Date: Fri, 01 Feb 2008 20:25:01 +0100 From: Frank Staals <frankstaals@gmx.net> To: FreeBSD <freebsd-questions@freebsd.org> Subject: buildworld releng7 exterme performance loss Message-ID: <47A3720D.1080702@gmx.net>
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Every 2 weeks or so I rebuild my sources on my laptop ( Dell Latitude D630 ). Last wednesday I wanted to update my system again since it was allready a couple of weeks ago I rebuilded my sources. There were no abnormalities during the build/install. But when I restarted my system the system performance was absolutely *horrible*. When I try typing anything in a terminal window the lag is about 20 seconds before the command even shows up. Switching ttys takes at least as long. When logging in remotely the performance is better; giving a random command through the ssh session sometimes even allows a command run on a local-console to run/finish ( or at least thats what the screen shows ). Even trying to shutdown the system using shutdown -p now doesn't have any effect: I get the message "System is going down NOW" but nothing realy happens, I just get my prompt back and I can continue entering commands. When I push the power-off button the system actually starts shutting down but it stops at "Writing entropy file ." leaving my only choise to power off the system the hard way. When booting the system to single-user mode however it reacts normally and also shutting down works as it should Last 2 days I tried redownloading the sources from a different mirror ( cvsup2.freebsd.org instead of cvsup.nl.freebsd.org ) to rule out outdated/corrupted sources. But I still get the same behaviour. Gladly I still had my previous sources so I managed to restore my system in a working state. Those sources are from about 3 weeks ago. Does anyone know what could have caused this behaviour and how to fix it ? Below is some system information, however I'm not sure what I should provide to help out, if I should test something I'll gladly do. Working system (sources from about 3 weeks ago, rebuilded today ) : frank@Rena# uname -a FreeBSD Rena.FStaals.net 7.0-PRERELEASE FreeBSD 7.0-PRERELEASE #0: Fri Feb 1 20:23:11 CET 2008 root@:/usr/obj/usr/src/sys/RENAKERNEL i386 dmesg: http://fstaals.net/junk/rena/dmesg_old.txt With today's ( 1 frebruary 2008 ) sources : frank@Rena# cat /root/uname FreeBSD 7.0-PRERELEASE FreeBSD 7.0-PRERELEASE #0: Fri Feb 1 18:32:59 CET 2008 frank@Rena.FStaals.net:/usr/obj/usr/src/sys/RENAKERNEL i386 dmesg: http://fstaals.net/junk/rena/dmesg_2008_01_02.txt Kernel config used for both the builds : http://fstaals.net/junk/RENAKERNEL.txt -- -Frank Staals
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