On Tue, 2007-09-11 at 11:39 -0600, David Bahi wrote: > On Tue, 2007-09-11 at 02:10 +0000, David Bahi wrote: > > trying to get a crashdump in a clean -rt series kernel which hardlocks > > on the ltp openposix conformance interfaces sched_yield 1-1.test ... > > > > i was trying with nmi_watchdog = 1 (x86_64 machine, dual cpu, quad core, > > HT enabled) and it would report NMI LOCKUP on presentation of the login > > prompt - no chance to run the test. > > > > linux-2.6.22.1-rt9 linux-2.6.23-rc4-rt1 > > lockup on openposix > > sched_yield test occurs yes yes > > > > crash on login prompt > > with nmi_watchdog=1 yes* yes* > > > > (*) console logs attached > > > > > > fyi 2.6.23-rc4 w/o -rt passes the LTP openposix sched_yeild test and > does *not* crash (NMI LOCKUP) if nmi_watchdog=1 is a boot arg. > > so these don't seem to be related to what i'm seeing at least: > > http://thread.gmane.org/gmane.linux.kernel/577449 The patches above are related to nmi_watchdog=2 . Is the same lock up detected with nmi_watchdog=2 ? Daniel - 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
