On Tuesday 22 June 2004 05:43 am, Kris Kennaway wrote: > On Mon, Jun 21, 2004 at 09:41:42PM -0700, Kris Kennaway wrote: > > > panic: APIC: Previous IPI is stupcmka > > > u_clpauziydf i=x :0 ;s p > > > cnD efbourg g5e0r0(0"0p0a0n0i > > > ") > > > > I updated this smp machine -current tonight, played with mutex > > profiling a bit, and it died after an hour or so of package building > > load. It hung here. > > This happened again under similar circumstances (running a cvs update > with some network stuff going on). Similar interleaved panic message: > > _anic: APIC: Previous IPI is stpumcakp > nlcapzuyifdi x=: 0s;p u > i Dfeobru g5g0e0r0(0"0p0a0n > c") Seems the two CPUs are deadlocked waiting on each other. The first sent a pmap_lazyfixup IPI to the second but the second has interrupts disabled as it is trying to send an IPI as well. -- John Baldwin <jhb_at_FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.orgReceived on Tue Jun 22 2004 - 19:21:49 UTC
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