Date: Mon, 7 Jul 2003 10:03:52 -0700 From: Joshua Oreman <oremanj@webserver.get-linux.org> To: "Michael E. Mercer" <mmercer@nc.rr.com> Cc: questions@freebsd.org Subject: Re: USB mouse/keyboard causes kernel panic during boot sequence Message-ID: <20030707170352.GC4668@webserver.get-linux.org> In-Reply-To: <1057595687.349.2.camel@dual.mmercer.com> References: <1057595687.349.2.camel@dual.mmercer.com>
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On Mon, Jul 07, 2003 at 12:34:48PM -0400 or thereabouts, Michael E. Mercer wrote:
> Anybody?!?!?!
>
>
>
> Hello peoples,
>
> I have posted this before and unfortunately I still have this problem.
> During the boot sequence, when it probes for the USB devices, it causes
> a kernel panic (page fault) if there is either (or both) a USB mouse
> and/or keyboard attached.
>
> If I remove the mouse and keyboard and let it boot up, then connect
> them, they work just fine.
>
> Any ideas?
> Fatal trap 12: page fault while in kernel mode
> mp_lock = 00000024; cpuid = 0; lapic.id = 00000000
> fault virtual address = 0x4
> fault code = supervisor read, page not present
> instruction pointer = 0x8: 0xc02583c4
^^^^^^^^
> stack pointer = 0x10: 0xc045fd20
> frame pointer = 0x10: 0xc045fd3c
> code segment = base 0x0, limit 0xfffff, type 0x1b
> = DPL 0, pres 1, def 32 1, gran 1
> processor eflags = interrupt enabled, resume, IOPC=0
> current process = 0(swapper)
> interrupt mask = none <- SMP: XXX
> trap number = 12
> panic: page fault
> mp_lock = 00000024; cpuid = 0; lapic.id = 00000000
> Uptime - 0s
That pointer I highlighted is important; it is also kernel-dependent.
Please read FAQ #18.13 to find out how to give us some useful function names,
or better yet, a backtrace.
-- Josh
>
> Thanks
> Michael Mercer
>
>
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