Re: Panic with amr and 5.4-PRERELEASE

From: Philippe PEGON (Philippe.Pegon_at_crc.u-strasbg.fr)
Date: 03/14/05

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    Date: Mon, 14 Mar 2005 22:22:36 +0100
To: current@freebsd.org

    Philippe PEGON a écrit :
    > Hi,
    >
    > I have a FreeBSD bi-processor box with amr device in FreeBSD
    > 5.4-prerelease of this week.
    > # uname -a
    > FreeBSD sokaris2.u-strasbg.fr 5.4-PRERELEASE FreeBSD 5.4-PRERELEASE #3:
    > Thu Mar 10 15:33:01 CET 2005
    > root@crc.u-strasbg.fr:/usr/obj/usr/src/sys/SOKARIS2 i386
    >
    > Starting a program which continuously polls the state of the raid array
    > (amrstat, see source attached), and making a buildworld at the same time
    > triggers a kernel panic. The problem is fairly easy to reproduce.
    >
    > Features added in the SMP kernel : altq, KDB, DDB, GDB (see config file
    > and dmesg output attached). The kernel is launched with ACPI disabled.
    >
    > A stack trace of the kernel panic and the result of a remote gdb follow.
    >
    > Thank you by advance for your help,
    >
    > Philippe PEGON
    > ...

    For information, Scott Long has committed a patch for amr.c in current
    yesterday which solved this problem (I've tested).

    Thank you Scott 

    --
Philippe PEGON
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