https://bugs.freedesktop.org/show_bug.cgi?id=51652
Bug #: 51652
Summary: [6550D SUMO] problems with secondar monitor on VGA,
causing GPU lockups
Classification: Unclassified
Product: DRI
Version: XOrg CVS
Platform: x86-64 (AMD64)
OS/Version: Linux (All)
Status: NEW
Severity: critical
Priority: medium
Component: DRM/Radeon
AssignedTo: dri-devel@lists.freedesktop.org
ReportedBy: d.ok...@gmail.com
Created attachment 63701
--> https://bugs.freedesktop.org/attachment.cgi?id=63701
dmesg_VGAonBootConnected.txt
1) when is computer booted with VGA connected, ends with repeatly restarting
GPU
2) when is monitor connected on-fly in running Xorg, it seems fine (except
small artifacts, i guess EXA, on screen mostly on top of DVI and bottom VGA
trigerred by switching KDE virtual desktops). No errors in dmesg
3) when is DPMS activated and monitors suspends, back to online is returned
only DVI
4) randomly I found:
[drm:radeon_dp_link_train_cr] *ERROR* clock recovery reached max voltage
[drm:radeon_dp_link_train_cr] *ERROR* clock recovery failed
5) out-topic, exist even only on DVI: when is enabled OGL KWIN and OpenGL video
render, color of rendered context goes to white (every frame is whitier, until
it's #ffffff)
No HDMI or DP conneted to system.
DVI-D: LG IPS235 1920x1080
VGA: ASUS VW224 1680x1050
Gentoo ~amd64
Kernel,libdrm,mesa,ddx: git, KMS
I'm able to test patches against anything.
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