From owner-freebsd-net@freebsd.org Thu Apr 29 19:56:27 2021 Return-Path: Delivered-To: freebsd-net@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 069A7634EAC for ; Thu, 29 Apr 2021 19:56:27 +0000 (UTC) (envelope-from ozkan.kirik@gmail.com) Received: from mail-vs1-xe29.google.com (mail-vs1-xe29.google.com [IPv6:2607:f8b0:4864:20::e29]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4FWR8T6DThz3Dl9; Thu, 29 Apr 2021 19:56:25 +0000 (UTC) (envelope-from ozkan.kirik@gmail.com) Received: by mail-vs1-xe29.google.com with SMTP id 2so34350260vsh.4; Thu, 29 Apr 2021 12:56:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=W78lQgv+01v7kQdoLehhm3IOM0xLeQgM4tJsGy37vqA=; b=LKSqf0yWFeYGIwBnfiQuNy9w+xI4A9IuOhCFN3iVJbiLKbwVwqC7fiSh7BpEW9T+06 cjrK3Ac2TFS88a6sELyFgaNJRdFJ+pyMEaQDV+qpLkGWXi+VCGNXDkGb0jtlt/NVZyI2 m5xercb/1dzFadutaWKZ6A4I3vBpoT1Bp+1KazZVq4FomNG4C1/WKTu+JG1+F15k+lY9 VTBrsZh4nCcATtaozwwyXu19xfS424TsCflQxWDi0B7AiDJxHnhPM9YaUluK/EDfRuDr 9CvjGT4iu8U/8HWw+9PQKZv/kX2XcZAHBhRfgCGdwymobfEbweqTWzQAi+Hi8kxOY53G 0thQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=W78lQgv+01v7kQdoLehhm3IOM0xLeQgM4tJsGy37vqA=; b=mYlwggBhIit24k1JLCobvJgrA4J1o1moEpyAhnqEzgvgr7HvxXo3hsxJFaZqVNKjgy 9VWmDtpJ+BGkwwrLN0ixfuU9uz41RBTNeRUEEwHubzWO7+k3FYaw+X3WqnGLvP8/7la1 YLjqHC1VhJgNCuxCE5HuoLbTyMTkkLQYB+OQswFoXRRrHnlnbvACRojGM3VWVXZlvhL7 WqRRnh5/GbfpBC1SbEO5FKqgs7cJIGE0xOZ3UEIPXORCLyxxP1FYb+8fZDIWucFflcHh gonwtIqpQ0bl+AnkcNTbGz+75ndVvBgsfRIQ9qG6VqdoaygYpXeAuJ3Ik0Vftt/uYLyU bwqQ== X-Gm-Message-State: AOAM532mxejucGoCeyUrT7g/bVntqhJUMCP5nSbePG0zYedN6TmX+tst hXkdSCicZxWRCybZZvUivFreH62QFY+BKLRjIUWFBZByFoM= X-Google-Smtp-Source: ABdhPJymKvsOEXdlKspWbFhacu3QgQVa1chvIgAK8zIhxWfEbRSIJE2PJCMdABCp1VHi2/wDox0JmXb5EOo98OcjSBU= X-Received: by 2002:a05:6102:389:: with SMTP id m9mr2362316vsq.33.1619726184490; Thu, 29 Apr 2021 12:56:24 -0700 (PDT) MIME-Version: 1.0 From: =?UTF-8?B?w5Z6a2FuIEtJUklL?= Date: Thu, 29 Apr 2021 22:56:13 +0300 Message-ID: Subject: Chelsio T62100 - t6nex0: encountered fatal error, adapter stopped. To: FreeBSD Net , Navdeep Parhar , John Baldwin X-Rspamd-Queue-Id: 4FWR8T6DThz3Dl9 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=LKSqf0yW; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of ozkankirik@gmail.com designates 2607:f8b0:4864:20::e29 as permitted sender) smtp.mailfrom=ozkankirik@gmail.com X-Spamd-Result: default: False [-2.80 / 15.00]; FREEMAIL_FROM(0.00)[gmail.com]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; RBL_DBL_DONT_QUERY_IPS(0.00)[2607:f8b0:4864:20::e29:from]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; TAGGED_FROM(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; NEURAL_SPAM_SHORT(0.20)[0.199]; SPAMHAUS_ZRD(0.00)[2607:f8b0:4864:20::e29:from:127.0.2.255]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::e29:from]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[freebsd-net] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.34 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 29 Apr 2021 19:56:27 -0000 Hello, I'm using, FreeBSD stable/12-n232956-5fb6cfadcd9d-dirty: Mon Apr 12 09:03:59 +03 2021 . I'm trying to run iperf between two hosts that each one has Chelsio T62100-LP-CR card. There two host is connected with AOC cable. ifconfig output of one host is below: cc0: flags=8843 metric 0 mtu 1500 options=62ec07bb ether 00:07:43:3e:5e:80 inet6 fe80::207:43ff:fe3e:5e80%cc0 prefixlen 64 scopeid 0xa inet 192.168.0.70 netmask 0xffffff00 broadcast 192.168.0.255 groups: lanlar media: Ethernet 100GBase-SR4 status: active nd6 options=21 On the host A running : iperf -s On the host B running : iperf -c IP_OF_HOST_A -P 8 iperf version = iperf-2.1.0.r2 When I rerun iperf -c on host B, host A throws these line to dmesg: t6nex0: ! PL_PERR_CAUSE 0x19404 = 0x04000000, E 0x1fff63ff, F 0xffffffff t6nex0: ! [0x04000000] SGE t6nex0: * PL_INT_CAUSE 0x1940c = 0x04000040, E 0x1fff677d, F 0x00000000 t6nex0: * [0x04000000] SGE t6nex0: * [0x00000040] PL t6nex0: ! SGE_INT_CAUSE5 0x110c = 0x00001000, E 0x00ffffff, F 0x00ffffff t6nex0: ! PL_PL_INT_CAUSE 0x19430 = 0x00000014, E 0x00000010, F 0x00000010 t6nex0: ! [0x00000010] Fatal parity error t6nex0: ? [0x00000004] t6nex0: encountered fatal error, adapter stopped. ---------------------- I tried to run "ifconfig cc0 down; ifconfig cc0 up". and then there lines throwed to dmesg: cc0: link state changed to DOWN t6nex0: command 0x16 in mbox 4 timed out (0x4014c010). t6nex0: mbox 4 cmdsent 16a0094400000001 05dc050000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 t6nex0: mbox 4 current 16a0094400000001 05dc050000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 t6nex0: device log follows. Seq# Tstamp Level Facility Message 1949 46807821058 CRIT HW i2c transaction failed to complete 1950 46807821058 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 1951 46807941058 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6245, i2cm_op 0x1 failed with err -71 1952 46807941059 CRIT HW i2c transaction failed to complete 1953 46807941059 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 1954 46808061059 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6246, i2cm_op 0x1 failed with err -71 1955 46808061059 CRIT HW i2c transaction failed to complete 1956 46808061060 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 1957 46808181059 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6245, i2cm_op 0x1 failed with err -71 1958 46808181060 CRIT HW i2c transaction failed to complete 1959 46808181060 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 1960 46808301059 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6245, i2cm_op 0x1 failed with err -71 1961 46808301060 CRIT HW i2c transaction failed to complete 1962 46808301061 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 1963 46808421059 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6246, i2cm_op 0x1 failed with err -71 1964 46808421059 CRIT HW i2c transaction failed to complete 1965 46808421060 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 1966 46808514573 INFO PORT port[1] Link not up, try FEC 0x800000 1967 46808514574 INFO PORT port[1] speed update: 0x40 1968 46808524385 INFO PORT hw_mac_init_port[1], ptype 0x11, speed 0x40, lanes 0xf0, fec 0x800000 1969 46808551626 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 16811, i2cm_op 0x1 failed with err -71 1970 46808551627 CRIT HW i2c transaction failed to complete 1971 46808551627 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 1972 46808671061 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6246, i2cm_op 0x1 failed with err -71 1973 46808671062 CRIT HW i2c transaction failed to complete 1974 46808671062 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 1975 46808791061 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6245, i2cm_op 0x1 failed with err -71 1976 46808791062 CRIT HW i2c transaction failed to complete 1977 46808791062 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 1978 46808911061 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6245, i2cm_op 0x1 failed with err -71 1979 46808911062 CRIT HW i2c transaction failed to complete 1980 46808911062 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 1981 46809031062 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6246, i2cm_op 0x1 failed with err -71 1982 46809031062 CRIT HW i2c transaction failed to complete 1983 46809031063 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 1984 46809151062 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6245, i2cm_op 0x1 failed with err -71 1985 46809151063 CRIT HW i2c transaction failed to complete 1986 46809151063 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 1987 46809271063 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6245, i2cm_op 0x1 failed with err -71 1988 46809271063 CRIT HW i2c transaction failed to complete 1989 46809271064 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 1990 46809391062 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6246, i2cm_op 0x1 failed with err -71 1991 46809391062 CRIT HW i2c transaction failed to complete 1992 46809391063 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 1993 46809511063 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6245, i2cm_op 0x1 failed with err -71 1994 46809511064 CRIT HW i2c transaction failed to complete 1995 46809511064 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 1996 46809631064 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6245, i2cm_op 0x1 failed with err -71 1997 46809631064 CRIT HW i2c transaction failed to complete 1998 46809631065 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 1999 46809751064 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6245, i2cm_op 0x1 failed with err -71 2000 46809751065 CRIT HW i2c transaction failed to complete 2001 46809751065 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 2002 46809871064 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6245, i2cm_op 0x1 failed with err -71 2003 46809871065 CRIT HW i2c transaction failed to complete 2004 46809871065 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 2005 46809991064 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6246, i2cm_op 0x1 failed with err -71 2006 46809991064 CRIT HW i2c transaction failed to complete 2007 46809991065 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 2008 46810111065 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6245, i2cm_op 0x1 failed with err -71 2009 46810111066 CRIT HW i2c transaction failed to complete 2010 46810111066 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 2011 46810231066 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6245, i2cm_op 0x1 failed with err -71 2012 46810231066 CRIT HW i2c transaction failed to complete 2013 46810231067 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 2014 46810351065 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6246, i2cm_op 0x1 failed with err -71 2015 46810351066 CRIT HW i2c transaction failed to complete 2016 46810351066 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 2017 46810471066 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6245, i2cm_op 0x1 failed with err -71 2018 46810471067 CRIT HW i2c transaction failed to complete 2019 46810471067 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 2020 46810591067 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6246, i2cm_op 0x1 failed with err -71 2021 46810591067 CRIT HW i2c transaction failed to complete 2022 46810591068 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 2023 46810711067 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6245, i2cm_op 0x1 failed with err -71 2024 46810711068 CRIT HW i2c transaction failed to complete 2025 46810711068 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 2026 46810831067 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6245, i2cm_op 0x1 failed with err -71 2027 46810831068 CRIT HW i2c transaction failed to complete 2028 46810831069 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 2029 46810951067 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6246, i2cm_op 0x1 failed with err -71 2030 46810951067 CRIT HW i2c transaction failed to complete 2031 46810951068 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 2032 46811071068 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6245, i2cm_op 0x1 failed with err -71 2033 46811071069 CRIT HW i2c transaction failed to complete 2034 46811071069 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 2035 46811191069 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6245, i2cm_op 0x1 failed with err -71 2036 46811191069 CRIT HW i2c transaction failed to complete 2037 46811191070 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 2038 46811311069 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6245, i2cm_op 0x1 failed with err -71 2039 46811311070 CRIT HW i2c transaction failed to complete 2040 46811311070 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 2041 46811431069 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6245, i2cm_op 0x1 failed with err -71 2042 46811431070 CRIT HW i2c transaction failed to complete 2043 46811431070 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 2044 46811551070 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6246, i2cm_op 0x1 failed with err -71 2045 46811551070 CRIT HW i2c transaction failed to complete 2046 46811551071 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 2047 46811671070 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6245, i2cm_op 0x1 failed with err -71 2048 46811671071 CRIT HW i2c transaction failed to complete 2049 46811671071 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 2050 46811791071 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6245, i2cm_op 0x1 failed with err -71 2051 46811791071 CRIT HW i2c transaction failed to complete 2052 46811791072 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 2053 46811911071 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6245, i2cm_op 0x1 failed with err -71 2054 46811911071 CRIT HW i2c transaction failed to complete 2055 46811911072 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 2056 46812031071 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6245, i2cm_op 0x1 failed with err -71 2057 46812031072 CRIT HW i2c transaction failed to complete 2058 46812031072 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 2059 46812151072 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6245, i2cm_op 0x1 failed with err -71 2060 46812151072 CRIT HW i2c transaction failed to complete 2061 46812151073 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 2062 46812271072 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6245, i2cm_op 0x1 failed with err -71 2063 46812271073 CRIT HW i2c transaction failed to complete 2064 46812271073 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 2065 46812391072 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6245, i2cm_op 0x1 failed with err -71 2066 46812391073 CRIT HW i2c transaction failed to complete 2067 46812391073 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 2068 46812511073 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6246, i2cm_op 0x1 failed with err -71 2069 46812511073 CRIT HW i2c transaction failed to complete 2070 46812511074 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 2071 46812631073 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6245, i2cm_op 0x1 failed with err -71 2072 46812631074 CRIT HW i2c transaction failed to complete 2073 46812631074 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 2074 46812751074 INFO HW hw_i2c_transaction: Address WRITE operation ndata 1 addr_op 0xa0 reg 0x56 data[0] 0x0 diff 6245, i2cm_op 0x1 failed with err -71 2075 46812751074 CRIT HW i2c transaction failed to complete 2076 46812751075 ERR PORT port_link_state_handler[0]: Something went terribly wrong. ret = -5 t6nex0: encountered fatal error, adapter stopped. cc0: set_rxmode (ffff) failed: 60 cc0: disable_vi failed: 60 ---------------------- And cc0 stops working, after reboot it starts work. The problem is reproducable. # pciconf -lv t6iov0@pci0:59:0:0: class=0x020000 card=0x00001425 chip=0x60071425 rev=0x00 hdr=0x00 vendor = 'Chelsio Communications Inc' device = 'T62100-LP-CR Unified Wire Ethernet Controller' class = network subclass = ethernet t6iov1@pci0:59:0:1: class=0x020000 card=0x00001425 chip=0x60071425 rev=0x00 hdr=0x00 vendor = 'Chelsio Communications Inc' device = 'T62100-LP-CR Unified Wire Ethernet Controller' class = network subclass = ethernet t6iov2@pci0:59:0:2: class=0x020000 card=0x00001425 chip=0x60071425 rev=0x00 hdr=0x00 vendor = 'Chelsio Communications Inc' device = 'T62100-LP-CR Unified Wire Ethernet Controller' class = network subclass = ethernet t6iov3@pci0:59:0:3: class=0x020000 card=0x00001425 chip=0x60071425 rev=0x00 hdr=0x00 vendor = 'Chelsio Communications Inc' device = 'T62100-LP-CR Unified Wire Ethernet Controller' class = network subclass = ethernet t6nex0@pci0:59:0:4: class=0x020000 card=0x00001425 chip=0x64071425 rev=0x00 hdr=0x00 vendor = 'Chelsio Communications Inc' device = 'T62100-LP-CR Unified Wire Ethernet Controller' class = network subclass = ethernet none110@pci0:59:0:5: class=0x010000 card=0x00001425 chip=0x65071425 rev=0x00 hdr=0x00 vendor = 'Chelsio Communications Inc' device = 'T62100-LP-CR Unified Wire Storage Controller' class = mass storage subclass = SCSI none111@pci0:59:0:6: class=0x0c0400 card=0x00001425 chip=0x66071425 rev=0x00 hdr=0x00 vendor = 'Chelsio Communications Inc' device = 'T62100-LP-CR Unified Wire Storage Controller' class = serial bus subclass = Fibre Channel Regards Ozkan