Date: Mon, 14 Nov 2005 12:40:36 -0500 From: Pierre-Luc Drouin <pldrouin@pldrouin.net> To: freebsd-stable@freebsd.org Subject: Re: Performance problem since updating from 6.0-RELEASE to 6.0-STABLE last friday Message-ID: <4378CC14.2020109@pldrouin.net> In-Reply-To: <20051114105854.GA1041@galgenberg.net> References: <4377775B.3080606@pldrouin.net> <20051114105854.GA1041@galgenberg.net>
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Ulrich Spoerlein wrote: >Pierre-Luc Drouin wrote: > > >>Last friday I did a cvsup src/buildworld/buildkernel/installkernel/installworld/mergemaster >>on my laptop from 6.0-RELEASE to 6.0-STABLE and since the performance of my laptop (Dell >>Precision M70 with a Pentium M 2GHz) is not good. It behaves like if the bus was saturated. >>I noticed that sound skips when I play a mp3 with xmms and it also skips when I play dvds >>(with mplayer, ogle or vlc). I have tried to recompile a kernel with apic disabled since I >>had some performance issues with this enabled before 6.0-stable, but it didn't fix >>anything. Does somebody have an idea of what change in the FreeBSD sources could be causing >>this? >> >> > >/me too, and I switched back to 6.0-RELEASE because of that. The problem >is the smart battery support that was merged shortly after 6.0-RELEASE. >Running wmbsdbatt the system freezes for 0.5s every 10s or so, this is >because wmbsdbatt is polling for the battery status. Disabling wmbsdbatt >everything was back to normal. > >This can also be reproduced here with a acpiconf -i loop. > >Other sources say, it's the thermal stuff thats blocking the OS, but for >me it's battery status. (Dell Inspiron 8600c, Pentium-M) > >Ulrich Spoerlein > > Yep, smart battery is definately the problem. The performance of my laptop is back to normal when I remove the xfce4-battery-plugin. acpiconf -i loop reproduces the problem for me too. So it looks like there is something wrong in smart battery.
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