hald blocks ide bus if cdrom on same bus with harddisk(was:Extremly slow IO performance with dapper, high wa% on Dell Inspiron 8200)
Bug #48499 reported by
Manfred Odenstein
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
hal-info (Ubuntu) |
Fix Released
|
Medium
|
Martin Pitt |
Bug Description
Hi there,
I've done a clean install on this notebook (P4/1800 756Mb) and I've noticed that the IO system is doing something (with top) but there is not so much activities on the harddisk, I've checked this with two different drives to prevent wrong diagnostics (maybe harddisk error).
It seems that booting into KDE is faster with the liveCD as with the installed system, I've also noticed that my second notebook, IBM T22 (P3/900 384Mb) is booting faster with a much slower harddisk than the mentioned system.
It really seems that something is throttling the io system
reagards
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I've also removed powernowd and powernowd.early from startup, so the system should run with unthrottled speed, it does, except the IO system (harddisk) :-(
I'm not new to linux, but I havn't seen such behaviour.
DMA is enables, disk is in UDMA100 mode