On Fri, 30 Nov 2012 01:29:44 +0200, Konstantin Belousov <kostikbel_at_gmail.com> wrote: > Please apply the patch below and obtain the backtrace of the double fault > panic again. I will commit the patch later. Thanks for the patch. WARNING: WITNESS option enabled, expect reduced performance. Trying to mount root from zfs:zroot []... Fatal double fault: eip = 0xc0e93e07 esp = 0xc86bffbc ebp = 0xc86c0032 cpuid = 1; apic id = 01 panic: double fault cpuid = 1 KDB: enter: panic [ thread pid 1 tid 100002 ] Stopped at kdb_enter+0x3d: movl $0,kdb_why db> bt Tracing pid 1 tid 100002 td 0xc89efbc0 kdb_enter(c1065960,c1065960,c10b903b,c139f438,aef01785,...) at kdb_enter+0x3d/frame 0xc139f3f0 panic(c10b903b,1,1,1,c86c0032,...) at panic+0x14b/frame 0xc139f42c dblfault_handler() at dblfault_handler+0xab/frame 0xc139f42c --- trap 0x17, eip = 0xc0e93e07, esp = 0xc86bffbc, ebp = 0xc86c0032 --- __qdivrem(0,aba80000,c10d,98600000,68c119,...) at __qdivrem+0x197/frame 0xc86c0032 db>Received on Fri Nov 30 2012 - 11:48:32 UTC
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