zeitgeist-datahub refusing to freeze during mem sleep

[Michael Budde]

Binary package hint: zeitgeist-datahub

Sometimes my laptop fails to go into sleep mode and I get the following in my kern.log:

May 31 22:41:30 canopus kernel: [39684.972545] PM: Preparing system for mem sleep
May 31 22:41:50 canopus kernel: [39685.220246] Freezing user space processes ...
May 31 22:41:50 canopus kernel: [39705.240080] Freezing of tasks failed after 20.01 seconds (1 tasks refusing to freeze, wq_busy=0):
May 31 22:41:50 canopus kernel: [39705.240137] zeitgeist-datah D 0000000000000001 0 1979 1892 0x00800004
May 31 22:41:50 canopus kernel: [39705.240141] ffff88012ff1b9a8 0000000000000086 ffff88012ff1bfd8 ffff88012ff1a000
May 31 22:41:50 canopus kernel: [39705.240145] 0000000000013d00 ffff88012b855f38 ffff88012ff1bfd8 0000000000013d00
May 31 22:41:50 canopus kernel: [39705.240149] ffff880133738000 ffff88012b855b80 ffff88012ff1b9b8 ffff88012ff1ba18
May 31 22:41:50 canopus kernel: [39705.240152] Call Trace:
May 31 22:41:50 canopus kernel: [39705.240178] [<ffffffffa018ec00>] ? rpc_wait_bit_killable+0x0/0x40 [sunrpc]
May 31 22:41:50 canopus kernel: [39705.240187] [<ffffffffa018ec24>] rpc_wait_bit_killable+0x24/0x40 [sunrpc]
May 31 22:41:50 canopus kernel: [39705.240192] [<ffffffff815c168f>] __wait_on_bit+0x5f/0x90
May 31 22:41:50 canopus kernel: [39705.240206] [<ffffffffa018ec00>] ? rpc_wait_bit_killable+0x0/0x40 [sunrpc]
May 31 22:41:50 canopus kernel: [39705.240209] [<ffffffff815c173c>] out_of_line_wait_on_bit+0x7c/0x90
May 31 22:41:50 canopus kernel: [39705.240213] [<ffffffff81087f40>] ? wake_bit_function+0x0/0x50
May 31 22:41:50 canopus kernel: [39705.240221] [<ffffffffa018f405>] __rpc_execute+0xf5/0x1f0 [sunrpc]
May 31 22:41:50 canopus kernel: [39705.240229] [<ffffffffa018fbb3>] rpc_execute+0x43/0x50 [sunrpc]
May 31 22:41:50 canopus kernel: [39705.240236] [<ffffffffa018873d>] rpc_run_task+0xdd/0x130 [sunrpc]
May 31 22:41:50 canopus kernel: [39705.240243] [<ffffffffa0188893>] rpc_call_sync+0x43/0x70 [sunrpc]
May 31 22:41:50 canopus kernel: [39705.240257] [<ffffffffa020b31b>] nfs3_rpc_wrapper.clone.7+0x4b/0x80 [nfs]
May 31 22:41:50 canopus kernel: [39705.240266] [<ffffffffa020b665>] nfs3_proc_access+0xb5/0x180 [nfs]
May 31 22:41:50 canopus kernel: [39705.240274] [<ffffffffa01f6d7d>] nfs_do_access+0x8d/0xf0 [nfs]
May 31 22:41:50 canopus kernel: [39705.240282] [<ffffffffa0191a55>] ? generic_lookup_cred+0x15/0x20 [sunrpc]
May 31 22:41:50 canopus kernel: [39705.240290] [<ffffffffa0190c88>] ? rpcauth_lookupcred+0x68/0xb0 [sunrpc]
May 31 22:41:50 canopus kernel: [39705.240297] [<ffffffffa01f6eb8>] nfs_permission+0xd8/0x1d0 [nfs]
May 31 22:41:50 canopus kernel: [39705.240302] [<ffffffff81183196>] ? mntput_no_expire+0x36/0xf0
May 31 22:41:50 canopus kernel: [39705.240305] [<ffffffff8117181d>] link_path_walk+0x21d/0xc40
May 31 22:41:50 canopus kernel: [39705.240308] [<ffffffff8117253b>] do_path_lookup+0x5b/0x160
May 31 22:41:50 canopus kernel: [39705.240310] [<ffffffff811728a7>] user_path_at+0x57/0xa0
May 31 22:41:50 canopus kernel: [39705.240314] [<ffffffff812ae184>] ? apparmor_inode_getattr+0x54/0x60
May 31 22:41:50 canopus kernel: [39705.240318] [<ffffffff811692d8>] ? cp_new_stat+0xf8/0x110
May 31 22:41:50 canopus kernel: [39705.240321] [<ffffffff81169599>] vfs_fstatat+0x39/0x70
May 31 22:41:50 canopus kernel: [39705.240323] [<ffffffff8116960b>] vfs_stat+0x1b/0x20
May 31 22:41:50 canopus kernel: [39705.240326] [<ffffffff8116984a>] sys_newstat+0x1a/0x40
May 31 22:41:50 canopus kernel: [39705.240329] [<ffffffff8100c002>] system_call_fastpath+0x16/0x1b

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: zeitgeist-datahub 0.7.0-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-9.43-generic 2.6.38.4
Uname: Linux 2.6.38-9-generic x86_64
Architecture: amd64
Date: Fri Jun 3 09:05:52 2011
EcryptfsInUse: Yes
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta amd64 (20110330)
ProcEnviron:
 LANGUAGE=en_DK:en
 PATH=(custom, user)
 LANG=en_DK.UTF-8
 SHELL=/bin/bash
SourcePackage: zeitgeist-datahub
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Bryce Nesbitt (bryce2)]

https://bugs.launchpad.net/ubuntu/+source/zeitgeist/+bug/1503930