Re: Propose for Several Dump types

From: Poul-Henning Kamp (phk_at_phk.freebsd.dk)
Date: 12/15/04

  • Next message: Kirk McKusick: "Re: Propose for Several Dump types" 
    To: Jun Su <csujun@gmail.com>
Date: Wed, 15 Dec 2004 08:51:21 +0100

    In message <cd4370cf04121417446c96319f@mail.gmail.com>, Jun Su writes:
    >On Tue, 14 Dec 2004 08:48:44 +0100, Poul-Henning Kamp
    ><phk@phk.freebsd.dk> wrote:
    >> In message <cd4370cf04121323433255da9d@mail.gmail.com>, Jun Su writes:
    >>
    >> >MiniDump
    >> >=======
    >> >In a minidump, Register info, plus the crash stack is enough.
    >>
    >> Make it an EVENTHANDLER() and dump it in ascii format.
    > ^^^^^^^^^^^^
    >Don't think the ascii format is a good choose. We can only dump the
    >information like the ones we can get in the KDB. My propose is storing
    >the pages that the stack point is in. Then we can get more useful
    >stack in the userland with the kernel file and kernel symbol.

    An ascii format summary is a _great_ format because people can email
    us it without knowing anything else. We could in fact make it
    a /etc/rc.conf tunable: "send_panic_reports=YES" and we would
    receive it in email whenever a crash occured. 

    -- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.
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