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Date: Mon, 5 Jul 2004 12:08:52 -0700 (PDT)
From: Luke <luked@pobox.com>
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Subject: Re: Yesterday's code panics: Don't call insmntque(foo, NULL)
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> On Mon, 5 Jul 2004, Chris Shenton wrote:
>> I built a kernel from CVS yesterday, installed it and rebooted this
>> morning.  It panicked with the message (manually copied):
>> 
>>  ...
>>  mounting root from ufs:/dev/amrd0s1a
>>  panic: Don't call insmntque(foo, NULL)
>>  Debugger("panic")
>>  Stopped at Debugger+0x45: xchgl %ebx, in_Debugger.0
>> 
>> This message appears in /usr/src/sys/kern/vfs_subr.c
>> 
>> Any suggestions?
>> 
>> Thanks.
>
> Perhaps I don't have the right debugging options turned on, but I'm getting a 
> page fault at that same spot (mounting root) with kernels built on source 
> from about fifteen minutes ago.
> Kernels built from source from June 26 work.
>
> I've tried different kernel options trying to find something that doesn't 
> crash, but no luck so far.

Sorry, I spoke too soon.  Disabling ACPI at the loader allows the system 
to mount root.