On Sun, 9 Dec 2007 16:57:38 -0500 "Parag Warudkar" <[EMAIL PROTECTED]> wrote:
> On Dec 8, 2007 6:12 PM, Parag Warudkar <[EMAIL PROTECTED]> > wrote: > > No problems after disabling CONFIG_HIGHRES_TIMERS , CONFIG_CPU_IDLE > > and CONFIG_NO_HZ. > > > > I will try enabling them one by one - HRT, NOHZ and CPU_IDLE last - > > that way we can at least tell what is required to be hit with this > > problem. > > Looks like CPU_IDLE=y is necessary for the problem to show up. > With CPU_IDLE=n HRT+NO_HZ+TICK_ONESHOT does not give soft lockup > problems. (Actually with HIGH_RES_TIMERS=NO_HZ=TICK_ONESHOT=y I do > see short freezes on ssh - when I cannot type anything for may be a > second even under 100% idle. But Soft Lock up doesnt show up in dmesg > with this configuration.) starts to sound like something is turning off the clock during a somewhat deeper C-state... -- 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/
