[Bug 562606] [NEW] data integrity errors and usb resets

[Paul Larson]

Public bug reported:

On imx51, I'm running a command like:
spew -P -p random -i 0 -l spewlog.log --raw 300m spewfile

The device I am running this on is a 16G USB stick, formatted ext4.

Part way through the read test, it stops with this error:
Data integrity errors in ~512 byte(s) found during
transfer 372664 at file offset(s):
	190803968 - 190804479
More data integrity errors may exist in other parts of the file.
error: One or more data integrity or I/O errors were encountered during data
transfers.  Descriptions of these errors can be found in the logfile
spewlog.pwl.

Also, in dmesg, I see a lot of errors just like this:
usb 1-1.2: reset high speed USB device using fsl-ehci and address 6

** Affects: linux-fsl-imx51 (Ubuntu)
     Importance: High
     Assignee: Bryan Wu (cooloney)
         Status: New


** Tags: armel

** Changed in: linux-fsl-imx51 (Ubuntu)
   Importance: Undecided => High

** Changed in: linux-fsl-imx51 (Ubuntu)
     Assignee: (unassigned) => Bryan Wu (cooloney)

** Tags added: armel

-- 
data integrity errors and usb resets
https://bugs.launchpad.net/bugs/562606
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