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From: Lukas Ertl <le@FreeBSD.org>
To: Bryan Liesner <bryan@kishka.net>
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Subject: Re: Panic:  EHCI and umass
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On Mon, 28 Jun 2004, Bryan Liesner wrote:

> Fatal trap 12: page fault while in kernel mode
> fault virtual address	= 0x53425355
> fault code		= supervisor read, page not present
> instruction pointer	= 0x8:0xc051c117
> stack pointer	        = 0x10:0xd4294ab0
> frame pointer	        = 0x10:0xd4294ad0
> 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		= 20 (irq10: pcm0 ehci0)
> kernel: type 12 trap, code=0

Since I've now gotten hold of a large USB2 disk, I tried to reproduce this 
but successfully dumped 4GB of data, until I hit the msdosfs filesize 
limit.

regards,
le

-- 
Lukas Ertl                         http://homepage.univie.ac.at/l.ertl/
le@FreeBSD.org                     http://people.freebsd.org/~le/