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[Bug 712023] New: System disconnects from display during boot after upgrade to kernel 2.6.34.10
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Fri, 12 Aug 2011 14:06:07 +0000
  • Message-id: <bug-712023-21960@http.bugzilla.novell.com/>

https://bugzilla.novell.com/show_bug.cgi?id=712023

https://bugzilla.novell.com/show_bug.cgi?id=712023#c0


Summary: System disconnects from display during boot after
upgrade to kernel 2.6.34.10
Classification: openSUSE
Product: openSUSE 11.3
Version: Final
Platform: 32bit
OS/Version: openSUSE 11.3
Status: NEW
Severity: Critical
Priority: P5 - None
Component: Kernel
AssignedTo: kernel-maintainers@xxxxxxxxxxxxxxxxxxxxxx
ReportedBy: alexander.koenig@xxxxxxxxxxx
QAContact: qa@xxxxxxx
Found By: ---
Blocker: ---


Created an attachment (id=445615)
--> (http://bugzilla.novell.com/attachment.cgi?id=445615)
Hardware info

User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; de; rv:1.9.2.18)
Gecko/20110613 SUSE/3.6.18-0.2.1 Firefox/3.6.18

Hardware:
Mainboard ASRock K7S41GX
CPU: AMD Athlon XP 2800+
Graphics card: Excalibur Radeon 9200 (ATI)

After upgrade to the latest kernel provided by SUSE online update (2.6.34.10)
the system does not boot into a usable mode any more.
A fraction of a second after starting the boot process the screen turns black
and will not display anything any more (the monitor reports "no signal").
Booting with nosplash or splash=0 results in a handful lines on the screen,
which however disappear so quickly that I cannot read the content.
I believe that I read something like "conflict with preserved memory" on one of
the last lines.

However the computer boots into a running system to which I can login
remotely.
I attach "/var/boot.msg", "/var/messages" and "/var/warn" created on this
system.

The system boots perfectly into the graphics environment with the vanilla
kernel 2.6.34.10, so it is clear that the problem is due to the SUSE patches to
the kernel.





Reproducible: Always

Steps to Reproduce:
To reproduce:

boot with SUSE kernel 2.6.34.10, default or desktop flavour

Actual Results:
A fraction of a second after starting the boot process the screen turns black
(no signal).

Expected Results:
It should boot into a running system with working display.

Upgrade to SUSE kernel 2.6.34.10 on another computer with the same mainboard
but using the onboard display of the MB instead of an AGP card worked without
any resulting problems.

The vanilla kernel 2.6.34.10 works for

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