From: Jiri Slaby <jslaby@suse.cz>
To: "Anja Nützel" <Anja@nuetzel-hh.de>
Cc: "Alan Stern" <stern@rowland.harvard.edu>,
"Jeff Mahoney" <jeffm@suse.com>,
mmarek@suse.cz, "Dieter Nützel" <Dieter@nuetzel-hh.de>,
stable <stable@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [regression] openSUSE 12.2 stable kernel 3.7.8-1 big USB 2.0 slowdown
Date: Tue, 19 Feb 2013 10:16:40 +0100 [thread overview]
Message-ID: <512342F8.5060200@suse.cz> (raw)
In-Reply-To: <Pine.LNX.4.44L0.1302182155510.12532-100000@netrider.rowland.org>
On 02/19/2013 03:56 AM, Alan Stern wrote:
> 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).
I reverted that one in:
http://labs.suse.cz/jslaby/bug-804367/
Anja, could you test that kernel?
--
js
suse labs
next prev parent reply other threads:[~2013-02-19 9:16 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1458272.gbZiDy4Yrx@sonja.nuetzel-hh.de>
2013-02-18 10:06 ` [regression] openSUSE 12.2 stable kernel 3.7.8-1 big USB 2.0 slowdown Jiri Slaby
2013-02-19 2:56 ` Alan Stern
2013-02-19 9:16 ` Jiri Slaby [this message]
2013-02-19 16:44 ` Dieter Nützel
2013-02-19 16:53 ` Jiri Slaby
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