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Date:      Tue, 26 Dec 2006 08:19:33 -0500
From:      Bill Moran <wmoran@collaborativefusion.com>
To:        tfcheng@gmail.com
Cc:        "T.F. Cheng" <tfcheng@yahoo.com>, FreeBSD <freebsd-questions@freebsd.org>
Subject:   Re: system failed, save tasks
Message-ID:  <20061226081933.4bfa5f15.wmoran@collaborativefusion.com>
In-Reply-To: <208487.66573.qm@web51012.mail.yahoo.com>
References:  <208487.66573.qm@web51012.mail.yahoo.com>

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In response to "T.F. Cheng" <tfcheng@yahoo.com>:

> hi,
>   i just got a weird computer voice, saying "system
> failed, save tasks".

By voice, do you mean it actually came out of the speakers?  If so, it's
almost definitely your window manager (GNOME or KDE or whatever) and you
should at least provide information on what WM you're using, but you
might do even better to ask the question on a list dedicated to that WM.

If that's not the case, then I don't know, I've never seen that particular
message before.

 the system is running 
> FreeBSD  6.2-PRERELEASE FreeBSD 6.2-PRERELEASE #6: Sat
> Dec  9 10:03:38 EST 2006    
> root@:/usr/src/sys/i386/compile/TFCHENG  i386
> i wondered what happened, i only have ssh running, and
> there are some attempt of break-in as logged in the
> auth.log,

The failed attempts are fairly routine attacks and not much to worry
about.  The successful attempts are the ones that should make you panic.

 In the /var/log/message, before i rebooted
> the system, the only messages were (on 12/25) :
> Dec 25 20:59:40  kernel: sk0: link state changed to
> DOWN
> Dec 25 20:59:42  kernel: sk0: link state changed to UP
> Dec 25 20:59:56  kernel: sk0: link state changed to
> DOWN
> Dec 25 21:00:00  kernel: sk0: link state changed to UP
> Dec 25 21:00:12  kernel: sk0: link state changed to
> DOWN
> Dec 25 21:00:14  kernel: sk0: link state changed to UP
> Dec 25 21:19:45  kernel: sk0: link state changed to
> DOWN
> Dec 25 21:19:50  kernel: sk0: link state changed to UP
> Dec 25 21:19:50  kernel: NVRM: Xid (0001:00): 4,
> Channel 00000001
> Dec 25 21:19:50  kernel: ad6: TIMEOUT - WRITE_DMA
> retrying (1 retry left) LBA=8598287
> Dec 25 21:19:53  kernel: NVRM: Xid (0001:00): 8,
> Channel 00000000
> Dec 25 21:19:53  kernel: NVRM: Xid (0001:00): 4,
> Channel 00000001
> 
> what might have happened? where should I look??
> 
> thanks!!

Looks like you have some cheap hardware.  I've never seen an sk network
card that wasn't junk, and I seem to remember that they frequently
reset themselves.  The ad6 error could indicate that your HDD is near
failure, or it could just be that your system got overloaded with work
at one point and the HDD was having trouble keeping up, as it seems to
have recovered.  I don't know what the NVRM messages are, but they have
the look of a sound card.

-- 
Bill Moran
Collaborative Fusion Inc.



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