Date: Thu, 28 Feb 2008 20:36:24 +0100 From: Kris Kennaway <kris@FreeBSD.org> To: Teemu Korhonen <teemu.korhonen@mbnet.fi> Cc: freebsd-stable@freebsd.org Subject: Re: jerky mouse still in 7.0-RELEASE Message-ID: <47C70D38.8010600@FreeBSD.org> In-Reply-To: <47C6FDD0.2040902@mbnet.fi> References: <47C6FDD0.2040902@mbnet.fi>
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Teemu Korhonen wrote: > Did anyone find a solution to the "jerky mouse" -problem? It still > exists in 7.0-RELEASE. > > I have pretty much exact same symptoms as in this post: > http://lists.freebsd.org/pipermail/freebsd-stable/2008-January/039599.html Part of the problem here is that these "symptoms" are far too generic for diagnosis and have a variety of known and unknown causes. Some of the "known" causes include: * Overloading the system transiently (e.g. if your KDE launches 30 processes at once, the system is going to be a bit sluggish for a few seconds) * Running powerd, which has poor interaction with interrupt delivery on at least one user's system (might be an ACPI issue or hardware-specific). * Performing lots of I/O to a non-mpsafe filesystem like msdosfs. The other causes have so far resisted understanding. Kris
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