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Re: Weird GNUMach crash

From: Marco Gerards
Subject: Re: Weird GNUMach crash
Date: Mon, 16 Feb 2004 18:54:29 +0100
User-agent: Gnus/5.1006 (Gnus v5.10.6) Emacs/21.3 (gnu/linux)

"Alfred M. Szmidt" <ams@kemisten.nu> writes:

>    panic: zalloc: zone kalloc.8192 exhausted
>    (There is a small pause here and a bit of disk activity/ flashing IDE LEDs)
>    hd1: irq timeout: status=0x58 { DriveReady SeekComplete DataRequest }
>    hd0: disabled DMA
>    hd1: disabled DMA
>    ide0: reset: success
>    (And here my box reboots after some seconds)
> Silly question maybe, but, how much RAM and swap do you have?  zalloc
> messages tend to pop up when you have to little swap or RAM.

390MB RAM.  And this was after a fresh boot with nothing started yet.
And I do not remember how much swap I have, but I assume that is not
really relevant.

>    Does someone have any idea what the problem might be and how I can
>    debug this?  I am willing to do so but I am afraid that it can be
>    quite hard (and that I do not have the experience and perhaps not
>    enough knowledge) so I would appreciate some help (a pointer in the
>    right direction).
> If you have a serial console then you could check what is happening in
> Mach (and maybe crash).  Do you have a serial console?

Yes, I do.  You mean the kernel debugger?  How to use this?

>    Are other people able to reproduce the same?  Please notice that
>    you will need to test this using a second partition.
> I can't reproduce this.  / is on /dev/hd0s1.

Oh, weird.


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