[Nouveau] [Bug 27587] New: X (nouveau) crashes kernel on start

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=27587

           Summary: X (nouveau) crashes kernel on start
           Product: xorg
           Version: 7.5
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: blocker
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: alex.vizor at gmail.com
         QAContact: xorg-team at lists.x.org


Created an attachment (id=34893)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=34893)
kernel log

Hi. I recently updated Linus' kernel tree to revision
0eddb519b9127c73d53db4bf3ec1d45b13f844d1 (2.6.34-git), nouveau DDX from git to
revision 4063616938f76af8028491276039d422c0782b1b and libdrm, also from git, to
revision 894c86e8400f13f1ee0dfe23ca4b5f98c32d9223. Then I recompiled all the
code in following order 1) kernel; 2) libdrm; 3) DDX. And rebooted - after
starting X left several seconds system hangs up, I think that was kernel panic
because CapsLock was blinking and system didn't respond on any attempts to
reboot, even SysRq didn't help.

With 2.6.34-rc3 same versions of DDX and libdrm work fine. The interesting fact
that there is nothing in kernel log and syslog about this.

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