I keep getting panics on -current since mid juli, they seem to
always accour here:
IdlePTD 3264512
initial pcb at 299f00
panicstr: page fault
panic messages:
---
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x40000
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc02133a0
stack pointer = 0x10:0xcbffdf34
frame pointer = 0x10:0xcbffdf3c
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 = 2 (pagedaemon)
interrupt mask = net bio cam
trap number = 12
panic: page fault
#0 boot (howto=256) at ../../kern/kern_shutdown.c:303
#1 0xc0160fa0 in poweroff_wait (junk=0xc0249a0f, howto=-872457120)
at ../../kern/kern_shutdown.c:553
#2 0xc0214fb9 in trap_fatal (frame=0xcbffdef4, eva=262144)
at ../../i386/i386/trap.c:929
#3 0xc0214c91 in trap_pfault (frame=0xcbffdef4, usermode=0, eva=262144)
at ../../i386/i386/trap.c:822
#4 0xc0214863 in trap (frame={tf_fs = 16, tf_es = 16, tf_ds = 16,
tf_edi = -1072231923, tf_esi = 0, tf_ebp = -872423620,
tf_isp = -872423648, tf_ebx = 262144, tf_edx = 0, tf_ecx = -1066433920,
tf_eax = 0, tf_trapno = 12, tf_err = 0, tf_eip = -1071565920, tf_cs = 8,
tf_eflags = 66054, tf_esp = -1068397780, tf_ss = 0})
at ../../i386/i386/trap.c:427
#5 0xc02133a0 in pmap_clear_reference (m=0xc0518b2c)
at ../../i386/i386/pmap.c:3012
#6 0xc01e9353 in vm_pageout_scan () at ../../vm/vm_pageout.c:713
#7 0xc01e9f38 in vm_pageout () at ../../vm/vm_pageout.c:1370
#8 0xc020a36c in fork_trampoline ()
This is happening on 3 different machines now, at first I thought
it was bad HW, but since its always here and on 3 machines thats
not likely anymore....
Peter ?? Matt ?? Anybody ??
-Søren
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