[Bug 42876] New: System doesn't boot with GTX 550 Ti

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https://bugzilla.kernel.org/show_bug.cgi?id=42876

           Summary: System doesn't boot with GTX 550 Ti
           Product: Drivers
           Version: 2.5
    Kernel Version: >3.2
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: blocking
          Priority: P1
         Component: Video(DRI - non Intel)
        AssignedTo: drivers_video-dri@kernel-bugs.osdl.org
        ReportedBy: artkun@guitarplayer.ru
        Regression: Yes


My hardware is:
ASUS P5KPL-AM SE, C2D E8500, GeForce GTX 550 Ti.

The problem is that with kernel newer than 3.2 (including 3.3 in Fedora 17), my
system doesn't boot at all. I'm using nouveau and have no proprietary nvidia
modules installed.
With 3.2, I'm getting nothing but "Loading initial ramdisk" on the screen, but
HDD LED is blinking and when I press the Power button on my PC, the system
turns off as it's supposed to.
But with 3.3 (in Fedora 17 and Ubuntu 12.04 with Canonical patched kernel), the
system doesn't boot at all. After "Loading initial ramdisk" the monitor turns
off, and nothing happens. HDD doesn't do anything.
This happens even without xf86-video-nouveau installed (i've tried Arch).

With kernel 3.1.9, my graphics card still works perfect, with a good 3D
acceleration. GNOME 3 works perfect too.

I'm sorry for my English.

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