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Re: Experiences with RELENG_7
- To: "P.U.Kruppa" <ulrich_(_at_)_pukruppa_(_dot_)_net>
- Subject: Re: Experiences with RELENG_7
- From: Kris Kennaway <kris_(_at_)_FreeBSD_(_dot_)_org>
- Date: Sun, 28 Oct 2007 11:22:49 +0100
- Cc: freebsd-amd64_(_at_)_freebsd_(_dot_)_org
On Sun, 28 Oct 2007, Kris Kennaway wrote:
I can see that happening during portupgrade on my 7.0-BETA1 FreeBSD
7.0-BETA1 #0: Sat Oct 27 04:15:22 CEST 2007 amd64 UP-machine as well.
Situation has been improved by using
Roland Smith wrote:
On Sun, Oct 28, 2007 at 01:44:21AM +0200, Kris Kennaway wrote:
Roland Smith wrote:
Can you please explain (with supporting paste of command output)
what you mean by this?
Hovewer, sometimes a program seems to hog the CPU for a couple of
seconds (as seen in top(1))
I'll save some top output next time. But what happened was this; all of
a sudden the mouse pointer started moving erratically, and the music
playing in audacious started skipping. All other X programs started
responding erratically as well. It looked like the X server wasn't
getting any CPU time.
SCHED_ULE instead of SCHED_4BSD .
Yes, so this is a different problem again. People have reported this
problem with 4BSD, but I don't think it is understood. Just to confirm,
since we're discussing ULE here do you see this problem with ULE?
It also happened with cc1 when I was compiling a port. In that case the
situation returned to normal when that particular instance was
finished. That compilation was running in a terminal window that was
iconified at the time.
This may be unrelated. The new version of gcc has higher memory
requirements, and it is common for it to access swap during
compilation when the system is also busy running other tasks. If you
see it happening with cc again, make sure to check this.
My swap space remains untouched, I have got 2 GB of RAM.
Is there - perhaps - some way to tune down gcc's CPU greediness?
That isn't really the right solution :)
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