Re: [2.6] system is very slow during disk access

Bartlomiej Zolnierkiewicz
2003-08-06T23:02:15Z

On Thu, 7 Aug 2003, Michael Buesch wrote:

> But I've captured a few other interesting things in the syslog.
> After doing a
> $ hdparm -c1 -u1 -d1 -X69 /dev/hda
> I saw this in my syslog:
>
> Aug 7 00:32:05 lfs kernel: blk: queue c049195c, I/O limit 4095Mb (mask 0xffffffff)
> Aug 7 00:32:05 lfs kernel: hda: Speed warnings UDMA 3/4/5 is not functional.
>
> The onboard IDE controller is a UDMA-100 controller
> and the disks do run in this mode, too.

Please send dmesg and .config.

--
Bartlomiej