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From: "Michael E. Mercer" <mmercer@nc.rr.com>
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Date: 07 Jul 2003 12:34:48 -0400
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Subject: USB mouse/keyboard causes kernel panic during boot sequence
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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?

Thanks
Michael Mercer

uname -a
FreeBSD dual.mmercer.com 4.8-STABLE FreeBSD 4.8-STABLE #0: 
Tue Jul  1 11:44:10 EDT 2003     root@dual.mmercer.com:/usr/src/sys/compile/dualII_4_8  i386

snippet from dmesg
uhci0: <Intel 82371AB/EB (PIIX4) USB controller> port 0xef80-0xef9f irq 2 at device 7.2 on pci0
uhci0: LegSup = 0x0000003a
usb0: <Intel 82371AB/EB (PIIX4) USB controller> on uhci0
usb0: USB revision 1.0
uhub0: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered


ERROR MESSAGE
uhub2: 2 ports with 2 removable, self powered

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