Messages in this thread | | | Date | Tue, 28 Jul 2009 09:23:19 -0700 | From | Jesse Barnes <> | Subject | Re: Linux-2.6.31-rc4 - shut the annoying "failed to acquire vblank..." |
| |
On Tue, 28 Jul 2009 14:53:59 +0200 Paul Rolland <rol@as2917.net> wrote:
> Hi Frans, > > On Tue, 28 Jul 2009 12:44:12 +0200 > Frans Pop <elendil@planet.nl> wrote: > > > > I sent a mail long ago about this message : > > > tux kernel: [drm:drm_wait_vblank] *ERROR* failed to acquire vblank > > > counter, -22 showing up more than 10 times per second, but was > > > told that I had some old userspace apps running... As I was using > > > an old FC8, I forgot about it. > > > > The message does not only show with old applications, it also shows: > > - every time I suspend my notebook > > - every time I start a second X session to log in as a different > > user > Well, with the so-called "old apps", it's 20 times per second, as > long as the app is running, which really makes it painful, because it > causes all the logs to show off quickly :( > > > I agree that the message is very annoying and would be glad to be > > rid of it, especially as the only comment from the maintainers so > > far has been to just ignore it. > Well, I'd really like some feedback from the maintainer... because if > no one cares, I agree it should be removed. > > > IMHO, If it is "ignoreable", then it is also "suppressable". > Seconded, unless someone is using it to try to fix the problem ?
It indicates a userland problem, and yes we shouldn't print that message. I've also posted a patch to quiet it a few times, but Dave hasn't picked it up yet. Feel free to send it straight to Linus with my Reviewed-by if you want.
-- Jesse Barnes, Intel Open Source Technology Center
| |