On Wed, 2008-01-09 at 15:42 -0500, Steven Rostedt wrote: > This patch is different than the first patch I sent out. > This one just sends an IPI to all CPUS that don't check in after 1 sec. > > > Sometimes cpu_idle_wait gets stuck because it might miss CPUS that are > already in idle, have no tasks waiting to run and have no interrupts > going to them. This is common on bootup when switching cpu idle > governors. > > This patch gives those CPUS that don't check in an IPI kick.
FYI, I just hit this hang on 2.6.24-rc6 without any extra patches. So, unless 2.6.24-rc7 did anything to fix this issue, this is a high priority bug (IMHO). -- Steve -- 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/
