Re: Propose for Several Dump types

From: Jun Su (csujun_at_gmail.com)
Date: 12/15/04

  • Next message: Poul-Henning Kamp: "Re: Propose for Several Dump types" 
    Date: Wed, 15 Dec 2004 16:36:53 +0800
To: Poul-Henning Kamp <phk@phk.freebsd.dk>

    On Wed, 15 Dec 2004 08:51:21 +0100, Poul-Henning Kamp
    <phk@phk.freebsd.dk> wrote:
    > 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.
    We can also create an automation system to collect these information.
    When the number of crash in same function reaches a thorehold, it will
    send a report to a ML. :-) Sounds your idea is interesing.
    Anyway, I still think ascii format dump can not replace the minidump.
    Minidump can provide more information.
    >
    > --
    > 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.
    > 

    -- 
-- Jun Su
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