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[85.147.130.226]) by smtp.gmail.com with ESMTPSA id f18-20020a5d6652000000b001e669ebd528sm3860001wrw.91.2022.03.10.00.58.05 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 10 Mar 2022 00:58:05 -0800 (PST) Message-ID: Date: Thu, 10 Mar 2022 09:58:04 +0100 List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@freebsd.org MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0) Gecko/20100101 Thunderbird/91.6.2 Subject: Re: epair and vnet jail loose connection. Content-Language: en-US To: "Patrick M. Hausen" , freeBSD-net References: <051d51b6-2a07-fbc6-7b4d-13947e7fcdbb@gmail.com> From: Johan Hendriks In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4KDjdd2tlYz4dNc X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20210112 header.b=BGPFjNws; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of johhendriks@gmail.com designates 2a00:1450:4864:20::433 as permitted sender) smtp.mailfrom=johhendriks@gmail.com X-Spamd-Result: default: False [-3.48 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36:c]; FREEMAIL_FROM(0.00)[gmail.com]; RCVD_COUNT_THREE(0.00)[3]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; RCPT_COUNT_TWO(0.00)[2]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; NEURAL_HAM_SHORT(-1.00)[-1.000]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; MID_RHS_MATCH_FROM(0.00)[]; TAGGED_FROM(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.48)[-0.476]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20210112]; FROM_HAS_DN(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-net@freebsd.org]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[2a00:1450:4864:20::433:from]; MLMMJ_DEST(0.00)[freebsd-net]; RCVD_TLS_ALL(0.00)[] X-ThisMailContainsUnwantedMimeParts: N On 10/03/2022 08:54, Patrick M. Hausen wrote: > Hi Johan, > > we experience the same on 13.1-PRERELEASE. Currently trying to collect some evidence > (dtrace) to send to Kristof Provost who was so kind to assist. We are hit by the problem > in production in 12-24 hour intervals. Have not done any artificial load tests, yet. > > May I ask you to run this dtrace script while at least one jail is disconnected and while > traffic is present that is trying to reach the jail? If you can afford to do that in production (?) > that would be great. Forward to Kristof (kp@), please. > > Thanks and kind regards > Patrick > ---------- > #!/usr/sbin/dtrace -s > > BEGIN > { > self->in_menq = 0; > } > > fbt:if_epair:epair_menq:entry > { > self->in_menq = 1; > printf("In epair_menq"); > } > > fbt:if_epair:epair_menq:return > / self->in_menq == 1 / > { > self->in_menq = 0; > printf("Leave epair_menq"); > } > > fbt:kernel:taskqueue_enqueue:entry > / self->in_menq == 1 / > { > printf("Enqueue task"); > > } > > fbt:if_epair:epair_tx_start_deferred:entry > { > printf("epair_tx_start_deferred"); > } > ---------- > > I will do, please be gentle as i have never used dtrace. As this is a test machine i can do whatever i want with it. I will send the output to kp@ This is 14-HEAD BTW, i can do on 13.1 if you want! regards, Johan