Comment 5 for bug 1080530

After checking syslog I'm getting the same thing when trying to suspend:

[ 7354.174209] PM: Syncing filesystems ... done.
[ 7354.176280] PM: Preparing system for mem sleep
[ 7354.176291] Freezing user space processes ... (elapsed 0.01 seconds) done.
[ 7354.192042] Freezing remaining freezable tasks ...
[ 7374.208027] Freezing of tasks failed after 20.01 seconds (1 tasks refusing to freeze, wq_busy=0):
[ 7374.208049] v86d S ffffffff81806200 0 214 1 0x00c00000
[ 7374.208054] ffff880113e339d8 0000000000000082 ffff880113e339e8 ffffffff8104fc1c
[ 7374.208060] ffff880113e33fd8 ffff880113e33fd8 ffff880113e33fd8 00000000000137c0
[ 7374.208064] ffffffff81c0d020 ffff8801139bc500 00000000000137c0 0000000000000000
[ 7374.208069] Call Trace:
[ 7374.208079] [<ffffffff8104fc1c>] ? wake_affine+0x14c/0x310
[ 7374.208085] [<ffffffff81659ebf>] schedule+0x3f/0x60
[ 7374.208089] [<ffffffff8165afed>] schedule_hrtimeout_range_clock+0x14d/0x170
[ 7374.208094] [<ffffffff8103dcf9>] ? default_spin_lock_flags+0x9/0x10
[ 7374.208098] [<ffffffff8108ad0d>] ? add_wait_queue+0x4d/0x60
[ 7374.208256] [<ffffffff8165b023>] schedule_hrtimeout_range+0x13/0x20
[ 7374.208260] [<ffffffff8118b069>] poll_schedule_timeout+0x49/0x70
[ 7374.208262] [<ffffffff8118b5ba>] do_poll.isra.4+0x1ca/0x290
[ 7374.208265] [<ffffffff8104c368>] ? __wake_up_common+0x58/0x90
[ 7374.208268] [<ffffffff8156c81e>] ? netlink_unicast+0x2be/0x300
[ 7374.208271] [<ffffffff8118c579>] do_sys_poll+0x1d9/0x260
[ 7374.208273] [<ffffffff8118b170>] ? poll_freewait+0xe0/0xe0
[ 7374.208276] [<ffffffff8118b260>] ? __pollwait+0xf0/0xf0
[ 7374.208278] [<ffffffff8156c996>] ? netlink_sendmsg+0x136/0x390
[ 7374.208282] [<ffffffff8152a94e>] ? sock_sendmsg+0x10e/0x130
[ 7374.208285] [<ffffffff8113dde8>] ? handle_mm_fault+0x1f8/0x350
[ 7374.208288] [<ffffffff8152dfdd>] ? sys_sendto+0x13d/0x190
[ 7374.208291] [<ffffffff8165986c>] ? __schedule+0x3cc/0x6f0
[ 7374.208294] [<ffffffff81015bf8>] ? sys_ioperm+0x138/0x1f0
[ 7374.208297] [<ffffffff8118c6e6>] sys_poll+0x76/0x110
[ 7374.208300] [<ffffffff816643c2>] system_call_fastpath+0x16/0x1b
[ 7374.208360]