kernel-packages team mailing list archive

Thread
Date
[Bug 1050286] Re: WARNING: at /build/buildd/linux-3.2.0/net/sunrpc/sched.c:630 rpc_exit_task+0x8d/0x90 [sunrpc]

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Sam Cheeseman <sam.cheezman@xxxxxxxxx>
Date: Fri, 13 Sep 2013 18:34:04 -0000
Reply-to: Bug 1050286 <1050286@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Running into the same problem on a brand new 12.04 LTS server.

Out put from uname -a ::
Linux capo 3.5.0-40-generic #62~precise1-Ubuntu SMP Fri Aug 23 17:38:26 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

dmesg shows ::

[353708.625029] ------------[ cut here ]------------
[353708.625053] WARNING: at /build/buildd/linux-lts-quantal-3.5.0/net/sunrpc/sched.c:676 rpc_exit_task+0x8d/0x90 [sunrpc]()
[353708.625055] Hardware name: Lenovo ThinkServer RD430
[353708.625057] Modules linked in: btrfs zlib_deflate libcrc32c ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs reiserfs mpt2sas raid_class mptctl mptbase vesafb kvm_intel kvm ghash_clmulni_intel aesni_intel cryptd parport_pc aes_x86_64 ppdev joydev mac_hid sb_edac hid_generic ioatdma usbhid mei edac_core hid lpc_ich shpchp microcode tpm_tis coretemp nfsd nfs bonding lockd fscache auth_rpcgss ext2 nfs_acl lp parport sunrpc ahci libahci igb megaraid_sas dca isci libsas scsi_transport_sas
[353708.625094] Pid: 4021, comm: kworker/0:2 Tainted: G        W    3.5.0-40-generic #62~precise1-Ubuntu
[353708.625095] Call Trace:
[353708.625103]  [<ffffffff81052e7f>] warn_slowpath_common+0x7f/0xc0
[353708.625106]  [<ffffffff81052eda>] warn_slowpath_null+0x1a/0x20
[353708.625115]  [<ffffffffa00e1c1d>] rpc_exit_task+0x8d/0x90 [sunrpc]
[353708.625124]  [<ffffffffa00e3350>] __rpc_execute+0x80/0x250 [sunrpc]
[353708.625132]  [<ffffffffa00e1b90>] ? rpc_init_task+0x170/0x170 [sunrpc]
[353708.625140]  [<ffffffffa00e1b90>] ? rpc_init_task+0x170/0x170 [sunrpc]
[353708.625149]  [<ffffffffa00e354a>] rpc_async_schedule+0x2a/0x40 [sunrpc]
[353708.625152]  [<ffffffff81071c47>] process_one_work+0x127/0x470
[353708.625156]  [<ffffffff81072e85>] worker_thread+0x165/0x370
[353708.625159]  [<ffffffff81072d20>] ? manage_workers.isra.29+0x130/0x130
[353708.625162]  [<ffffffff81077e03>] kthread+0x93/0xa0
[353708.625165]  [<ffffffff816a7d64>] kernel_thread_helper+0x4/0x10
[353708.625168]  [<ffffffff81077d70>] ? flush_kthread_worker+0xb0/0xb0
[353708.625171]  [<ffffffff816a7d60>] ? gs_change+0x13/0x13
[353708.625172] ---[ end trace 97000f5dfe4f62d8 ]---

This is a nfsv4 file server, with no other function but to serve files.

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in 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]

Status in “linux” package in Ubuntu:
  New

Bug description:
  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.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1050286/+subscriptions