System freezes with Kernel BUG at kernel/time/timer.c:1108 run_timer_softirq()

[Raghavendra. S]

Hi,

  In my x86 laptop I could observe random panic with Fatal exception
in interrupt. We are testing Wi-Fi with our own driver issue occur
randomly after 2-3 hours of testing.

  Panic is due to fatal except in interrupt and Kernel stack trace is
run_timer_softirq()->__run_timers()->cascade()->BUG_ON(tbase_get_base(timer->base)
!= base);

[image: Inline image 1]



  Any pointers to debug this will be of great help.


-Raghu
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