** Changed in: network-manager
Status: New => Expired
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https://bugs.launchpad.net/bugs/516592
Title:
On suspend NetworkManager deconfigures the network, killing NFS mount
and hanging GNOME, etc.
Status in NetworkManager:
Expired
Status in “network-manager” package in Ubuntu:
Incomplete
Bug description:
Binary package hint: network-manager
When the system is going to sleep Network Manager unloads the network
interface even though the home directory is NFS loaded on that interface.
Obviously there is still more work happening on that directory and so the
system hangs on I/O in the case where NFS is mounted with the hard option.
This prevents power saving and the system is unusable as Network Manager dies
with the rest of Gnome all waiting for I/O
If you log in on one of the TTYs shutting the system down cleanly fails on
the kernel hung I/O and so the only way out is to press the reset button.
here is the syslog output showing network manager stopping the nic just
before the kernel says ouch I have no file system to talk to:
Feb 2 21:33:53 desktop kernel: [19339.921076] CPU0 attaching NULL
sched-domain.
Feb 2 21:33:53 desktop kernel: [19339.921090] CPU1 attaching NULL
sched-domain.
Feb 2 21:33:53 desktop kernel: [19339.961405] CPU0 attaching sched-domain:
Feb 2 21:33:53 desktop kernel: [19339.961414] domain 0: span 0-1 level
SIBLING
Feb 2 21:33:53 desktop kernel: [19339.961421] groups: 0 1
Feb 2 21:33:53 desktop kernel: [19339.961434] CPU1 attaching sched-domain:
Feb 2 21:33:53 desktop kernel: [19339.961439] domain 0: span 0-1 level
SIBLING
Feb 2 21:33:53 desktop kernel: [19339.961445] groups: 1 0
Feb 2 21:33:53 desktop anacron[2176]: Normal exit (0 jobs run)
Feb 2 21:33:54 desktop NetworkManager: <info> Sleeping...
Feb 2 21:33:54 desktop NetworkManager: <info> (eth0): now unmanaged
Feb 2 21:33:54 desktop NetworkManager: <info> (eth0): device state change:
8 -> 1 (reason 37)
Feb 2 21:33:54 desktop NetworkManager: <info> (eth0): deactivating device
(reason: 37).
Feb 2 21:33:54 desktop NetworkManager: <info> (eth0): canceled DHCP
transaction, dhcp client pid 839
Feb 2 21:33:54 desktop NetworkManager: <WARN> check_one_route(): (eth0)
error -34 returned from rtnl_route_del(): Sucess#012
Feb 2 21:33:54 desktop NetworkManager: <info> (eth0): cleaning up...
Feb 2 21:33:54 desktop NetworkManager: <info> (eth0): taking down device.
Feb 2 21:33:54 desktop NetworkManager: <info> (wlan0): now unmanaged
Feb 2 21:33:54 desktop NetworkManager: <info> (wlan0): device state change:
3 -> 1 (reason 37)
Feb 2 21:33:54 desktop NetworkManager: <info> (wlan0): cleaning up...
Feb 2 21:33:54 desktop NetworkManager: <info> (wlan0): taking down device.
Feb 2 21:33:55 desktop NetworkManager: <info> (eth0): carrier now OFF
(device state 1)
Feb 2 21:36:55 desktop kernel: [19521.570035] nfs: server nfs.office.local
not responding, still trying
Feb 2 21:36:56 desktop kernel: [19522.710031] nfs: server nfs.office.local
not responding, still trying
Feb 2 21:37:03 desktop kernel: [19529.660034] nfs: server nfs.office.local
not responding, still trying
Feb 2 21:37:17 desktop kernel: [19543.690033] nfs: server nfs.office.local
not responding, still trying
Feb 2 21:37:26 desktop kernel: [19552.670037] nfs: server nfs.office.local
not responding, still trying
Feb 2 21:37:27 desktop kernel: [19553.670029] nfs: server nfs.office.local
not responding, still trying
Feb 2 21:37:29 desktop kernel: [19555.660034] nfs: server nfs.office.local
not responding, still trying
Feb 2 21:37:33 desktop kernel: [19559.470051] nfs: server nfs.office.local
not responding, still trying
Feb 2 21:37:34 desktop kernel: [19560.950099] INFO: task sync:2239 blocked
for more than 120 seconds.
Feb 2 21:37:34 desktop kernel: [19560.950184] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Feb 2 21:37:34 desktop kernel: [19560.950267] sync D
00000000ffffffff 0 2239 2104 0x00000000
Feb 2 21:37:34 desktop kernel: [19560.950279] ffff8800228d1c58
0000000000000086 ffff880001a23880 0000000000015880
Feb 2 21:37:34 desktop kernel: [19560.950290] ffff880010115e70
0000000000015880 0000000000015880 0000000000015880
Feb 2 21:37:34 desktop kernel: [19560.950299] 0000000000015880
ffff880010115e70 0000000000015880 0000000000015880
Feb 2 21:37:34 desktop kernel: [19560.950309] Call Trace:
Feb 2 21:37:34 desktop kernel: [19560.950328] [<ffffffff810da7f0>] ?
sync_page+0x0/0x50
Feb 2 21:37:34 desktop kernel: [19560.950338] [<ffffffff81527c98>]
io_schedule+0x28/0x40
Feb 2 21:37:34 desktop kernel: [19560.950346] [<ffffffff810da82d>]
sync_page+0x3d/0x50
Feb 2 21:37:34 desktop kernel: [19560.950354] [<ffffffff815283c7>]
__wait_on_bit+0x57/0x80
Feb 2 21:37:34 desktop kernel: [19560.950363] [<ffffffff810da99e>]
wait_on_page_bit+0x6e/0x80
Feb 2 21:37:34 desktop kernel: [19560.950373] [<ffffffff81078b60>] ?
wake_bit_function+0x0/0x40
Feb 2 21:37:34 desktop kernel: [19560.950383] [<ffffffff810e4d20>] ?
pagevec_lookup_tag+0x20/0x30
Feb 2 21:37:34 desktop kernel: [19560.950391] [<ffffffff810dae45>]
wait_on_page_writeback_range+0xf5/0x190
Feb 2 21:37:34 desktop kernel: [19560.950401] [<ffffffff810e4d20>] ?
pagevec_lookup_tag+0x20/0x30
Feb 2 21:37:34 desktop kernel: [19560.950411] [<ffffffff81012bae>] ?
apic_timer_interrupt+0xe/0x20
Feb 2 21:37:34 desktop kernel: [19560.950421] [<ffffffff811357a6>] ?
generic_forget_inode+0x1b6/0x240
Feb 2 21:37:34 desktop kernel: [19560.950429] [<ffffffff810daf07>]
filemap_fdatawait+0x27/0x30
Feb 2 21:37:34 desktop kernel: [19560.950439] [<ffffffff8113fb56>]
generic_sync_sb_inodes+0x366/0x530
Feb 2 21:37:34 desktop kernel: [19560.950449] [<ffffffff8116f896>] ?
vfs_quota_sync+0x186/0x200
Feb 2 21:37:34 desktop kernel: [19560.950457] [<ffffffff810e39f8>] ?
do_writepages+0x28/0x50
Feb 2 21:37:34 desktop kernel: [19560.950466] [<ffffffff8113fdbe>]
sync_inodes_sb+0x9e/0xb0
Feb 2 21:37:34 desktop kernel: [19560.950475] [<ffffffff81143b90>]
__sync_filesystem+0x30/0x70
Feb 2 21:37:34 desktop kernel: [19560.950483] [<ffffffff81143c97>]
sync_filesystems+0xc7/0x120
Feb 2 21:37:34 desktop kernel: [19560.950492] [<ffffffff81143d4c>]
sys_sync+0x1c/0x40
Feb 2 21:37:34 desktop kernel: [19560.950500] [<ffffffff81012002>]
system_call_fastpath+0x16/0x1b
ProblemType: Bug
Architecture: amd64
CRDA: Error: [Errno 2] No such file or directory
Date: Wed Feb 3 15:23:26 2010
DistroRelease: Ubuntu 9.10
Gconf:
IfupdownConfig:
auto lo
iface lo inet loopback
IpRoute:
10.10.10.0/24 dev eth0 proto kernel scope link src 10.10.10.124 metric 1
169.254.0.0/16 dev eth0 scope link metric 1000
default via 10.10.10.2 dev eth0 proto static
NonfreeKernelModules: nvidia
Package: network-manager 0.8~a~git.20091013t193206.679d548-0ubuntu1
ProcEnviron:
LANG=en_GB.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-17.54-generic
SourcePackage: network-manager
Uname: Linux 2.6.31-17-generic x86_64
WpaSupplicantLog:
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