On Tue, 29 May 2012 00:19:34 +0200 Hans de Bruin <jmdebruin@xxxxxxxxx> wrote: > I just upgraded my home server from kernel 3.3.5 to 3.4.0 and ran into > some trouble. My laptop, a nfsroot client, will not run firefox and > thunderbird anymore. When I start these programs from an xterm, the > cursor goes to the next line and waits indefinitely. > > I do not know if there is any order is lsof's output. A lsof | grep > firefox or thunderbird shows ......./.parentlock as the last line. > > It does not matter whether the client is running a 3.4.0 or a 3.3.0 > kernel, or if the server is running on top of xen or not. > > There is some noise in the servers dmesg: > > [ 241.256684] INFO: task kworker/u:2:801 blocked for more than 120 seconds. > [ 241.256691] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" > disables this message. > [ 241.256698] kworker/u:2 D 000000000000000c 0 801 2 > 0x00000000 > [ 241.256710] ffff8801390e5cf0 0000000000000046 0000000000012d00 > 0000000000012d00 > [ 241.256721] 0000000000012d00 ffff880139f8bd50 0000000000012d00 > ffff8801390e5fd8 > [ 241.256732] ffff8801390e5fd8 0000000000012d00 ffff880139ce4420 > ffff880139f8bd50 > [ 241.256743] Call Trace: > [ 241.256759] [<ffffffff8158733e>] schedule+0x64/0x66 > [ 241.256769] [<ffffffff8120184e>] cld_pipe_upcall+0x95/0xd1 > [ 241.256780] [<ffffffff811fbd8d>] ? nfsd4_exchange_id+0x23e/0x23e > [ 241.256789] [<ffffffff81201d06>] nfsd4_cld_grace_done+0x50/0x8a > [ 241.256798] [<ffffffff81202233>] nfsd4_record_grace_done+0x18/0x1a > [ 241.256807] [<ffffffff811fbdd7>] laundromat_main+0x4a/0x213 > [ 241.256818] [<ffffffff8106a06b>] ? need_resched+0x1e/0x28 > [ 241.256826] [<ffffffff8158725d>] ? __schedule+0x49d/0x4b5 > [ 241.256835] [<ffffffff811fbd8d>] ? nfsd4_exchange_id+0x23e/0x23e > [ 241.256844] [<ffffffff8105be2d>] process_one_work+0x190/0x28d > [ 241.256854] [<ffffffff8105ca67>] worker_thread+0x105/0x189 > [ 241.256862] [<ffffffff81587b8d>] ? _raw_spin_unlock_irqrestore+0x1a/0x1d > [ 241.256872] [<ffffffff8105c962>] ? manage_workers.clone.17+0x173/0x173 > [ 241.256881] [<ffffffff810604b0>] kthread+0x8a/0x92 > [ 241.256891] [<ffffffff815899a4>] kernel_thread_helper+0x4/0x10 > [ 241.256900] [<ffffffff81060426>] ? > kthread_freezable_should_stop+0x47/0x47 > [ 241.256909] [<ffffffff815899a0>] ? gs_change+0x13/0x13 > > or xenified: > > > [ 240.563448] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" > disables this message. > [ 240.563458] kworker/u:2 D ffff88007fc12d00 0 808 2 > 0x00000000 > [ 240.563479] ffff88007532fcf0 0000000000000246 0000000000012d00 > 0000000000012d00 > [ 240.563504] 0000000000012d00 ffff880075f7caf0 0000000000012d00 > ffff88007532ffd8 > [ 240.563530] ffff88007532ffd8 0000000000012d00 ffffffff81813020 > ffff880075f7caf0 > [ 240.563555] Call Trace: > [ 240.563578] [<ffffffff8158733e>] schedule+0x64/0x66 > [ 240.563594] [<ffffffff8120184e>] cld_pipe_upcall+0x95/0xd1 > [ 240.563611] [<ffffffff811fbd8d>] ? nfsd4_exchange_id+0x23e/0x23e > [ 240.563625] [<ffffffff81201d06>] nfsd4_cld_grace_done+0x50/0x8a > [ 240.563640] [<ffffffff81202233>] nfsd4_record_grace_done+0x18/0x1a > [ 240.563654] [<ffffffff811fbdd7>] laundromat_main+0x4a/0x213 > [ 240.563670] [<ffffffff8100d085>] ? xen_spin_unlock+0x12/0x30 > [ 240.563685] [<ffffffff811fbd8d>] ? nfsd4_exchange_id+0x23e/0x23e > [ 240.563700] [<ffffffff8105be2d>] process_one_work+0x190/0x28d > [ 240.563714] [<ffffffff8100d337>] ? xen_spin_lock+0xb/0xd > [ 240.563729] [<ffffffff8105ca67>] worker_thread+0x105/0x189 > [ 240.563743] [<ffffffff81587b8d>] ? _raw_spin_unlock_irqrestore+0x1a/0x1d > [ 240.563758] [<ffffffff8105c962>] ? manage_workers.clone.17+0x173/0x173 > [ 240.563772] [<ffffffff810604b0>] kthread+0x8a/0x92 > [ 240.563787] [<ffffffff815899a4>] kernel_thread_helper+0x4/0x10 > [ 240.563802] [<ffffffff81587f38>] ? retint_restore_args+0x5/0x6 > [ 240.563816] [<ffffffff815899a0>] ? gs_change+0x13/0x13 > > It sounds like you're not running the new nfsdcld daemon on the server, and /var/lib/nfs/v4recovery does not exist. Is that correct? -- Jeff Layton <jlayton@xxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
