On Mon, Aug 08, 2011 at 01:10:22AM +0200, Andrey Gursky wrote: > Hi! > > Since coming of the linux-3.0-rt patch I've decided to try to switch > to that kernel, especially the goal of the RT_PREEMPT claims to make a > desktop kernel become a realtime one. Thanks to all rt-developers for > this opportunity! > > I'm testing it on 3 platforms: > 1) notebook Core2Duo T7250, > 2) old Pentium 4 3.2 GHz with an old passive ISDN hisax-card, > 3) even older AthlonXP 2.8 GHz with TV-tuner. > > The first desktop problem is: > the symbol __rt_mutex_init is exported as GPL-only. This make the > usage of proprietary nvidia driver impossible, while the normal > __mutex_init is not only GPL. Could you change the license also for > the rt_mutex_init (...and maybe few more if they being linked with > nvidia/ati(?) driver just as with the vanilla "desktop" kernel)? > > The next issue is more complicated. On the P4 (platform 2) I use an > ISDN-hisax modem card and per-second internet account. After a timeout > the connection is being hung up. In firefox I have a lot of tabs. Some > web pages are "active". They try to call back on their own. While this > is happening my gnome freezes sometimes. SysRq-R helps sometimes to > switch back to the console. But the gdm doesn't start anymore. Is this > a relevant issue for the rt-project? What'd be the first place to look > at to debug this behavior? enable PROVE_LOCKING and see if that claims to find something. You might have to setup netconsole for that to work. Best regards Uwe -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | http://www.pengutronix.de/ | -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html