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[Bug 712221] New: Black Screen/No Display after Booting - nomodeset brings only resolustion 1024x768
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Mon, 15 Aug 2011 09:57:02 +0000
  • Message-id: <bug-712221-21960@http.bugzilla.novell.com/>

https://bugzilla.novell.com/show_bug.cgi?id=712221

https://bugzilla.novell.com/show_bug.cgi?id=712221#c0


Summary: Black Screen/No Display after Booting - nomodeset
brings only resolustion 1024x768
Classification: openSUSE
Product: openSUSE 11.4
Version: Final
Platform: x86-64
OS/Version: openSUSE 11.4
Status: NEW
Severity: Major
Priority: P5 - None
Component: Kernel
AssignedTo: kernel-maintainers@xxxxxxxxxxxxxxxxxxxxxx
ReportedBy: hfischer@xxxxxxxxxxxx
QAContact: qa@xxxxxxx
Found By: ---
Blocker: ---


Created an attachment (id=445782)
--> (http://bugzilla.novell.com/attachment.cgi?id=445782)
hwinfo on my x86_64 computer

User-Agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.9.2.18)
Gecko/20110614 Firefox/3.6.18

After Booting system with grub, no display is given. System itself worked
normally, a login through ssh or typing a blind login is possible. But the
display stays black. There helps no init 3 or kill X.

Workaraound: Give grub the option 'nomodeset'. Then I get a resolution for my
display of 1024x768@70Hz. It makes 1440x900 (Samsung SyncMaster 931bw). Graphic
chip on Mainboard, i915.

For the first (and second) Kernel of the openSUSE DVD Master 11.4 it worked all
fine.

Now using the vanilla kernels by opensuse rpms. They worked fine. Why not
standard kernel 2.6.37.6-47.1 (and the formerly kernel 2.6.37.6-46).

Solving the problem over grub or putting the intelfb into initrd didn't work.

This problem occurs on two machines with a similiar installation of openSUSE.
One machine is a 64bit with four CPUs with intel chip onboard, the other one
32bit with a ATI chip onboard.

The coming 12.1 openSUSE (live CD) works fine with my display.

Reproducible: Always

Steps to Reproduce:
1. Booting default (or desktop) Kernel with Suse-Patches
2. See GRUB choosing kernel 2.6.37.6-47.1
3. See for a moment GRUB message loading his stage
4. Display will be black
5. System boot normally without any display
6. Display goes on standby
Actual Results:
Booting the kernel installed by YaST during a update.

Repos: openSUSE standard, KDE4-Factory, Packman.

Changing the display manager without any effect.

Expected Results:
Loading display with the resolution 1440x68@60Hz.

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