On Mon, 05 Jun 2006 00:37:22 -0700
Jeremy Fitzhardinge <[email protected]> wrote:
> Jeremy Fitzhardinge wrote:
> > I'm trying to get suspend/resume working properly on my Thinkpad X60.
> > This is a dual-core machine, so its running in SMP mode.
> >
> > Now that I have a set of patches to make AHCI resume properly, I'm
> > getting a crash on the second suspend. I can't get an actual listing of
> > the oops, but I have a set of screenshots if anyone needs more details.
> >
> > The gist is that there's a BUG_ON failing at arch/i386/kernel/nmi.c:174
> > (BUG_ON(counter > NMI_MAX_COUNTER_BITS)), in release_evntsel_nmi. The
> > backtrace is:
> >
> > release_evntsel_nmi
> > stop_apci_nmi_watchdog
> > on_each_cpu
> > disable_lapic_nmi_watchdog
> > lapic_nmi_suspend
> > sysdev_suspend
> > device_power_down
> > suspend_enter
> > enter_state
> > state_store
> > subsys_attr_store
> > sysfs_write_file
> > vfs_write
> > sys_write
> > sysenter_past_esp
>
> This BUG_ON was introduced by the patch
> x86_64-mm-add-performance-counter-reservation-framework-for-up-kernels.patch.
>
http://bugzilla.kernel.org/show_bug.cgi?id=6647 has details.
Do you think the suspend breakage is related to that patch?
Miles also reports that every second suspend fails for him. Miles, does
'nmi_watchdog=0' make it better?
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