Red Hat Bugzilla – Bug 128363
LCD laptop screen not properly detected by firstboot
Last modified: 2008-08-02 19:40:32 EDT
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Description of problem:
I just installed FC3Test1 on my emachine M5310 laptop, and when I
reach the Display screen I'm only offered a resolution up to 800x600
because it considers my LCD to be an Unknown monitor. No biggie for
me, I'll change it later, but I thought you might find it useful for
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Install FC3Test1
2. Reboot after install
3. Continue through Firstboot to Display screen
Actual Results: Correctly offered millions of colors, correctly sees
my ATI Radeon Mobility U1 video card, doesn't see my monitor type and
only offers 640x480 and 800x600
Expected Results: Offered at least 1024x768, ideally offered 1280x800
since it's a widescreen.
Machine specs available through www.emachines.com
I just wanted to add here that I have the same result when I install
on one of my machines that's using a KVM. I expect it not to be able
to detect my monitor properly through a KVM, but it's a bit annoying
to have to manually bump it up to 1024x768 after the firstboot
process. Is it safe these days to use 1024x768 Generic SVGA as a
default instead of an 800x600 default? I'm not really sure what the
best solution to this problem is, but KVMs are certainly heavily in use.
I like the solution to the KVM issue in FC3T2candidate0908.0, the
Configure button makes all the difference.
After installing FC3T2candidate0908.0 on the emachine laptop specified
earlier and updating it to rawhide 9/14, firstboot starts properly
here as well but it doesn't detect my LCD panel. More frustratingly,
again it lets me tell it that my panel is 1280x800 but then doesn't
let me select 1280x800 under resolution. Please fix this. :)
The 1280x800 issue may be dealt with at Bug #122739.
It sounds like I experienced similar initial detection woes as the
reporter of this bug, as follows:
I have a Toshiba M35X-S106 laptop (Celeron M). Its LCD display
supports 1024x768 resolution at 16M colors, but the install process configured
it as "unknown monitor" at 800x600 with "thousands of colors".
I changed the hardware setting in system-config-display to LCD Panel
1024x768, but when I rebooted, Kudzu detected "new" video-related
hardware. I allowed it to "Configure" and it unfortunately reset the
configuration to "Unknown monitor", at the lower resolution.
So I manually switched it back, and know to tell Kudzu not to do
anything when it detects "new" video hardware.
The right thing, of course, would be for my display to have been
configured at the correct resolution the first time around, and for
Kudzu not to try to break it later on.
This was with a fresh install of Fedora Core 3 (final).
please attach the Xorg.0.log from a successful startup after installation.
Ping timeout from reporter. Please attach an X log from a successful startup
after installation, so that your laptop may be added to the monitor database.
Please move the bug back from NEEDINFO to ASSIGNED when you do.
Changing version to correct one. (test1 -> fc3test1, and some were filed as
test3 accidentally instead; but clearly must be fc3test1 given the date of filing.)
NEEDINFO timeout, resolving as INSUFFICIENT_DATA.
Created attachment 151623 [details]
Xorg.0.log for Toshiba laptop
I installed Fedora 7 from the LiveCD, and my Toshiba laptop's LCD screen was
configured correctly, at 1024x768. There were no problems when rebooting. (Yay!)