Date: Thu, 29 Mar 2018 18:18:58 +0530 From: Reshad Patuck <reshadpatuck1@gmail.com> To: Kristof Provost <kristof@sigsegv.be> Cc: freebsd-net@freebsd.org, "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net>, Reshad Patuck <reshad@patuck.net> Subject: Re: [vnet] [epair] epair interface stops working after some time Message-ID: <97945712-B53E-4CF6-B20E-6001CF40CDFC@gmail.com> In-Reply-To: <277350C5-3B1F-4105-AF0A-886B6133218E@sigsegv.be> References: <CADaJeD2LZy=RU0vtqD7%2BdkZkUs0GKW%2B7duGDQkZ19GR-_cS=MQ@mail.gmail.com> <71B1A1BD-6FCF-47BB-9523-CCAAC03799A5@sigsegv.be> <1563563.7DUcjoHYMp@reshadlaptop.patuck.net> <C162AFB2-FF80-4640-BDC8-23B30CC22873@sigsegv.be> <1D6101CD-BCB4-4206-838B-1A75152ACCC4@sigsegv.be> <AB52ED81-F97F-471B-A1BA-F3221152A586@patuck.net> <F382A5B4-6941-43C0-9686-4B108034EBF1@patuck.net> <FDCE9FAA-1289-4E15-9239-1B6FD98B589C@sigsegv.be> <38C78C2B-87D2-4225-8F4B-A5EA48BA5D17@patuck.net> <5803CAA2-DC4A-4E49-B715-6DE472088DDD@sigsegv.be> <9CAB4522-0B0A-42BF-B9A4-BF36AFC60286@patuck.net> <7202AFF2-A314-41FE-BD13-C4C77A95E106@sigsegv.be> <2D15ABDE-0C25-4C97-AEA6-0098459A2795@lists.zabbadoz.net> <CEB5C82A-33AA-4F8A-9A80-EC9CBE0300C3@gmail.com> <277350C5-3B1F-4105-AF0A-886B6133218E@sigsegv.be>
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=E2=80=8B Hi, pulling the 'net=2Elink=2Eepair=2Enetisr_maxqlen' down does seem to make t= his occur faster=2E =E2=80=8B When I dropped it to 2 like Kristof did and I have the same symptoms on a = box which was not exhibiting the problems manually began to have the same s= ymptoms=2E Bumping it back up to 2100 did not restore the functionality (I don't know= if it should)=2E =E2=80=8B I will create a PR for this later today with all the information I have ga= thered so that we can have it all in one place=2E Till then I have still have access to a box which is naturally in this sta= te=2E Let me know if there is anything you would like me to check =E2=80=8B Thanks for the help, =E2=80=8B Reshad On 28 March 2018 12:32:44 AM IST, Kristof Provost <kristof@sigsegv=2Ebe> w= rote: >On 27 Mar 2018, at 20:59, Reshad Patuck wrote: >> The current value of 'net=2Elink=2Eepair=2Enetisr_maxqlen' is 2100, I w= ill=20 >> make it 210=2E >> Will this require a reboot? or can I just change the sysctl and >reload=20 >> the epair module? >> =E2=80=8B >You shouldn=E2=80=99t need to reboot or reload the epair module=2E When I= set it=20 >to 2 on my box it pretty much immediately lost connectivity over the=20 >epair interfaces=2E > >I=E2=80=99d expect you to get hit by the bug relatively quickly now, so b= e=20 >aware of that=2E > >Regards, >Kristof
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