I have a machine that crashes instantly on boot up on Linus'
post-3.9 tree. (8c55f1463c1fd318d5e785f02b80bcc32176d342)
By booting with boot_delay=100, I was able to take a photo
and capture the top of the trace. (For some reason, larger boot
delay parameters seem to make it take forever before printing
even a single character, which made this a pain to debug).
The WARN_ON it prints right before locking up is this in
clockevents_program_event
208 if (unlikely(expires.tv64 < 0)) {
209 WARN_ON_ONCE(1);
210 return -ETIME;
211 }
booting with maxcpus=1 avoids the problem.
I'm still trying to get a complete stack trace, though it's painful
due to the above reason.
Dave
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