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#1 2012-02-28 16:21:04

kyle.m
Member
Registered: 2012-02-28
Posts: 1

System hang when using networkmanager

I've recently switched from Ubuntu to Arch on the recommendation of a friend.  I'm happy with most things, but cannot seem to get networkmanager to cooperate.  It works fine on my home network (WPA2), but causes the entire system to hang whenever I attempt to connect to my university's unencrypted public wifi.  The entire system becomes unresponsive (cannot open/close windows), and trying to sudo anything hangs (including rc.d stop networkmanager).  The only thing I can do is sudo su and edit /etc/rc.conf as root to remove the networkmanager daemon, then hard-reset the laptop.  Over the past few days I've attempted to give wicd and netcfg a try.  Wicd seems unable to hold a persistent connection, but it at least doesn't cause the entire system to hang.  Netcfg works well, but I'd prefer to get networkmanager working for usability reasons.  The following is my daemon array.

DAEMONS=(dbus networkmanager syslog-ng crond alsa)

The following is my wireless chipset.

$ lspci -nn | grep -i atheros
18:00.0 Network controller [0280]: Atheros Communications Inc. AR928X Wireless Network Adapter (PCI-Express) [168c:002a] (rev 01)

I should also mention that I'm using Gnome/gdm, and I never had any issues with networkmanager under Ubuntu.  I'd really like to get networkmanager working well because it integrates well with Gnome.  I can provide any additional information if necessary.

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#2 2012-03-01 16:57:30

hadrons123
Member
From: chennai
Registered: 2011-10-07
Posts: 1,249

Re: System hang when using networkmanager

Did you try this

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#3 2012-03-02 20:27:19

tomegun
Developer
From: France
Registered: 2010-05-28
Posts: 661

Re: System hang when using networkmanager

kyle.m wrote:

I've recently switched from Ubuntu to Arch on the recommendation of a friend.  I'm happy with most things, but cannot seem to get networkmanager to cooperate.  It works fine on my home network (WPA2), but causes the entire system to hang whenever I attempt to connect to my university's unencrypted public wifi.  The entire system becomes unresponsive (cannot open/close windows), and trying to sudo anything hangs (including rc.d stop networkmanager).  The only thing I can do is sudo su and edit /etc/rc.conf as root to remove the networkmanager daemon, then hard-reset the laptop.  Over the past few days I've attempted to give wicd and netcfg a try.  Wicd seems unable to hold a persistent connection, but it at least doesn't cause the entire system to hang.  Netcfg works well, but I'd prefer to get networkmanager working for usability reasons.  The following is my daemon array.

DAEMONS=(dbus networkmanager syslog-ng crond alsa)

The following is my wireless chipset.

$ lspci -nn | grep -i atheros
18:00.0 Network controller [0280]: Atheros Communications Inc. AR928X Wireless Network Adapter (PCI-Express) [168c:002a] (rev 01)

I should also mention that I'm using Gnome/gdm, and I never had any issues with networkmanager under Ubuntu.  I'd really like to get networkmanager working well because it integrates well with Gnome.  I can provide any additional information if necessary.

There is a known kernel bug that is triggered by NM and ipv6. If you disable ipv6 for your connection in NM the problem stops (and you still get an ipv6 address...). Don't know if this is your issue though.

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