Date: Mon, 24 Aug 2015 15:33:43 -0700 From: Sean Bruno <sbruno@freebsd.org> To: freebsd-stable@freebsd.org Subject: Re: Silent data corruption on em(4) interfaces Message-ID: <55DB9BC7.1070603@freebsd.org> In-Reply-To: <CALmdT0UC_gg6oSix_HSxLoJF_JDaqVbqen52trfcJGT2vKskgQ@mail.gmail.com> References: <CALmdT0UC_gg6oSix_HSxLoJF_JDaqVbqen52trfcJGT2vKskgQ@mail.gmail.com>
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 On 08/20/15 02:57, KOT MATPOCKuH wrote: > Hello! > > I got silent data corruption when transferring data via em(4) > interface on 10.2-STABLE r286912. 1. I got broken large file > transferred via ftp (MD5 checksum mismatched); 2. I got disconnects > when transferring large data via ssh with messages: Corrupted MAC > on input. Disconnecting: Packet corrupt > > Problem occurs only after few hours of uptime. Immediately after > reboot I transferred same file via ftp without any errors. > > I tried to use: - em0 and em2 interfaces in link aggregation - em1 > as "clean" interface But I got same problem in both cases. > > Also one time when transferring file I got this messages: em0: > Interface stopped DISTRIBUTING, possible flapping em0: Watchdog > timeout -- resetting em2: Interface stopped DISTRIBUTING, possible > flapping em2: Watchdog timeout -- resetting > > netstat -in does not see any problems: Name Mtu Network > Address Ipkts Ierrs Idrop Opkts Oerrs Coll em0 > 1500 <Link#1> 00:14:4f:01:3f:7a 6689452 0 0 146720 > 0 0 em1 1500 <Link#2> 00:14:4f:01:3f:7b 5732168 0 > 0 2865912 0 0 em2 1500 <Link#3> 00:14:4f:01:3f:7c > 501817 0 0 3392333 0 0 > > Network adapters is build in to the Sun Fire X4100 mother board: > em0@pci0:1:1:0: class=0x020000 card=0x10118086 chip=0x10108086 > rev=0x03 hdr=0x00 vendor = 'Intel Corporation' device = > '82546EB Gigabit Ethernet Controller (Copper)' class = > network subclass = ethernet > > TCP_OFFLOAD disabled in kernel's config. > > Any ideas? > Can you file a bugzilla report for this with all possible information from your report? sean -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQF8BAEBCgBmBQJV25vFXxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXRCQUFENDYzMkU3MTIxREU4RDIwOTk3REQx MjAxRUZDQTFFNzI3RTY0AAoJEBIB78oecn5kyC8H+QFLXz2hbRmkBhTlxExfZpUw ZtWDvrwJAnLXXsMVPi+E3icGLX2YYljw/MCpD8LqxJTs2jQOc+X3wIjI4nt5WEHI ve/KTpsdYjdxvLrIFRgUbt+oCv8C0NFfmQNsLqFRCe2Cz3tUtdwQsFGUXH6NkKxN Xj3tC1yBRwwVoywhmaU5uahaBtv4IC6x00iDkbjrX9GZKiBZD11HcGYyNMoCUFsP Njz1UZjtuztuy1IuDXbVn+HMm90VOsRziMgU2LQmsWTp6sSw+T/45ce0UYzrlhEl n/50fboUdS8k8kfjjyxid2kaskOAfe/qWZB59qdiKFDdgBFz7/oBRwN/yq6Ww1U= =fy/H -----END PGP SIGNATURE-----
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