Messages in this thread |  | | From | Frans Pop <> | Subject | Re: [rc8] Regression: key repeats and skips in music during compilation | Date | Mon, 7 Apr 2008 14:03:58 +0200 |
| |
On Monday 07 April 2008, Dhaval Giani wrote: > On Mon, Apr 07, 2008 at 12:29:26PM +0200, Rafael J. Wysocki wrote: > > On Monday, 7 of April 2008, Frans Pop wrote: > > > On Monday 07 April 2008, Rafael J. Wysocki wrote: > > > > On Sunday, 6 of April 2008, Rafael J. Wysocki wrote: > > > > > On Friday, 4 of April 2008, Frans Pop wrote: > > > > > > While compiling glibc I am getting frequent short skips in > > > > > > music play anddddddddddddddddd I have now three times seen key > > > > > > repeats (as in this sentence). When there is a skip in the > > > > > > music, there is also a delay in characters being typed > > > > > > appearing on the screen. > > > > > > > > > > Can you test with CONFIG_GROUP_SCHED unset, please? > > > > > > > > I was able to reproduce this issue with -rc8 on one of my test > > > > systems, > > > > > > In the mean time I have verified that the issue also existed in rc6, > > > so it's not a recent regression. > > > > > > > but I'm not any more with the current Linus' tree and > > > > CONFIG_GROUP_SCHED unset, FWIW. > > > > > > Hmm. Does that mean that you _can_ reproduce it with git HEAD and > > > CONFIG_GROUP_SCHED set? That would mean it is still an issue in HEAD > > > and group scheduling is the culprit. > > > > Well, CONFIG_GROUP_SCHED is known to cause problems, AFAICS, and some > > fixes are scheduled for the 2.6.26 time frame. > > I thought we had most of the issues ironed out.
Note that I can also reproduce the issue with a kernel that does *not* have CONFIG_GROUP_SCHED set. I still get the music skips (maybe less frequently, but that's hard to measure), and I've have also seen key repeats once.
Anything I can do to provide additional info on this?
Cheers, FJP
# CONFIG_CGROUPS is not set # CONFIG_GROUP_SCHED is not set (config otherwise identical to my initial mail)
|  |