Date: Fri, 27 Jul 2007 08:29:27 +0200 From: Alexander Leidinger <Alexander@Leidinger.net> To: Ulrich Spoerlein <uspoerlein@gmail.com> Cc: freebsd-multimedia@freebsd.org Subject: Re: syscons + mouse == stuttering playback Message-ID: <20070727082927.o9ojk5f808oc8sgk@webmail.leidinger.net> In-Reply-To: <20070726173130.GD1857@roadrunner.q.local> References: <20070702185109.GA1438@roadrunner.q.local> <200707141846.14595.tijl@ulyssis.org> <20070714184410.GF1542@roadrunner.q.local> <200707142109.28398.tijl@ulyssis.org> <20070726173130.GD1857@roadrunner.q.local>
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Quoting Ulrich Spoerlein <uspoerlein@gmail.com> (from Thu, 26 Jul 2007 =20 19:31:30 +0200): > On Sat, 14.07.2007 at 21:09:26 +0200, Tijl Coosemans wrote: >> On Saturday 14 July 2007 20:44:10 Ulrich Spoerlein wrote: >> > On Sat, 14.07.2007 at 18:46:13 +0200, Tijl Coosemans wrote: >> > > On Monday 02 July 2007 20:51:09 Ulrich Spoerlein wrote: >> > > > on a recent CURRENT, without WITNESS or INVARIANTS. Both with >> > > > SCHED_ULE and SCHED_4BSD I observed the following: >> > > > >> > > > Make sure almost nothing is running (to rule out other influences). >> > > > Run mpg123 on some MP3 file. Then start moving the syscons mouse >> > > > cursor. I get a high frequency stuttering on playback, playback is >> > > > also slowed down. >> > > >> > > I just noticed it. I was playing music in Amarok, switched to a text >> > > terminal and moving the mouse there causes stuttering. In X it >> > > doesn't... >> > >> > Are you using an USB mouse? I do, perhaps it is caused by the Giant >> > lock? I can't test with a PS/2 mouse, but perhaps I could run a test >> > with Hans' USB stack (giant free). >> >> Yes, usb mouse, but this laptop touchpad (PS/2?) has the same effect. > > Another interesting datapoint: playback over HPS' uaudio(4) is *not* > affected. Perhaps the problem is specific to Intel ICH audio? Is PS/2 giant free? If not the assumption about a problem because of =20 giant may be true... Bye, Alexander. --=20 I just had a NOSE JOB!! http://www.Leidinger.net Alexander @ Leidinger.net: PGP ID =3D B0063FE7 http://www.FreeBSD.org netchild @ FreeBSD.org : PGP ID =3D 72077137
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