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Date:      Thu, 30 Dec 2004 09:48:01 +0100 (CET)
From:      Erwin Lansing <erwin@bamse.staff.tdk.net>
To:        FreeBSD-gnats-submit@FreeBSD.org
Subject:   kern/75648: panic while loading usb.ko on 4.11-PRE
Message-ID:  <200412300848.iBU8m1mL065000@bamse.staff.tdk.net>
Resent-Message-ID: <200412300900.iBU90ek0024701@freefall.freebsd.org>

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>Number:         75648
>Category:       kern
>Synopsis:       panic while loading usb.ko on 4.11-PRE
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Dec 30 09:00:39 GMT 2004
>Closed-Date:
>Last-Modified:
>Originator:     Erwin Lansing
>Release:        FreeBSD 4.11-PRERELEASE i386
>Organization:
TDC Solutions
>Environment:
System: FreeBSD bamse.staff.tdk.net 4.11-PRERELEASE FreeBSD 4.11-PRERELEASE #8: Wed Dec 22 14:18:03 CET 2004 root@bamse.staff.tdk.net:/usr/obj/usr/src/sys/BAMSE i386


	
>Description:

a panic occurs while loading usb.ko

	
>How-To-Repeat:

First error:

bamse# kldload uplcom
kldload: can't load uplcom: Exec format error

Dec 22 14:23:22 bamse /kernel: link_elf: symbol usbd_abort_pipe
undefined

However:
bamse# kldload usb
bamse# kldload uplcom

ucom0: Prolific Technology PL2303 Serial adapter (ATEN/IOGEAR UC232A),
rev 1.10/ 2.02, addr 2

bamse# cu -l ucom0
Connected.


Second, a panic during 'kldload usb':

uhci0: <Intel 82801EB (ICH5) USB controller USB-A> port 0x1440-0x145f
irq 2 at device 29.0 on pci0
usb0: <Intel 82801EB (ICH5) USB controller USB-A> 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
uhci1: <Intel 82801EB (ICH5) USB controller USB-B> port 0x1460-0x147f
irq 5 at device 29.1 on pci0
usb1: <Intel 82801EB (ICH5) USB controller USB-B> on uhci1
usb1: USB revision 1.0
uhub1: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 2 ports with 2 removable, self powered
uhci2: <Intel 82801EB (ICH5) USB controller USB-C> port 0x1480-0x149f
irq 10 at device 29.2 on pci0


Fatal trap 12: page fault while in kernel mode
mp_lock = 00000003; cpuid = 0; lapic.id = 00000000
fault virtual address   = 0x4
fault code              = supervisor read, page not present
instruction pointer     = 0x8:0xc220e4ba
stack pointer           = 0x10:0xd703dc30
frame pointer           = 0x10:0xd703dc34
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, def32 1, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 3
current process         = 634 (kldload)
interrupt mask          = bio  <- SMP: XXX
trap number             = 12
panic: page fault
mp_lock = 00000003; cpuid = 0; lapic.id = 00000000
boot() called on cpu#0


Backtrace at: http://people.freebsd.org/~erwin/usb-panic.txt

	
>Fix:

	


>Release-Note:
>Audit-Trail:
>Unformatted:



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