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RE: VM problem: hdd thrash + hang
- To: "'Alon Altman'" <alon(at-nospam)vipe.technion.ac.il>, "'Linux-IL'" <linux-il(at-nospam)linux.org.il>
- Subject: RE: VM problem: hdd thrash + hang
- From: "Haim Gelfenbeyn" <rnews(at-nospam)hageltech.com>
- Date: Fri, 6 Jul 2001 08:31:12 +0300
- Delivered-To: linux.org.il-linux-il@linux.org.il
- Importance: Normal
- In-Reply-To: <Pine.LNX.4.33.0107060802260.1232-100000@alon1.dhs.org>
- Organization: Hagel Technologies
- Reply-To: <haim(at-nospam)hageltech.com>
- Sender: linux-il-bounce(at-nospam)cs.huji.ac.il
I don't think this is VM problem... Look more like misbehaved program
running as root which allocates more and more memory .VM starts killing
processes when some resource gets scarse (I don't remember if it's CPU
time or virtual memory). Maybe you should look at sysstat, it will log
CPU and memory useage, and you will find what process goes out of hand
when it happens next time.
Haim.
> -----Original Message-----
> From: linux-il-bounce@cs.huji.ac.il
> [mailto:linux-il-bounce@cs.huji.ac.il] On Behalf Of Alon Altman
> Sent: Friday, July 06, 2001 8:10 AM
> To: Linux-IL
> Subject: VM problem: hdd thrash + hang
>
>
> Hi,
> Once in a while, typically in high-load situations, my
> linux PC gets into
> a state where it constantly thrashes the HD (probably
> swapping) and no user
> application runs properly. All local interaction hangs. ping
> from remote
> works just fine, but other TCP services accept the connection
> but do not
> send any text. The only thing left for me to do is to
> manually reset the PC.
>
> Also, I get the following lines in syslog (All addresses
> changed to prevent
> detection of the specific workstation involved):
>
> Jul 6 04:50:38 mypc proftpd[810]: mypc.mydomain - Error:
> unable to accept an incoming connection (Connection reset by peer)
> Jul 6 04:57:38 mypc kernel: VM: killing process master
> Jul 6 05:03:47 mypc proftpd[810]: mypc.mydomain - Error:
> unable to accept an incoming connection (Connection reset by peer)
> Jul 6 05:06:22 mypc kernel: VM: killing process hlds_run
> Jul 6 05:06:39 mypc proftpd[3693]: mypc.mydomain
> (remote.pc[1.2.3.4]) - FTP session closed.
> Jul 6 05:23:06 mypc kernel: VM: killing process kdeinit
> Jul 6 05:37:00 mypc kernel: VM: killing process vmware-nmbd
> Jul 6 05:41:02 mypc kernel: VM: killing process sshd
> Jul 6 05:56:12 mypc kernel: VM: killing process xfs
> ..
>
> What can be causeing these problems, and how can I prevent this.
>
> --
> This message was sent by Alon Altman (Psycho99@bigfoot.com)
> ICQ:1366540
> The RIGHT way to contact me is by e-mail. I am otherwise
> nonexistent :)
> --------------------------------------------------------------
> ------------
> An adequate bootstrap is a contradiction in terms.
>
>
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