Re: System hangs when using USB 3.0 HD with on Ubuntu

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On 21/04/10 03:07 PM, Alan Stern wrote:
On Wed, 21 Apr 2010, Jonas Schwertfeger wrote:

On 04/21/2010 08:17 PM, Mark Lord wrote:

  >  Let's try again. Does the attached copy of hdparm work for everybody
  >  now? It uses ATA_16 by default, for everything.

No, it doesn't:

/dev/sdb:
outgoing cdb:  85 08 2e 00 00 00 01 00 00 00 00 00 00 40 ec 00
data:  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

That line is supposed to be the data returned by the drive?  It sure
doesn't look right.

Jonas, can you run the same test, but this time with the drive attached
to your EHCI controller, and get a usbmon log?
..

Yeah, I am also curious about that,
how it works (or not) when connected via a USB2 cable
instead of USB3.

Thanks
--
Mark Lord
Real-Time Remedies Inc.
mlord@xxxxxxxxx
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