Red Hat Bugzilla – Bug 428986
rawhide KDE 4 Live CD locks up at light blue screen
Last modified: 2013-01-09 23:32:39 EST
Description of problem:
When booting off the rawhide KDE 4 Live CD the screen goes light blue and the
machine locks up. It turns light blue just after the "Starting udev" message on
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Boot from the rawhide KDE4 Live CD
2. Wait for the "Starting udev [OK]" message
Screen goes light blue and the machine locks up. One time a white square about
80x80 pixels was visible in the centre of the screen.
Pressing Caps Lock, etc. does not change the keyboard lights. Pressing Ctrl-F1
does not switch to a console.
The machine boots to the KDE 4 desktop.
Processor: Intel Pentium D
Video Card: Radeon X1300 Series
Does this still occur with the newer images which have been released?
What is the URL for the latest image?
I tried again today (with the original image) and you can move the white square
around for about 2 seconds before it locks up so it looks like that's supposed
to be the mouse cursor.
That looks more like a problem with rhgb -- could you please try in grub screen
(where you select the style of booting), select the type of boot you want, then
press key 'a' and in the editor remove rhgb from the kernel command line. Press
ENTER. What happens?
The system boots OK until X is started then I just get a black screen.
Are you actually using the ati/radeon driver or is this with vesa? It looks
like a duplicate of bug 427383 to me. Try booting with xdriver=ati or
xdriver=radeon to force using the radeon driver, which only recently got
experimental support for your card.
Thanks for the bug report. We have reviewed the information you have provided
above, and there is some additional information we require that will be helpful
in our diagnosis of this issue.
Please attach your X server config file (/etc/X11/xorg.conf) and X server log
file (/var/log/Xorg.*.log) to the bug report as individual uncompressed file
attachments using the bugzilla file attachment link below.
Could you please also try to run without any /etc/X11/xorg.conf whatsoever and
let X11 autodetect your display and video card? Attach to this bug
/var/log/Xorg.0.log from this attempt as well, please.
We will review this issue again once you've had a chance to attach this information.
Thanks in advance.
Sorry, this is LiveCD, please, try to run it in text mode (add 3 to the end of
the kernel command line, available in grub after pressing a) and then try to
play with starting X as startx from the runlevel 3. That way you can get all log
Also, when running in text mode, try to add to /etc/X11/xorg.conf (if you don't
have one, there is a copy in /var/log/Xorg.0.log)
Option "DRI" "off"
to the "Device" section of for videocard. Does it help?
Re: adding xdriver to the kernel command line
xdriver=ati + rhgb -> light blue screen - machine locked up
xdriver=radeon + rhgb -> black screen - machine locked up
xdriver=vesa -> light blue screen for a few seconds then black screen - machine
xdriver=ati + no rhgb -> black screen (after starting X) - machine locked up
xdriver=radeon + no rhgb -> black screen - machine locked up
xdriver=vesa + no rhgb -> black screen - refresh rate not supported by monitor -
machine NOT locked up (can switch back to console)
I will try to get a log file starting X with the default driver from run level 3
In run level 3 with no rhgb option:
Running startx without doing anything else -> black screen + machine locked up
(so can't get any log files)
Removing xorg.conf, then running startx -> black screen + machine locked up
Adding DRI=off to xorg.conf -> light blue screen with 80x80 square blue/grey
mouse cursor for a few seconds then machine locked up
Since the machine locks up every time I'm not sure how to get any log files. Is
it possible to redirect them to, say, a USB pen drive?
I think this is enough -- sending the bug to developers, and let's see what
wisdom they will be able to bring to the table.
This bug has nothing to do with KDE, it doesn't even get close to starting KDE
there, removing from KDE4Live.
Changing version to '9' as part of upcoming Fedora 9 GA.
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