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Date:      Sat, 18 Jul 2009 21:03:34 +0200
From:      volker@vwsoft.com
To:        =?ISO-8859-1?Q?=C1=F5=BF=AD?= <realliukai@gmail.com>
Cc:        freebsd-net@freebsd.org
Subject:   Re: system panic when i use ath without swap,some advice?
Message-ID:  <4A621C86.1060002@vwsoft.com>
In-Reply-To: <7237120a0907092043ld8a3325mcf1458ef4aab3bf8@mail.gmail.com>
References:  <7237120a0907092043ld8a3325mcf1458ef4aab3bf8@mail.gmail.com>

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On 07/10/09 05:43, Áõ¿­ wrote:
> Hi all
> 
>     My system is atom n270 1G RAM, freebsd 7.2 release .without swap.
>     When my ath is associated with an AP, and the traffic is high, the
> system will panic and reboot. this happened many times.
>     Can you give me some advice please.
> thanks
> 
> Micheal Kevin

Micheal,

sure, if you can give us the actual panic message, and preferable a
backtrace, I'm pretty sure we can.

If you can easily produce the panic, you can also grab the coredump w/o
swap space, if you have a spare USB thumb drive handy (see savecore).
BTW by instructing the kernel to save it's coredump onto a (dedicated)
USB thumb drive, I'm fetching core dumps from embedded units which is
otherwise impossible. You can than later analyze and debug your kernel
crash on a workstation machine.

HTH

Volker



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