* Trond Myklebust (Trond.Myklebust@xxxxxxxxxx) wrote: > Do you have an example of the stateid argument's value? Does it change > at all between separate WRITE attempts? Further to all this, i've just had a similar fault on another machine, producing a huge amounts of: [463795.630702] nfs4_reclaim_open_state: Lock reclaim failed! [463795.637446] nfs4_reclaim_open_state: Lock reclaim failed! [463795.643113] nfs4_reclaim_open_state: Lock reclaim failed! A network capture is available: ftp://ftp.kw.bbc.co.uk/davidf/priv/uekahrae.pcap $ echo 0 | sudo tee /proc/sys/sunrpc/rpc_debug [468024.010036] -pid- flgs status -client- --rqstp- -timeout ---ops-- [468024.010051] 6289 0801 0 ffff8801f3e37e00 (null) 0 ffffffffa0229d40 nfsv4 WRITE a:call_start q:NFS client [468024.010057] 6290 0801 0 ffff8801f3e37e00 (null) 0 ffffffffa0229d40 nfsv4 WRITE a:call_start q:NFS client blocked task: [464304.799306] INFO: task rrdtool:28506 blocked for more than 120 seconds. [464304.799309] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [464304.799311] rrdtool D 0000000000000001 0 28506 4189 0x00000000 [464304.799315] ffff880073bd5ca8 0000000000000082 ffff8804232c5408 0000000000012a40 [464304.799318] ffff880073bd5fd8 0000000000012a40 ffff880073bd4000 0000000000012a40 [464304.799320] 0000000000012a40 0000000000012a40 ffff880073bd5fd8 0000000000012a40 [464304.799322] Call Trace: [464304.799332] [<ffffffff81110030>] ? __lock_page+0x70/0x70 [464304.799335] [<ffffffff8160007c>] io_schedule+0x8c/0xd0 [464304.799337] [<ffffffff8111003e>] sleep_on_page+0xe/0x20 [464304.799339] [<ffffffff816008ff>] __wait_on_bit+0x5f/0x90 [464304.799341] [<ffffffff81110203>] wait_on_page_bit+0x73/0x80 [464304.799345] [<ffffffff81085bf0>] ? autoremove_wake_function+0x40/0x40 [464304.799347] [<ffffffff8111c5e5>] ? pagevec_lookup_tag+0x25/0x40 [464304.799349] [<ffffffff81110436>] filemap_fdatawait_range+0xf6/0x1a0 [464304.799363] [<ffffffffa02037d0>] ? nfs_destroy_directcache+0x20/0x20 [nfs] [464304.799365] [<ffffffff8111bae1>] ? do_writepages+0x21/0x40 [464304.799367] [<ffffffff811116bb>] ? __filemap_fdatawrite_range+0x5b/0x60 [464304.799368] [<ffffffff81111730>] filemap_write_and_wait_range+0x70/0x80 [464304.799371] [<ffffffff8119cc6a>] vfs_fsync_range+0x5a/0x90 [464304.799373] [<ffffffff8119cd0c>] vfs_fsync+0x1c/0x20 [464304.799377] [<ffffffffa01f7c74>] nfs_file_flush+0x54/0x80 [nfs] [464304.799380] [<ffffffff8116ee7f>] filp_close+0x3f/0x90 [464304.799382] [<ffffffff8116f8a7>] sys_close+0xb7/0x120 [464304.799384] [<ffffffff8160a702>] system_call_fastpath+0x16/0x1b Regards, ..david -- 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
