From: Greg KH <greg@kroah.com>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: netdev <netdev@vger.kernel.org>,
"Eric W. Biederman" <ebiederm@xmission.com>
Subject: Re: sysfs class/net/ problem
Date: Wed, 2 Jun 2010 08:46:08 -0700 [thread overview]
Message-ID: <20100602154608.GB12361@kroah.com> (raw)
In-Reply-To: <1275484611.3915.11.camel@jlt3.sipsolutions.net>
On Wed, Jun 02, 2010 at 03:16:51PM +0200, Johannes Berg wrote:
> Hi,
>
> I didn't find anything related in the archives, if I missed it I'd
> appreciate a pointer. I'm currently experiencing the following:
>
> # ip link
> 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
> link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
> 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 1000
> link/ether 52:54:00:12:34:56 brd ff:ff:ff:ff:ff:ff
> # ls -l /sys/class/net/
> total 0
> lrwxrwxrwx 1 root root 0 Jun 2 13:12 eth0 -> ../../devices/pci0000:00/0000:00:03.0/net/eth0
> lrwxrwxrwx 1 root root 0 Jun 2 13:12 lo -> ../../devices/virtual/net/lo
> # insmod cfg80211.ko ; insmod mac80211.ko ; insmod mac80211_hwsim.ko radios=3
> # ip link
> 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
> link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
> 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 1000
> link/ether 52:54:00:12:34:56 brd ff:ff:ff:ff:ff:ff
> 5: wlan0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
> link/ether 02:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff
> 6: wlan1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
> link/ether 02:00:00:00:01:00 brd ff:ff:ff:ff:ff:ff
> 7: wlan2: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
> link/ether 02:00:00:00:02:00 brd ff:ff:ff:ff:ff:ff
> 8: hwsim0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN
> link/ieee802.11/radiotap 12:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff
> # ls -l /sys/class/net/
> total 0
> lrwxrwxrwx 1 root root 0 Jun 2 13:12 eth0 -> ../../devices/pci0000:00/0000:00:03.0/net/eth0
> lrwxrwxrwx 1 root root 0 Jun 2 13:14 hwsim0 -> ../../devices/virtual/net/hwsim0
> lrwxrwxrwx 1 root root 0 Jun 2 13:12 lo -> ../../devices/virtual/net/lo
> lrwxrwxrwx 1 root root 0 Jun 2 13:14 wlan0 -> ../../devices/virtual/mac80211_hwsim/hwsim0/wlan0
> lrwxrwxrwx 1 root root 0 Jun 2 13:14 wlan1 -> ../../devices/virtual/mac80211_hwsim/hwsim1/wlan1
> lrwxrwxrwx 1 root root 0 Jun 2 13:14 wlan2 -> ../../devices/virtual/mac80211_hwsim/hwsim2/wlan2
> # rmmod mac80211_hwsim mac80211 cfg80211
> # ip link
> 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
> link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
> 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 1000
> link/ether 52:54:00:12:34:56 brd ff:ff:ff:ff:ff:ff
> # ls -l /sys/class/net/
> total 0
> lrwxrwxrwx 1 root root 0 Jun 2 13:12 eth0 -> ../../devices/pci0000:00/0000:00:03.0/net/eth0
> lrwxrwxrwx 1 root root 0 Jun 2 13:12 lo -> ../../devices/virtual/net/lo
> lrwxrwxrwx 1 root root 0 Jun 2 13:14 wlan0 -> ../../devices/virtual/mac80211_hwsim/hwsim0/wlan0
> lrwxrwxrwx 1 root root 0 Jun 2 13:14 wlan1 -> ../../devices/virtual/mac80211_hwsim/hwsim1/wlan1
> lrwxrwxrwx 1 root root 0 Jun 2 13:14 wlan2 -> ../../devices/virtual/mac80211_hwsim/hwsim2/wlan2
Ah, so the network devices aren't getting removed?
Do you have network namespaces enabled in your kernel or disabled?
And this is 2.6.35-rc1, right?
Eric, any ideas?
thanks,
greg k-h
next prev parent reply other threads:[~2010-06-02 15:46 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-02 13:16 sysfs class/net/ problem Johannes Berg
2010-06-02 15:46 ` Greg KH [this message]
2010-06-02 15:48 ` Johannes Berg
2010-06-02 16:17 ` Eric W. Biederman
2010-06-02 16:21 ` Johannes Berg
2010-06-02 16:43 ` Eric W. Biederman
2010-06-02 17:00 ` Johannes Berg
2010-06-02 17:23 ` Eric W. Biederman
2010-06-02 17:52 ` Johannes Berg
2010-06-02 18:05 ` Eric W. Biederman
2010-06-02 18:55 ` Johannes Berg
2010-06-02 19:12 ` Johannes Berg
2010-06-02 19:25 ` Johannes Berg
2010-06-02 23:09 ` Eric W. Biederman
2010-06-03 0:53 ` [RFC][PATCH] Fix another namespace issue with devices assigned to classes Eric W. Biederman
2010-06-03 9:30 ` Kay Sievers
2010-06-03 10:00 ` Eric W. Biederman
2010-06-04 6:54 ` Johannes Berg
2010-06-04 8:15 ` Kay Sievers
2010-06-04 8:28 ` Johannes Berg
2010-06-04 8:34 ` Kay Sievers
2010-06-06 13:08 ` Johannes Berg
2010-06-06 17:17 ` Kay Sievers
2010-06-07 9:42 ` Johannes Berg
2010-06-07 9:53 ` Kay Sievers
2010-06-07 10:14 ` Johannes Berg
2010-06-07 11:05 ` Kay Sievers
2010-06-07 11:41 ` Johannes Berg
2010-06-07 12:26 ` Kay Sievers
2010-06-07 12:36 ` Johannes Berg
2010-06-07 12:54 ` Kay Sievers
2010-06-08 9:27 ` Johannes Berg
2010-06-08 9:30 ` Kay Sievers
2010-06-08 9:45 ` Johannes Berg
2010-06-08 11:55 ` Kay Sievers
2010-06-08 12:03 ` Johannes Berg
2010-06-08 13:54 ` Kay Sievers
2010-06-08 14:06 ` Johannes Berg
2010-06-08 14:21 ` Kay Sievers
2010-06-08 14:26 ` Johannes Berg
2010-06-08 14:47 ` Kay Sievers
2010-06-08 15:06 ` Johannes Berg
2010-06-08 16:26 ` Kay Sievers
2010-06-08 16:33 ` Johannes Berg
2010-06-08 16:39 ` Kay Sievers
2010-06-11 9:55 ` Johannes Berg
2010-06-14 9:13 ` Kay Sievers
2010-06-14 9:20 ` Johannes Berg
2010-06-14 9:39 ` Kay Sievers
2010-06-20 6:20 ` [PATCH] Driver-core: Always create class directories fixing the broken network drivers Eric W. Biederman
2010-06-20 10:52 ` Kay Sievers
2010-06-20 11:33 ` Johannes Berg
2010-06-20 11:46 ` Kay Sievers
2010-06-20 12:29 ` Eric W. Biederman
2010-06-20 13:37 ` Kay Sievers
2010-06-20 12:46 ` [PATCH] Driver-core: Always create network class directories in get_device_parent Eric W. Biederman
2010-06-21 22:20 ` Greg KH
2010-06-21 23:00 ` Eric W. Biederman
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