I've tried this driver again, and this time it was only able to detect
one screen. I'll try with a development version next time I reboot.
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Public bug reported:
My system has a Radeon HD 7750 and Radeon HD 6450, together driving 4 displays:
Left: VGA on 7750 via DisplayPort adaptor, 1280x1024
Middle: DVI on 7750, 1920x1080
Right: HDMI on 7750, 1680x1050
Top (above Middle): VGA on 6450, 1280x1024
With only Left, Middle and Right
** Attachment added: syslog reporting GPU lockup
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/1243311/+attachment/3887591/+files/gpu-lockup.syslog.log
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Further research: when attempting to place the top screen in any other
position (left, right, or below other displays), it displays the same
noise, but the system doesn't hang. Syslog and kern.log are spammed with
a new message:
Oct 22 13:08:28 guilmon kernel: [ 1105.381816] radeon :02:00.0:
** Attachment added: Xorg.0.log of issue
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/1243311/+attachment/3887593/+files/gpu-lockup.Xorg.0.log
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** Attachment added: kern.log reporting GPU lockup
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/1243311/+attachment/3887592/+files/gpu-lockup.kern.log
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Actually, I guess it's not even non-rectangular configurations that
cause this issue - after changing them to a wide rectangular
configuration, DVI-1 still displays the region from 1280x1024+0+0 (which
is now also displayed on the topmost screen), while xrandr still claims
it's 1920x1080+2560+0.
Public bug reported:
In Lubuntu 13.04, I have an unusual display configuration: three
monitors arranged horizontally and a fourth centred above them. This
worked fine in 12.04; after upgrading, the middle display is not working
correctly.
xrandr --output DVI-1 --mode 1920x1080 --rate 60
I should probably also mention that all four displays are connected to
an ATI HD 5700.
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https://bugs.launchpad.net/bugs/1184063
Title:
With nonrectangular
apport information
** Tags added: apport-collected raring
** Description changed:
In Lubuntu 13.04, I have an unusual display configuration: three
monitors arranged horizontally and a fourth centred above them. This
worked fine in 12.04; after upgrading, the middle display is not working
Failures are getting more frequent and varied... this is more likely a
hardware issue. But I guess spamming the system log like that isn't a
good thing either, so there's still a minor bug there.
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Public bug reported:
Yesterday while my system was not being used, the GPU suddenly crashed,
as indicated by syslog:
Jun 5 08:11:46 akira kernel: [41332.336031] radeon :02:00.0: GPU lockup CP
stall for more than 1msec
Jun 5 08:11:47 akira kernel: [41332.336040] GPU lockup (waiting for
Oddly enough doing nothing for 60 days hasn't fixed this.
An interesting side effect when this happens is that mouse clicks lag
severely or get dropped entirely.
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*** This bug is a duplicate of bug 824099 ***
https://bugs.launchpad.net/bugs/824099
I think bug #824099 might be related to framebuffer size (plugging in
the extra screen makes the display area bigger) and may well be the same
issue as bug #789385, whereas this bug relates to max texture
Public bug reported:
Just run any program that captures the screen (xcfe4-screenshoter, gtk-
recordmydesktop), and X crashes a few seconds later. Capturing
individual windows works fine.
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: xorg 1:7.6+4ubuntu3.1
ProcVersionSignature: Ubuntu
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https://bugs.launchpad.net/bugs/808903
Title:
Screen capture crashes X
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Public bug reported:
Occasionally I get a message in kern.log:
Jul 7 22:21:10 akira kernel: [86591.720160] irq 24: nobody cared (try booting
with the irqpoll option)
Jul 7 22:21:10 akira kernel: [86591.720167] Pid: 5016, comm: kworker/0:4 Not
tainted 2.6.38-8-generic #42-Ubuntu
Jul 7
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https://bugs.launchpad.net/bugs/807359
Title:
Disabling IRQ #24 message followed by extremely slow redrawing
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Actually it looks like what I was experiencing was Bug #789385 - a very
similar and related issue, but not the same bug.
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https://bugs.launchpad.net/bugs/745839
Title:
[Xpress
Public bug reported:
Binary package hint: xorg
Any time I try to capture a screenshot of the entire screen, with any program,
Xorg crashes. Screenshots of individual windows work OK.
Even using select a region with the Screenshot plugin for Xfce4-panel causes
a crash as soon as I click the
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https://bugs.launchpad.net/bugs/782552
Title:
[xorg-edgers] Xorg crash (SIGSEGV) when taking screenshot
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Mailing list:
Just tested, this occurs with the X server shipped with Natty as well,
so this isn't an xorg-edgers issue.
** Summary changed:
- [xorg-edgers] Xorg crash (SIGSEGV) when taking screenshot
+ Xorg crash (SIGSEGV) when taking screenshot
** Tags removed: edgers
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This issue has an interesting symptom on my Radeon X300SE. Compiz
appears to be starting normally, but just as it finishes the screen
turns into a jumbled mess of my desktop wallpaper. More interesting is
if I enable Enhanced Zoom Desktop and zoom in or out, the screen
alternates between that
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