Date: Sun, 11 Jun 2017 18:01:39 +0200 From: Henri Hennebert <hlh@restart.be> To: Tom Vijlbrief <tvijlbrief@gmail.com>, freebsd-arm@freebsd.org Subject: Re: [Bug 219927] awg0 stops working after a long output under ssh Message-ID: <e129cb9a-b076-1f32-6fa5-17e052c18d08@restart.be> In-Reply-To: <CAOQrpVfHqKwy8-fOAjrSM9-KQcV-Mya7uCNX6v44zSuVHHNTOQ@mail.gmail.com> References: <bug-219927-7@https.bugs.freebsd.org/bugzilla/> <CAOQrpVfHqKwy8-fOAjrSM9-KQcV-Mya7uCNX6v44zSuVHHNTOQ@mail.gmail.com>
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On 06/11/2017 17:54, Tom Vijlbrief wrote: > > Op zo 11 jun. 2017 om 16:23 schreef <bugzilla-noreply@freebsd.org > <mailto:bugzilla-noreply@freebsd.org>>: > > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=219927 > > Bug ID: 219927 > Summary: awg0 stops working after a long output under ssh > Product: Base System > Version: CURRENT > Hardware: arm64 > OS: Any > Status: New > Severity: Affects Only Me > Priority: --- > Component: arm > Assignee: freebsd-arm@FreeBSD.org > Reporter: hlh@restart.be <mailto:hlh@restart.be> > > Environment: pine64+ 2GB > FreeBSD norquay.restart.bel 12.0-CURRENT FreeBSD 12.0-CURRENT #0 > r318945M: Sat > Jun 10 11:47:44 CEST 2017 > root@norquay.restart.bel:/usr/obj/usr/src/sys/NORQUAY arm64 > > If I connect from a wireless computer (FreeBSD 11.1-PRERELEASE #0 > r318860) and > run a command with a big output (eg `find /`) the awg0 stops working > quickly > (under 20 seconds of output). > > If I do the same with telnet from the same computer, the output is > much longer > but awg0 stops working. > > If I do the same from a wired computer then I must run `find /` 2 or > 3 times > before awg0 stops working. > > I can rsync through ssh 12GB without problem in both directions > (from and to > the pine64 and the wireless computer). > > I have a `tcpdump -w ssh.data port 22`. (8.3 MB) > > I can connect with a serial console to the pine64 after awg0 stop > working. > ifconfig awg0 down > ifconfig awg0 up > don't restore the connectivity. I must reboot to restore connectvity. > > > That's a coincidence, today I'm investigating the same issue. > > You could try increasing TX_MAX_SEGS in sys/arm/allwinner/if_awg.c line 95. > > I'm currently testing TX_MAX_SEGS set to 40 and no lock up yet.... Thanks for this hint! I am compiling a new kernel with this change. I'm compiling on the pine64 so it will take some time. Henri
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