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Date: Thu, 26 Jun 2008 22:00:07 GMT
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To: freebsd-usb@FreeBSD.org
From: Volker Werth <vwe@freebsd.org>
Cc: 
Subject: Re: usb/124980: kernel panic
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The following reply was made to PR usb/124980; it has been noted by GNATS.

From: Volker Werth <vwe@freebsd.org>
To: Veniamin <g.veniamin@googlemail.com>
Cc: freebsd-gnats-submit@FreeBSD.org
Subject: Re: usb/124980: kernel panic
Date: Thu, 26 Jun 2008 23:32:03 +0200

 On 12/23/-58 20:59, Veniamin wrote:
 ...
 
 >> Description:
 > (kgdb) core-file vmcore.1
 > 
 > Unread portion of the kernel message buffer:
 > umass0: at uhub3 port 3 (addr 2) disconnected
 > 
 > 
 > Fatal trap 12: page fault while in kernel mode
 > fault virtual address   = 0x0
 > fault code              = supervisor write, page not present
 > instruction pointer     = 0x20:0xc044e89b
 > stack pointer           = 0x28:0xc4afa9b4
 > frame pointer           = 0x28:0xc4afa9d0
 > code segment            = base 0x0, limit 0xfffff, type 0x1b
 >                         = DPL 0, pres 1, def32 1, gran 1
 > processor eflags        = interrupt enabled, resume, IOPL = 0
 > current process         = 19 (usb3)
 > trap number             = 12
 > panic: page fault
 > Uptime: 5m1s
 > Physical memory: 2006 MB
 > Dumping 78 MB: 63 47 31 15
 > 
 > Loaded symbols for /boot/kernel/snd_ich.ko
 > Loaded symbols for /boot/kernel/sound.ko
 > Loaded symbols for /boot/kernel/umodem.ko
 > Loaded symbols for /boot/kernel/i915.ko
 > Loaded symbols for /boot/kernel/acpi.ko
 > #0  doadump () at pcpu.h:196
 > 196     pcpu.h: No such file or directory.
 >         in pcpu.h
 > (kgdb)
 >> How-To-Repeat:
 > In connection vinchestre through adapter ide to usb. 
 > hdd TOSHIBA MK6025GAS for notebook
 
 Veniamin,
 
 please give us the backtrace (while in kgdb, 'bt' command and a 'list
 0xc044e89b'). Also please tell us what you've done prior to getting this
 panic (device insert, device removal, accessing the device etc.).
 
 What kld's have been loaded?
 
 Volker