On Fri, 2 Apr 2004 14:10:29 -0800 Jeff Coppock <[EMAIL PROTECTED]> wrote:
> Lately, I've been working on making my laptop as efficient on power as > possible. > > Dell Latitude C610, BIOS version A16, Testing release. > > There is a lot of information out there on this subject and I've > accomplished quite a bit on the system: > > 1. I mount my EXT3 partitions with noatime > 2. I have /tmp mounting in memory with tmpfs > 3. I adjusted syslog-ng logging with the sync() option to buffer 5 > lines before writing to file > 4. I do not use swap since I have enough memory to handle all my > needs > > But, in spite of this I simply cannot get the HDD to spin down with > KDE running. If I exit to KDM, it works just fine. With KDE > running, I've tried stopping all the daemons I can and still no joy. > > I've tried to see what was accessing files/dirs using the following > script: > > #!/bin/bash > echo > echo "Finding new files and dirs 5 minutes old." > echo > echo "Files..." > find / -mount -type f -amin -5 > find /usr -mount -type f -amin -5 > find /home -mount -type f -amin -5 > echo > echo "Directories..." > find / -mount -amin -5 > find /usr -mount -amin -5 > find /home -mount -amin -5 > > I can get KDE to a point where nothing KDE-related shows up, but still > no joy. > > I've also found that noflushd doesn't work by testing it against > hdparm-S, which does work. So I'm using hdparm now. > > I'm thinking now that it's hopeless with KDE running, that I won't be > able to read email or other doc's offline without the HDD spinning and > burning battery. If anyone has idea's or suggestions to help me out, > I'd really appreciate it. I forgot to mention my kernel information. I'm running a self-compile 2.4.21 kernel, which is configured properly for what I need/want. I'm stuck at this version for an application I need that won't run on newer kernels yet. I looked into laptop_mode, but I'm not convince it will buy me anything compared to what I have so far. jc -- Jeff Coppock Systems Engineer Diggin' Debian Admin and User
