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

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
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