Ubuntu
hal package

  1. Bug #104241
  2. Comment #0

Comment 0 for bug 104241

Revision history for this message
reagle (joseph.reagle) wrote : [feisty] slow external usb 2 ehci_hcd writes

Binary package hint: linux-image-2.6.20-13-generic

I'm running feisty beta, and when I went to do my backups yesterday, I noticed it was painfully slow compared to edgy. Writes to an external usb2 drive with ehci_hcd are horribly slow.

Linux urd 2.6.20-13-generic #2 SMP Sun Mar 25 00:21:25 UTC 2007 i686 GNU/Linux

FAST READ
urd:/home/reagle> time `cp /media/wd1200/test.mpg .; sync`

real 0m1.559s
user 0m0.000s
sys 0m0.224s

SLOW WRITE
urd:/home/reagle> time `cp test.mpg /media/wd1200/test.mpg; sync`

real 0m46.811s
user 0m0.012s
sys 0m0.428s