it seems that I have the same problem with my lucid machines System: ubuntu lucid (10.04) service NFSv4 The client hangs, the load is going very high, the machine needs a reboot
client kern.log: Nov 26 13:32:36 frankie kernel: [46080.421384] INFO: task indicator-apple:21017 blocked for more than 120 seconds. Nov 26 13:32:36 frankie kernel: [46080.421393] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Nov 26 13:32:36 frankie kernel: [46080.421399] indicator-app D 0000000000000001 0 21017 1 0x00000008 Nov 26 13:32:36 frankie kernel: [46080.421409] ffff88007ce858e8 0000000000000086 0000000000015bc0 0000000000015bc0 Nov 26 13:32:36 frankie kernel: [46080.421418] ffff88008bb21a98 ffff88007ce85fd8 0000000000015bc0 ffff88008bb216e0 Nov 26 13:32:36 frankie kernel: [46080.421458] 0000000000015bc0 ffff88007ce85fd8 0000000000015bc0 ffff88008bb21a98 Nov 26 13:32:36 frankie kernel: [46080.421467] Call Trace: Nov 26 13:32:36 frankie kernel: [46080.421519] [<ffffffffa0e804c0>] ? nfs_wait_bit_uninterruptible+0x0/0x20 [nfs] Nov 26 13:32:36 frankie kernel: [46080.421533] [<ffffffff81541bc7>] io_schedule+0x47/0x70 Nov 26 13:32:36 frankie kernel: [46080.421557] [<ffffffffa0e804ce>] nfs_wait_bit_uninterruptible+0xe/0x20 [nfs] Nov 26 13:32:36 frankie kernel: [46080.421565] [<ffffffff8154242f>] __wait_on_bit+0x5f/0x90 Nov 26 13:32:36 frankie kernel: [46080.421592] [<ffffffffa0e804c0>] ? nfs_wait_bit_uninterruptible+0x0/0x20 [nfs] Nov 26 13:32:36 frankie kernel: [46080.421600] [<ffffffff815424d8>] out_of_line_wait_on_bit+0x78/0x90 Nov 26 13:32:36 frankie kernel: [46080.421610] [<ffffffff810845b0>] ? wake_bit_function+0x0/0x40 Nov 26 13:32:36 frankie kernel: [46080.421633] [<ffffffffa0e804af>] nfs_wait_on_request+0x2f/0x40 [nfs] Nov 26 13:32:36 frankie kernel: [46080.421657] [<ffffffffa0e86226>] nfs_try_to_update_request+0xb6/0x160 [nfs] Nov 26 13:32:36 frankie kernel: [46080.421680] [<ffffffffa0e8630d>] nfs_writepage_setup+0x3d/0x1e0 [nfs] Nov 26 13:32:36 frankie kernel: [46080.421704] [<ffffffffa0e86544>] nfs_updatepage+0x94/0x1a0 [nfs] Nov 26 13:32:36 frankie kernel: [46080.421726] [<ffffffffa0e804f9>] ? nfs_release_request+0x19/0x20 [nfs] Nov 26 13:32:36 frankie kernel: [46080.421751] [<ffffffffa0e75eaa>] nfs_write_end+0x5a/0x2c0 [nfs] Nov 26 13:32:36 frankie kernel: [46080.421760] [<ffffffff810f3262>] ? iov_iter_copy_from_user_atomic+0x92/0x130 Nov 26 13:32:36 frankie kernel: [46080.421768] [<ffffffff810f3422>] generic_perform_write+0x122/0x1d0 Nov 26 13:32:36 frankie kernel: [46080.421777] [<ffffffff81061f98>] ? check_preempt_wakeup+0x2b8/0x3c0 Nov 26 13:32:36 frankie kernel: [46080.421786] [<ffffffff810f4553>] generic_file_buffered_write+0x73/0xd0 Nov 26 13:32:36 frankie kernel: [46080.421796] [<ffffffff810583a1>] ? balance_tasks+0x111/0x160 Nov 26 13:32:36 frankie kernel: [46080.421804] [<ffffffff810f5b00>] __generic_file_aio_write+0x240/0x470 Nov 26 13:32:36 frankie kernel: [46080.421811] [<ffffffff810584ed>] ? load_balance_fair+0xfd/0x140 Nov 26 13:32:36 frankie kernel: [46080.421819] [<ffffffff8105fb60>] ? load_balance_start_fair+0x0/0x80 Nov 26 13:32:36 frankie kernel: [46080.421826] [<ffffffff810f5d9f>] generic_file_aio_write+0x6f/0xe0 Nov 26 13:32:36 frankie kernel: [46080.421834] [<ffffffff812b8906>] ? rb_erase+0xd6/0x160 Nov 26 13:32:36 frankie kernel: [46080.421842] [<ffffffff81052890>] ? __dequeue_entity+0x30/0x50 Nov 26 13:32:36 frankie kernel: [46080.421862] [<ffffffffa0e75a0a>] nfs_file_write+0xda/0x1e0 [nfs] Nov 26 13:32:36 frankie kernel: [46080.421874] [<ffffffff81062198>] ? pick_next_task_fair+0xf8/0x140 Nov 26 13:32:36 frankie kernel: [46080.421885] [<ffffffff81142f7a>] do_sync_write+0xfa/0x140 Nov 26 13:32:36 frankie kernel: [46080.421892] [<ffffffff81084570>] ? autoremove_wake_function+0x0/0x40 Nov 26 13:32:36 frankie kernel: [46080.421900] [<ffffffff8154800c>] ? kprobe_flush_task+0xbc/0xe0 Nov 26 13:32:36 frankie kernel: [46080.421911] [<ffffffff81252446>] ? security_file_permission+0x16/0x20 Nov 26 13:32:36 frankie kernel: [46080.421918] [<ffffffff81143278>] vfs_write+0xb8/0x1a0 Nov 26 13:32:36 frankie kernel: [46080.421926] [<ffffffff81143b11>] sys_write+0x51/0x80 Nov 26 13:32:36 frankie kernel: [46080.421936] [<ffffffff810121b2>] system_call_fastpath+0x16/0x1b Nov 26 13:34:36 frankie kernel: [46200.421362] INFO: task indicator-apple:21017 blocked for more than 120 seconds. Nov 26 13:34:36 frankie kernel: [46200.421371] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Nov 26 13:34:36 frankie kernel: [46200.421377] indicator-app D 0000000000000001 0 21017 1 0x00000008 Nov 26 13:34:36 frankie kernel: [46200.421388] ffff88007ce858e8 0000000000000086 0000000000015bc0 0000000000015bc0 Nov 26 13:34:36 frankie kernel: [46200.421397] ffff88008bb21a98 ffff88007ce85fd8 0000000000015bc0 ffff88008bb216e0 Nov 26 13:34:36 frankie kernel: [46200.421405] 0000000000015bc0 ffff88007ce85fd8 0000000000015bc0 ffff88008bb21a98 Nov 26 13:34:36 frankie kernel: [46200.421413] Call Trace: Nov 26 13:34:36 frankie kernel: [46200.421512] [<ffffffffa0e804c0>] ? nfs_wait_bit_uninterruptible+0x0/0x20 [nfs] Nov 26 13:34:36 frankie kernel: [46200.421526] [<ffffffff81541bc7>] io_schedule+0x47/0x70 Nov 26 13:34:36 frankie kernel: [46200.421550] [<ffffffffa0e804ce>] nfs_wait_bit_uninterruptible+0xe/0x20 [nfs] Nov 26 13:34:36 frankie kernel: [46200.421558] [<ffffffff8154242f>] __wait_on_bit+0x5f/0x90 Nov 26 13:34:36 frankie kernel: [46200.421586] [<ffffffffa0e804c0>] ? nfs_wait_bit_uninterruptible+0x0/0x20 [nfs] Nov 26 13:34:36 frankie kernel: [46200.421595] [<ffffffff815424d8>] out_of_line_wait_on_bit+0x78/0x90 Nov 26 13:34:36 frankie kernel: [46200.421604] [<ffffffff810845b0>] ? wake_bit_function+0x0/0x40 Nov 26 13:34:36 frankie kernel: [46200.421627] [<ffffffffa0e804af>] nfs_wait_on_request+0x2f/0x40 [nfs] Nov 26 13:34:36 frankie kernel: [46200.421651] [<ffffffffa0e86226>] nfs_try_to_update_request+0xb6/0x160 [nfs] Nov 26 13:34:36 frankie kernel: [46200.421676] [<ffffffffa0e8630d>] nfs_writepage_setup+0x3d/0x1e0 [nfs] Nov 26 13:34:36 frankie kernel: [46200.421699] [<ffffffffa0e86544>] nfs_updatepage+0x94/0x1a0 [nfs] Nov 26 13:34:36 frankie kernel: [46200.421723] [<ffffffffa0e804f9>] ? nfs_release_request+0x19/0x20 [nfs] Nov 26 13:34:36 frankie kernel: [46200.421744] [<ffffffffa0e75eaa>] nfs_write_end+0x5a/0x2c0 [nfs] Nov 26 13:34:36 frankie kernel: [46200.421754] [<ffffffff810f3262>] ? iov_iter_copy_from_user_atomic+0x92/0x130 Nov 26 13:34:36 frankie kernel: [46200.421761] [<ffffffff810f3422>] generic_perform_write+0x122/0x1d0 Nov 26 13:34:36 frankie kernel: [46200.421769] [<ffffffff81061f98>] ? check_preempt_wakeup+0x2b8/0x3c0 Nov 26 13:34:36 frankie kernel: [46200.421779] [<ffffffff810f4553>] generic_file_buffered_write+0x73/0xd0 Nov 26 13:34:36 frankie kernel: [46200.421788] [<ffffffff810583a1>] ? balance_tasks+0x111/0x160 Nov 26 13:34:36 frankie kernel: [46200.421797] [<ffffffff810f5b00>] __generic_file_aio_write+0x240/0x470 Nov 26 13:34:36 frankie kernel: [46200.421805] [<ffffffff810584ed>] ? load_balance_fair+0xfd/0x140 Nov 26 13:34:36 frankie kernel: [46200.421812] [<ffffffff8105fb60>] ? load_balance_start_fair+0x0/0x80 Nov 26 13:34:36 frankie kernel: [46200.421819] [<ffffffff810f5d9f>] generic_file_aio_write+0x6f/0xe0 Nov 26 13:34:36 frankie kernel: [46200.421827] [<ffffffff812b8906>] ? rb_erase+0xd6/0x160 Nov 26 13:34:36 frankie kernel: [46200.421835] [<ffffffff81052890>] ? __dequeue_entity+0x30/0x50 Nov 26 13:34:36 frankie kernel: [46200.421854] [<ffffffffa0e75a0a>] nfs_file_write+0xda/0x1e0 [nfs] Nov 26 13:34:36 frankie kernel: [46200.421864] [<ffffffff81062198>] ? pick_next_task_fair+0xf8/0x140 Nov 26 13:34:36 frankie kernel: [46200.421874] [<ffffffff81142f7a>] do_sync_write+0xfa/0x140 Nov 26 13:34:36 frankie kernel: [46200.421881] [<ffffffff81084570>] ? autoremove_wake_function+0x0/0x40 Nov 26 13:34:36 frankie kernel: [46200.421890] [<ffffffff8154800c>] ? kprobe_flush_task+0xbc/0xe0 Nov 26 13:34:36 frankie kernel: [46200.421901] [<ffffffff81252446>] ? security_file_permission+0x16/0x20 Nov 26 13:34:36 frankie kernel: [46200.421909] [<ffffffff81143278>] vfs_write+0xb8/0x1a0 Nov 26 13:34:36 frankie kernel: [46200.421916] [<ffffffff81143b11>] sys_write+0x51/0x80 Nov 26 13:34:36 frankie kernel: [46200.421926] [<ffffffff810121b2>] system_call_fastpath+0x16/0x1b ... or Nov 25 04:05:36 nostromo kernel: [582361.882593] INFO: task firefox-bin:30446 blocked for more than 120 seconds. Nov 25 04:05:36 nostromo kernel: [582361.882597] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Nov 25 04:05:36 nostromo kernel: [582361.882600] firefox-bin D 0000000000000000 0 30446 30442 0x00000000 Nov 25 04:05:36 nostromo kernel: [582361.882606] ffff88019ed1f8e8 0000000000000082 0000000000015bc0 0000000000015bc0 Nov 25 04:05:36 nostromo kernel: [582361.882611] ffff88022fd05f80 ffff88019ed1ffd8 0000000000015bc0 ffff88022fd05bc0 Nov 25 04:05:36 nostromo kernel: [582361.882615] 0000000000015bc0 ffff88019ed1ffd8 0000000000015bc0 ffff88022fd05f80 Nov 25 04:05:36 nostromo kernel: [582361.882619] Call Trace: Nov 25 04:05:36 nostromo kernel: [582361.882643] [<ffffffffa0204440>] ? nfs_wait_bit_uninterruptible+0x0/0x20 [nfs] Nov 25 04:05:36 nostromo kernel: [582361.882650] [<ffffffff815415e7>] io_schedule+0x47/0x70 Nov 25 04:05:36 nostromo kernel: [582361.882661] [<ffffffffa020444e>] nfs_wait_bit_uninterruptible+0xe/0x20 [nfs] Nov 25 04:05:36 nostromo kernel: [582361.882665] [<ffffffff81541e4f>] __wait_on_bit+0x5f/0x90 Nov 25 04:05:36 nostromo kernel: [582361.882676] [<ffffffffa0204440>] ? nfs_wait_bit_uninterruptible+0x0/0x20 [nfs] Nov 25 04:05:36 nostromo kernel: [582361.882680] [<ffffffff81541ef8>] out_of_line_wait_on_bit+0x78/0x90 Nov 25 04:05:36 nostromo kernel: [582361.882685] [<ffffffff810845c0>] ? wake_bit_function+0x0/0x40 Nov 25 04:05:36 nostromo kernel: [582361.882690] [<ffffffff8108893f>] ? hrtimer_try_to_cancel+0x3f/0xd0 Nov 25 04:05:36 nostromo kernel: [582361.882700] [<ffffffffa020442f>] nfs_wait_on_request+0x2f/0x40 [nfs] Nov 25 04:05:36 nostromo kernel: [582361.882712] [<ffffffffa020a1a6>] nfs_try_to_update_request+0xb6/0x160 [nfs] Nov 25 04:05:36 nostromo kernel: [582361.882717] [<ffffffff8104b8d4>] ? scale_rt_power+0x24/0x70 Nov 25 04:05:36 nostromo kernel: [582361.882721] [<ffffffff81051af0>] ? update_cpu_power+0x80/0xf0 Nov 25 04:05:36 nostromo kernel: [582361.882733] [<ffffffffa020a28d>] nfs_writepage_setup+0x3d/0x1e0 [nfs] Nov 25 04:05:36 nostromo kernel: [582361.882744] [<ffffffffa020a4c4>] nfs_updatepage+0x94/0x1a0 [nfs] Nov 25 04:05:36 nostromo kernel: [582361.882754] [<ffffffffa0204479>] ? nfs_release_request+0x19/0x20 [nfs] Nov 25 04:05:36 nostromo kernel: [582361.882764] [<ffffffffa01f9e2a>] nfs_write_end+0x5a/0x2c0 [nfs] Nov 25 04:05:36 nostromo kernel: [582361.882768] [<ffffffff810f3242>] ? iov_iter_copy_from_user_atomic+0x92/0x130 Nov 25 04:05:36 nostromo kernel: [582361.882772] [<ffffffff810f3402>] generic_perform_write+0x122/0x1d0 Nov 25 04:05:36 nostromo kernel: [582361.882776] [<ffffffff810f4533>] generic_file_buffered_write+0x73/0xd0 Nov 25 04:05:36 nostromo kernel: [582361.882780] [<ffffffff810f5ae0>] __generic_file_aio_write+0x240/0x470 Nov 25 04:05:36 nostromo kernel: [582361.882784] [<ffffffff81052ce8>] ? enqueue_sleeper+0x158/0x220 Nov 25 04:05:36 nostromo kernel: [582361.882787] [<ffffffff8105da22>] ? enqueue_entity+0x122/0x1a0 Nov 25 04:05:36 nostromo kernel: [582361.882791] [<ffffffff810f5d7f>] generic_file_aio_write+0x6f/0xe0 Nov 25 04:05:36 nostromo kernel: [582361.882800] [<ffffffffa01f998a>] nfs_file_write+0xda/0x1e0 [nfs] Nov 25 04:05:36 nostromo kernel: [582361.882805] [<ffffffff81142daa>] do_sync_write+0xfa/0x140 Nov 25 04:05:36 nostromo kernel: [582361.882809] [<ffffffff81084580>] ? autoremove_wake_function+0x0/0x40 Nov 25 04:05:36 nostromo kernel: [582361.882814] [<ffffffff81252256>] ? security_file_permission+0x16/0x20 Nov 25 04:05:36 nostromo kernel: [582361.882818] [<ffffffff811430a8>] vfs_write+0xb8/0x1a0 Nov 25 04:05:36 nostromo kernel: [582361.882821] [<ffffffff81143941>] sys_write+0x51/0x80 Nov 25 04:05:36 nostromo kernel: [582361.882826] [<ffffffff810121b2>] system_call_fastpath+0x16/0x1b Nov 25 04:07:36 nostromo kernel: [582481.882591] INFO: task firefox-bin:30446 blocked for more than 120 seconds. Nov 25 04:07:36 nostromo kernel: [582481.882595] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Nov 25 04:07:36 nostromo kernel: [582481.882598] firefox-bin D 0000000000000000 0 30446 30442 0x00000000 Nov 25 04:07:36 nostromo kernel: [582481.882603] ffff88019ed1f8e8 0000000000000082 0000000000015bc0 0000000000015bc0 Nov 25 04:07:36 nostromo kernel: [582481.882608] ffff88022fd05f80 ffff88019ed1ffd8 0000000000015bc0 ffff88022fd05bc0 Nov 25 04:07:36 nostromo kernel: [582481.882612] 0000000000015bc0 ffff88019ed1ffd8 0000000000015bc0 ffff88022fd05f80 Nov 25 04:07:36 nostromo kernel: [582481.882617] Call Trace: Nov 25 04:07:36 nostromo kernel: [582481.882642] [<ffffffffa0204440>] ? nfs_wait_bit_uninterruptible+0x0/0x20 [nfs] Nov 25 04:07:36 nostromo kernel: [582481.882649] [<ffffffff815415e7>] io_schedule+0x47/0x70 Nov 25 04:07:36 nostromo kernel: [582481.882659] [<ffffffffa020444e>] nfs_wait_bit_uninterruptible+0xe/0x20 [nfs] Nov 25 04:07:36 nostromo kernel: [582481.882664] [<ffffffff81541e4f>] __wait_on_bit+0x5f/0x90 Nov 25 04:07:36 nostromo kernel: [582481.882674] [<ffffffffa0204440>] ? nfs_wait_bit_uninterruptible+0x0/0x20 [nfs] Nov 25 04:07:36 nostromo kernel: [582481.882678] [<ffffffff81541ef8>] out_of_line_wait_on_bit+0x78/0x90 Nov 25 04:07:36 nostromo kernel: [582481.882684] [<ffffffff810845c0>] ? wake_bit_function+0x0/0x40 Nov 25 04:07:36 nostromo kernel: [582481.882688] [<ffffffff8108893f>] ? hrtimer_try_to_cancel+0x3f/0xd0 Nov 25 04:07:36 nostromo kernel: [582481.882699] [<ffffffffa020442f>] nfs_wait_on_request+0x2f/0x40 [nfs] Nov 25 04:07:36 nostromo kernel: [582481.882711] [<ffffffffa020a1a6>] nfs_try_to_update_request+0xb6/0x160 [nfs] Nov 25 04:07:36 nostromo kernel: [582481.882716] [<ffffffff8104b8d4>] ? scale_rt_power+0x24/0x70 Nov 25 04:07:36 nostromo kernel: [582481.882720] [<ffffffff81051af0>] ? update_cpu_power+0x80/0xf0 Nov 25 04:07:36 nostromo kernel: [582481.882731] [<ffffffffa020a28d>] nfs_writepage_setup+0x3d/0x1e0 [nfs] Nov 25 04:07:36 nostromo kernel: [582481.882743] [<ffffffffa020a4c4>] nfs_updatepage+0x94/0x1a0 [nfs] Nov 25 04:07:36 nostromo kernel: [582481.882753] [<ffffffffa0204479>] ? nfs_release_request+0x19/0x20 [nfs] Nov 25 04:07:36 nostromo kernel: [582481.882762] [<ffffffffa01f9e2a>] nfs_write_end+0x5a/0x2c0 [nfs] Nov 25 04:07:36 nostromo kernel: [582481.882767] [<ffffffff810f3242>] ? iov_iter_copy_from_user_atomic+0x92/0x130 Nov 25 04:07:36 nostromo kernel: [582481.882771] [<ffffffff810f3402>] generic_perform_write+0x122/0x1d0 Nov 25 04:07:36 nostromo kernel: [582481.882775] [<ffffffff810f4533>] generic_file_buffered_write+0x73/0xd0 Nov 25 04:07:36 nostromo kernel: [582481.882779] [<ffffffff810f5ae0>] __generic_file_aio_write+0x240/0x470 Nov 25 04:07:36 nostromo kernel: [582481.882782] [<ffffffff81052ce8>] ? enqueue_sleeper+0x158/0x220 Nov 25 04:07:36 nostromo kernel: [582481.882786] [<ffffffff8105da22>] ? enqueue_entity+0x122/0x1a0 Nov 25 04:07:36 nostromo kernel: [582481.882789] [<ffffffff810f5d7f>] generic_file_aio_write+0x6f/0xe0 Nov 25 04:07:36 nostromo kernel: [582481.882799] [<ffffffffa01f998a>] nfs_file_write+0xda/0x1e0 [nfs] Nov 25 04:07:36 nostromo kernel: [582481.882803] [<ffffffff81142daa>] do_sync_write+0xfa/0x140 Nov 25 04:07:36 nostromo kernel: [582481.882807] [<ffffffff81084580>] ? autoremove_wake_function+0x0/0x40 Nov 25 04:07:36 nostromo kernel: [582481.882813] [<ffffffff81252256>] ? security_file_permission+0x16/0x20 Nov 25 04:07:36 nostromo kernel: [582481.882816] [<ffffffff811430a8>] vfs_write+0xb8/0x1a0 Nov 25 04:07:36 nostromo kernel: [582481.882820] [<ffffffff81143941>] sys_write+0x51/0x80 Nov 25 04:07:36 nostromo kernel: [582481.882825] [<ffffffff810121b2>] system_call_fastpath+0x16/0x1b -- Overload the server ... __mutex_lock_slowpath https://bugs.launchpad.net/bugs/658131 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs