RE: Livelock seen on current with threaded processes
From: Daniel Eriksson (daniel_k_eriksson_at_telia.com)
Date: 06/07/05
- Previous message: Robert Watson: "Re: [PATCH] IFS: Inode FileSystem"
- In reply to: Kevin Oberman: "Livelock seen on current with threaded processes"
- Next in thread: Kevin Oberman: "Re: Livelock seen on current with threaded processes"
- Reply: Kevin Oberman: "Re: Livelock seen on current with threaded processes"
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
To: <freebsd-current@FreeBSD.org> Date: Tue, 7 Jun 2005 02:40:02 +0200
Kevin Oberman wrote:
> I run transcode on a video file to convert it to divx4 using the xvid4
> library. I do this with nice set to 10 and top confirms that it is set
> to 10. At various times, the system starts locking up. Windows won't
> refresh. Shell commands never execute (nor do keys echo) in
> some windows
> including syscons vtys. If my gkrellm is still alive (and it usually
> is), I see the system at 97% CPU and nothing else busy. There
> is a bit a
> disk I/O but not much.
This sounds a lot like the problems I described in the thread "Serious I/O
problems (bad performance and live-lock)" from a few weeks ago. It seems
that when the VM subsystem is put under pressure the machine comes to a
grinding halt. In my case I could trigger this with a simple 'dd' (on a
filesystem, not on a raw device).
/Daniel Eriksson
_______________________________________________
freebsd-current@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/freebsd-current
To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
- Previous message: Robert Watson: "Re: [PATCH] IFS: Inode FileSystem"
- In reply to: Kevin Oberman: "Livelock seen on current with threaded processes"
- Next in thread: Kevin Oberman: "Re: Livelock seen on current with threaded processes"
- Reply: Kevin Oberman: "Re: Livelock seen on current with threaded processes"
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
Relevant Pages
|
