[Bug 88746] Re: ehci_hcd module causes I/O errors in USB 2.0 devices
Hated On Mostly
mostly.hated.on at gmail.com
Mon Oct 19 06:40:45 UTC 2009
If people could post whether or not CFQ is enabled and whether they
still have the slow usb problem that would be great info:
-------------
http://www.cyberciti.biz/faq/linux-change-io-scheduler-for-harddisk/
Task: View Current Disk scheduler
Assuming that your disk name /dev/sda, type in a terminal:
cat /sys/block/sda/queue/scheduler
--------
Copy and paste the output of the above command.
My system shows:
noop anticipatory [deadline] cfq
Which means my system (9.10 Karmic Koala beta with no updates) is using
deadline by default and I am currently not experiencing the problem. I
was experiencing the slow USB transfer speeds in 8.04 Hardy Heron and
8.10 Intrepid Ibex.
--
ehci_hcd module causes I/O errors in USB 2.0 devices
https://bugs.launchpad.net/bugs/88746
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