[Bugme-new] [Bug 13509] New: VT switch causes system to lockup

bugzilla-daemon at bugzilla.kernel.org bugzilla-daemon at bugzilla.kernel.org
Thu Jun 11 11:42:30 PDT 2009


http://bugzilla.kernel.org/show_bug.cgi?id=13509

           Summary: VT switch causes system to lockup
           Product: Drivers
           Version: 2.5
    Kernel Version: 2.6.30-gentoo-r1
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: high
          Priority: P1
         Component: Console/Framebuffers
        AssignedTo: jsimmons at infradead.org
        ReportedBy: liquid.acid at gmx.net
        Regression: Yes


Hi there,

I just updated my amd64 system from a 2.6.27 kernel to a fresh 2.6.30-gentoo-r1
one. The system boots fine, but as soon as I switch to another VT the whole
system lockups.

The screen just freezes, still showing the old content of VT1. ACPI buttons
don't work, and ctrl-alt-del doesn't cause a restart. I haven't tried remote
ssh login yet, nor magic SysRq (going to do this next).

To emphasize this: Just doing work on the first console is perfectly fine - the
system is rockstable this way. So it's not some instability that is triggered
by the VT switch.

Anyway, I'm using uvesafb here (gfx card is a integrated Radeon HD 3200).
More informations to follow.

Greets,
Tobias

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