![]() | |||||||||||||
Messages in this thread |
* Jan Luebbe <jluebbe@lasnet.de> wrote: > From: Jan Lübbe <jluebbe@lasnet.de> > > The new behaviour of CFS exposes a race which occurs if a switch is > requested when vt_mode.mode is VT_PROCESS. > > The process with vc->vt_pid is signaled before vc->vt_newvt is set. This > causes the switch to fail when triggered by the monitoing process > because the target is still -1. > > Signed-off-by: Jan Lübbe <jluebbe@lasnet.de> nifty! I'm wondering what the symptoms of this bug were - how did you notice it? Also, i'm wondering how you managed to debug this - looks quite hard to trigger this race, right? Acked-by: Ingo Molnar <mingo@elte.hu> Ingo - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
| Last update: 2007-09-30 09:23 [from the cache] ©2003-2008 | |||||||||||||