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Thread: Maverick fails to suspend to ram

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    Maverick fails to suspend to ram

    Maverick (64 bit) will suspend to RAM on my desktop computer immediately after I boot it up (before I start working). But after I have some programs open, it always fails to suspend.

    I get the typical blinking cursor in the upper right corner of a black screen. Then, after 20 seconds, the screen comes back on. The logs contain a message that "Freezing of tasks failed after 20.01 seconds."

    The problem task is usually listed as gnome-panel. Sometimes other tasks are listed too (such as Nautilus).

    Why will gnome-panel allow me to suspend soon after booting up, but not allow suspend after I start working with applications? I am not changing anything in the panel. And deleting the applets I have installed (system monitor and hardware monitor) doesn't make any difference - the problem continues. As I said, sometimes Nautilus is listed as the task that refuses to freeze.

    If I switch users, I can suspend. I assume switching users just puts me in the "clean" state I have with my own user after booting up, so this doesn't really tell me anything new.

    I have searched all the other threads I can find. Most of the extensive suspend debugging threads are either from the 2007 era or they deal with laptops or resume issues. My issue is failure to suspend on a desktop.

    As you can see from the logs, I've been working on this for a month already!

    Here's a typical error message:
    Nov 7 01:52:59 MyComputer kernel: [ 1625.221296] Freezing of tasks failed after 20.01 seconds (1 tasks refusing to freeze):
    Nov 7 01:52:59 MyComputer kernel: [ 1625.221374] gnome-panel D 000000010001fdc2 0 1925 1853 0x00800004

    Here's an example log showing 2 tasks that fail to freeze:
    Code:
    Nov  9 01:25:09 MyComputer kernel: [16615.765114] PM: Syncing filesystems ... done.
    Nov  9 01:25:09 MyComputer rtkit-daemon[1738]: The canary thread is apparently starving. Taking action.
    Nov  9 01:25:09 MyComputer kernel: [16615.767512] PM: Preparing system for mem sleep
    Nov  9 01:25:09 MyComputer kernel: [16615.767518] Freezing user space processes ... 
    Nov  9 01:25:09 MyComputer kernel: [16635.769822] Freezing of tasks failed after 20.01 seconds (2 tasks refusing to freeze):
    Nov  9 01:25:09 MyComputer kernel: [16635.769898] nautilus      D 0000000000000082     0  1938   1871 0x00800004
    Nov  9 01:25:09 MyComputer kernel: [16635.769905]  ffff88040a225a08 0000000000000086 ffff88040a2259d8 0000000000015980
    Nov  9 01:25:09 MyComputer kernel: [16635.769907]  ffff88040a225fd8 0000000000015980 ffff88040a225fd8 ffff8803f355c4a0
    Nov  9 01:25:09 MyComputer kernel: [16635.769910]  0000000000015980 0000000000015980 ffff88040a225fd8 0000000000015980
    Nov  9 01:25:09 MyComputer kernel: [16635.769912] Call Trace:
    Nov  9 01:25:09 MyComputer kernel: [16635.769924]  [<ffffffffa0ea2be0>] ? rpc_wait_bit_killable+0x0/0x40 [sunrpc]
    Nov  9 01:25:09 MyComputer kernel: [16635.769930]  [<ffffffffa0ea2c04>] rpc_wait_bit_killable+0x24/0x40 [sunrpc]
    Nov  9 01:25:09 MyComputer kernel: [16635.769933]  [<ffffffff815878ff>] __wait_on_bit+0x5f/0x90
    Nov  9 01:25:09 MyComputer kernel: [16635.769938]  [<ffffffffa0ea2be0>] ? rpc_wait_bit_killable+0x0/0x40 [sunrpc]
    Nov  9 01:25:09 MyComputer kernel: [16635.769941]  [<ffffffff815879a8>] out_of_line_wait_on_bit+0x78/0x90
    Nov  9 01:25:09 MyComputer kernel: [16635.769943]  [<ffffffff8107f650>] ? wake_bit_function+0x0/0x40
    Nov  9 01:25:09 MyComputer kernel: [16635.769949]  [<ffffffffa0ea34ed>] __rpc_execute+0xed/0x290 [sunrpc]
    Nov  9 01:25:09 MyComputer kernel: [16635.769955]  [<ffffffffa0ea3713>] rpc_execute+0x83/0xa0 [sunrpc]
    Nov  9 01:25:09 MyComputer kernel: [16635.769959]  [<ffffffffa0e9bc99>] rpc_run_task+0x29/0x40 [sunrpc]
    Nov  9 01:25:09 MyComputer kernel: [16635.769963]  [<ffffffffa0e9bdb2>] rpc_call_sync+0x42/0x70 [sunrpc]
    Nov  9 01:25:09 MyComputer kernel: [16635.769972]  [<ffffffffa1053555>] T.1029+0x35/0x80 [nfs]
    Nov  9 01:25:09 MyComputer kernel: [16635.769975]  [<ffffffff81107794>] ? get_page_from_freelist+0x2a4/0x6c0
    Nov  9 01:25:09 MyComputer kernel: [16635.769981]  [<ffffffffa10538ef>] nfs3_proc_access+0xbf/0x180 [nfs]
    Nov  9 01:25:09 MyComputer kernel: [16635.769987]  [<ffffffffa103d737>] nfs_do_access+0x97/0xf0 [nfs]
    Nov  9 01:25:09 MyComputer kernel: [16635.769993]  [<ffffffffa0ea5855>] ? generic_lookup_cred+0x15/0x20 [sunrpc]
    Nov  9 01:25:09 MyComputer kernel: [16635.769999]  [<ffffffffa0ea49a0>] ? rpcauth_lookupcred+0x70/0xc0 [sunrpc]
    Nov  9 01:25:09 MyComputer kernel: [16635.770002]  [<ffffffff8116687f>] ? dput+0xdf/0x1b0
    Nov  9 01:25:09 MyComputer kernel: [16635.770006]  [<ffffffffa103d825>] nfs_permission+0x95/0x1d0 [nfs]
    Nov  9 01:25:09 MyComputer kernel: [16635.770009]  [<ffffffff8115c810>] exec_permission+0x30/0x90
    Nov  9 01:25:09 MyComputer kernel: [16635.770011]  [<ffffffff8115f569>] link_path_walk+0x89/0xab0
    Nov  9 01:25:09 MyComputer kernel: [16635.770013]  [<ffffffff811600f7>] path_walk+0x67/0xe0
    Nov  9 01:25:09 MyComputer kernel: [16635.770015]  [<ffffffff811602cb>] do_path_lookup+0x5b/0xa0
    Nov  9 01:25:09 MyComputer kernel: [16635.770016]  [<ffffffff81160f97>] user_path_at+0x57/0xa0
    Nov  9 01:25:09 MyComputer kernel: [16635.770020]  [<ffffffff8128a05d>] ? aa_dup_task_context+0x3d/0x70
    Nov  9 01:25:09 MyComputer kernel: [16635.770022]  [<ffffffff8128fb80>] ? apparmor_cred_prepare+0x40/0x60
    Nov  9 01:25:09 MyComputer kernel: [16635.770025]  [<ffffffff8125f906>] ? security_prepare_creds+0x16/0x20
    Nov  9 01:25:09 MyComputer kernel: [16635.770028]  [<ffffffff81151970>] sys_faccessat+0xd0/0x1d0
    Nov  9 01:25:09 MyComputer kernel: [16635.770030]  [<ffffffff81151a88>] sys_access+0x18/0x20
    Nov  9 01:25:09 MyComputer kernel: [16635.770033]  [<ffffffff8100a0f2>] system_call_fastpath+0x16/0x1b
    Nov  9 01:25:09 MyComputer kernel: [16635.770035] gnome-panel   D 0000000000000082     0  1943   1871 0x00800004
    Nov  9 01:25:09 MyComputer kernel: [16635.770037]  ffff88040a12f998 0000000000000086 ffff88040a12f938 0000000000015980
    Nov  9 01:25:09 MyComputer kernel: [16635.770039]  ffff88040a12ffd8 0000000000015980 ffff88040a12ffd8 ffff88040ccd5b80
    Nov  9 01:25:09 MyComputer kernel: [16635.770041]  0000000000015980 0000000000015980 ffff88040a12ffd8 0000000000015980
    Nov  9 01:25:09 MyComputer kernel: [16635.770044] Call Trace:
    Nov  9 01:25:09 MyComputer kernel: [16635.770050]  [<ffffffffa0ea2be0>] ? rpc_wait_bit_killable+0x0/0x40 [sunrpc]
    Nov  9 01:25:09 MyComputer kernel: [16635.770055]  [<ffffffffa0ea2c04>] rpc_wait_bit_killable+0x24/0x40 [sunrpc]
    Nov  9 01:25:09 MyComputer kernel: [16635.770057]  [<ffffffff815878ff>] __wait_on_bit+0x5f/0x90
    Nov  9 01:25:09 MyComputer kernel: [16635.770062]  [<ffffffffa0ea2be0>] ? rpc_wait_bit_killable+0x0/0x40 [sunrpc]
    Nov  9 01:25:09 MyComputer kernel: [16635.770064]  [<ffffffff815879a8>] out_of_line_wait_on_bit+0x78/0x90
    Nov  9 01:25:09 MyComputer kernel: [16635.770066]  [<ffffffff8107f650>] ? wake_bit_function+0x0/0x40
    Nov  9 01:25:09 MyComputer kernel: [16635.770072]  [<ffffffffa0ea34ed>] __rpc_execute+0xed/0x290 [sunrpc]
    Nov  9 01:25:09 MyComputer kernel: [16635.770078]  [<ffffffffa0ea3713>] rpc_execute+0x83/0xa0 [sunrpc]
    Nov  9 01:25:09 MyComputer kernel: [16635.770082]  [<ffffffffa0e9bc99>] rpc_run_task+0x29/0x40 [sunrpc]
    Nov  9 01:25:09 MyComputer kernel: [16635.770086]  [<ffffffffa0e9bdb2>] rpc_call_sync+0x42/0x70 [sunrpc]
    Nov  9 01:25:09 MyComputer kernel: [16635.770093]  [<ffffffffa1053555>] T.1029+0x35/0x80 [nfs]
    Nov  9 01:25:09 MyComputer kernel: [16635.770099]  [<ffffffffa10538ef>] nfs3_proc_access+0xbf/0x180 [nfs]
    Nov  9 01:25:09 MyComputer kernel: [16635.770104]  [<ffffffffa103d737>] nfs_do_access+0x97/0xf0 [nfs]
    Nov  9 01:25:09 MyComputer kernel: [16635.770110]  [<ffffffffa0ea5855>] ? generic_lookup_cred+0x15/0x20 [sunrpc]
    Nov  9 01:25:09 MyComputer kernel: [16635.770116]  [<ffffffffa0ea49a0>] ? rpcauth_lookupcred+0x70/0xc0 [sunrpc]
    Nov  9 01:25:09 MyComputer kernel: [16635.770118]  [<ffffffff8116687f>] ? dput+0xdf/0x1b0
    Nov  9 01:25:09 MyComputer kernel: [16635.770123]  [<ffffffffa103d825>] nfs_permission+0x95/0x1d0 [nfs]
    Nov  9 01:25:09 MyComputer kernel: [16635.770125]  [<ffffffff8115c810>] exec_permission+0x30/0x90
    Nov  9 01:25:09 MyComputer kernel: [16635.770127]  [<ffffffff8115f569>] link_path_walk+0x89/0xab0
    Nov  9 01:25:09 MyComputer kernel: [16635.770129]  [<ffffffff811600f7>] path_walk+0x67/0xe0
    Nov  9 01:25:09 MyComputer kernel: [16635.770130]  [<ffffffff811602cb>] do_path_lookup+0x5b/0xa0
    Nov  9 01:25:09 MyComputer kernel: [16635.770132]  [<ffffffff81160f97>] user_path_at+0x57/0xa0
    Nov  9 01:25:09 MyComputer kernel: [16635.770134]  [<ffffffff81164990>] ? pollwake+0x0/0x60
    Nov  9 01:25:09 MyComputer kernel: [16635.770136]  [<ffffffff8128fe70>] ? apparmor_inode_getattr+0x60/0x70
    Nov  9 01:25:09 MyComputer kernel: [16635.770138]  [<ffffffff81156fa8>] ? cp_new_stat+0xf8/0x110
    Nov  9 01:25:09 MyComputer kernel: [16635.770140]  [<ffffffff8115707c>] vfs_fstatat+0x3c/0x80
    Nov  9 01:25:09 MyComputer kernel: [16635.770142]  [<ffffffff8115712e>] vfs_lstat+0x1e/0x20
    Nov  9 01:25:09 MyComputer kernel: [16635.770143]  [<ffffffff81157154>] sys_newlstat+0x24/0x50
    Nov  9 01:25:09 MyComputer kernel: [16635.770146]  [<ffffffff8100a0f2>] system_call_fastpath+0x16/0x1b
    Nov  9 01:25:09 MyComputer kernel: [16635.770157] 
    Nov  9 01:25:09 MyComputer rtkit-daemon[1738]: Demoting known real-time threads.
    Nov  9 01:25:09 MyComputer rtkit-daemon[1738]: Successfully demoted thread 2054 of process 1940 (n/a).
    Nov  9 01:25:09 MyComputer rtkit-daemon[1738]: Successfully demoted thread 2035 of process 1940 (n/a).
    Nov  9 01:25:09 MyComputer rtkit-daemon[1738]: Successfully demoted thread 1940 of process 1940 (n/a).
    Nov  9 01:25:09 MyComputer rtkit-daemon[1738]: Demoted 3 threads.
    Nov  9 01:25:09 MyComputer kernel: [16635.770158] Restarting tasks ... done.
    Desktop: KX Studio (Kubuntu 12.04)
    Laptop & Netbook: Kubuntu 12.04
    Tablet: Samsung Galaxy Tab 10.1
    Phone: Nexus 4 Cyanogenmod

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    Re: Maverick fails to suspend to ram

    Quote Originally Posted by MountainX View Post
    Maverick (64 bit) will suspend to RAM on my desktop computer immediately after I boot it up (before I start working). But after I have some programs open, it always fails to suspend.
    ..........
    Do you still have sufficient swap configured? (yes, even though it is to RAM this seems to be required).
    Regards, David.
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    Re: Maverick fails to suspend to ram

    Quote Originally Posted by dcstar View Post
    Do you still have sufficient swap configured? (yes, even though it is to RAM this seems to be required).
    Thank you. For reference for others, here is some documentation backing up what you stated:
    https://help.ubuntu.com/community/SwapFaq

    It sounds like this could be my problem. I do have more RAM than swap. For some reason, this is what the default Ubuntu installer suggests!

    I am using and SSD so I do not want to change my partitions (because of alignment issues). The link I listed above mentions using a swap file instead of a partition. Will this work? Are there better instructions for doing that?
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    Re: Maverick fails to suspend to ram

    Quote Originally Posted by dcstar View Post
    Do you still have sufficient swap configured? (yes, even though it is to RAM this seems to be required).
    I added a swap file equal to my RAM size. It did not solve the issue.
    Last edited by MountainX; December 10th, 2010 at 06:44 AM.
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    Re: Maverick fails to suspend to ram

    Code:
    Dec 10 00:45:41 MyComputer kernel: [ 9772.248587] Freezing user space processes ... 
    Dec 10 00:45:41 MyComputer kernel: [ 9792.234911] gnome-panel   D 00000001000e7646     0  1936   1865 0x00800004
    Dec 10 00:45:41 MyComputer kernel: [ 9792.234914]  ffff8803ffd47998 0000000000000082 ffff880300000000 0000000000015980
    Dec 10 00:45:41 MyComputer kernel: [ 9792.234916]  ffff8803ffd47fd8 0000000000015980 ffff8803ffd47fd8 ffff88040ac42dc0
    Dec 10 00:45:41 MyComputer kernel: [ 9792.234918]  0000000000015980 0000000000015980 ffff8803ffd47fd8 0000000000015980
    Dec 10 00:45:41 MyComputer kernel: [ 9792.234921] Call Trace:
    Dec 10 00:45:41 MyComputer kernel: [ 9792.234933]  [<ffffffffa0f6dbe0>] ? rpc_wait_bit_killable+0x0/0x40 [sunrpc]
    Dec 10 00:45:41 MyComputer kernel: [ 9792.234939]  [<ffffffffa0f6dc04>] rpc_wait_bit_killable+0x24/0x40 [sunrpc]
    Dec 10 00:45:41 MyComputer kernel: [ 9792.234942]  [<ffffffff8158813f>] __wait_on_bit+0x5f/0x90
    Dec 10 00:45:41 MyComputer kernel: [ 9792.234948]  [<ffffffffa0f6dbe0>] ? rpc_wait_bit_killable+0x0/0x40 [sunrpc]
    Dec 10 00:45:41 MyComputer kernel: [ 9792.234950]  [<ffffffff815881e8>] out_of_line_wait_on_bit+0x78/0x90
    Dec 10 00:45:41 MyComputer kernel: [ 9792.234953]  [<ffffffff8107f660>] ? wake_bit_function+0x0/0x40
    Dec 10 00:45:41 MyComputer kernel: [ 9792.234959]  [<ffffffffa0f6e4ed>] __rpc_execute+0xed/0x290 [sunrpc]
    Dec 10 00:45:41 MyComputer kernel: [ 9792.234965]  [<ffffffffa0f6e713>] rpc_execute+0x83/0xa0 [sunrpc]
    Dec 10 00:45:41 MyComputer kernel: [ 9792.234970]  [<ffffffffa0f66c99>] rpc_run_task+0x29/0x40 [sunrpc]
    Dec 10 00:45:41 MyComputer kernel: [ 9792.234975]  [<ffffffffa0f66db2>] rpc_call_sync+0x42/0x70 [sunrpc]
    Dec 10 00:45:41 MyComputer kernel: [ 9792.234984]  [<ffffffffa10db645>] T.1034+0x35/0x80 [nfs]
    Dec 10 00:45:41 MyComputer kernel: [ 9792.234991]  [<ffffffffa10db9df>] nfs3_proc_access+0xbf/0x180 [nfs]
    Dec 10 00:45:41 MyComputer kernel: [ 9792.234996]  [<ffffffffa10c57b7>] nfs_do_access+0x97/0xf0 [nfs]
    Dec 10 00:45:41 MyComputer kernel: [ 9792.235003]  [<ffffffffa0f70855>] ? generic_lookup_cred+0x15/0x20 [sunrpc]
    Dec 10 00:45:41 MyComputer kernel: [ 9792.235009]  [<ffffffffa0f6f9a0>] ? rpcauth_lookupcred+0x70/0xc0 [sunrpc]
    Dec 10 00:45:41 MyComputer kernel: [ 9792.235012]  [<ffffffff81166c2f>] ? dput+0xdf/0x1b0
    Dec 10 00:45:41 MyComputer kernel: [ 9792.235017]  [<ffffffffa10c58a5>] nfs_permission+0x95/0x1d0 [nfs]
    Dec 10 00:45:41 MyComputer kernel: [ 9792.235020]  [<ffffffff8115cbc0>] exec_permission+0x30/0x90
    Dec 10 00:45:41 MyComputer kernel: [ 9792.235022]  [<ffffffff8115f919>] link_path_walk+0x89/0xab0
    Dec 10 00:45:41 MyComputer kernel: [ 9792.235023]  [<ffffffff811604a7>] path_walk+0x67/0xe0
    Dec 10 00:45:41 MyComputer kernel: [ 9792.235025]  [<ffffffff8116067b>] do_path_lookup+0x5b/0xa0
    Dec 10 00:45:41 MyComputer kernel: [ 9792.235027]  [<ffffffff81161347>] user_path_at+0x57/0xa0
    Dec 10 00:45:41 MyComputer kernel: [ 9792.235029]  [<ffffffff811200d9>] ? do_wp_page+0x369/0x900
    Dec 10 00:45:41 MyComputer kernel: [ 9792.235031]  [<ffffffff815899fe>] ? _raw_spin_lock+0xe/0x20
    Dec 10 00:45:41 MyComputer kernel: [ 9792.235034]  [<ffffffff812b7a0d>] ? _atomic_dec_and_lock+0x4d/0x80
    Dec 10 00:45:41 MyComputer kernel: [ 9792.235036]  [<ffffffff81157358>] ? cp_new_stat+0xf8/0x110
    Dec 10 00:45:41 MyComputer kernel: [ 9792.235038]  [<ffffffff8115742c>] vfs_fstatat+0x3c/0x80
    Dec 10 00:45:41 MyComputer kernel: [ 9792.235040]  [<ffffffff811574de>] vfs_lstat+0x1e/0x20
    Dec 10 00:45:41 MyComputer kernel: [ 9792.235042]  [<ffffffff81157504>] sys_newlstat+0x24/0x50
    Dec 10 00:45:41 MyComputer kernel: [ 9792.235044]  [<ffffffff8100a0f2>] system_call_fastpath+0x16/0x1b
    Desktop: KX Studio (Kubuntu 12.04)
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    Re: Maverick fails to suspend to ram

    I still have not found a solution. But I have more info.

    When I try to suspend after using my computer for some time, it will always fail. However, if I log out and log back in and then immediately suspend it will always succeed.

    Any ideas?
    Desktop: KX Studio (Kubuntu 12.04)
    Laptop & Netbook: Kubuntu 12.04
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    Re: Maverick fails to suspend to ram

    I have a hypothesis that the failure to suspend is related to my mounted NFS shares. Does anyone have suspend/resume working with mounted NFS shares? If so, is there a trick to it?
    Desktop: KX Studio (Kubuntu 12.04)
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    Re: Maverick fails to suspend to ram

    I found two bug reports that seem related:

    https://bugs.launchpad.net/ubuntu/+s...ls/+bug/506116

    https://bugs.launchpad.net/ubuntu/+s...ux/+bug/292698

    These are also related:

    https://bugs.launchpad.net/ubuntu/+s...ils/+bug/30594

    http://ubuntuforums.org/showthread.php?t=1225117

    Unfortunately, I have not found a solution. I'm still looking for help on this. Thanks.
    Desktop: KX Studio (Kubuntu 12.04)
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    Re: Maverick fails to suspend to ram

    Just a few thoughts -
    Maybe you could try a swap file slightly bigger than your RAM, say 10-15% bigger.
    The network share may be the issue, if the suspend process first disconnects the n/w and then tries to write something to your home directory.

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    Re: Maverick fails to suspend to ram

    Quote Originally Posted by cmoraes View Post
    Just a few thoughts -
    Maybe you could try a swap file slightly bigger than your RAM, say 10-15% bigger.
    The network share may be the issue, if the suspend process first disconnects the n/w and then tries to write something to your home directory.
    Thank you for your thoughts. I believe I have ruled out the swap file as the cause. It sure seems like I have narrowed it down via troubleshooting to something related to NFS shares...

    I just need to figure out what to try next.
    Desktop: KX Studio (Kubuntu 12.04)
    Laptop & Netbook: Kubuntu 12.04
    Tablet: Samsung Galaxy Tab 10.1
    Phone: Nexus 4 Cyanogenmod

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