lkml.org 
[lkml]   [2012]   [Jul]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Network namespace and bonding WARNING at fs/proc/generic.c remove_proc_entry
Quoting Dilip Daya (dilip.daya@hp.com):
> Hi,
>
> I'd discussed the following with Serge Hallyn.
>
> => Environment based on 3.2.18 / x86_64 kernel.
> => WARNING: at fs/proc/generic.c:808 remove_proc_entry+0xdb/0x21f()
> => WARNING: at fs/proc/generic.c:849 remove_proc_entry+0x208/0x21f()

Hi,

thanks much for sending this. I'm still getting this error on
3.5.0-2-generic (today's ubuntu quantal kernel)

> network namespace and bonding
> -----------------------------
>
> * Migrate two phy nics from host to netns (netns0).
> - ip link set ethX netns netns0
>
> * In host environment:
> - load bonding module, /sbin/modprobe -v bonding mode=1 miimon=100
> - /sys/class/net/bond0 exists.
> - /proc/net/bonding/bond0 exists.
> - /sys/class/net/bonding_masters has bond0.
>
> * Migrate bond0 to netns (netns0):
> - ip link set bond0 netns netns0.
>
> * Within netns (netns0):
> - /sys/class/net/bonding_masters is empty.
> - /sys/class/net/bond0 exist.
> - configure bond0 and ifenslave with two phy nics.
> - /proc/net/bonding/bond0 does not exist within netns0, but does
> exist in the host environment.
> - /sys/class/net/bonding_masters is empty.

mine is not empty, fwiw. However

> - ping to remote end of bond0 works.
>
> * Within netns (netns0), flushing ethX and bondY:
> - down bond0 and its phy nic interfaces:
> - ip link set ... down
> - ip addr flush dev [bond0 | eth#]
> - deleting bond0, /sbin/ip link del dev bond0

Yup I still get a remove_proc_entry WARNING at fs/proc/generic.c:808,
which is the warning when (!de)

-serge


\
 
 \ /
  Last update: 2012-07-06 00:41    [W:0.098 / U:61.728 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site