Public bug reported: On an NFS server, my logs are being filled with these errors:
Sep 13 10:53:36 bolt kernel: [91026.387175] ------------[ cut here ]------------ Sep 13 10:53:36 bolt kernel: [91026.387229] WARNING: at /build/buildd/linux-3.2.0/net/sunrpc/sched.c:630 rpc_exit_task+0x8d/0x90 [sunrpc]() Sep 13 10:53:36 bolt kernel: [91026.387234] Hardware name: PowerEdge R420 Sep 13 10:53:36 bolt kernel: [91026.387237] Modules linked in: act_police cls_basic cls_flow cls_fw cls_u32 sch_tbf sch_prio sch_htb sch_hfsc sch_ingress sch_sfq mpt2sas scsi_transport_sas raid_class mptctl mptbase dell_rbu microcode xt_time xt_connlimit xt_realm xt_addrtype iptable_raw xt_comment xt_recent xt_policy ipt_ULOG ipt_REJECT ipt_REDIRECT ipt_NETMAP ipt_MASQUERADE ipt_ECN ipt_ecn ipt_CLUSTERIP ipt_ah xt_set ip_set nf_nat_tftp nf_nat_snmp_basic nf_conntrack_snmp nf_nat_sip nf_nat_pptp nf_nat_proto_gre nf_nat_irc nf_nat_h323 nf_nat_ftp nf_nat_amanda ts_kmp nf_conntrack_amanda nf_conntrack_sane nf_conntrack_tftp nf_conntrack_sip nf_conntrack_proto_sctp nf_conntrack_pptp nf_conntrack_proto_gre nf_conntrack_netlink nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_irc nf_conntrack_h323 nf_conntrack_ftp xt_TPROXY nf_tproxy_core ip6_tables nf_defrag_ipv6 xt_tcpmss xt_pkttype xt_physdev xt_owner xt_NFQUEUE xt_NFLOG nfnetlink_log xt_multiport xt_mark xt_mac xt_limit xt_length xt_iprange xt_helper x Sep 13 10:53:36 bolt kernel: t_hashlimit xt_DSCP xt_dscp xt_dccp xt_conntrack xt_connmark xt_CLASSIFY xt_AUDIT ipt_LOG xt_tcpudp xt_state iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack iptable_mangle nfnetlink iptable_filter ip_tables x_tables vesafb nfsd shpchp joydev ipmi_watchdog nfs ipmi_devintf lockd fscache auth_rpcgss nfs_acl ipmi_si ipmi_msghandler sb_edac mei(C) ioatdma sunrpc lp mac_hid edac_core dca parport acpi_pad acpi_power_meter dcdbas wmi usbhid hid tg3 megaraid_sas Sep 13 10:53:36 bolt kernel: [91026.387369] Pid: 209, comm: kworker/15:1 Tainted: G WC 3.2.0-30-generic #48-Ubuntu Sep 13 10:53:36 bolt kernel: [91026.387373] Call Trace: Sep 13 10:53:36 bolt kernel: [91026.387392] [<ffffffff81066d7f>] warn_slowpath_common+0x7f/0xc0 Sep 13 10:53:36 bolt kernel: [91026.387414] [<ffffffffa0159610>] ? __rpc_execute+0x1d0/0x1d0 [sunrpc] Sep 13 10:53:36 bolt kernel: [91026.387420] [<ffffffff81066dda>] warn_slowpath_null+0x1a/0x20 Sep 13 10:53:36 bolt kernel: [91026.387439] [<ffffffffa0158abd>] rpc_exit_task+0x8d/0x90 [sunrpc] Sep 13 10:53:36 bolt kernel: [91026.387458] [<ffffffffa01594a6>] __rpc_execute+0x66/0x1d0 [sunrpc] Sep 13 10:53:36 bolt kernel: [91026.387476] [<ffffffffa0159610>] ? __rpc_execute+0x1d0/0x1d0 [sunrpc] Sep 13 10:53:36 bolt kernel: [91026.387495] [<ffffffffa015963a>] rpc_async_schedule+0x2a/0x40 [sunrpc] Sep 13 10:53:36 bolt kernel: [91026.387506] [<ffffffff81084a6a>] process_one_work+0x11a/0x480 Sep 13 10:53:36 bolt kernel: [91026.387514] [<ffffffff81085814>] worker_thread+0x164/0x370 Sep 13 10:53:36 bolt kernel: [91026.387521] [<ffffffff810856b0>] ? manage_workers.isra.30+0x130/0x130 Sep 13 10:53:36 bolt kernel: [91026.387527] [<ffffffff8108a03c>] kthread+0x8c/0xa0 Sep 13 10:53:36 bolt kernel: [91026.387538] [<ffffffff81664b74>] kernel_thread_helper+0x4/0x10 Sep 13 10:53:36 bolt kernel: [91026.387544] [<ffffffff81089fb0>] ? flush_kthread_worker+0xa0/0xa0 Sep 13 10:53:36 bolt kernel: [91026.387550] [<ffffffff81664b70>] ? gs_change+0x13/0x13 Sep 13 10:53:36 bolt kernel: [91026.387554] ---[ end trace db2cb0625a71a787 ]--- Sep 13 10:54:10 bolt kernel: [91060.356232] ------------[ cut here ]------------ Sep 13 10:54:10 bolt kernel: [91060.356279] WARNING: at /build/buildd/linux-3.2.0/net/sunrpc/sched.c:630 rpc_exit_task+0x8d/0x90 [sunrpc]() Sep 13 10:54:10 bolt kernel: [91060.356283] Hardware name: PowerEdge R420 Sep 13 10:54:10 bolt kernel: [91060.356286] Modules linked in: act_police cls_basic cls_flow cls_fw cls_u32 sch_tbf sch_prio sch_htb sch_hfsc sch_ingress sch_sfq mpt2sas scsi_transport_sas raid_class mptctl mptbase dell_rbu microcode xt_time xt_connlimit xt_realm xt_addrtype iptable_raw xt_comment xt_recent xt_policy ipt_ULOG ipt_REJECT ipt_REDIRECT ipt_NETMAP ipt_MASQUERADE ipt_ECN ipt_ecn ipt_CLUSTERIP ipt_ah xt_set ip_set nf_nat_tftp nf_nat_snmp_basic nf_conntrack_snmp nf_nat_sip nf_nat_pptp nf_nat_proto_gre nf_nat_irc nf_nat_h323 nf_nat_ftp nf_nat_amanda ts_kmp nf_conntrack_amanda nf_conntrack_sane nf_conntrack_tftp nf_conntrack_sip nf_conntrack_proto_sctp nf_conntrack_pptp nf_conntrack_proto_gre nf_conntrack_netlink nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_irc nf_conntrack_h323 nf_conntrack_ftp xt_TPROXY nf_tproxy_core ip6_tables nf_defrag_ipv6 xt_tcpmss xt_pkttype xt_physdev xt_owner xt_NFQUEUE xt_NFLOG nfnetlink_log xt_multiport xt_mark xt_mac xt_limit xt_length xt_iprange xt_helper x Sep 13 10:54:10 bolt kernel: t_hashlimit xt_DSCP xt_dscp xt_dccp xt_conntrack xt_connmark xt_CLASSIFY xt_AUDIT ipt_LOG xt_tcpudp xt_state iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack iptable_mangle nfnetlink iptable_filter ip_tables x_tables vesafb nfsd shpchp joydev ipmi_watchdog nfs ipmi_devintf lockd fscache auth_rpcgss nfs_acl ipmi_si ipmi_msghandler sb_edac mei(C) ioatdma sunrpc lp mac_hid edac_core dca parport acpi_pad acpi_power_meter dcdbas wmi usbhid hid tg3 megaraid_sas Sep 13 10:54:10 bolt kernel: [91060.356419] Pid: 209, comm: kworker/15:1 Tainted: G WC 3.2.0-30-generic #48-Ubuntu Sep 13 10:54:10 bolt kernel: [91060.356422] Call Trace: Sep 13 10:54:10 bolt kernel: [91060.356442] [<ffffffff81066d7f>] warn_slowpath_common+0x7f/0xc0 Sep 13 10:54:10 bolt kernel: [91060.356463] [<ffffffffa0159610>] ? __rpc_execute+0x1d0/0x1d0 [sunrpc] Sep 13 10:54:10 bolt kernel: [91060.356470] [<ffffffff81066dda>] warn_slowpath_null+0x1a/0x20 Sep 13 10:54:10 bolt kernel: [91060.356489] [<ffffffffa0158abd>] rpc_exit_task+0x8d/0x90 [sunrpc] Sep 13 10:54:10 bolt kernel: [91060.356508] [<ffffffffa01594a6>] __rpc_execute+0x66/0x1d0 [sunrpc] Sep 13 10:54:10 bolt kernel: [91060.356526] [<ffffffffa0159610>] ? __rpc_execute+0x1d0/0x1d0 [sunrpc] Sep 13 10:54:10 bolt kernel: [91060.356545] [<ffffffffa015963a>] rpc_async_schedule+0x2a/0x40 [sunrpc] Sep 13 10:54:10 bolt kernel: [91060.356556] [<ffffffff81084a6a>] process_one_work+0x11a/0x480 Sep 13 10:54:10 bolt kernel: [91060.356564] [<ffffffff81085814>] worker_thread+0x164/0x370 Sep 13 10:54:10 bolt kernel: [91060.356570] [<ffffffff810856b0>] ? manage_workers.isra.30+0x130/0x130 Sep 13 10:54:10 bolt kernel: [91060.356577] [<ffffffff8108a03c>] kthread+0x8c/0xa0 Sep 13 10:54:10 bolt kernel: [91060.356588] [<ffffffff81664b74>] kernel_thread_helper+0x4/0x10 Sep 13 10:54:10 bolt kernel: [91060.356593] [<ffffffff81089fb0>] ? flush_kthread_worker+0xa0/0xa0 Sep 13 10:54:10 bolt kernel: [91060.356600] [<ffffffff81664b70>] ? gs_change+0x13/0x13 Sep 13 10:54:10 bolt kernel: [91060.356603] ---[ end trace db2cb0625a71a788 ]--- Sep 13 10:57:43 bolt kernel: [91273.118738] net_ratelimit: 1 callbacks suppressed Sep 13 10:59:25 bolt kernel: [91374.875262] ------------[ cut here ]------------ Sep 13 10:59:25 bolt kernel: [91374.875304] WARNING: at /build/buildd/linux-3.2.0/net/sunrpc/sched.c:630 rpc_exit_task+0x8d/0x90 [sunrpc]() Sep 13 10:59:25 bolt kernel: [91374.875306] Hardware name: PowerEdge R420 Sep 13 10:59:25 bolt kernel: [91374.875308] Modules linked in: act_police cls_basic cls_flow cls_fw cls_u32 sch_tbf sch_prio sch_htb sch_hfsc sch_ingress sch_sfq mpt2sas scsi_transport_sas raid_class mptctl mptbase dell_rbu microcode xt_time xt_connlimit xt_realm xt_addrtype iptable_raw xt_comment xt_recent xt_policy ipt_ULOG ipt_REJECT ipt_REDIRECT ipt_NETMAP ipt_MASQUERADE ipt_ECN ipt_ecn ipt_CLUSTERIP ipt_ah xt_set ip_set nf_nat_tftp nf_nat_snmp_basic nf_conntrack_snmp nf_nat_sip nf_nat_pptp nf_nat_proto_gre nf_nat_irc nf_nat_h323 nf_nat_ftp nf_nat_amanda ts_kmp nf_conntrack_amanda nf_conntrack_sane nf_conntrack_tftp nf_conntrack_sip nf_conntrack_proto_sctp nf_conntrack_pptp nf_conntrack_proto_gre nf_conntrack_netlink nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_irc nf_conntrack_h323 nf_conntrack_ftp xt_TPROXY nf_tproxy_core ip6_tables nf_defrag_ipv6 xt_tcpmss xt_pkttype xt_physdev xt_owner xt_NFQUEUE xt_NFLOG nfnetlink_log xt_multiport xt_mark xt_mac xt_limit xt_length xt_iprange xt_helper x Sep 13 10:59:25 bolt kernel: t_hashlimit xt_DSCP xt_dscp xt_dccp xt_conntrack xt_connmark xt_CLASSIFY xt_AUDIT ipt_LOG xt_tcpudp xt_state iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack iptable_mangle nfnetlink iptable_filter ip_tables x_tables vesafb nfsd shpchp joydev ipmi_watchdog nfs ipmi_devintf lockd fscache auth_rpcgss nfs_acl ipmi_si ipmi_msghandler sb_edac mei(C) ioatdma sunrpc lp mac_hid edac_core dca parport acpi_pad acpi_power_meter dcdbas wmi usbhid hid tg3 megaraid_sas Sep 13 10:59:25 bolt kernel: [91374.875386] Pid: 497, comm: kworker/12:1 Tainted: G WC 3.2.0-30-generic #48-Ubuntu Sep 13 10:59:25 bolt kernel: [91374.875388] Call Trace: Sep 13 10:59:25 bolt kernel: [91374.875400] [<ffffffff81066d7f>] warn_slowpath_common+0x7f/0xc0 Sep 13 10:59:25 bolt kernel: [91374.875412] [<ffffffffa0159610>] ? __rpc_execute+0x1d0/0x1d0 [sunrpc] Sep 13 10:59:25 bolt kernel: [91374.875416] [<ffffffff81066dda>] warn_slowpath_null+0x1a/0x20 Sep 13 10:59:25 bolt kernel: [91374.875427] [<ffffffffa0158abd>] rpc_exit_task+0x8d/0x90 [sunrpc] Sep 13 10:59:25 bolt kernel: [91374.875438] [<ffffffffa01594a6>] __rpc_execute+0x66/0x1d0 [sunrpc] Sep 13 10:59:25 bolt kernel: [91374.875448] [<ffffffffa0159610>] ? __rpc_execute+0x1d0/0x1d0 [sunrpc] Sep 13 10:59:25 bolt kernel: [91374.875459] [<ffffffffa015963a>] rpc_async_schedule+0x2a/0x40 [sunrpc] Sep 13 10:59:25 bolt kernel: [91374.875465] [<ffffffff81084a6a>] process_one_work+0x11a/0x480 Sep 13 10:59:25 bolt kernel: [91374.875469] [<ffffffff81085814>] worker_thread+0x164/0x370 Sep 13 10:59:25 bolt kernel: [91374.875473] [<ffffffff810856b0>] ? manage_workers.isra.30+0x130/0x130 Sep 13 10:59:25 bolt kernel: [91374.875476] [<ffffffff8108a03c>] kthread+0x8c/0xa0 Sep 13 10:59:25 bolt kernel: [91374.875482] [<ffffffff81664b74>] kernel_thread_helper+0x4/0x10 Sep 13 10:59:25 bolt kernel: [91374.875486] [<ffffffff81089fb0>] ? flush_kthread_worker+0xa0/0xa0 Sep 13 10:59:25 bolt kernel: [91374.875489] [<ffffffff81664b70>] ? gs_change+0x13/0x13 Sep 13 10:59:25 bolt kernel: [91374.875491] ---[ end trace db2cb0625a71a789 ]--- Sep 13 11:00:10 bolt kernel: [91419.984456] net_ratelimit: 3 callbacks suppressed Clients are using NFSv4 and complain that the nfs server is not responding. The issue reported here looks similar: http://thread.gmane.org/gmane.linux.nfs/51086/focus=51132 ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: linux-image-3.2.0-30-generic 3.2.0-30.48 ProcVersionSignature: Ubuntu 3.2.0-30.48-generic 3.2.27 Uname: Linux 3.2.0-30-generic x86_64 AlsaDevices: total 0 crw-rw---T 1 root audio 116, 1 Sep 12 09:34 seq crw-rw---T 1 root audio 116, 33 Sep 12 09:34 timer AplayDevices: Error: [Errno 2] No such file or directory ApportVersion: 2.0.1-0ubuntu13 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: [Errno 2] No such file or directory Date: Thu Sep 13 10:57:59 2012 HibernationDevice: RESUME=UUID=f6035f1e-803a-4c84-8cdb-b83302b75dbd InstallationMedia: Ubuntu-Server 12.04 LTS "Precise Pangolin" - Release amd64 (20120424.1) MachineType: Dell Inc. PowerEdge R420 PciMultimedia: ProcEnviron: LANGUAGE=en_US:en TERM=xterm PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 VESA VGA ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.2.0-30-generic root=/dev/mapper/linux-root ro transparent_hugepage=always elevator=deadline RelatedPackageVersions: linux-restricted-modules-3.2.0-30-generic N/A linux-backports-modules-3.2.0-30-generic N/A linux-firmware 1.79.1 RfKill: Error: [Errno 2] No such file or directory SourcePackage: linux StagingDrivers: mei UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 05/11/2012 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.2.4 dmi.board.name: 072XWF dmi.board.vendor: Dell Inc. dmi.board.version: A01 dmi.chassis.type: 23 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.2.4:bd05/11/2012:svnDellInc.:pnPowerEdgeR420:pvr:rvnDellInc.:rn072XWF:rvrA01:cvnDellInc.:ct23:cvr: dmi.product.name: PowerEdge R420 dmi.sys.vendor: Dell Inc. ** Affects: linux (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug precise staging -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1050286 Title: WARNING: at /build/buildd/linux-3.2.0/net/sunrpc/sched.c:630 rpc_exit_task+0x8d/0x90 [sunrpc] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1050286/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
