Issue #2408 has been updated by Max Herrgard.
My box also panics on boot (right after that DMA space... line) Trace by addr2line, as I can't get it to dump. sys/kern/usched_bsd4.c:756 sys/kern/kern_fork.c:775 sys/kern/init_main.c:704 sys/kern/init_main.c:263 ---------------------------------------- Bug #2408: Fatal trap 12: page fault Stopped at bsd4_setrunqueue on Pentium 4 http://bugs.dragonflybsd.org/issues/2408 Author: David Shao Status: New Priority: Normal Assignee: Category: Target version: On a Pentium 4 Asus P4B266 motherboard using set hw.apic_io_enable=0 some commit between 26dd35c9bbbbeffac40d091e7df63b02e7e2f078 rtld: Perform reloc before filtree dependency object init and b148267406ef2d0543d5d87d15c283b2d314516f kernel - Attempt to fix i386 wire_count panic (98) produces a panic on boot: Mounting root from ufs:/dev/serno/WD-WCAL75015619.s1a DMA space used: 232k, remaining available: 16384k Fatal trap 12: page fault while in kernel mode cpuid = 0; lapic.id = 00000000 fault virtual address = 0xc fault code = supervisor read, page not present instruction pointer = 0x8 :0xc03dacaf stack pointer = 0x10:0xc0f4cd08 frame pointer = 0x10:0xc0f4cd44 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, def32 1, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 0 (swapper) current thread = pri 12 (CRIT) <- SMP: XXX kernel: type 12 trap, code = 0 CPU0 stopping CPUs: 0x00000000 stopped Stopped at bsd4_setrunqueue+0x1df: andl 0xc(%eax),%ecx db> trace bsd4_setrunqueue(c308b1d8,c05ed5d,c04a24c,e8,0) at bsd4_setrunqueue+0x1df 0xc03dacaf start_forked_proc(c093bae0,cd6da460,c0f4cd98,c03a9a10,0) at start_forked_proc+0x90 0xc03c0e7b kick_init(0,f48c00,f48c00,f59000,f59000) at kick_init+0x1b 0xc03a9915 mi_startup(f48000,0,0,0,0) at mi_startup+0x89 0xc03a9a10 begin() at begin+0x42 0xc016a7db -- You have received this notification because you have either subscribed to it, or are involved in it. To change your notification preferences, please click here: http://bugs.dragonflybsd.org/my/account