes really is very hard. You can try with > the BIOS video hack (I forget the kernel command line to turn it on), > but we really do end up depending on X doing it better.
it's the s3_sleep boot option and /proc/sys/kernel/acpi_video_mode, but that didnt make a difference.
> Some day we may have modesetting support in the kernel for some > graphics hw, right now it's pretty damn spotty.
having no video is what i'd have expected - but getting a /hang/ is not what i'd have expected.
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