Date: Wed, 26 May 2004 12:34:09 +0200 From: Klaus Robert Suetterlin <robert@mpe.mpg.de> To: John Baldwin <jhb@FreeBSD.org> Cc: current@FreeBSD.org Subject: panic: device_set_ivars(NULL, ...) (was: fatal trap 12 when booting without ACPI) Message-ID: <200405261034.i4QAY9mq009144@robert2.mpe-garching.mpg.de> In-Reply-To: Your message of "Tue, 25 May 2004 10:18:41 EDT." <200405251018.41994.jhb@FreeBSD.org>
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I recompiled the kernel with all invariants and ddb enabled, which
seems to catch the problem already while setting some invariants.
See further down.
Without invariants or ddb, I get the following:
pcib5: <ServerWorks NB6635 3.0LE host to PCI bridge> at pcibus 5 on motherboard
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x44
fault code = supervisor write, age not present
instruction pointer = 0x8:0xc04f0919
stack pointer = 0x10:0xc0821c34
frame pointer = 0x10:0xc0821c34
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)
trap number = 12
panic: page fault
at line 815 in file /usr/src/sys/i386/i386/trap.c
Uptime: 1s
With invariants and ddb in I get:
pcib5: <ServerWorks NB6635 3.0LE host to PCI bridge> at pcibus 5 on motherboard
panic: device_set_invars(NULL, ...)
at line 1353 in file ../../../kern/subr_bus.c
Debugger("panic")
Stopped at Debugger+0x54: xchgl %ebx,in_Debugger.0
db>
``db> where'' results in (truncated ``[...]'' alot of information):
Debugger[...]
__panic[...]
device_set_invars[...]
legacy_add_child[...]
legacy_pcib_attach[...]
[...]
Please tell me what data You need (like full where with argument
values and addresses).
Regards, Robert S.
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