Are there any news about this issue?. After upgrading from ubuntu 10.04 to ubuntu 12.04 precise, we are getting the same errors like it is described in this bug-report. We have an solaris nfs server and serveral Ubuntu box's as nfsv4 client. This worked fine with 10.04, with 12.04 we are getting these errors:
[ 308.555535] NFS: nfs4_reclaim_open_state: Lock reclaim failed! [ 309.139900] nfs4_reclaim_open_state: unhandled error -10026. Zeroing state [ 309.140185] nfs4_reclaim_open_state: unhandled error -10026. Zeroing state [ 309.882763] NFS: v4 server returned a bad sequence-id error on an unconfirmed sequence ec5be010! [ 311.029716] BUG: unable to handle kernel NULL pointer dereference at 000000a4 [ 311.029800] IP: [<xxxxxxxx>] nfs4_alloc_lockdata+0x1c/0x1c0 [nfs] [ 311.029882] *pdpt = 000000002ce7f001 *pde = 0000000000000000 [ 311.029951] Oops: 0000 [#1] SMP [ 311.029980] Modules linked in: autofs4 rfcomm bnep bluetooth parport_pc ppdev binfmt_misc nfsd nfs lockd fscache auth_rpcgss nfs_acl sunrpc joydev snd_hda_codec_realtek snd_hda_intel snd_hda_codec radeon snd_hwdep snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event psmouse snd_seq snd_timer serio_raw snd_seq_device ttm hid_logitech_dj drm_kms_helper drm snd soundcore snd_page_alloc i2c_algo_bit mac_hid mei(C) lp parport usbhid hid e1000e [ 311.030353] [ 311.030367] Pid: 3312, comm: xxx.yyy.zzz.ff- Tainted: G C 3.2.0-24-generic-pae #37-Ubuntu [ 311.030475] EIP: 0060:[<f88c0b6c>] EFLAGS: 00010282 CPU: 1 [ 311.030525] EIP is at nfs4_alloc_lockdata+0x1c/0x1c0 [nfs] [ 311.030563] EAX: 00000088 EBX: f39b69a0 ECX: ec5be700 EDX: 00000050 [ 311.030611] ESI: ec5be700 EDI: 00000006 EBP: ec75be88 ESP: ec75be70 [ 311.030658] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 311.030700] Process xxx.yyy.zzz.ff- (pid: 3312, ti=ec75a000 task=ec45d860 task.ti=ec75a000) [ 311.030761] Stack: [ 311.030781] ec692e80 f39b69a0 ed839480 f39b69a0 00000002 00000006 ec75bed4 f88c0daa [ 311.030853] 00000050 f7402580 ec75bec8 00000000 f39b1b00 ec75beb8 f88d2898 00000000 [ 311.030930] edab8f60 00000001 f88dbeb8 00000000 00000000 ed839480 ee192c80 f39b69a0 [ 311.031009] Call Trace: [ 311.031041] [<f88c0daa>] _nfs4_do_setlk.isra.37+0x9a/0x1f0 [nfs] [ 311.031096] [<f88c12ba>] nfs4_lock_expired+0x6a/0xb0 [nfs] [ 311.031148] [<f88c9ab6>] nfs4_reclaim_locks.isra.17+0x86/0x140 [nfs] [ 311.031200] [<f88a82af>] ? put_nfs_open_context+0xf/0x20 [nfs] [ 311.031253] [<f88ca85a>] nfs4_reclaim_open_state+0x8a/0x280 [nfs] [ 311.031308] [<f88cab10>] nfs4_do_reclaim+0xc0/0x100 [nfs] [ 311.031367] [<f88cad00>] nfs4_state_manager+0x1b0/0x2a0 [nfs] [ 311.031417] [<c106b817>] ? recalc_sigpending+0x17/0x40 [ 311.031470] [<f88cadf0>] ? nfs4_state_manager+0x2a0/0x2a0 [nfs] [ 311.031530] [<f88cae0c>] nfs4_run_state_manager+0x1c/0x30 [nfs] [ 311.031573] [<c107956d>] kthread+0x6d/0x80 [ 311.031609] [<c1079500>] ? flush_kthread_worker+0x80/0x80 [ 311.031655] [<c15af6be>] kernel_thread_helper+0x6/0x10 [ 311.031693] Code: c7 04 24 e6 4f 8d f8 e8 b8 1b cd c8 eb a8 90 55 89 e5 57 56 53 83 ec 0c 3e 8d 74 26 00 89 45 ec 8b 41 08 89 ce 89 55 e8 8b 55 08 <8b> 78 1c 80 ce 80 f6 c2 01 8b 47 1c 8b 80 d0 01 00 00 89 45 f0 [ 311.031990] EIP: [<f88c0b6c>] nfs4_alloc_lockdata+0x1c/0x1c0 [nfs] SS:ESP 0068:ec75be70 [ 311.032061] CR2: 00000000000000a4 [ 311.044208] ---[ end trace ff67295de72dfb75 ]--- -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/932687 Title: nfs4_reclaim_locks: unhandled error crashes applications and creates high load To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/932687/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
