The interesting patch (#3) which "prevents a fatal page fault"
technically does not fix a CPU problem but a BIOS-related
(INT15) issue.
The BIOS is an XpressROM a059 labeled "3597", by the way.
The INT15 patch had no effect :-(. It's a possibility that I have
patched the kernel wrongly, I'm new to both BSD and the pfSense
development environment.
Once you get to the debug prompt, the main thing, I believe,
is to run 'bt' and copy/paste that output back here to the list.
Ok, here goes.
DDB seems to be confused as to whether 'swapper' is pid 0 or pid 1 -
see near the end.
Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address = 0xeb11f
fault code = supervisor read, page not present
instruction pointer = 0x20:0xc00eb631
stack pointer = 0x28:0xc0c209e0
frame pointer = 0x28:0xc0c209e0
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 = base 0x0, limit 0xfffff, type 0x1b
= 0 (swapper)
[thread pid 0 tid 0 ]
Stopped at 0xc00eb631: cmpb %cs:0x1(%esi),%bl
db> tr
Tracing pid 0 tid 0 td 0xc0a72320
kernbase(c00f4fa2,c00f4fa0,c090c15d,a0a,68) at 0xc00eb631
_end(cb9d08c4,52495024,600100,9000,21078) at 0xc0c20a38
db> ps
pid proc uid ppid pgrp flag stat wmesg wchan cmd
19 c1ea1a3c 0 0 0 0000204 [IWAIT] swi2: cambio
8 c1dd920c 0 0 0 0000204 [RUNQ] kqueue taskq
18 c1dd9418 0 0 0 0000204 [IWAIT] swi5: +
7 c1dd9624 0 0 0 0000204 [RUNQ] thread taskq
17 c1dd9830 0 0 0 0000204 [IWAIT] swi6: +
16 c1dd9a3c 0 0 0 0000204 [IWAIT] swi6: task queue
15 c1dd9c48 0 0 0 0000204 [RUNQ] yarrow
6 c1dfd000 0 0 0 0000204 [RUNQ] crypto returns
5 c1dfd20c 0 0 0 0000204 [RUNQ] crypto
4 c1dfd418 0 0 0 0000204 [RUNQ] g_down
3 c1dd4000 0 0 0 0000204 [RUNQ] g_up
2 c1dd420c 0 0 0 0000204 [RUNQ] g_event
14 c1dd4418 0 0 0 0000204 [IWAIT] swi3: vm
13 c1dd4624 0 0 0 000020c [IWAIT] swi4: clock
12 c1dd4830 0 0 0 0000204 [IWAIT] swi1: net
11 c1dd4a3c 0 0 0 000020c [Can run] idle: cpu0
1 c1dd4c48 0 0 0 0000200 [INACTIVE] swapper
10 c1dd9000 0 0 0 0000204 [RUNQ] ktrace
0 c0a72100 0 0 0 0000200 [CPU 0] swapper
db> show threads
100026 (0xc1ea2320) fork_trampoline() at fork_trampoline
100008 (0xc1dd5320) fork_trampoline() at fork_trampoline
100009 (0xc1dd5190) fork_trampoline() at fork_trampoline
100010 (0xc1dd5000) fork_trampoline() at fork_trampoline
100011 (0xc1dda320) fork_trampoline() at fork_trampoline
100012 (0xc1dda190) fork_trampoline() at fork_trampoline
100013 (0xc1dda000) fork_trampoline() at fork_trampoline
100014 (0xc1dd6e10) fork_trampoline() at fork_trampoline
100015 (0xc1dd6c80) fork_trampoline() at fork_trampoline
100016 (0xc1dd6af0) fork_trampoline() at fork_trampoline
100000 (0xc1dd6000) fork_trampoline() at fork_trampoline
100001 (0xc1dd5e10) fork_trampoline() at fork_trampoline
100002 (0xc1dd5c80) fork_trampoline() at fork_trampoline
100003 (0xc1dd5af0) fork_trampoline() at fork_trampoline
100004 (0xc1dd5960) fork_trampoline() at fork_trampoline
100005 (0xc1dd57d0) fork_trampoline() at fork_trampoline
100006 (0xc1dd5640) fork_trampoline() at fork_trampoline
100007 (0xc1dd54b0) fork_trampoline() at fork_trampoline
0 (0xc0a72320) kernbase(c00f4fa2,c00f4fa0,c090c15d,a0a,68) at 0xc00eb631
db> alltrace
Tracing command swi2: cambio pid 19 tid 100026 td 0xc1ea2320
fork_trampoline() at fork_trampoline
Tracing command kqueue taskq pid 8 tid 100008 td 0xc1dd5320
fork_trampoline() at fork_trampoline
Tracing command swi5: + pid 18 tid 100009 td 0xc1dd5190
fork_trampoline() at fork_trampoline
Tracing command thread taskq pid 7 tid 100010 td 0xc1dd5000
fork_trampoline() at fork_trampoline
Tracing command swi6: + pid 17 tid 100011 td 0xc1dda320
fork_trampoline() at fork_trampoline
Tracing command swi6: task queue pid 16 tid 100012 td 0xc1dda190
fork_trampoline() at fork_trampoline
Tracing command yarrow pid 15 tid 100013 td 0xc1dda000
fork_trampoline() at fork_trampoline
Tracing command crypto returns pid 6 tid 100014 td 0xc1dd6e10
fork_trampoline() at fork_trampoline
Tracing command crypto pid 5 tid 100015 td 0xc1dd6c80
fork_trampoline() at fork_trampoline
Tracing command g_down pid 4 tid 100016 td 0xc1dd6af0
fork_trampoline() at fork_trampoline
Tracing command g_up pid 3 tid 100000 td 0xc1dd6000
fork_trampoline() at fork_trampoline
Tracing command g_event pid 2 tid 100001 td 0xc1dd5e10
fork_trampoline() at fork_trampoline
Tracing command swi3: vm pid 14 tid 100002 td 0xc1dd5c80
fork_trampoline() at fork_trampoline
Tracing command swi4: clock pid 13 tid 100003 td 0xc1dd5af0
fork_trampoline() at fork_trampoline
Tracing command swi1: net pid 12 tid 100004 td 0xc1dd5960
fork_trampoline() at fork_trampoline
Tracing command idle: cpu0 pid 11 tid 100005 td 0xc1dd57d0
fork_trampoline() at fork_trampoline
Tracing command swapper pid 1 tid 100006 td 0xc1dd5640
fork_trampoline() at fork_trampoline
Tracing command ktrace pid 10 tid 100007 td 0xc1dd54b0
fork_trampoline() at fork_trampoline
Tracing command swapper pid 0 tid 0 td 0xc0a72320
kernbase(c00f4fa2,c00f4fa0,c090c15d,a0a,68) at 0xc00eb631
_end(cb9d08c4,52495024,600100,9000,21078) at 0xc0c20a38
db>
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