[Bug 88746] Re: ehci_hcd module causes I/O errors in USB 2.0 devices

[Robert North]

Your power issues are interesting.
The motherboard I have done most testing on, has in the past had power issues, which were mainly cured by getting a high quality PSU.
So, turning off power management, (the fix that worked best for me) probably avoids stressing an under-powered USB controller.

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ehci_hcd module causes I/O errors in USB 2.0 devices
https://bugs.launchpad.net/bugs/88746
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