On Wednesday 17 October 2012 12:24:38 Scott Kitterman wrote: > On Wednesday, October 17, 2012 05:59:23 PM Martin Gräßlin wrote: > > Hi Kubuntu-Developers, > > > > please note: I'm not subscribed, please CC me in replies > > > > I just wanted to inform you (in case you are not yet aware of it) that we > > in KWin started to receive a bunch of bug reports for Kubuntu 12.10 in > > the combination with the Intel drivers since this weekend. > > > > The issues are: > > * crashes (e.g. Bug #308369) > > * performance problems (e.g. Bug #308385) > > * rendering issues (e.g. Bug #308439) > > > > So far we do not have enough data to say whether there is a real and > > general issue, but I'm concerned enough to send this mail. > > > > What we know is that the issues are related to Mesa 9.0 which got released > > just last week. Several users told us that downgrading to Mesa 8 the > > problems go away (of course not an option for Kubuntu users). > > > > My recommendation would be to put a word of warning into the release note. > > I find the situation very difficult as I neither want you to warn about a > > problem that does not exist, on the other hand I don't want users to run > > into the issue and then blaming KDE for bad performance. > > > > Also for the next cycle I would recommend to try to increase the timespan > > between Mesa driver releases and the release of Ubuntu. I don't think it's > > a good idea to ship a new Mesa version before the rolling release > > distributions have played guinea pig ;-) > > I'm all for not breaking things. One point of clarification though ... > > Quantal has had git snapshots of mesa 9 since August, so it's not like they > suddenly jumped all the way from 8 to 9 at the last second. right, but still it is: a) unlikely that those got tested by a large user base b) possible that the regression got introduced lately
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