linux-kernel - Re: Aw: Re: Re: dvb usb issues since kernel 4.9

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Date:   Mon, 8 Jan 2018 12:35:08 -0500 (EST)
From:   Alan Stern <stern@...land.harvard.edu>
To:     Josef Griebichler <griebichler.josef@....at>
cc:     Mauro Carvalho Chehab <mchehab@...pensource.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        <linux-usb@...r.kernel.org>, Eric Dumazet <edumazet@...gle.com>,
        Rik van Riel <riel@...hat.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Hannes Frederic Sowa <hannes@...hat.com>,
        Jesper Dangaard Brouer <jbrouer@...hat.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        netdev <netdev@...r.kernel.org>,
        Jonathan Corbet <corbet@....net>,
        LMML <linux-media@...r.kernel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        David Miller <davem@...emloft.net>,
        <torvalds@...ux-foundation.org>
Subject: Re: Aw: Re:  Re: dvb usb issues since kernel 4.9

On Mon, 8 Jan 2018, Josef Griebichler wrote:

> No I can't sorry. There's no sat connection near to my workstation.

Can we ask the person who made this post:

https://forum.libreelec.tv/thread/4235-dvb-issue-since-le-switched-to-kernel-4-9-x/?postID=75965#post75965

to run the test?  The post says that the testing was done on an x86_64 
machine.

> Gesendet: Montag, 08. Januar 2018 um 17:31 Uhr
> Von: "Alan Stern" <stern@...land.harvard.edu>
> An: "Josef Griebichler" <griebichler.josef@....at>
> Cc: "Mauro Carvalho Chehab" <mchehab@...pensource.com>, "Greg Kroah-Hartman" <gregkh@...uxfoundation.org>, linux-usb@...r.kernel.org, "Eric Dumazet" <edumazet@...gle.com>, "Rik van Riel" <riel@...hat.com>, "Paolo Abeni" <pabeni@...hat.com>, "Hannes Frederic Sowa" <hannes@...hat.com>, "Jesper Dangaard Brouer" <jbrouer@...hat.com>, linux-kernel <linux-kernel@...r.kernel.org>, netdev <netdev@...r.kernel.org>, "Jonathan Corbet" <corbet@....net>, LMML <linux-media@...r.kernel.org>, "Peter Zijlstra" <peterz@...radead.org>, "David Miller" <davem@...emloft.net>, torvalds@...ux-foundation.org
> Betreff: Re: Aw: Re: dvb usb issues since kernel 4.9
> On Mon, 8 Jan 2018, Josef Griebichler wrote: > Hi Maro, > > I tried your mentioned patch but unfortunately no real improvement for me. > dmesg http://ix.io/DOg > tvheadend service log http://ix.io/DOi[http://ix.io/DOi] > Errors during recording are still there. > Errors increase if there is additional tcp load on raspberry. > > Unfortunately there's no usbmon or tshark on libreelec so I can't provide further logs. Can you try running the same test on an x86_64 system? Alan Stern

It appears that you are using a non-standard kernel.  The vanilla 
kernel does not include any "dwc_otg_hcd" driver.

Alan Stern