[ubuntu-x] New nvidia experimental driver packages coming soon for 12.04

Michael Wisheu wisheu at google.com
Fri Oct 12 09:14:30 UTC 2012

Hi Byrce,

Thanks for the great explanation and I agree that it makes sense this way.
Please note that we've seen another bug with 304.43 and later (but might
affect also earlier 304.x driver versions) on Precise that cause X server
crashes under certain circumstances.
The circumstances are:
* Multi-monitor setup
* At least one screen is in portrait orientation
* X server crashes once monitors should leave standby
* Disabling DPMS prevents the X server crashes

NVIDIA has confirmed this issue last week and they are working on a fix.
They are tracking the issue under number 1060346. There is no Launchpad bug
for this issue.



On Fri, Oct 12, 2012 at 10:51 AM, Bryce Harrington <bryce at canonical.com>wrote:

> On Fri, Oct 12, 2012 at 10:18:07AM +0200, Michael Wisheu wrote:
> > Hi Bryce,
> >
> > How about updating it to 304.51? This is mainly a bugfix release and I
> > would recommend it over 304.43.
> > http://www.nvidia.com/object/linux-display-amd64-304.51-driver
> We actually have looked at that, but we found there's a bug[1] with
> 304.51 and Unity when the launcher is set to auto-hide (it never
> reveals).  This was found by testers of the development release, and we
> reverted nvidia-current back to 304.43 as a result.
> This is a particular problem for quantal because Unity is enabling
> autohide by default, so the bug affects people by default and thus is
> quite severe.  For precise, Unity does not auto hide by default, so that
> makes it less severe; however precise is also an LTS so stability is
> all the more important and known regressions in even non-default
> functionality are still worth close scrutiny.
> For quantal, we'll be shipping 304.43 as the nvidia-current version.
> It's quite stable and received a huge amount of testing, so I think it's
> a safe choice.
> In quantal, we are including 304.51 as the nvidia-current-updates
> version.  It does include some worthwhile bug fixes; still, this is a
> bit risky: If precise users have -updates enabled and then upgrade to
> quantal, then unity will break for them.  Yet at least there are paths
> to work around the bug (by going back to nvidia-current).
> I've notified NVIDIA about this bug, and they've confirmed it and are
> working on a fix.  So we'll have it out in quantal's
> nvidia-current-updates once it becomes available and passes testing.
> For precise, it probably makes sense to just skip inclusion of 304.51
> for nvidia-current-updates, and wait for the fix.  SRU policy applies
> here, and that tends to strongly avoid updating things if there are
> known regressions such as we have in this case.
> But, many precise users probably don't use Unity's autohide feature and
> would like 304.51 to fix other bugs, and don't want to wait for the next
> update.  We are shipping it in the x-updates PPA[2], and would encourage
> these users to install from there.
> Bryce
> 1:  https://bugs.launchpad.net/unity/+bug/1057000
> 2:  https://launchpad.net/~ubuntu-x-swat/+archive/x-updates
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