Date: Thu, 23 Jan 2003 22:07:05 -0600 From: Dan Nelson <dnelson@allantgroup.com> To: Terry Lambert <tlambert2@mindspring.com> Cc: Atte Peltomaki <atte.peltomaki@iki.fi>, freebsd-current@FreeBSD.ORG Subject: Re: Performance problems with 5.0-RELEASE Message-ID: <20030124040705.GA7945@dan.emsphone.com> In-Reply-To: <3E309E58.C0745816@mindspring.com> References: <20030123162644.GA560@naama> <3E309E58.C0745816@mindspring.com>
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In the last episode (Jan 23), Terry Lambert said: > Atte Peltomaki wrote: > > Description: > > > > Every time machine is under heavy load (CPU, network, disks) it > > completely jamms for fraction of a second for every ten seconds or so, > > everything just stops and then continues. I noticed this while compiling > > software and copying files over NFS while listening to MP3's, later > > realized it wasn't just MP3's that lagged, but the whole machine, > > including console and everything. > > If you lean on the keyboard, or if you set up the network adapters > as "entropy" sources, does the problem fix itself? If you're thinking it's /dev/random blocking on him, 5.0's output never blocks. Its output is a PRNG periodically seeded from random data, including interrupt timings and LAN traffic by default. http://www.freebsd.org/cgi/man.cgi?query=random&sektion=4&manpath=FreeBSD+5.0-current -- Dan Nelson dnelson@allantgroup.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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