apport information ** Package changed: linux (Ubuntu) => ubuntu
** Package changed: ubuntu => linux-meta (Ubuntu) ** Tags added: apport-collected ** Description changed: Hey, when running the haproxy server with splice feature enabled on a high traffic server, we're getting the following message in the kernel logs being spammed: [107728.178357] WARNING: at /build/buildd/linux-3.2.0/net/ipv4/tcp.c:1201 tcp_cleanup_rbuf+0x54/0x120() [107728.178358] Hardware name: Bochs [107728.178360] cleanup rbuf bug: copied 4759794E seq 475788CA rcvnxt 4759794E [107728.178375] Modules linked in: iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 iptable_filter ip_tables x_tables psmouse serio_raw virtio_balloon acpiphp floppy [107728.178383] Pid: 27044, comm: haproxy Tainted: G W 3.2.0-32-virtual #51-Ubuntu [107728.178385] Call Trace: [107728.178388] [<ffffffff810659ff>] warn_slowpath_common+0x7f/0xc0 [107728.178391] [<ffffffff81065af6>] warn_slowpath_fmt+0x46/0x50 [107728.178394] [<ffffffff8157f2b4>] tcp_cleanup_rbuf+0x54/0x120 [107728.178396] [<ffffffff815801db>] tcp_recvmsg+0x63b/0xba0 [107728.178399] [<ffffffff815a3f5b>] inet_recvmsg+0x6b/0x80 [107728.178402] [<ffffffff8152424d>] sock_recvmsg+0x11d/0x140 [107728.178404] [<ffffffff8157f2b4>] ? tcp_cleanup_rbuf+0x54/0x120 [107728.178407] [<ffffffff815808f1>] ? tcp_read_sock+0x1b1/0x200 [107728.178409] [<ffffffff81523617>] ? sock_sendpage+0x27/0x30 [107728.178412] [<ffffffff81653df9>] ? _raw_spin_unlock_bh+0x19/0x20 [107728.178415] [<ffffffff815291cd>] ? release_sock+0x6d/0x80 [107728.178417] [<ffffffff81580b33>] ? tcp_splice_read+0x1f3/0x250 [107728.178420] [<ffffffff8152758e>] sys_recvfrom+0xee/0x170 [107728.178423] [<ffffffff8103be79>] ? kvm_clock_get_cycles+0x9/0x10 [107728.178426] [<ffffffff811a3560>] ? sys_splice+0xf0/0x100 [107728.178429] [<ffffffff8165c302>] system_call_fastpath+0x16/0x1b We're using Ubuntu 12.04 LTS. Is there anything else I can provide you with to trace this? /proc/version_signature: Ubuntu 3.2.0-32.51-virtual 3.2.30 Regards :) + --- + AlsaDevices: + total 0 + crw-rw---T 1 root audio 116, 1 Dec 5 14:28 seq + crw-rw---T 1 root audio 116, 33 Dec 5 14:28 timer + AplayDevices: Error: [Errno 2] No such file or directory + ApportVersion: 2.0.1-0ubuntu14 + Architecture: amd64 + ArecordDevices: Error: [Errno 2] No such file or directory + AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: + CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found. + DistroRelease: Ubuntu 12.04 + IwConfig: + lo no wireless extensions. + + eth0 no wireless extensions. + Lsusb: + Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub + Bus 001 Device 002: ID 0627:0001 Adomax Technology Co., Ltd + MachineType: Bochs Bochs + Package: linux-meta (not installed) + PciMultimedia: + + ProcFB: 0 EFI VGA + ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-32-virtual root=UUID=c60d1715-05ce-4654-bf80-46eebe5fc416 ro console=ttyS0 + ProcVersionSignature: Ubuntu 3.2.0-32.51-virtual 3.2.30 + RelatedPackageVersions: + linux-restricted-modules-3.2.0-32-virtual N/A + linux-backports-modules-3.2.0-32-virtual N/A + linux-firmware 1.79.1 + RfKill: Error: [Errno 2] No such file or directory + Tags: precise + Uname: Linux 3.2.0-32-virtual x86_64 + UpgradeStatus: No upgrade log present (probably fresh install) + UserGroups: + + dmi.bios.date: 01/01/2007 + dmi.bios.vendor: Bochs + dmi.bios.version: Bochs + dmi.chassis.type: 1 + dmi.chassis.vendor: Bochs + dmi.modalias: dmi:bvnBochs:bvrBochs:bd01/01/2007:svnBochs:pnBochs:pvr:cvnBochs:ct1:cvr: + dmi.product.name: Bochs + dmi.sys.vendor: Bochs ** Attachment added: "AcpiTables.txt" https://bugs.launchpad.net/bugs/1087466/+attachment/3453419/+files/AcpiTables.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1087466 Title: kernel splice() bug being caused by haproxy To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-meta/+bug/1087466/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs