Re: Repeated panics...Suspect USB issues

From: Doug White (dwhite_at_gumbysoft.com)
Date: 03/12/05

  • Next message: Doug White: "Re: Storage AX100i and Qlogic or another method to mirror" 
    Date: Fri, 11 Mar 2005 18:51:22 -0800 (PST)
To: Josh Tolbert <hemi@puresimplicity.net>

    On Fri, 11 Mar 2005, Josh Tolbert wrote:

    > > A backtrace would be nice. See the developer's handbook on kernel
    > > debugging for details.
    >
    > I'm trying to get a backtrace. I've built a kernel with all the right
    > bits, set up dumpdir and dumpdev in /etc/rc.conf, etc...Apparently
    > savecore doesn't like writing to the swap partition (/dev/ar0s1b). I can
    > get to the ddb promp, obtain a trace, panic the machine, etc...But I
    > don't think I can obtain a good core without putting another hard drive
    > in the machine, which isn't going to happen till sometime next week...Is
    > there anything I can provide from the ddb prompt?

    savecore *reads* from the swap partition, not *writes* to it. It will drop
    the recovered core in /var/crash unless you tell it otherwise.

    The developer's handbook has a command list for ddb. "trace" is generally
    what we want. 

    -- 
Doug White                    |  FreeBSD: The Power to Serve
dwhite@gumbysoft.com          |  www.FreeBSD.org
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  • Next message: Doug White: "Re: Storage AX100i and Qlogic or another method to mirror"

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