Comment 9 for bug 279102

Hi, I confirm this issue also with intrepid

It happens more often when there is heavy downloads going on

kern.log :
Oct 30 22:38:13 koen-desktop kernel: [14923.954560] b44: eth0: powering down PHY
Oct 30 22:38:14 koen-desktop kernel: [14923.989101] b44: eth0: Link is down.
Oct 30 22:38:17 koen-desktop kernel: [14926.988638] b44: eth0: Link is up at 100 Mbps, full duplex.
Oct 30 22:38:17 koen-desktop kernel: [14926.988651] b44: eth0: Flow control is off for TX and off for RX.

syslog :
Oct 30 22:38:13 koen-desktop kernel: [14923.954560] b44: eth0: powering down PHY
Oct 30 22:38:14 koen-desktop kernel: [14923.989101] b44: eth0: Link is down.
Oct 30 22:38:14 koen-desktop NetworkManager: <info> (eth0): carrier now OFF (device state 8)
Oct 30 22:38:14 koen-desktop NetworkManager: <info> (eth0): device state change: 8 -> 2
Oct 30 22:38:14 koen-desktop NetworkManager: <info> (eth0): deactivating device (reason: 0).
Oct 30 22:38:14 koen-desktop NetworkManager: <info> eth0: canceled DHCP transaction, dhcp client pid 24607
Oct 30 22:38:14 koen-desktop NetworkManager: <WARN> check_one_route(): (eth0) error -34 returned from rtnl_route_del(): Sucess
Oct 30 22:38:14 koen-desktop avahi-daemon[5025]: Withdrawing address record for 192.168.1.101 on eth0.
Oct 30 22:38:14 koen-desktop avahi-daemon[5025]: Leaving mDNS multicast group on interface eth0.IPv4 with address 192.168.1.101.
Oct 30 22:38:14 koen-desktop avahi-daemon[5025]: Interface eth0.IPv4 no longer relevant for mDNS.
Oct 30 22:38:17 koen-desktop NetworkManager: <info> (eth0): carrier now ON (device state 2)
Oct 30 22:38:17 koen-desktop NetworkManager: <info> (eth0): device state change: 2 -> 3
Oct 30 22:38:17 koen-desktop NetworkManager: <info> Activation (eth0) starting connection 'Auto eth0'
Oct 30 22:38:17 koen-desktop NetworkManager: <info> (eth0): device state change: 3 -> 4
Oct 30 22:38:17 koen-desktop NetworkManager: <info> Activation (eth0) Stage 1 of 5 (Device Prepare) scheduled...
Oct 30 22:38:17 koen-desktop NetworkManager: <info> Activation (eth0) Stage 1 of 5 (Device Prepare) started...
Oct 30 22:38:17 koen-desktop NetworkManager: <info> Activation (eth0) Stage 2 of 5 (Device Configure) scheduled...
Oct 30 22:38:17 koen-desktop NetworkManager: <info> Activation (eth0) Stage 1 of 5 (Device Prepare) complete.
Oct 30 22:38:17 koen-desktop NetworkManager: <info> Activation (eth0) Stage 2 of 5 (Device Configure) starting...
Oct 30 22:38:17 koen-desktop NetworkManager: <info> (eth0): device state change: 4 -> 5
Oct 30 22:38:17 koen-desktop NetworkManager: <info> Activation (eth0) Stage 2 of 5 (Device Configure) successful.
Oct 30 22:38:17 koen-desktop NetworkManager: <info> Activation (eth0) Stage 3 of 5 (IP Configure Start) scheduled.
Oct 30 22:38:17 koen-desktop NetworkManager: <info> Activation (eth0) Stage 2 of 5 (Device Configure) complete.
Oct 30 22:38:17 koen-desktop NetworkManager: <info> Activation (eth0) Stage 3 of 5 (IP Configure Start) started...
Oct 30 22:38:17 koen-desktop NetworkManager: <info> (eth0): device state change: 5 -> 7
Oct 30 22:38:17 koen-desktop NetworkManager: <info> Activation (eth0) Beginning DHCP transaction.
Oct 30 22:38:17 koen-desktop dhclient: Internet Systems Consortium DHCP Client V3.1.1
Oct 30 22:38:17 koen-desktop dhclient: Copyright 2004-2008 Internet Systems Consortium.
Oct 30 22:38:17 koen-desktop dhclient: All rights reserved.
Oct 30 22:38:17 koen-desktop dhclient: For info, please visit http://www.isc.org/sw/dhcp/
Oct 30 22:38:17 koen-desktop dhclient:
Oct 30 22:38:17 koen-desktop kernel: [14926.988638] b44: eth0: Link is up at 100 Mbps, full duplex.
Oct 30 22:38:17 koen-desktop NetworkManager: <info> dhclient started with pid 1195
Oct 30 22:38:17 koen-desktop NetworkManager: <info> Activation (eth0) Stage 3 of 5 (IP Configure Start) complete.
Oct 30 22:38:17 koen-desktop kernel: [14926.988651] b44: eth0: Flow control is off for TX and off for RX.
Oct 30 22:38:17 koen-desktop dhclient: wmaster0: unknown hardware address type 801
Oct 30 22:38:17 koen-desktop dhclient: wmaster0: unknown hardware address type 801
Oct 30 22:38:17 koen-desktop NetworkManager: <info> DHCP: device eth0 state changed normal exit -> preinit
Oct 30 22:38:17 koen-desktop dhclient: Listening on LPF/eth0/00:13:72:37:b8:b0
Oct 30 22:38:17 koen-desktop dhclient: Sending on LPF/eth0/00:13:72:37:b8:b0
Oct 30 22:38:17 koen-desktop dhclient: Sending on Socket/fallback
Oct 30 22:38:19 koen-desktop dhclient: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 8
Oct 30 22:38:19 koen-desktop dhclient: DHCPOFFER of 192.168.1.101 from 192.168.1.1
Oct 30 22:38:19 koen-desktop dhclient: DHCPREQUEST of 192.168.1.101 on eth0 to 255.255.255.255 port 67
Oct 30 22:38:19 koen-desktop dhclient: DHCPACK of 192.168.1.101 from 192.168.1.1
Oct 30 22:38:19 koen-desktop dhclient: bound to 192.168.1.101 -- renewal in 42779 seconds.
Oct 30 22:38:19 koen-desktop NetworkManager: <info> DHCP: device eth0 state changed preinit -> bound
Oct 30 22:38:19 koen-desktop NetworkManager: <info> Activation (eth0) Stage 4 of 5 (IP Configure Get) scheduled...
Oct 30 22:38:19 koen-desktop NetworkManager: <info> Activation (eth0) Stage 4 of 5 (IP Configure Get) started...
Oct 30 22:38:19 koen-desktop NetworkManager: <info> address 192.168.1.101
Oct 30 22:38:19 koen-desktop NetworkManager: <info> prefix 24 (255.255.255.0)
Oct 30 22:38:19 koen-desktop NetworkManager: <info> gateway 192.168.1.1
Oct 30 22:38:19 koen-desktop NetworkManager: <info> nameserver '195.130.130.1'
Oct 30 22:38:19 koen-desktop NetworkManager: <info> nameserver '195.130.131.1'
Oct 30 22:38:19 koen-desktop NetworkManager: <info> domain name 'telenet.be'
Oct 30 22:38:19 koen-desktop NetworkManager: <info> Activation (eth0) Stage 5 of 5 (IP Configure Commit) scheduled...
Oct 30 22:38:19 koen-desktop NetworkManager: <info> Activation (eth0) Stage 4 of 5 (IP Configure Get) complete.
Oct 30 22:38:19 koen-desktop NetworkManager: <info> Activation (eth0) Stage 5 of 5 (IP Configure Commit) started...
Oct 30 22:38:19 koen-desktop avahi-daemon[5025]: Joining mDNS multicast group on interface eth0.IPv4 with address 192.168.1.101.
Oct 30 22:38:19 koen-desktop avahi-daemon[5025]: New relevant interface eth0.IPv4 for mDNS.
Oct 30 22:38:19 koen-desktop avahi-daemon[5025]: Registering new address record for 192.168.1.101 on eth0.IPv4.
Oct 30 22:38:20 koen-desktop NetworkManager: <info> (eth0): device state change: 7 -> 8
Oct 30 22:38:20 koen-desktop NetworkManager: <info> Policy set 'Auto eth0' (eth0) as default for routing and DNS.
Oct 30 22:38:20 koen-desktop NetworkManager: <info> Activation (eth0) successful, device activated.
Oct 30 22:38:20 koen-desktop NetworkManager: <info> Activation (eth0) Stage 5 of 5 (IP Configure Commit) complete.
Oct 30 22:38:20 koen-desktop ntpd[24733]: ntpd exiting on signal 15
Oct 30 22:38:26 koen-desktop ntpdate[1282]: adjust time server 193.79.237.14 offset -0.015082 sec
Oct 30 22:38:26 koen-desktop ntpd[1316]: ntpd 4.2.4p4@1.1520-o Wed Aug 20 17:03:52 UTC 2008 (1)
Oct 30 22:38:26 koen-desktop ntpd[1317]: precision = 1.000 usec
Oct 30 22:38:26 koen-desktop ntpd[1317]: Listening on interface #0 wildcard, 0.0.0.0#123 Disabled
Oct 30 22:38:26 koen-desktop ntpd[1317]: Listening on interface #1 lo, 127.0.0.1#123 Enabled
Oct 30 22:38:26 koen-desktop ntpd[1317]: Listening on interface #2 eth0, 192.168.1.101#123 Enabled
Oct 30 22:38:26 koen-desktop ntpd[1317]: kernel time sync status 0040
Oct 30 22:38:26 koen-desktop ntpd[1317]: frequency initialized -53.216 PPM from /var/lib/ntp/ntp.drift
Oct 30 22:38:26 koen-desktop ntpd[1317]: getaddrinfo: "::1" invalid host address, ignored

dmesg :
Oct 30 22:45:40 koen-desktop kernel: [15370.915590] b44: eth0: powering down PHY
Oct 30 22:45:41 koen-desktop kernel: [15370.989112] b44: eth0: Link is down.
Oct 30 22:45:44 koen-desktop kernel: [15373.989192] b44: eth0: Link is up at 100 Mbps, full duplex.
Oct 30 22:45:44 koen-desktop kernel: [15373.989211] b44: eth0: Flow control is off for TX and off for RX.

lspci -vvnn attached