On Fri, 13 Aug 2004, Doug White wrote: > On Fri, 13 Aug 2004, Martin Blapp wrote: > > > Since yesterday I'm getting complete deadlocks. This time unrelated > > the servers are nor loaded at all, the just freeze after a while. > > No break into DDB possible at all. > > Welcome to the club; I've been having them on my -curent builder since > Aug 4. I'm going to set up a duplicate box and start binary-searching > for the offending commit(s). > > Preemption is the default, disabled. > > My box is a dual-600MHz P3 with 1GB RAM and running kde. A make -j3 > buildworld will lock it up 75% of the time. It'll survive a nonparallel > build, and it'll survive a kernel build. > > Haven't tried WITNESS+INVARIANTS yet since it really dogs the machine. > :) If I leave SMP boxes running large parallel kernel builds overnight, I will eventually get a solid hang. I tried it on a new SMP box with an NMI button I received yesterday but was unable to get into the debugger. I'm in the process of de-obfuscating the NMI path to increase the chances of successfully getting into the debugger and then I'll try again to see what I can figure out. Robert N M Watson FreeBSD Core Team, TrustedBSD Projects robert_at_fledge.watson.org Principal Research Scientist, McAfee ResearchReceived on Fri Aug 13 2004 - 17:26:54 UTC
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