On Tue, Mar 29, 2005 at 12:09:19PM +0200, Oleg Tarasov wrote: > Hello, > > This problem had unusual solution. It seems the key to this problem is > that FreeBSD 5.3-STABLE-p5 (I have updated my system) has DEADLOCKS > when intensively using sio device on high speed (115200) with SMP support. > It seems that MPSAFE causes those deadlocks. Turning > > debug.mpsafenet="0" > > in /boot/loader.conf > makes the system to work fine & stable instead of panicing every hour > or more often
Does enabling WITNESS support (and possibly excluding WITNESS_SKIPSPIN) produce any diagnostics? Kris
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