Red Hat Bugzilla – Bug 439645
rhgb prevents X from displaying when a second monitor is connected
Last modified: 2009-07-14 12:17:10 EDT
Description of problem:
On a Sony Vaio VGN-s260 (Pentium-M 1.7ghz, ATI 9200m 32mb of video RAM, 1gb of
system RAM) the rhgb kernel boot option prevents the X from displaying properly.
The rhgb normal boot progress works properly, but once the switch to GDM
happens both the internal laptop display and external monitor stay off. CPU
usage is stuck at something high (the fan is going full speed).
The system has not locked up completely, since the Caps Lock LED can be toggled
with the Caps Lock key. I am also able to properly shut down the system at this
point by pressing the power button briefly, which seems to initiate a normal
Version-Release number of selected component (if applicable):
Fedora 9beta + all updates as of Mar. 29
Steps to Reproduce:
1. Boot with rhgb kernel option
2. Watch the boot process...
3. ... and then the screen turns off and doesn't come back
No X/GDM shown
GDM login screen
Everything works properly with the rhgb option when the monitor is not connected
during boot. After booting I can connect the monitor and use xrandr to enable
it. Booting without the rhgb option allows for a successful startup with the
external monitor connected.
Changing version to '9' as part of upcoming Fedora 9 GA.
More information and reason for this action is here:
This message is a reminder that Fedora 9 is nearing its end of life.
Approximately 30 (thirty) days from now Fedora will stop maintaining
and issuing updates for Fedora 9. It is Fedora's policy to close all
bug reports from releases that are no longer maintained. At that time
this bug will be closed as WONTFIX if it remains open with a Fedora
'version' of '9'.
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The process we are following is described here:
Fedora 9 changed to end-of-life (EOL) status on 2009-07-10. Fedora 9 is
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