On 17-Apr-2003 Ian Dowse wrote: > In message <20030417113218.GA96808_at_sunbay.com>, Ruslan Ermilov writes: >> >>Yes, Ian's patch did the trick. Let me know if you still want a backtrace, >>and should it be against the kernel with debug information or not. > > FYI, below is the backtrace that I got. The fact that the trap was > in softclock() was a good indication of a missing callout_stop(). > It looks BTW, as if we convert some kernel page faults into witness > panics, which is not so good... I think it is limited to cases where > we page fault without Giant, but with a spin lock held (in this > case callout_lock). Yes, the trap_pfault() should basically just instantly do a trap_fatal() if td_critnest != 0. -- John Baldwin <jhb_at_FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/Received on Thu Apr 17 2003 - 07:25:53 UTC
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