[Bug 298480] New: when changing desktop orientation 90 degrees, then allowing timeout, get a mostly black screen
peter.maloney at brockmann-consult.de
peter.maloney at brockmann-consult.de
Fri Apr 20 12:27:39 BST 2012
https://bugs.kde.org/show_bug.cgi?id=298480
Bug ID: 298480
Severity: major
Version: 1.0
Priority: NOR
Assignee: unassigned-bugs at kde.org
Summary: when changing desktop orientation 90 degrees, then
allowing timeout, get a mostly black screen
Classification: Unclassified
OS: Linux
Reporter: peter.maloney at brockmann-consult.de
Hardware: openSUSE RPMs
Status: UNCONFIRMED
Component: general
Product: systemsettings
When changing desktop orientation 90 degrees, clicking apply, and then letting
it timeout so the settings go back to normal, most of the screen is black. I
also tried 270 degrees, with the same result.
Hitting ALT+TAB and holding it shows the task switcher, but releasing and
hitting tab again does not update the on screen switcher (but will switch to
the next application).
The system settings window wasn't possible to find, so I couldn't try fixing it
from the gui. To fix it, I unplugged my video cable, and plugged it back in,
which I know normally pops up the "a new monitor was connected" dialog, and I
thought maybe it would fix it. In this case, that dialog didn't pop up, but it
fixed it anyway.
Reproducible: Always
Steps to Reproduce:
1. open "systemsettings"
2. go to hardware/display and monitor/size & orientation
3. change orientation to 90 or 270 degrees
4. hit apply
5. wait until the timer runs out so it switches back
Actual Results:
The top 85% or so of the screen is black. Windows moved onto it are hidden by
the blackness, but they respond to clicks, and make the mouse cursor change
when hovering (eg. resize icon, text icon). Alt+F2 doesn't make the command box
show up correctly (looked blurry and green like it was just the desktop plus
transparency effect rather than the box itself; but my desktop is blue, white
and grey cloud stuff, not green). The ALT+TAB display is affected but visible.
CTRL+ALT+F1 worked fine, giving me the graphical text mode console (the first
one is graphical in openSUSE, and the rest normal).
Also my virtualbox screen was taking 100% CPU, as seen in top viewed in
terminal 1.
Expected Results:
I should have a normal looking screen like before hitting "Apply"
I am using the "System Load Viewer" widget; I removed that thing with the 3
colored lights that was on the left (no idea what it is), and the defaults for
everything else. (clock, tray, notifier, desktop switcher).
I didn't install any special video drivers.
I think my gfx card says "Quadro FX on it", and here is the "hwinfo --gfxcard"
output:
38: PCI 400.0: 0300 VGA compatible controller (VGA)
[Created at pci.319]
Unique ID: [snip]
Parent ID: [snip]
SysFS ID: /devices/pci0000:00/0000:00:03.0/0000:04:00.0
SysFS BusID: 0000:04:00.0
Hardware Class: graphics card
Model: "nVidia GT200 [GeForce GTX 260]"
Vendor: pci 0x10de "nVidia Corporation"
Device: pci 0x05e2 "GT200 [GeForce GTX 260]"
Revision: 0xa1
Driver: "nouveau"
Driver Modules: "drm"
Memory Range: 0xfa000000-0xfaffffff (rw,non-prefetchable)
Memory Range: 0xd0000000-0xdfffffff (ro,non-prefetchable)
Memory Range: 0xf8000000-0xf9ffffff (rw,non-prefetchable)
I/O Ports: 0xac00-0xac7f (rw)
Memory Range: 0xfb880000-0xfb8fffff (ro,non-prefetchable,disabled)
IRQ: 24 (52328 events)
I/O Ports: 0x3c0-0x3df (rw)
Module Alias: "pci:v000010DEd000005E2sv00000000sd00000000bc03sc00i00"
Driver Info #0:
Driver Status: nvidiafb is not active
Driver Activation Cmd: "modprobe nvidiafb"
Driver Info #1:
Driver Status: nouveau is active
Driver Activation Cmd: "modprobe nouveau"
Config Status: cfg=no, avail=yes, need=no, active=unknown
Attached to: #10 (PCI bridge)
Primary display adapter: #38
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