Bug#608133: nouveau: severe display corruption on NV4E on machines with > 2G RAM

[Jonathan Nieder <jrnieder@gmail.com>]

Hi John,

Salah Coronya wrote:

> As of kernel 3.7, [...] all the
> errors related to ths bug are gone for me - no distortion, no crashes,
> and no CACHE_ERROR, even after switching VT and running accelerated
> programs for over a week.

Can you confirm?  A 3.7.1 kernel is available from experimental.

(For reference, the following patches seem potentially relevant:

  v3.7-rc1~118^2^2~69 drm/nouveau/instmem: completely new
                      implementation, as a subdev module, 2012-07-14
  v3.7-rc1~118^2^2~5 drm/nouveau: store supported dma mask in vmmgr,
                     2012-09-26
  v3.7-rc1~118^2^2~4 drm/nv04/dmaobj: fixup vm target handling in
                     preparation for nv4x pcie, 2012-09-26
  v3.7-rc1~118^2^2~3 drm/nv44/vm: fix and enable use of "real"
                     pciegart, 2012-09-27
  v3.7-rc1~118^2^2~2 drm/nv41/vm: fix and enable use of "real"
                     pciegart, 2012-09-27
)

Thanks and hope that helps,
Jonathan