http://bugs.freedesktop.org/show_bug.cgi?id=26787
Summary: Radeon HD 4650 black screen at 2560x1600
Product: xorg
Version: git
Platform: x86-64 (AMD64)
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: Driver/Radeon
AssignedTo: [email protected]
ReportedBy: [email protected]
QAContact: [email protected]
Using a Radeon HD 4650 with a LG W3000H screen, with either git drivers or the
ones that come with the ubuntu lucid beta, results in a black screen on boot.
When attaching a second screen and switching to a lower resolution the screen
works, switching back up again gives a black screen.
Since the card should be able to do this and it works fine with an Nvidia card
using nouveau, this leads me to believe this to be a driver bug.
I haven't tried in with the proprietary ati driver since I couldn't get it to
work.
Attached are Xorg and dmesg logs, the Xorg logs also have a Samsung screen in
them since I wouldn't have been able to switch resolutions without it.
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