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Date:      Tue, 15 Jul 2008 11:23:09 +0200
From:      "Paul B. Mahol" <onemda@gmail.com>
To:        freebsd-usb@freebsd.org
Subject:   Re: Crash when booting with umass device connected
Message-ID:  <3a142e750807150223w6f264048wd9e13ae8846b593c@mail.gmail.com>
In-Reply-To: <3a142e750807150219j5a619135x19edba16e6590c21@mail.gmail.com>
References:  <3632806C83D31F1A23DE0F0A@utd65257.utdallas.edu> <3a142e750807150219j5a619135x19edba16e6590c21@mail.gmail.com>

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On 7/14/08, Paul Schmehl <pschmehl_lists@tx.rr.com> wrote:
> I'd like to work with someone to provide useful information about this
> problem.
> Ever since upgrading my workstation to 7.0 STABLE, I cannot boot with my
> umass
> device connected.  Once the system is up and running, I can mount the
> device
> with no problems.
>
> During the boot process, the device is detected, but then it causes a
> kernel
> panic.  I'm logging the console to console.log, but there is no useful
> information there.  I've enabled USB_DEBUG and rebuilt the kernel, but I
> have
> no idea how to capture the information printed to the console when this
> failure
> occurs.  (I'm seriously considering taking a photograph of the screen
> since
> I
> can't do a screenshot and I can't find the information in any logs.)
>
> I'd post a bug, but without some trace information, it's kind of
> worthless.
> If
> I can get help from someone knowledgeable, I'll provide whatever
> information
> is
> needed to track this problem down.

Look in Developers handbook for more info
/usr/share/doc/en/books/developers-handbook/index.html

I think that textdumps are MFCed to STABLE.
Textdumps provide easy way for gathering backtraces.



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