Tried your patch http://www.wanderview.com/svn/public/misc/zfs_livelock/zfs_thread_priority.diff with -current as of today and got kernel trap on boot. kernel trap 12 with interrupts disabled Fatal trap 12: page fault while in kernel mode cpuid = 0; apic id = 00 fault virtual address = 0x200000202 fault code = supervisor read data, page not present instruction pointer = 0x20:0xffffffff803fd572 stack pointer = 0x28:0xffffffff80f8b820 frame pointer = 0x28:0xffffffff80f8b9a0 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = resume, IOPL = 0 current process = 0 (swapper) [thread pid 0 tid 100000 ] Stopped at strlen+0x2: cmpb $0,(%rdi) db> bt Tracing pid 0 tid 100000 td 0xffffffff808497e0 strlen() at strlen+0x2 vsnprintf() at vsnprintf+0x2e kproc_create_stopped() at kproc_create_stopped+0x16e kproc_create() at kproc_create+0x62 kproc_kthread_add() at kproc_kthread_add+0x12b idle_setup() at idle_setup+0x81 mi_startup() at mi_startup+0x59 btext() at btext+0x2c db> reboot --ArtemReceived on Fri Apr 24 2009 - 23:16:39 UTC
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