On Sat, Jun 12, 2010 at 17:20:09 +0200, Olivier Berger wrote: > reopen 585600 > thanks > > Julien Cristau <jcristau@debian.org> writes: > > > So in summary your kvm switch doesn't pass edid along, so the kernel has > > no way to know what resolution the monitor supports, so it falls back to > > a presumably safe 1024x768 resolution. > > That would be a possible explanation, yes... however I'm not completely > sure... any way to try and confirm this diagnostic for sure ? > Get rid of the KVM switch, or try a useful one. > > I don't think there's a bug here, so I suggest you try setting the > > wanted resolution on the kernel command line (video=1280x1024 should > > work). Closing this bug, thanks for your report. > > > > I'd be perfectly happy to have one bug less open on the kernel, but I > think there's a problem here that is not fixed at all. Of course, I > could manage to workaround by passing args to the kernel, but that looks > like a regression from end user perspective : how comes that without KMS > things work OK, and with, it doesn't ? Maybe it could be reassigned to > another faulty package ? > They don't work ok without kms, if you need to override the panel size and ignore edid. > Maybe the problem is not with the kernel and with the X driver, then, as > I have : > Option "IgnoreEDID" "on" > Option "PanelSize" "1280x1024" > in /etc/X11/xorg.conf > > If I get it right, with KMS, if 1280x1024 is not detected as a valid > mode by the kernel, but then, shouldn't the PanelSize setting be > observed anyway by the radeon driver ? > I don't know. What does the X log look like with kms? Cheers, Julien
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