Public bug reported:
I am running 2.6.19-6-generic on an otherwise clean Edgy install.
Everything feels slower, the mouse pointer is jerky, and booting time is
slower (104s vs 64s).
Disk access (buffered) is slower in 2.6.19:
$ sudo hdparm -Tt /dev/hda
/dev/hda:
Timing cached reads: 616 MB in 2.00 seconds = 307.81 MB/sec
Timing buffered disk reads: 4 MB in 3.41 seconds = 1.17 MB/sec
versus 2.6.17:
$ sudo hdparm -Tt /dev/hda
/dev/hda:
Timing cached reads: 596 MB in 2.00 seconds = 297.95 MB/sec
Timing buffered disk reads: 50 MB in 3.04 seconds = 16.46 MB/sec
I have a SAMSUNG MP0804H, ATA DISK drive.
** Affects: linux-source-2.6.19 (Ubuntu)
Importance: Undecided
Status: Unconfirmed
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hard disk speed regression
https://launchpad.net/bugs/72255
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