[Bug 27470] Dual link DVI mode (2560x1920) on Dell 30" display unusable (distorted screen) on RV770 [Radeon HD 4850]

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Jan 6 09:38:16 PST 2011


https://bugs.freedesktop.org/show_bug.cgi?id=27470

--- Comment #8 from Alex Deucher <agd5f at yahoo.com> 2011-01-06 09:38:16 PST ---
I have a Dell 3008 WFP as well and it works on all cards I have access to
including an rv770. Perhaps there is a problem with one of your DVI ports? 
Does the other DVI port work any better?  Please attach your xorg log and dmesg
output with the latest kernel and also a copy of your vbios.  To get a copy of
your bios:
(as root)
(use lspci to get the bus id)
cd /sys/bus/pci/devices/<pci bus id>
echo 1 > rom
cat rom > /tmp/vbios.rom
echo 0 > rom

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