[Nouveau] [Bug 37549] Dell Studio XPS 1340 - fails to enter suspend mode

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=37549

--- Comment #4 from Seth Forshee <seth.forshee at canonical.com> 2011-12-06 11:31:47 PST ---
(In reply to comment #3)
> Can you provide dmesg from failed suspend on 64-bit kernel? I bet it will fail
> differently than 32-bit kernel.
> 
> 2 256MB cards + 32-bit kernel without CONFIG_HIGHMEM4G (only 876 MB of RAM
> directly accessible) = fail. Maybe it's fixable, but I wouldn't count on it.

Marcin: I take it you are referring to failure to suspend due to vmalloc
failures in the nouveau driver? Indeed, Daniel has verified that this problem
can be avoided by using a 64-bit kernel or by passing vmalloc=128M to the
kernel (see the reference bug in Launchpad for details).

When that issue is avoided the system does appear to suspend successfully, but
then hangs when resuming.

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