[Bug 45018] [bisected] rendering regression since added support for virtual address space on cayman v11

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=45018

--- Comment #69 from Alexandre Demers <alexandre.f.demers at gmail.com> 2012-07-27 18:26:19 PDT ---
(In reply to comment #67)
> Created attachment 64585 [details] [review]
> Adding an environment variable to disable VM if wanted
> 
> By setting R600_VM=0, we disable the virtual address space code path. By
> default, the path will still be enabled and used. However, if set to 0, it will
> prevent some cards (mostly CAYMAN it seems) from locking up or crashing because
> of the VM code. It is a work around until we figure out why it is locking.

Please, if someone could review and commit if possible.

Thank you.
Alexandre Demers

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