Red Hat Bugzilla – Bug 453106
Failed to install F9 due to video/monitor misdetection
Last modified: 2009-07-14 13:44:37 EDT
Description of problem:
I could not install F9 by using the graphical install method. After switching to
graphics mode my monitor went blank due to (probably) improper resolution
settings. The text installation could not be finished as well, while trying to
configure X (firstboot?) the same problem appeared.
Version-Release number of selected component (if applicable):
anaconda 11 (as used on the F9 i386 install DVD)
Steps to Reproduce:
1. Boot from F9 i386 install DVD
2. Anaconda detects videocard
3. Screen blanks (power led blinks)
When switching to graphics mode my screen turns off, the power led start
blinking (probably indicating wrong resolution/freq settings).
Proper supported resolution, able to install F9 in graphics mode
Video card: Nvidia 8600 GTS
Monitor: Apple Cinema Display HD, 23"
X itself (by starting X using X or startx) has no problems with this
combination. I managed to install F9 by temporarily swapping my videocard for an
older one (Nvidia 6800 GS). After installation I reinstalled the 8600 GTS and X
gives me a nice 1920x1200 display without manual configuration.
I've attached two Xorg.0.log files (one from the 8600 GTS card and one from the
6800GS). These are taken from my running system not anaconda or firstboot.
I'm happy to supply more info if needed.
Created attachment 310422 [details]
Xorg.0.log from Nvidia 8600 GTS
Created attachment 310423 [details]
Xorg.0.log from Nvidia 6800 GS (anaconda has no problems with this one)
Just to emphasize -- apparently here anaconda doesn't work with NVidia 8600 GTS,
but it does with NVidia 6800 GS.
At least part of this is because we're generating an implausible mode.
1920x1200 has to fit in a single DVI link of 165MHz, and not:
(II) NV(0): Modeline "1920x1200"x60.0 193.16 1920 2048 2256 2592 1200 1201
1204 1242 -hsync +vsync (74.5 kHz)
... 193.16MHz is right out.
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