netdev - Re: [CRIU] TCP_REPAIR MSS issue

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Message-ID: <183844BD-7118-44EB-9D97-62B2A164D7BC@netapp.com>
Date:	Tue, 14 Jun 2016 13:24:00 +0000
From:	"Eggert, Lars" <lars@...app.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
CC:	Pavel Emelyanov <xemul@...tuozzo.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"criu@...nvz.org" <criu@...nvz.org>,
	Andrey Vagin <avagin@...tuozzo.com>,
	"Honda, Michio" <michio@...app.com>
Subject: Re: [CRIU] TCP_REPAIR MSS issue

On 2016-06-14, at 15:10, Eric Dumazet <eric.dumazet@...il.com> wrote:
>> What gives :
>> sysctl net/ipv4/ip_no_pmtu_disc net/ipv4/tcp_mtu_probing

net.ipv4.ip_no_pmtu_disc = 0
net.ipv4.tcp_mtu_probing = 0

> Also, is it a regression ? Was this working better with an older linux
> version ?

No idea, 4.6.0 is the only kernel I ran this on (is a new project). What would be a good older version to check?

Thanks,
Lars

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