[Bug 43353] New: nouveau will not load or boot

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=43353

           Summary: nouveau will not load or boot
           Product: Drivers
           Version: 2.5
    Kernel Version: 3.4
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
        AssignedTo: drivers_video-dri at kernel-bugs.osdl.org
        ReportedBy: kvs at inbox.ru
        Regression: Yes


Created an attachment (id=73534)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=73534)
modprobe-nouveau

Since kernel 3.4.X (also 3.5-rc) I have been seeing issues with nouveau,
machine would lock up almost immediately after grub (after nouveau load) or
just simply reboot. The following commit appears to be causing regression on my
hardware (found with bisect) - gtx560. Attached is drm.log with portion of
kern.log when attempting to insert nouveau (machine was booted with nomodeset
and drm.debug=0x04).


4f988d132d2668b4f3b42bfc70daa531115ccca1 is the first bad commit
commit 4f988d132d2668b4f3b42bfc70daa531115ccca1
Author: Sascha Hauer <s.hauer at pengutronix.de>
Date:   Wed Feb 1 11:38:26 2012 +0100

    drm fb helper: remove unused variable crtc_id

    crtc_id is set but never used, so remove it from struct
    drm_fb_helper_crtc.

    Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
    Signed-off-by: Dave Airlie <airlied at redhat.com>

:040000 040000 0a26eb080648d02fb93d75adb3e8e6b8cbabeff4
ea8fcd1ba1b8447738057e4d507eca70b4c6cd2f M    drivers
:040000 040000 0ef8bbc7c102b8cf86fde3e7431259a0e79a8025
3a48417368ac82f7286f5e18e9a4137295b8cce8 M    include


I have added added crtc_id back to drm fb helper and it seems to solve issues
on 3.4.1 so far.

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