Date: Wed, 09 Jan 2008 20:28:23 +0200 From: Toomas Aas <toomas.aas@raad.tartu.ee> To: Kris Kennaway <kris@FreeBSD.org> Cc: freebsd-stable@freebsd.org, Wayne Sierke <ws@au.dyndns.ws> Subject: Re: 6.3-PRERELEASE desktop system periodically freezes momentarily Message-ID: <47851247.1020306@raad.tartu.ee> In-Reply-To: <4783DCAA.1080108@FreeBSD.org> References: <1199812249.96494.133.camel@predator-ii.buffyverse> <4783C8A8.2090705@raad.tartu.ee> <4783D41B.3000204@FreeBSD.org> <4783D748.1050401@raad.tartu.ee> <4783D824.1050502@FreeBSD.org> <4783DB72.6030605@raad.tartu.ee> <4783DCAA.1080108@FreeBSD.org>
next in thread | previous in thread | raw e-mail | index | archive | help
Kris Kennaway wrote: > OK, you may need to set up hwpmc or LOCK_PROFILING to figure out what > your system is doing at that moment. While experimenting with pmcstat I found that my problem seems to be mouse-related. I did several tests - booted, logged in with xdm, started an xterm and left 'pmcstat -S instructions' running in xterm to see where it freezes. As long as I don't touch the mouse, pmcstat output keeps scrolling by at high speed. I can wait several minutes and it just keeps scrolling. But when I start moving the mouse, soon (probably 10-20 cm of mouse movement, but I haven't done any real measurements ;) ) there is this "hiccup". As I said earlier, this happens only once during the session. The same test can be done outside X, on the text console, and the behaviour is identical. I tried with two generic 2-buttons-and-a-wheel PS/2 mice and the results are identical. I don't have any USB mice at hand immediately. # grep mouse /etc/rc.conf: moused_enable="YES" # grep psm /var/run/dmesg.boot psm0: <PS/2 Mouse> irq 12 on atkbdc0 psm0: [GIANT-LOCKED] psm0: model IntelliMouse, device ID 3 At that point it seems that faulty hardware can't be ruled out (dying mouse port on the motherboard?). But it seems a bit strange that the problem appears exactly once during the session. I'll try with USB mouse tomorrow. -- Toomas Aas ... Enter any 11-digit prime number to continue.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?47851247.1020306>