* Jan Luebbe <[EMAIL PROTECTED]> wrote: > From: Jan Lübbe <[EMAIL PROTECTED]> > > 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 <[EMAIL PROTECTED]>
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 <[EMAIL PROTECTED]> Ingo - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/