[Bug 902877] [NEW] Kernel-nfsd oopses

Jarmo 902877 at bugs.launchpad.net
Sun Dec 11 19:06:04 UTC 2011 

Public bug reported:

Nfsd oopses when heavy nfs usage occurs for a long time. Can be
reproduced with some patience.


Dec 11 20:06:03 talli kernel: [ 5240.623903] *pdpt = 000000000238e001 *pde = 0000000000000000
Dec 11 20:06:03 talli kernel: [ 5240.626117] Modules linked in: bridge stp microcode nfsd exportfs nfs lockd fscache nfs_acl auth_rpcgss sunrpc tuner_simple tuner_types tuner msp3400 i915
bttv snd_intel8x0 snd_bt87x v4l2_common videodev snd_ac97_codec videobuf_dma_sg ac97_bus drm_kms_helper snd_pcm videobuf_core ir_lirc_codec lirc_dev snd_timer ir_sony_decoder ir_jvc_decode
r ir_rc6_decoder ir_rc5_decoder ir_nec_decoder btcx_risc ch341 r8169 pl2303 usbserial snd rc_core e1000 drm tveeprom soundcore snd_page_alloc raid456 async_raid6_recov async_pq i2c_algo_bi
t shpchp parport_pc video raid6_pq async_xor xor async_memcpy async_tx parport p4_clockmod raid1 multipath usb_storage
Dec 11 20:06:03 talli kernel: [ 5240.626117]
Dec 11 20:06:03 talli kernel: [ 5240.626117] Pid: 1942, comm: nfsd Not tainted 2.6.38-11-generic-pae #50~lucid1-Ubuntu FUJITSU SIEMENS SCENIC W/D1567
Dec 11 20:06:03 talli kernel: [ 5240.626117] EIP: 0060:[<f8ac6922>] EFLAGS: 00010202 CPU: 1
Dec 11 20:06:03 talli kernel: [ 5240.626117] EIP is at nfsd_cache_lookup+0xa2/0x3b0 [nfsd]
Dec 11 20:06:03 talli kernel: [ 5240.626117] EAX: e599b014 EBX: 54575857 ECX: f8abc2d0 EDX: f373ed00
Dec 11 20:06:03 talli kernel: [ 5240.626117] ESI: 54575857 EDI: 99331071 EBP: f4cc5f0c ESP: f4cc5ee0
Dec 11 20:06:03 talli kernel: [ 5240.626117]  DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
Dec 11 20:06:03 talli kernel: [ 5240.626117]  e599bd7c e599b000 e599b014 e599b000 00000002 00000006 99331071 0000000b
Dec 11 20:06:03 talli kernel: [ 5240.626117]  e599b000 f8ae646c f53f8018 f4cc5f34 f8abc305 020ba8c0 f5171cc4 e56adc00
Dec 11 20:06:03 talli kernel: [ 5240.626117]  e599b000 f8ae646c e599b0f0 e599b000 f8ae646c f4cc5f78 f8a93ef3 f8aa09dd
Dec 11 20:06:03 talli kernel: [ 5240.626117]  [<f8abc305>] nfsd_dispatch+0x35/0x210 [nfsd]
Dec 11 20:06:03 talli kernel: [ 5240.626117]  [<f8a93ef3>] svc_process_common+0x2e3/0x590 [sunrpc]
Dec 11 20:06:03 talli kernel: [ 5240.626117]  [<f8aa09dd>] ? svc_xprt_received+0x2d/0x40 [sunrpc]
Dec 11 20:06:03 talli kernel: [ 5240.626117]  [<f8aa0e7b>] ? svc_recv+0x48b/0x750 [sunrpc]
Dec 11 20:06:03 talli kernel: [ 5240.626117]  [<f8a9427c>] svc_process+0xdc/0x140 [sunrpc]
Dec 11 20:06:03 talli kernel: [ 5240.626117]  [<c152e290>] ? down_read+0x10/0x20
Dec 11 20:06:03 talli kernel: [ 5240.626117]  [<f8abca54>] nfsd+0xb4/0x140 [nfsd]
Dec 11 20:06:03 talli kernel: [ 5240.626117]  [<c10440ce>] ? complete+0x4e/0x60
Dec 11 20:06:03 talli kernel: [ 5240.626117]  [<f8abc9a0>] ? nfsd+0x0/0x140 [nfsd]
Dec 11 20:06:03 talli kernel: [ 5240.626117]  [<c1073aa4>] kthread+0x74/0x80
Dec 11 20:06:03 talli kernel: [ 5240.626117]  [<c1073a30>] ? kthread+0x0/0x80
Dec 11 20:06:03 talli kernel: [ 5240.626117]  [<c100af3e>] kernel_thread_helper+0x6/0x10
Dec 11 20:06:03 talli kernel: [ 5240.731256] ---[ end trace 6fa68d9492c13608 ]---

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: nfs-kernel-server 1:1.2.0-4ubuntu4.2
ProcVersionSignature: Ubuntu 2.6.38-11.50~lucid1-generic-pae 2.6.38.8
Uname: Linux 2.6.38-11-generic-pae i686
Architecture: i386
Date: Sun Dec 11 20:59:34 2011
InstallationMedia: Ubuntu-Server 10.04 LTS "Lucid Lynx" - Release i386 (20100427)
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: nfs-utils

** Affects: nfs-utils (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 lucid

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https://bugs.launchpad.net/bugs/902877

Title:
  Kernel-nfsd oopses

Status in “nfs-utils” package in Ubuntu:
  New

Bug description:
  Nfsd oopses when heavy nfs usage occurs for a long time. Can be
  reproduced with some patience.

  
  Dec 11 20:06:03 talli kernel: [ 5240.623903] *pdpt = 000000000238e001 *pde = 0000000000000000
  Dec 11 20:06:03 talli kernel: [ 5240.626117] Modules linked in: bridge stp microcode nfsd exportfs nfs lockd fscache nfs_acl auth_rpcgss sunrpc tuner_simple tuner_types tuner msp3400 i915
  bttv snd_intel8x0 snd_bt87x v4l2_common videodev snd_ac97_codec videobuf_dma_sg ac97_bus drm_kms_helper snd_pcm videobuf_core ir_lirc_codec lirc_dev snd_timer ir_sony_decoder ir_jvc_decode
  r ir_rc6_decoder ir_rc5_decoder ir_nec_decoder btcx_risc ch341 r8169 pl2303 usbserial snd rc_core e1000 drm tveeprom soundcore snd_page_alloc raid456 async_raid6_recov async_pq i2c_algo_bi
  t shpchp parport_pc video raid6_pq async_xor xor async_memcpy async_tx parport p4_clockmod raid1 multipath usb_storage
  Dec 11 20:06:03 talli kernel: [ 5240.626117]
  Dec 11 20:06:03 talli kernel: [ 5240.626117] Pid: 1942, comm: nfsd Not tainted 2.6.38-11-generic-pae #50~lucid1-Ubuntu FUJITSU SIEMENS SCENIC W/D1567
  Dec 11 20:06:03 talli kernel: [ 5240.626117] EIP: 0060:[<f8ac6922>] EFLAGS: 00010202 CPU: 1
  Dec 11 20:06:03 talli kernel: [ 5240.626117] EIP is at nfsd_cache_lookup+0xa2/0x3b0 [nfsd]
  Dec 11 20:06:03 talli kernel: [ 5240.626117] EAX: e599b014 EBX: 54575857 ECX: f8abc2d0 EDX: f373ed00
  Dec 11 20:06:03 talli kernel: [ 5240.626117] ESI: 54575857 EDI: 99331071 EBP: f4cc5f0c ESP: f4cc5ee0
  Dec 11 20:06:03 talli kernel: [ 5240.626117]  DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
  Dec 11 20:06:03 talli kernel: [ 5240.626117]  e599bd7c e599b000 e599b014 e599b000 00000002 00000006 99331071 0000000b
  Dec 11 20:06:03 talli kernel: [ 5240.626117]  e599b000 f8ae646c f53f8018 f4cc5f34 f8abc305 020ba8c0 f5171cc4 e56adc00
  Dec 11 20:06:03 talli kernel: [ 5240.626117]  e599b000 f8ae646c e599b0f0 e599b000 f8ae646c f4cc5f78 f8a93ef3 f8aa09dd
  Dec 11 20:06:03 talli kernel: [ 5240.626117]  [<f8abc305>] nfsd_dispatch+0x35/0x210 [nfsd]
  Dec 11 20:06:03 talli kernel: [ 5240.626117]  [<f8a93ef3>] svc_process_common+0x2e3/0x590 [sunrpc]
  Dec 11 20:06:03 talli kernel: [ 5240.626117]  [<f8aa09dd>] ? svc_xprt_received+0x2d/0x40 [sunrpc]
  Dec 11 20:06:03 talli kernel: [ 5240.626117]  [<f8aa0e7b>] ? svc_recv+0x48b/0x750 [sunrpc]
  Dec 11 20:06:03 talli kernel: [ 5240.626117]  [<f8a9427c>] svc_process+0xdc/0x140 [sunrpc]
  Dec 11 20:06:03 talli kernel: [ 5240.626117]  [<c152e290>] ? down_read+0x10/0x20
  Dec 11 20:06:03 talli kernel: [ 5240.626117]  [<f8abca54>] nfsd+0xb4/0x140 [nfsd]
  Dec 11 20:06:03 talli kernel: [ 5240.626117]  [<c10440ce>] ? complete+0x4e/0x60
  Dec 11 20:06:03 talli kernel: [ 5240.626117]  [<f8abc9a0>] ? nfsd+0x0/0x140 [nfsd]
  Dec 11 20:06:03 talli kernel: [ 5240.626117]  [<c1073aa4>] kthread+0x74/0x80
  Dec 11 20:06:03 talli kernel: [ 5240.626117]  [<c1073a30>] ? kthread+0x0/0x80
  Dec 11 20:06:03 talli kernel: [ 5240.626117]  [<c100af3e>] kernel_thread_helper+0x6/0x10
  Dec 11 20:06:03 talli kernel: [ 5240.731256] ---[ end trace 6fa68d9492c13608 ]---

  ProblemType: Bug
  DistroRelease: Ubuntu 10.04
  Package: nfs-kernel-server 1:1.2.0-4ubuntu4.2
  ProcVersionSignature: Ubuntu 2.6.38-11.50~lucid1-generic-pae 2.6.38.8
  Uname: Linux 2.6.38-11-generic-pae i686
  Architecture: i386
  Date: Sun Dec 11 20:59:34 2011
  InstallationMedia: Ubuntu-Server 10.04 LTS "Lucid Lynx" - Release i386 (20100427)
  ProcEnviron:
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: nfs-utils

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