I am having similar problem, although it appears rarely.. perhaps one time in
50 suspends.
There is no NFS on my laptop.
The task refusing to freeze is landscape-sysinfo, stack:
Feb 26 18:51:04 kernel: [ 8267.277070] landscape-sys D ffffffff802340a9 0
20841 20837
Feb 26 18:51:04 kernel: [ 8267.277073] ffff88004c881c98 0000000000000086
ffff88004c881bf8 ffffffff8024760d
Feb 26 18:51:04 kernel: [ 8267.277077] ffffffff807a6400 ffffffff807a6400
ffffffff807a6400 ffffffff807a6400
Feb 26 18:51:04 kernel: [ 8267.277081] ffffffff807a6400 ffffffff807a6400
ffffffff807a6400 ffffffff807a6400
Feb 26 18:51:04 kernel: [ 8267.277085] Call Trace:
Feb 26 18:51:04 kernel: [ 8267.277087] [<ffffffff8024760d>] ?
default_wake_function+0xd/0x10
Feb 26 18:51:04 kernel: [ 8267.277097] [<ffffffffa0000de5>]
request_wait_answer+0x85/0x250 [fuse]
Feb 26 18:51:04 kernel: [ 8267.277100] [<ffffffff802670a0>] ?
autoremove_wake_function+0x0/0x40
Feb 26 18:51:04 kernel: [ 8267.277107] [<ffffffffa000103a>]
request_send+0x8a/0x90 [fuse]
Feb 26 18:51:04 kernel: [ 8267.277113] [<ffffffffa00030b3>]
fuse_do_getattr+0x143/0x2d0 [fuse]
Feb 26 18:51:04 kernel: [ 8267.277116] [<ffffffff802f3956>] ?
putname+0x36/0x50
Feb 26 18:51:04 kernel: [ 8267.277123] [<ffffffffa00049f5>]
fuse_update_attributes+0x75/0x80 [fuse]
Feb 26 18:51:04 kernel: [ 8267.277130] [<ffffffffa0004a51>]
fuse_getattr+0x51/0x60 [fuse]
Feb 26 18:51:04 kernel: [ 8267.277132] [<ffffffff802edf24>]
vfs_getattr+0x54/0x80
Feb 26 18:51:04 kernel: [ 8267.277135] [<ffffffff802ee193>]
vfs_stat_fd+0x43/0x60
Feb 26 18:51:04 kernel: [ 8267.277138] [<ffffffff802ee25c>]
sys_newstat+0x2c/0x50
Feb 26 18:51:04 kernel: [ 8267.277141] [<ffffffff8026b55e>] ?
up_write+0xe/0x10
Feb 26 18:51:04 kernel: [ 8267.277144] [<ffffffff8021285a>]
system_call_fastpath+0x16/0x1b
I am on 8.10 x86_64, 2.6.27-12-generic.
--
upgrade to intrepid broke hibernate/suspend ("2 tasks refusing to freeze") (nfs
related?)
https://bugs.launchpad.net/bugs/292698
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