From: Oliver Neukum <oliver@neukum.org>
To: "Steffen Müller" <steffen.mueller@radio-frei.de>
Cc: opensuse-factory@opensuse.org,
Alan Stern <stern@rowland.harvard.edu>,
Jiri Slaby <jslaby@suse.cz>,
stable@kernel.org, Greg KH <greg@kroah.com>,
USB list <linux-usb@vger.kernel.org>,
Linux kernel mailing list <linux-kernel@vger.kernel.org>
Subject: Re: [opensuse-factory] Re: usb midi keyboard broken [3.3.3 regression] [SOLUTION]
Date: Sat, 28 Apr 2012 17:30:04 +0200 [thread overview]
Message-ID: <201204281730.04550.oliver@neukum.org> (raw)
In-Reply-To: <14061824.J155VMHgKz@thinkpadsm.rf-studio>
Am Samstag, 28. April 2012, 13:45:56 schrieb Steffen Müller:
> Oh man! After look and try many usr relevant settings I found the malfactor:
> tlp usb autosuspend settings.
>
> I use tlp (energy-saving tools for thinkpad laptops) and they autosuspend usb
> devices by default. Now I have blacklisted my midi keyboard an all is good. I
> can reproduce the problem this way. Seems so that the midi keyboard doesn't
> wake up if it once sleeping.
>
> For all with similar problems:
> edit /etc/default/tlp and set USB_BLACKLIST="<device id from usbls>" or
> disable usb autosuspend entirely with USB_AUTOSUSPEND=0
>
> thanks and sorry for the bother.
No problem, but we ought to test whether we can make it work with a kernel
quirk. Can you please test whether it works with USB_QUIRK_RESET_RESUME
in drivers/usb/core/quirks.c ?
Regards
Oliver
next prev parent reply other threads:[~2012-04-28 15:34 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1571281.mVArydTEZW@thinkpadsm.rf-studio>
[not found] ` <87haw6z4ps.fsf@Rainer.invalid>
[not found] ` <4F99BD60.1060303@suse.cz>
[not found] ` <1972516.Nxci8jDpSI@thinkpadsm.rf-studio>
2012-04-27 7:46 ` usb midi keyboard broken [3.3.3 regression] Jiri Slaby
2012-04-27 15:26 ` Alan Stern
2012-04-28 11:45 ` [opensuse-factory] Re: usb midi keyboard broken [3.3.3 regression] [SOLUTION] Steffen Müller
2012-04-28 15:30 ` Oliver Neukum [this message]
2012-04-28 21:26 ` Steffen Müller
2012-04-30 8:48 ` Oliver Neukum
2012-04-30 9:00 ` Steffen Müller
2012-04-30 9:00 ` Felipe Balbi
2012-04-30 11:05 ` [PATCH] usb: add USB_QUIRK_RESET_RESUME for M-Audio 88es Steffen Müller
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