kernel panic at boot on any 6.x OS

[Joe Auty]

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Hey Kip,

I'd gladly try a snapshot kernel, but I'm not sure which one to pick  
out of this list:

ftp://ftp.freebsd.org/pub/FreeBSD/releases/i386/6.2-RELEASE/kernels

Any suggestions?



On Feb 25, 2007, at 2:59 AM, Kip Macy wrote:

> It looks as if you've hit a device driver that is trying to print out
> a null string. The message you've given doesn't provide any more
> information than that. If you install a snapshot kernel it will
> probably have ddb compiled in which will allow you to at least get a
> backtrace. I'm sorry you're having trouble.
>
> -Kip
>
>
>
>
> On 2/24/07, Joe Auty <joe at netmusician.org> wrote:
>> Hello,
>>
>> (sorry, don't know whether kernel problems should go to questions or
>> hackers, or both)..
>>
>> This has been a long-standing problem of mine, but I always ignored
>> it hoping it would go away on its own with a future 6.x release, but
>> it remains...
>>
>> No matter whether I boot into safe mode or regular mode, with all
>> kernel extensions disabled in /boot/loader.conf, I get the following
>> panic late at boot of a fresh RELENG_6_2 kernel (with only a few
>> services left to bring up). The 6.x kernels I've tried all build and
>> installed cleanly without any errors...
>>
>>
>> > WARNING: Device driver "
>> >
>> > Fatal trap 12: page fault while in kernel mode
>> > fault virtual address = 0x400000
>> > fault code = supervisor read, page not present
>> > instruction pointer = 0x20:0xc06d4614
>> > stack pointer = 0x28:0xf015491c
>> > frame pointer = 0x28:0xf015491c
>> > code segment = base 0x0, limit 0xffffff, type 0x1b
>> >            = DPL 0, pres 1, def32 1, gran 1
>> > processor eflags = interupt enabled, resume, IOPL = 0
>> > current process = 898 (kldload)
>> > trap number = 12
>> > panic: page fault
>> > uptime: 36s
>> > cannot dump. No dump device defined
>> > automatic reboot in 15 seconds
>>
>>
>> This problem does not occur within any 5.x OS for me. I would
>> certainly like to resolve this issue now, but this sort of debugging
>> is over my head beyond running fsck (which I've tried). Any ideas  
>> here?
>>
>> Thanks in advance for your help!
>>
>>
>>
>>
>>
>> -----------
>> Joe Auty
>> NetMusician: web publishing software for musicians
>> http://www.netmusician.org
>> joe at netmusician.org
>>
>>
>>
>>
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