From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 89155] Dual monitor setup does not initialize
Date: Sun, 15 Feb 2015 13:53:52 +0000 [thread overview]
Message-ID: <bug-89155-502@http.bugs.freedesktop.org/> (raw)
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https://bugs.freedesktop.org/show_bug.cgi?id=89155
Bug ID: 89155
Summary: Dual monitor setup does not initialize
Product: DRI
Version: unspecified
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: DRM/Radeon
Assignee: dri-devel@lists.freedesktop.org
Reporter: adam.reichold@t-online.de
Created attachment 113508
--> https://bugs.freedesktop.org/attachment.cgi?id=113508&action=edit
journalctl -b | grep "\[drm"
I am running Arch Linux on an AMD A6-3500 with Radeon HD 6530D graphics on an
Gigabyte A55M-S2V mainboard. I just received updated X server to version 1.17.1
together with a rebuilt version 7.5.0 of the XFree86 ATI driver with the kernel
staying at 3.18.6.
I do have two Samsung monitors connected to the system, one via DVI and one via
VGA. This setup always initialized unreliably and I had to manually add modes
for the VGA-connected monitor using
xrandr --newmode "1680x1050_60.00" 146.25 1680 1784 1960 2240 1050 1053 1059
1089 -hsync +vsync
xrandr --addmode VGA-0 "1680x1050_60.00"
xrandr --output VGA-0 --mode "1680x1050_60.00"
for it to work at all. But after the update described above, the two monitors
never initialize properly anymore. Before the update, I sometimes had to
power-cycle (meaning switch off power not just a reboot) but it did eventually
work after two or three tries.
The reason I am reporting this as a Radeon DRM issue instead of an X server
problem is that my system log contains errors from the DRM driver about
"channel eq" and "clock recovery". I attached those logs grepped for "[drm".
Thank for your help and please tell me if I can provide any further information
to help diagnose this.
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next reply other threads:[~2015-02-15 13:53 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-15 13:53 bugzilla-daemon [this message]
2015-02-15 13:54 ` [Bug 89155] Dual monitor setup does not initialize bugzilla-daemon
2015-02-15 14:02 ` bugzilla-daemon
2015-02-16 17:29 ` bugzilla-daemon
2015-02-16 19:32 ` bugzilla-daemon
2015-08-15 13:12 ` bugzilla-daemon
2016-01-16 11:00 ` bugzilla-daemon
2019-11-19 9:01 ` bugzilla-daemon
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