Bug#642409: linux-2.6: "suspend" from gnome shutdown fails when krb5/nfs4 user logged in

[John Hughes <john@Calva.COM>]

On 22/09/11 19:42, Jonathan Nieder wrote:
> So it
> could be worth testing 3.1-rc6 from experimental, too.
>    

I built my own kernel from github (3.1-rc7).

Linux version 3.1.0-rc7 (john@medic) (gcc version 4.4.5 (Debian 4.4.5-8) 
) #1 SMP Fri Sep 23 12:15:59 CEST 2011

Same problem.

[   95.568860] PM: Syncing filesystems ... done.
[   95.569423] PM: Preparing system for mem sleep
[   95.798364] Freezing user space processes ...
[  115.809770] Freezing of tasks failed after 20.01 seconds (3 tasks refusing to freeze, wq_busy=0):
[  115.809789] nm-applet       D ffff880125306970     0  2230   2122 0x00800004
[  115.809795]  ffff880125306970 0000000000000086 ffff88012ec12f80 ffff880125377790
[  115.809801]  0000000000012f80 ffff88012465ffd8 ffff88012465ffd8 0000000000012f80
[  115.809813]  ffff880125306970 ffff88012465e010 ffff88012ec12f80 ffffffff81044162
[  115.809816] Call Trace:
[  115.809822]  [<ffffffff81044162>] ? ttwu_do_wakeup+0x51/0xc8
[  115.809832]  [<ffffffffa03137dc>] ? rpc_queue_empty+0x26/0x26 [sunrpc]
[  115.809837]  [<ffffffffa031380b>] ? rpc_wait_bit_killable+0x2f/0x33 [sunrpc]
[  115.809840]  [<ffffffff81346f79>] ? __wait_on_bit+0x3e/0x6f
[  115.809841]  [<ffffffff81347018>] ? out_of_line_wait_on_bit+0x6e/0x77
[  115.809845]  [<ffffffffa03137dc>] ? rpc_queue_empty+0x26/0x26 [sunrpc]
[  115.809848]  [<ffffffff81063bf7>] ? autoremove_wake_function+0x2a/0x2a
[  115.809852]  [<ffffffffa030db02>] ? rpc_run_task+0x71/0x79 [sunrpc]
[  115.809860]  [<ffffffffa038242f>] ? nfs4_run_open_task+0xde/0x10b [nfs]
[  115.809867]  [<ffffffffa039174d>] ? nfs4_get_open_state+0x154/0x1ac [nfs]
[  115.809873]  [<ffffffffa0383041>] ? nfs4_do_open+0x11a/0x33a [nfs]
[  115.809878]  [<ffffffffa0314b14>] ? put_rpccred+0x35/0x11b [sunrpc]
[  115.809883]  [<ffffffffa038327c>] ? nfs4_atomic_open+0x1b/0x33 [nfs]
[  115.809887]  [<ffffffffa036cd2b>] ? nfs_open_revalidate+0x113/0x1db [nfs]
[  115.809890]  [<ffffffff8110b174>] ? walk_component+0x26c/0x3cb
[  115.809892]  [<ffffffff8110b3c8>] ? do_last+0xf5/0x56a
[  115.809895]  [<ffffffff8110bdaa>] ? path_openat+0xce/0x31f
[  115.809897]  [<ffffffff8110c0c8>] ? do_filp_open+0x2c/0x72
[  115.809899]  [<ffffffff81115a34>] ? alloc_fd+0x69/0x10b
[  115.809901]  [<ffffffff810ff715>] ? do_sys_open+0x61/0xe8
[  115.809904]  [<ffffffff8134d252>] ? system_call_fastpath+0x16/0x1b
...