Re: [2.6.17-rc5-mm2] crash when doing second suspend: BUG in arch/i386/kernel/nmi.c:174

[Jeremy Fitzhardinge <jeremy@goop.org>]

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.

    J