Messages in this thread | | | Date | Mon, 18 Feb 2013 21:56:51 -0500 (EST) | From | Alan Stern <> | Subject | Re: [regression] openSUSE 12.2 stable kernel 3.7.8-1 big USB 2.0 slowdown |
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On Mon, 18 Feb 2013, Jiri Slaby wrote:
> On 02/18/2013 06:25 AM, Anja Nützel wrote: > > Maybe it startet with 3.7.7. > > I could copy several MB onto my USB 2.0 sticks with 3.7.6. (I think). > > Even with full speed. > > > > With openSUSE 12.2 DVD (kernel 3.4.x) it works OK, too. > > > > Now it degrates to 12 mbits (full-speed USB only). > > This is an upstream 3.7.7 stable regression, I think. Some of these > patches perhaps: > d7da098 USB: EHCI: fix for leaking isochronous data > caa891a USB: storage: optimize to match the Huawei USB storage devices > and support new switch command > 08b4bfd USB: storage: Define a new macro for USB storage match rules > 390077b usb: Using correct way to clear usb3.0 device's remote wakeup > feature. > 93dffb7 USB: EHCI: fix bug in scheduling periodic split transfers > bf79379 USB: EHCI: fix timer bug affecting port resume > d01875f USB: EHCI: unlink one async QH at a time > 269ef9f USB: EHCI: remove ASS/PSS polling timeout > > Alan, any ideas?
A lot of people have reported problems caused by the last one (269ef9f). I haven't had time to investigate yet (just got back from vacation).
Alan Stern
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