I'm having the same problem with suspend and tasks not freezing. The processes
have been gvfsd-trash, mount.nfs, and landscape-sysinfo on different occasions,
and all have NFS-related functions in the call stack.
Here's output from dmesg on two different occasions, the first with mount.nfs
not freezing, the second with gvfsd-trash and landscape-sysinfo not freezing.
This is on Intrepid.
[ 759.921827] mount.nfs D 6f000002 0 8215 8212
[ 759.921830] eb135c3c 00000082 00000010 6f000002 d000a8c0 00000000
00000000 00000000
[ 759.921835] 00000000 00000000 f745d7f0 000010c6 00000000 00000000
00000000 00000000
[ 759.921841] c050f080 eb056000 eb134000 f745da68 c2b05d00 00000000
00000000 c2b05d00
[ 759.921847] Call Trace:
[ 759.921849] [<f90f8c5d>] rpc_wait_bit_killable+0x1d/0x50 [sunrpc]
[ 759.921861] [<c037d2ef>] __wait_on_bit+0x4f/0x70
[ 759.921864] [<f90f8c40>] ? rpc_wait_bit_killable+0x0/0x50 [sunrpc]
[ 759.921876] [<c037d3bd>] out_of_line_wait_on_bit+0xad/0xc0
[ 759.921879] [<f90f8c40>] ? rpc_wait_bit_killable+0x0/0x50 [sunrpc]
[ 759.921891] [<c0147500>] ? wake_bit_function+0x0/0x60
[ 759.921895] [<f90f96ae>] __rpc_execute+0xae/0x250 [sunrpc]
[ 759.921907] [<f90f98c9>] rpc_execute+0x79/0x90 [sunrpc]
[ 759.921918] [<f90f2743>] rpc_run_task+0x33/0x70 [sunrpc]
[ 759.921930] [<f90f28a0>] rpc_call_sync+0x40/0x70 [sunrpc]
[ 759.921949] [<f90f2918>] rpc_ping+0x48/0x60 [sunrpc]
[ 759.921969] [<f90f3302>] rpc_create+0x1b2/0x210 [sunrpc]
[ 759.921981] [<c018a053>] ? get_page_from_freelist+0xc3/0x160
[ 759.921985] [<c018a1ae>] ? __alloc_pages_internal+0xbe/0x490
[ 759.921988] [<c018916e>] ? get_pageblock_flags_group+0xe/0x80
[ 759.921992] [<f9190b88>] nfs_mount+0x88/0x180 [nfs]
[ 759.922005] [<f91850e7>] ? nfs_parse_ip_address+0xc7/0x120 [nfs]
[ 759.922025] [<f9185e7f>] nfs_try_mount+0x9f/0x120 [nfs]
[ 759.922036] [<f918639b>] nfs_validate_mount_data+0x49b/0x550 [nfs]
[ 759.922046] [<f91881d4>] nfs_get_sb+0x84/0x300 [nfs]
[ 759.922063] [<c01cbc7d>] ? alloc_vfsmnt+0x8d/0x120
[ 759.922069] [<c01b43ee>] vfs_kern_mount+0x5e/0x130
[ 759.922074] [<c01b451e>] do_kern_mount+0x3e/0xe0
[ 759.922077] [<c01cc9ef>] do_new_mount+0x6f/0x90
[ 759.922080] [<c01ccf32>] do_mount+0x1d2/0x1f0
[ 759.922083] [<c01ca67d>] ? exact_copy_from_user+0x4d/0xa0
[ 759.922086] [<c01cac8e>] ? copy_mount_options+0x6e/0xd0
[ 759.922090] [<c01ccfe1>] sys_mount+0x91/0xc0
[ 759.922093] [<c0103f7b>] sysenter_do_call+0x12/0x2f
[83268.835117] landscape-sys D 00000000 0 25091 25089
[83268.835120] ddd89ccc 00200086 ddd89cb8 00000000 00000000 00004040
ee25e004 00000064
[83268.835126] 00000064 00000000 ee1c4b60 0002ce83 00000000 ee4f0000
00000001 ecc8b880
[83268.835132] c050f080 ddcf6000 ddd88000 ee1c4dd8 c2b10d00 00000001
ddd89ca4 c2b10d00
[83268.835138] Call Trace:
[83268.835140] [<f90f8c5d>] rpc_wait_bit_killable+0x1d/0x50 [sunrpc]
[83268.835152] [<c037d2ef>] __wait_on_bit+0x4f/0x70
[83268.835155] [<f90f8c40>] ? rpc_wait_bit_killable+0x0/0x50 [sunrpc]
[83268.835168] [<c037d3bd>] out_of_line_wait_on_bit+0xad/0xc0
[83268.835171] [<f90f8c40>] ? rpc_wait_bit_killable+0x0/0x50 [sunrpc]
[83268.835183] [<c0147500>] ? wake_bit_function+0x0/0x60
[83268.835186] [<f90f96ae>] __rpc_execute+0xae/0x250 [sunrpc]
[83268.835198] [<f90f98c9>] rpc_execute+0x79/0x90 [sunrpc]
[83268.835210] [<f90f2743>] rpc_run_task+0x33/0x70 [sunrpc]
[83268.835221] [<f90f28a0>] rpc_call_sync+0x40/0x70 [sunrpc]
[83268.835238] [<f9190f13>] nfs3_rpc_wrapper+0x23/0x60 [nfs]
[83268.835250] [<f91910bd>] nfs3_proc_statfs+0x4d/0x90 [nfs]
[83268.835267] [<f9184dd2>] nfs_statfs+0x62/0x1a0 [nfs]
[83268.835277] [<c01bac46>] ? path_to_nameidata+0x36/0x50
[83268.835281] [<c01cb0d2>] ? mntput_no_expire+0x22/0x120
[83268.835285] [<c01babc5>] ? path_put+0x25/0x30
[83268.835288] [<c01bca62>] ? path_walk+0xa2/0xb0
[83268.835291] [<c01ba9fa>] ? putname+0x2a/0x40
[83268.835294] [<c01ba9fa>] ? putname+0x2a/0x40
[83268.835297] [<c01bd7e3>] ? user_path_at+0x53/0x80
[83268.835300] [<c01b13ed>] vfs_statfs+0x6d/0x90
[83268.835303] [<c01b1516>] sys_statfs64+0x66/0xa0
[83268.835306] [<c01b5f66>] ? vfs_stat+0x16/0x20
[83268.835310] [<c01b5f89>] ? sys_stat64+0x19/0x30
[83268.835314] [<c0103f7b>] sysenter_do_call+0x12/0x2f
[83268.834286] gvfsd-trash D 00000000 0 25004 1
[83268.834289] ddd3dbf8 00000082 c0122980 00000000 00000000 00000003 eb44
63a4 ee479580
[83268.834296] 00000246 ddd3dba8 eeb2cb60 00001446 00000000 00000246 0000
0001 00000000
[83268.834302] c050f080 f746e000 ddd3c000 eeb2cdd8 c2b10d00 00000001 e80b
f900 c2b10d00
[83268.834333] Call Trace:
[83268.834335] [<c0122980>] ? __wake_up+0x40/0x50
[83268.834339] [<f90f8c5d>] rpc_wait_bit_killable+0x1d/0x50 [sunrpc]
[83268.834352] [<c037d2ef>] __wait_on_bit+0x4f/0x70
[83268.834386] [<f90f8c40>] ? rpc_wait_bit_killable+0x0/0x50 [sunrpc]
[83268.834405] [<c037d3bd>] out_of_line_wait_on_bit+0xad/0xc0
[83268.834409] [<f90f8c40>] ? rpc_wait_bit_killable+0x0/0x50 [sunrpc]
[83268.834422] [<c0147500>] ? wake_bit_function+0x0/0x60
[83268.834426] [<f90f96ae>] __rpc_execute+0xae/0x250 [sunrpc]
[83268.834461] [<f90f98c9>] rpc_execute+0x79/0x90 [sunrpc]
[83268.834474] [<f90f2743>] rpc_run_task+0x33/0x70 [sunrpc]
[83268.834487] [<f90f28a0>] rpc_call_sync+0x40/0x70 [sunrpc]
[83268.834504] [<f9190f13>] nfs3_rpc_wrapper+0x23/0x60 [nfs]
[83268.834517] [<f91913b3>] nfs3_proc_access+0xb3/0x160 [nfs]
[83268.834530] [<c0189e8a>] ? buffered_rmqueue+0x1aa/0x2b0
[83268.834534] [<c01843e3>] ? find_get_page+0x23/0xb0
[83268.834538] [<c018487e>] ? find_lock_page+0x2e/0x70
[83268.834542] [<c018de89>] ? mark_page_accessed+0x9/0x60
[83268.834546] [<c0185d78>] ? filemap_fault+0x1c8/0x3f0
[83268.834549] [<c037e62d>] ? _spin_lock+0xd/0x10
[83268.834558] [<f917ea94>] nfs_do_access+0xb4/0x1b0 [nfs]
[83268.834570] [<f917ec16>] nfs_permission+0x86/0x160 [nfs]
[83268.834585] [<c01c626f>] ? dput+0x8f/0x140
[83268.834589] [<c01b9cf9>] __inode_permission+0x69/0xc0
[83268.834591] [<c01b9d71>] path_permission+0x21/0x40
[83268.834594] [<c01bbaef>] __link_path_walk+0x7f/0xb40
[83268.834597] [<c014ba18>] ? up_read+0x8/0x20
[83268.834601] [<c01bca14>] path_walk+0x54/0xb0
[83268.834603] [<c01bcbc6>] do_path_lookup+0xb6/0x1a0
[83268.834606] [<c01bd7da>] user_path_at+0x4a/0x80
[83268.834610] [<c01b5d03>] vfs_lstat_fd+0x23/0x50
[83268.834613] [<c01b5dc6>] vfs_lstat+0x16/0x20
[83268.834616] [<c01b5de9>] sys_lstat64+0x19/0x30
[83268.834619] [<c03808a0>] ? do_page_fault+0x0/0x720
[83268.834622] [<c037e9e2>] ? error_code+0x72/0x80
[83268.834626] [<c02540b1>] ? __put_user_4+0x11/0x20
[83268.834629] [<c0103f7b>] sysenter_do_call+0x12/0x2f
[83268.834632] [<c0370000>] ? default_device_exit+0x60/0xb0
--
upgrade to intrepid broke hibernate/suspend ("2 tasks refusing to freeze") (nfs
related?)
https://bugs.launchpad.net/bugs/292698
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