> From: "Daniel Eriksson" <daniel_k_eriksson_at_telia.com> > 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). Yes, it does sound similar. I was hoping that your thread would lead to a resolution of my problem. I can certainly believe that the problem is VM related. Unfortunately, I believe the work-around was to set debug.mpsafevm to 1, but that didn't seem to help at my case at all. Am I remembering correctly? -- R. Kevin Oberman, Network Engineer Energy Sciences Network (ESnet) Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab) E-mail: oberman_at_es.net Phone: +1 510 486-8634Received on Tue Jun 07 2005 - 13:33:23 UTC
This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:38:36 UTC