Panic with usb serial

[Kostik Belousov]

On Mon, Mar 31, 2008 at 09:48:55AM +0100, Vince Hoffman wrote:
> Marcin Cieslak wrote:
> > Vince wrote:
> >> Jeremy Chadwick wrote:
> > 
> >> Regarding the USB serial adapter, I was supplied it though work a while
> >> back. I believe from my rather fuzzy memory we got it though these guys
> >> http://www.usbnow.co.uk/Cables-USB_to_RS232_Cables/c1_23/index.html
> >> Although I wouldn't swear to it. I'll have an ask if anyone remembers on
> >> monday.
> > 
> > Can you post a fragment of dmesg output? I am interested whether you
> > attach it to the ohci or uhci controller.
> > 
> > --Marcin
> > 
> 
> Sure,
> Please not this is now a different usb adapter as I left mine at home :(
> but I just tested and it exhibits the same behavior, (only difference I
> can see is this says its FIDI while my one says its FTDI, possibly a typo?)
> 
> {root at prawn}#dmesg | grep uhub
> uhub0: <Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb0
> uhub0: 2 ports with 2 removable, self powered
> uhub1: <Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb1
> uhub1: 2 ports with 2 removable, self powered
> uhub2: <Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb2
> uhub2: 2 ports with 2 removable, self powered
> uhub3: <Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb3
> uhub3: 2 ports with 2 removable, self powered
> uhub4: <Intel EHCI root hub, class 9/0, rev 2.00/1.00, addr 1> on usb4
> uhub4: 8 ports with 8 removable, self powered
> umass0: <DATAST0R Technology Corp SATA8000 FW1.0, class 0/0, rev
> 2.00/0.01, addr 2> on uhub4
> ums0: <Microsoft Basic Optical Mouse, class 0/0, rev 1.10/0.00, addr 2>
> on uhub2
> ucom0: <FIDI usb serial converter, class 0/0, rev 1.10/4.00, addr 3> on
> uhub2
> 
> And for what its worth:
> {root at prawn}#more /var/crash/info.14
> Dump header from device /dev/ad0s3b
>   Architecture: i386
>   Architecture Version: 2
>   Dump Length: 154411008B (147 MB)
>   Blocksize: 512
>   Dumptime: Mon Mar 31 09:25:54 2008
>   Hostname: prawn.unsane.co.uk
>   Magic: FreeBSD Kernel Dump
>   Version String: FreeBSD 7.0-STABLE #52: Tue Mar 25 13:45:50 GMT 2008
>     toor at prawn.unsane.co.uk:/usr/local/obj/usr/src/sys/PRAWN7ULE
>   Panic String: page fault
>   Dump Parity: 1302845723
>   Bounds: 14
>   Dump Status: good
> 
> Happy to provide more information but I'm not a programmer so you'll
> probably have to ask me slowly and in words of one syllable ;)

I need two things:
1. The revision of the sys/kern/kern_conf.c file; in particular,
   I need to know whether you have rev. 1.208.2.1 or 1.208.2.2.
2. Regardless of the outcome of the question 1, please show the output
   of the "bt full" from the kgdb loaded with your kernel and crash
   dump. See
http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug.html
   for details on how to obtain useful information from the crash dump.
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