Date: Sun, 11 Oct 2015 11:11:39 +0200 From: Huub Schuurmans <huubsch@xs4all.nl> To: Kristof Provost <kp@FreeBSD.org> Cc: freebsd-embedded@freebsd.org, "techniek@lijst.wirelessleiden.nl" <techniek@lijst.wirelessleiden.nl> Subject: Re: Ue0/ue1 flapping Message-ID: <561A27CB.80306@xs4all.nl> In-Reply-To: <E8BF1228-9A08-42DD-89CC-989EAA608646@FreeBSD.org> References: <55D6217B.8000805@denninger.net> <55D636FE.9020005@xs4all.nl> <55D64AA7.40305@denninger.net> <55D69C73.9030909@denninger.net> <56163A55.5050902@xs4all.nl> <E8BF1228-9A08-42DD-89CC-989EAA608646@FreeBSD.org>
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Op 08/10/15 om 18:51 schreef Kristof Provost: > >> On 08 Oct 2015, at 11:41, Huub Schuurmans <huubsch@xs4all.nl> wrote: >> We have now finally found that in our case a running pf is causing >> problems with the usb-lan adapters, even if all rules are flushed (!). >> Problem doesnot occur with ipfw. We have not tested flapping yet. >> > It’s possible that this is another case of > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=198868 > > I’m working on a checksum/TSO problem that I think is related to this. > Could you give the attached patch a try? > If I’m right about the cause this should fix things for you. > > Yes, if I patch pf (on 10.2-RELEASE) one usb-lan adapter works also with pf running. However if I install two adapter NONE of them works, so obviously I can not check the stability for two adapters. But this is definitely I significant improvement! Thanks for the patch. Huub
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