Messages in this thread | | | Subject | Re: [debug patch] printk: Add a printk killswitch to robustify NMI watchdog messages | From | Peter Zijlstra <> | Date | Mon, 06 Jun 2011 12:26:57 +0200 |
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On Mon, 2011-06-06 at 12:00 +0200, Arne Jansen wrote: > As expected this apparently fixes the problem. But are we confident > enough this is the true source? If it's really that simple, printk > calling into the scheduler, why am I the only one seeing this?
Right, so apparently you have contention on console_sem and the up() actually does a wakeup. I'm still trying to figure out how to do that.
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