On 19/11/2004 6:59 PM, Peter Holm wrote: > On Mon, Nov 15, 2004 at 03:46:15PM -0500, John Baldwin wrote: >>On Friday 12 November 2004 07:33 am, Peter Holm wrote: >>>GENERIC HEAD from Nov 11 08:05 UTC >>> >>>The following stack traces etc. was done before my first >>>cup of coffee, so it's not so informative as it could have been :-( >>> >>>The test box appeared to have been frozen for more than 6 hours, >>>but was pingable. >>> >>>http://www.holm.cc/stress/log/cons86.html >> >>A weak guess is that you have the system in some sort of livelock due to >>fork()? Have you tried running with 'debug.mpsafevm=1' set from the loader? > > OK, I've got some more info: > > http://www.holm.cc/stress/log/cons88.html > > Looks like a spin in uma_zone_slab() when slab_zalloc() fails? I thought that sounded vaguely familiar -- not sure if it's relevant but I did see that Lukas (le_at_) had pointed to freezes that looked to be in the similar area (going off the backtrace he posted). I haven't looked into it at all but thought it might be relevant to someone looking at the issue: http://docs.freebsd.org/cgi/getmsg.cgi?fetch=413571+0+current/freebsd-stable Cheers AntonyReceived on Fri Nov 19 2004 - 08:00:23 UTC
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