Adapter is a dual-DVI X1650 Pro with DVI-D connections to both displays: 01:00.0 0300: 1002:71c1 (rev 9e) 01:00.1 0380: 1002:71e1 (rev 9e) 01:00.0 VGA compatible controller: ATI Technologies Inc Radeon X1650 Pro (rev 9e) (prog-if 00 [VGA controller]) Subsystem: PC Partner Limited Device 0840 Flags: bus master, fast devsel, latency 0, IRQ 26 Memory at d0000000 (64-bit, prefetchable) [size=256M] Memory at feaf0000 (64-bit, non-prefetchable) [size=64K] I/O ports at d000 [size=256] Expansion ROM at feac0000 [disabled] [size=128K] Capabilities: [50] Power Management version 2 Capabilities: [58] Express Endpoint, MSI 00 Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit+ Kernel driver in use: radeon Kernel modules: radeon 01:00.1 Display controller: ATI Technologies Inc Radeon X1650 Pro (Secondary) (rev 9e) Subsystem: PC Partner Limited Device 0841 Flags: bus master, fast devsel, latency 0 Memory at feae0000 (64-bit, non-prefetchable) [size=64K] Capabilities: [50] Power Management version 2 Capabilities: [58] Express Endpoint, MSI 00 When using different modelines on the two displays, even if the resolution and refresh rate are the same, I see a "flickers" on one or the other display every 20 minutes or so.
Please attach your xorg log and config, and if you are using KMS, your dmesg.
Created attachment 33495 [details] Xorg.0.log (identical modelines)
Created attachment 33496 [details] dmesg (identical modelines)
Can you try this patch for KMS: http://people.freedesktop.org/~agd5f/0001-drm-radeon-kms-update-new-pll-algo.patch or xf86-video-ati git master for UMS? If you want to test UMS, add radeon.modeset=0 to your kernel command line.
(In reply to comment #4) > Can you try this patch for KMS: > http://people.freedesktop.org/~agd5f/0001-drm-radeon-kms-update-new-pll-algo.patch I tried to rebuild the Fedora kernel SRPM, with that patch added, but I can't get that patch to apply at all. What kernel version is it against?
(In reply to comment #5) > (In reply to comment #4) > > Can you try this patch for KMS: > > http://people.freedesktop.org/~agd5f/0001-drm-radeon-kms-update-new-pll-algo.patch > > I tried to rebuild the Fedora kernel SRPM, with that patch added, but I can't > get that patch to apply at all. What kernel version is it against? > It's against the drm-radeon-testing branch of airlied's drm tree: http://git.kernel.org/?p=linux/kernel/git/airlied/drm-2.6.git;a=shortlog;h=refs/heads/drm-radeon-testing Also, does the patch on bug 26668 help? It should apply to just about any recent kernel.
closing due to lack of feedback.
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