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Date: Mon, 10 Jun 2013 10:33:46 +0200 From: Michael Guntsche <michael.guntsche@...loops.com> To: Claudiu Manoil <claudiu.manoil@...escale.com> Cc: netdev@...r.kernel.org Subject: Re: Fwd: [BUG] Bisected Gianfar not receiving any traffic Hello Claudiu, The Board in question is a Mikrotik Routerboard RB600A, which is using a MPC8343E. /Michael On Mon, Jun 10, 2013 at 10:29 AM, Claudiu Manoil <claudiu.manoil@...escale.com> wrote: > Hello, > > Please provide the model of your board. Commit 6be5ed3fef568 > relies on correct indication from H/W for Rx processing, so we > should check whether the right register/mask are being used for > that model or whether there's a missing errata. > One way to confirm this is by checking if Rx processing (and not Tx) > is entered with num_act_queues == 0 (the RXF indication set to 0). > > Thanks, > Claudiu > > > On 6/9/2013 11:28 PM, Michael Guntsche wrote: >> >> Forwarded to the correct mailing list address. >> >> >> ---------- Forwarded message ---------- >> From: Michael Guntsche <michael.guntsche@...loops.com> >> Date: Sun, Jun 9, 2013 at 10:26 PM >> Subject: [BUG] Bisected Gianfar not receiving any traffic >> To: linux-netdev@...r.kernel.org >> Cc: Claudiu Manoil <claudiu.manoil@...escale.com> >> >> >> Good evening, >> >> While testing one of my powerpc based embedded ports I noticed that >> with any 3.10-rc kernel ethernet traffic was dead on my two gianfar >> NICs. The strange thing was that apparetnly outbound broadcasts seemed >> to work since avahi correctly registered the name of the board. I >> bisected it to the following commit. >> >> 6be5ed3fef568 gianfar: Poll only active Rx queues >> >> Reverting this commit on 3.10-rc4 made both gianfar devices work >> again. This is a rather old board so it could be that the register >> that's used here is just plain wrong in my case. A few years ago I had >> a similar issue where the implementation on the board here apparently >> did not work correctly. >> >> http://marc.info/?l=linux-netdev&m=131297524825104&w=2 >> >> In that case a flag was bogus as well. >> If you need more information or want me to test a patch please add me >> as CC since I am not subscribed to the list. >> >> Kind regards, >> Michael Guntsche >> -- >> To unsubscribe from this list: send the line "unsubscribe netdev" in >> the body of a message to majordomo@...r.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html >> >> > > -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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