linux-kernel - Re: [GIT PULL] USB driver fixes for 3.18-rc7

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Date:	Tue, 7 Apr 2015 09:32:23 -0700
From:	Tony Luck <tony.luck@...il.com>
To:	Mathias Nyman <mathias.nyman@...el.com>
Cc:	Greg KH <gregkh@...uxfoundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	USB list <linux-usb@...r.kernel.org>
Subject: Re: [GIT PULL] USB driver fixes for 3.18-rc7

> I got a patch that should fix the xhci "Setup ERROR" part in a setup-error-fix branch:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/mnyman/xhci.git setup-error-fix
>
> It's based on Gregs usb-next tree.
> It doesn't solve why the first device descritor read fails.

Did that get applied?  I just saw these messages on ia64 on v4.0-rc7 (not seen
on any earlier v4.0-* snapshots).

usb 7-4: new high-speed USB device number 5 using ehci-pci
usb 7-4: device descriptor read/8, error -71
usb 7-4: device descriptor read/8, error -71
usb usb7-port4: unable to enumerate USB device
usb 2-2: new full-speed USB device number 2 using uhci_hcd
usb 2-2: device descriptor read/64, error -71
usb 2-2: device descriptor read/64, error -71
usb 2-2: new full-speed USB device number 3 using uhci_hcd
usb 2-2: device descriptor read/64, error -71
usb 2-2: device descriptor read/64, error -71
usb 2-2: new full-speed USB device number 4 using uhci_hcd
usb 2-2: device descriptor read/8, error -71
usb 2-2: device descriptor read/8, error -71
usb 2-2: new full-speed USB device number 5 using uhci_hcd
usb 2-2: device descriptor read/8, error -71
usb 2-2: device descriptor read/8, error -71
usb usb2-port2: unable to enumerate USB device

-Tony
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