[Nouveau] [Bug 36248] New: Kernel 2.6.39-rc2: Boot logo causes Nouveau crash

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=36248

           Summary: Kernel 2.6.39-rc2: Boot logo causes Nouveau crash
           Product: xorg
           Version: unspecified
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: nigel at tuxonice.net
         QAContact: xorg-team at lists.x.org


Created an attachment (id=45640)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=45640)
Photo of oops

With the 2.6.39-rc2 kernel with Nouveau (KMS), I get an oops at boot if I have
the Boot Logo configuration option enabled, with the following backtrace:

nouveau_bo_wr32
nouveau_fbcon_sync
cfb_imageblit
snprintf
drm_crtc_helper_set_config
nouveau_fbcon_imageblit
fb_show_logo
fbcon_switch
redraw_screen
bind_con_driver

(I'll attach the screenshot, which has full details).

After some testing of disabling various configuration options, I found that
toggling CONFIG_LOGO stopped the oops.

The last kernel which I could successfully boot was 2.6.37. I could not boot
2.6.38, but couldn't get a backtrace then.

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