Date: Thu, 15 Oct 2009 10:29:14 -0700 From: Weongyo Jeong <weongyo.jeong@gmail.com> To: Gavin Atkinson <gavin@freebsd.org> Cc: bsduser <bsd@acd.homelinux.org>, freebsd-current@freebsd.org Subject: Re: if_rum dies on transmit... Message-ID: <20091015172914.GF67082@weongyo> In-Reply-To: <20091014230715.E96894@ury.york.ac.uk> References: <86051.1254232666@critter.freebsd.dk> <20091013174201.GC67082@weongyo> <86iqei7tgq.fsf@jodie.vectavision.com> <20091014201059.GE67082@weongyo> <20091014230715.E96894@ury.york.ac.uk>
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On Wed, Oct 14, 2009 at 11:08:39PM +0100, Gavin Atkinson wrote: > On Wed, 14 Oct 2009, Weongyo Jeong wrote: > >On Tue, Oct 13, 2009 at 05:41:09PM -0600, bsduser wrote: > >>Weongyo Jeong <weongyo.jeong@gmail.com> writes: > >> > >>>On Tue, Sep 29, 2009 at 01:57:46PM +0000, Poul-Henning Kamp wrote: > >>>> > >>>>Has anybody else seen if_rum die when you try to transmit a file over > >>>>a TCP connection ? > >>>> > >>>>If I try to print across the network, upload a file with ftp or anything > >>>>else of that general tenor, if_rum seems to hang the output queue and > >>>>stops transmitting packets. > >>> > >>>Could you please test with attached patch? > >>> > >> > >>I had the same issues with if_rum at least while using WPA and your patch > >>made > >>them go away.... ( although removing and plugging back in does not quite > >>work ) > >> > >># scp INDEX-8* cookie:/usr/ports > >>INDEX-8 100% 19MB 2.1MB/s > >>00:09 > >>INDEX-8.db 100% 34MB 2.4MB/s > >>00:14 > >> > >>before the patch this would just hang. > >> > >>Another quick test using rsync on a bunch of files worked flawless too. > >> > >>usbconfig list: > >> > >>ugen7.2: <Compact Wireless-G USB Adapter Cisco-Linksys> at usbus7, cfg=0 > >>md=HOST spd=HIGH (480Mbps) pwr=ON > >> > >>The adapter is a WUSB54GC and yes, you made my day :-) > > > >Patched at r198098. Thank you for testing! > > Many thanks for this! > > Do you know if this patch is likely to fix the panics seen with rum(4) or > is this likely to only fix the TX hangs? AFAIK this patch only fixes TX hangs. I didn't see PRs yet related with the panics but I think it could affect user's panic a little bit. regards. Weongyo Jeong
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