hdparm -T 2 times slower on F7t4

Dave Jones davej at redhat.com
Fri Jun 1 18:56:14 UTC 2007


On Fri, Jun 01, 2007 at 08:25:16PM +0300, Doncho N. Gunchev wrote:
 > -----BEGIN PGP SIGNED MESSAGE-----
 > Hash: SHA1
 > 
 > On Thursday 2007-05-03 13:44:18 dragoran dragoran wrote:
 > > On 5/3/07, Doncho N. Gunchev <gunchev at gmail.com> wrote:
 > > >
 > > > Is someone else seeing this?
 > > >
 > > > F7t4# hdparm -tT /dev/sda
 > > >
 > > > /dev/sda:
 > > > Timing cached reads:   2206 MB in  2.00 seconds = 1104.24 MB/sec
 > > > Timing buffered disk reads:  102 MB in  3.03 seconds =  33.68 MB/sec
 > > >
 > > > FC6# hdparm -tT /dev/hda
 > > >
 > > > /dev/hda:
 > > > Timing cached reads:   4576 MB in  2.00 seconds = 2290.99 MB/sec
 > > > Timing buffered disk reads:  102 MB in  3.01 seconds =  33.86 MB/sec
 > > >
 > > > Is this a real problem?
 > > 
 > > 
 > > the kernel has debug features enabled (see test4 release notes) they could
 > > be the reason for this.
 > > 
 > 
 > Hm, still the same situation with F7 final...

file a bug, attaching the output of dmesg (from both if possible)
and lspci output.

thanks,

	Dave

-- 
http://www.codemonkey.org.uk




More information about the fedora-test-list mailing list