Messages in this thread | | | Date | Fri, 19 Dec 2003 00:09:40 -0800 | From | William Lee Irwin III <> | Subject | Re: HD access sluggish in 2.6.0 |
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On Thu, Dec 18, 2003 at 07:57:05PM -0600, Yun Zhou wrote: > I'm using a system with 1HD (DC WD600BB-00CAA1 60 GB) using kernel 2.6.0. > Whenever the system uses the disk extensively (copying a file, untarring, > etc.), it grinds to a near halt, with the CPU usage at about 100%, even for a > simple copying operation. > This problem is not present when using 2.4.22, nor any of the 2.4 series > kernels that I've tried. Does anyone know what is causing this? > Thanks in advance!
This is typical of IDE disks where the driver is pessimistically using PIO. A dmesg and .config would help, plus maybe readprofile(1) results (you'll have to boot with profile=1 on the kernel command-line.) just in case it's actually something else.
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