From: Andy Furniss <andyqos@ukfsn.org>
To: gennarone@gmail.com
Cc: "linux-media@vger.kernel.org" <linux-media@vger.kernel.org>
Subject: Re: [PATCH] em28xx: pre-allocate DVB isoc transfer buffers
Date: Fri, 16 Mar 2012 15:51:09 +0000 [thread overview]
Message-ID: <4F63616D.5040808@ukfsn.org> (raw)
In-Reply-To: <4F635EC7.9070700@gmail.com>
Gianluca Gennari wrote:
>> Andy Furniss wrote:
>> Mar 16 14:56:58 noki kernel: ehci_hcd 0000:01:0a.2: shutdown urb
>> ced2c800 ep4in-iso
>
> Looks like some innocuous logging from the ehci_hcd driver. I've never
> seen it because I'm not using the ehci_hcd module on my systems.
> When you tune a new channel, the USB transfer is stopped (with the URBs
> still alive, so the driver "shuts down" them) and a new one is started.
> Then the URBs are reused (instead of being deallocated/allocated
> again/cleared as before) so they are resubmitted.
Ok, I don't have any problems so far - I also probably have some
verbose/debugging usb options enabled in my kernel so I suppose others
may never see these.
prev parent reply other threads:[~2012-03-16 15:51 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-13 17:59 [PATCH] em28xx: pre-allocate DVB isoc transfer buffers Gianluca Gennari
2012-02-19 23:46 ` Chris Rankin
2012-02-20 0:18 ` Gianluca Gennari
2012-03-16 0:25 ` Andy Furniss
2012-03-16 1:38 ` Gianluca Gennari
2012-03-16 1:38 ` Gianluca Gennari
2012-03-16 10:16 ` Andy Furniss
2012-03-16 15:05 ` Andy Furniss
2012-03-16 15:39 ` Gianluca Gennari
2012-03-16 15:51 ` Andy Furniss [this message]
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