After some time the disconnect happened to me even when compiz was off, so compiz may simply speed disconnects up but does not cause it
** Description changed: network connection drops regularly when using network controller : Broadcom Corporation BCM4401-B0 100Base-TX (rev 02) and - compiz visual effects - and - more drops under heavy network load + under heavy network load original description : + -------------------------- Binary package hint: network-manager Network manager drops wired connections repeatedly. It seems to be correlated with accessing servers. Pages with lots of images (e.g. www.dilbert.com) seem to trigger the bug more readily than simple text only pages. The connection is immediately picked up again using DHCP. This is using Intrepid beta. from lspci: Ethernet controller: Broadcom Corporation BCM4401-B0 100Base-TX (rev 02) snippet from /var/log/daemon.log (private information has been replaced with X or hostname or domainname): Oct 6 15:25:01 whg21-laptop NetworkManager: <info> (eth0): carrier now OFF (device state 8) Oct 6 15:25:01 whg21-laptop NetworkManager: <info> (eth0): device state change: 8 -> 2 Oct 6 15:25:01 whg21-laptop NetworkManager: <info> (eth0): deactivating device. Oct 6 15:25:01 whg21-laptop NetworkManager: <info> eth0: canceled DHCP transaction, dhcp client pid 6923 Oct 6 15:25:01 whg21-laptop NetworkManager: <WARN> check_one_route(): (eth0) error -34 returned from rtnl_route_del(): Sucess Oct 6 15:25:01 whg21-laptop avahi-daemon[5367]: Withdrawing address record for XXX.XXX.XXX.137 on eth0. Oct 6 15:25:01 whg21-laptop avahi-daemon[5367]: Leaving mDNS multicast group on interface eth0.IPv4 with address XXX.XXX.XXX.137. Oct 6 15:25:01 whg21-laptop avahi-daemon[5367]: Interface eth0.IPv4 no longer relevant for mDNS. Oct 6 15:25:01 whg21-laptop NetworkManager: <info> Setting system hostname to 'whg21-laptop' (no default device) Oct 6 15:25:04 whg21-laptop NetworkManager: <info> (eth0): carrier now ON (device state 2) Oct 6 15:25:04 whg21-laptop NetworkManager: <info> (eth0): device state change: 2 -> 3 Oct 6 15:25:04 whg21-laptop NetworkManager: <info> Setting system hostname to 'whg21-laptop' (no default device) Oct 6 15:25:04 whg21-laptop NetworkManager: <info> Activation (eth0) starting connection 'Auto eth0' Oct 6 15:25:04 whg21-laptop NetworkManager: <info> (eth0): device state change: 3 -> 4 Oct 6 15:25:04 whg21-laptop NetworkManager: <info> Activation (eth0) Stage 1 of 5 (Device Prepare) scheduled... Oct 6 15:25:04 whg21-laptop NetworkManager: <info> Activation (eth0) Stage 1 of 5 (Device Prepare) started... Oct 6 15:25:04 whg21-laptop NetworkManager: <info> Activation (eth0) Stage 2 of 5 (Device Configure) scheduled... Oct 6 15:25:04 whg21-laptop NetworkManager: <info> Activation (eth0) Stage 1 of 5 (Device Prepare) complete. Oct 6 15:25:04 whg21-laptop NetworkManager: <info> Activation (eth0) Stage 2 of 5 (Device Configure) starting... Oct 6 15:25:04 whg21-laptop NetworkManager: <info> (eth0): device state change: 4 -> 5 Oct 6 15:25:04 whg21-laptop NetworkManager: <info> Activation (eth0) Stage 2 of 5 (Device Configure) successful. Oct 6 15:25:04 whg21-laptop NetworkManager: <info> Activation (eth0) Stage 3 of 5 (IP Configure Start) scheduled. Oct 6 15:25:04 whg21-laptop NetworkManager: <info> Activation (eth0) Stage 2 of 5 (Device Configure) complete. Oct 6 15:25:04 whg21-laptop NetworkManager: <info> Activation (eth0) Stage 3 of 5 (IP Configure Start) started... Oct 6 15:25:04 whg21-laptop NetworkManager: <info> (eth0): device state change: 5 -> 7 Oct 6 15:25:04 whg21-laptop NetworkManager: <info> Activation (eth0) Beginning DHCP transaction. Oct 6 15:25:04 whg21-laptop NetworkManager: <info> dhclient started with pid 8164 Oct 6 15:25:04 whg21-laptop NetworkManager: <info> Activation (eth0) Stage 3 of 5 (IP Configure Start) complete. Oct 6 15:25:04 whg21-laptop dhclient: Internet Systems Consortium DHCP Client V3.1.1 Oct 6 15:25:04 whg21-laptop dhclient: Copyright 2004-2008 Internet Systems Consortium. Oct 6 15:25:04 whg21-laptop dhclient: All rights reserved. Oct 6 15:25:04 whg21-laptop dhclient: For info, please visit http://www.isc.org/sw/dhcp/ Oct 6 15:25:04 whg21-laptop dhclient: Oct 6 15:25:04 whg21-laptop dhclient: wmaster0: unknown hardware address type 801 Oct 6 15:25:04 whg21-laptop dhclient: wmaster0: unknown hardware address type 801 Oct 6 15:25:04 whg21-laptop NetworkManager: <info> DHCP: device eth0 state changed normal exit -> preinit Oct 6 15:25:04 whg21-laptop dhclient: Listening on LPF/eth0/xx:xx:xx:xx:xx:xx Oct 6 15:25:04 whg21-laptop dhclient: Sending on LPF/eth0/xx:xx:xx:xx:xx:xx Oct 6 15:25:04 whg21-laptop dhclient: Sending on Socket/fallback Oct 6 15:25:04 whg21-laptop dhclient: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 7 Oct 6 15:25:04 whg21-laptop dhclient: DHCPOFFER of XXX.XXX.XXX.137 from XXX.XXX.XXX.251 Oct 6 15:25:04 whg21-laptop dhclient: DHCPREQUEST of XXX.XXX.XXX.137 on eth0 to 255.255.255.255 port 67 Oct 6 15:25:04 whg21-laptop dhclient: DHCPACK of XXX.XXX.XXX.137 from XXX.XXX.XXX.251 Oct 6 15:25:04 whg21-laptop NetworkManager: <info> DHCP: device eth0 state changed preinit -> bound Oct 6 15:25:04 whg21-laptop NetworkManager: <info> Activation (eth0) Stage 4 of 5 (IP Configure Get) scheduled... Oct 6 15:25:04 whg21-laptop NetworkManager: <info> Activation (eth0) Stage 4 of 5 (IP Configure Get) started... Oct 6 15:25:04 whg21-laptop NetworkManager: <info> address XXX.XXX.XXX.137 Oct 6 15:25:04 whg21-laptop NetworkManager: <info> prefix 22 (255.255.252.0) Oct 6 15:25:04 whg21-laptop NetworkManager: <info> gateway XXX.XXX.XXX.250 Oct 6 15:25:04 whg21-laptop NetworkManager: <info> hostname 'hostname' Oct 6 15:25:04 whg21-laptop NetworkManager: <info> nameserver 'XXX.XXX.XXX.10' Oct 6 15:25:04 whg21-laptop NetworkManager: <info> nameserver 'XXX.XXX.XXX.11' Oct 6 15:25:04 whg21-laptop NetworkManager: <info> domain name 'domainname' Oct 6 15:25:04 whg21-laptop NetworkManager: <info> Activation (eth0) Stage 5 of 5 (IP Configure Commit) scheduled... Oct 6 15:25:04 whg21-laptop NetworkManager: <info> Activation (eth0) Stage 4 of 5 (IP Configure Get) complete. Oct 6 15:25:04 whg21-laptop NetworkManager: <info> Activation (eth0) Stage 5 of 5 (IP Configure Commit) started... Oct 6 15:25:04 whg21-laptop avahi-daemon[5367]: Joining mDNS multicast group on interface eth0.IPv4 with address XXX.XXX.XXX.137. Oct 6 15:25:04 whg21-laptop dhclient: bound to XXX.XXX.XXX.137 -- renewal in 21028 seconds. Oct 6 15:25:04 whg21-laptop avahi-daemon[5367]: New relevant interface eth0.IPv4 for mDNS. Oct 6 15:25:04 whg21-laptop avahi-daemon[5367]: Registering new address record for XXX.XXX.XXX.137 on eth0.IPv4. Oct 6 15:25:05 whg21-laptop NetworkManager: <info> Setting system hostname to 'hostname' (no default device) Oct 6 15:25:05 whg21-laptop NetworkManager: <info> (eth0): device state change: 7 -> 8 Oct 6 15:25:05 whg21-laptop NetworkManager: <info> Policy set (eth0) as default device for routing and DNS. Oct 6 15:25:05 whg21-laptop NetworkManager: <info> Activation (eth0) successful, device activated. Oct 6 15:25:05 whg21-laptop NetworkManager: <info> Activation (eth0) Stage 5 of 5 (IP Configure Commit) complete. -- Unreliable network connection with B44 driver https://bugs.launchpad.net/bugs/279102 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs