> -----Original Message----- > From: Stephen Hemminger [mailto:shemminger@xxxxxxxx] > Sent: 02 December 2004 19:11 > To: Mark Cave-Ayland > Cc: bridge@xxxxxxxxxxxxxx > Subject: Re: [Bridge] Problem with bridge/8139too module under 2.4.27? > (cut) > > Nov 14 13:22:13 src@Devil kernel: unregister_netdevice: waiting for > > br0 to become free. Usage count = 2 > > > > This message is repeatedly output to the console until I > manually go > > and power cycle it. I've traced this through the startup/shutdown > > scripts, and have determine that the problem exists in the > following > > sequence of > > commands: > > > > brctl addbr br0 > > brctl addif br0 eth0 > > brctl addif br0 eth1 > > ifconfig eth0 up > > ifconfig eth1 up > > > > ifconfig eth0 down > > ifconfig eth1 down > > brctl delif eth0 > > brctl delif eth1 > > ifconfig br0 down > > Take take the bridge down as well. The code on 2.4 is not as > robust or complete as 2.6 and probably needs that. > > > brctl delbr br0 <------ This is where the problem occurs Hi Stephen, Thanks for the advice - I wasn't sure if the list had been abandoned or someone had been away on holiday ;) I tried what you suggested and the problem still occurs when taking the bridge down. Here is the sequence of commands I used to take down the bridge based on your suggestion: ifconfig eth0 down ifconfig eth1 down brctl delif br0 eth0 brctl delif br0 eth1 ifconfig br0 down brctl delbr br0 ...and again the system hangs with the same unregister_netdevice error :(. I did try swapping the Realteks for another card, and while I couldn't get data in/out of the new cards due to driver issues, the kernel correctly loaded the module and created the ethX and brX interfaces, and again when I tried to reboot I still got the same error which leads me to believe it's something in the bridge code.... Any other suggestions???? I've included the output of "brctl show", "ifconfig" and "route" below (I've obscured the public facing IPs which is where the bridge operates): root@Devil:~ # brctl show bridge name bridge id STP enabled interfaces br0 8000.00d07001064e no eth0 eth1 root@Devil:~ # ifconfig br0 Link encap:Ethernet HWaddr 00:D0:70:01:06:4E inet addr:219.X.X.X Bcast:219.X.X.X Mask:255.255.255.248 inet6 addr: fe80::2d0:70ff:fe01:64e/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:270 errors:0 dropped:0 overruns:0 frame:0 TX packets:541 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:51170 (49.9 KiB) TX bytes:41669 (40.6 KiB) eth0 Link encap:Ethernet HWaddr 00:D0:70:01:06:4E inet6 addr: fe80::2d0:70ff:fe01:64e/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:245 errors:0 dropped:0 overruns:0 frame:0 TX packets:511 errors:0 dropped:0 overruns:0 carrier:0 collisions:7 txqueuelen:1000 RX bytes:51415 (50.2 KiB) TX bytes:40627 (39.6 KiB) Interrupt:21 Base address:0xda00 eth1 Link encap:Ethernet HWaddr 00:E0:4C:0D:1F:A8 inet6 addr: fe80::2e0:4cff:fe0d:1fa8/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:37 errors:0 dropped:0 overruns:0 frame:0 TX packets:57 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:4820 (4.7 KiB) TX bytes:3803 (3.7 KiB) Interrupt:22 Base address:0xdc00 eth2 Link encap:Ethernet HWaddr 00:D0:70:01:04:6E inet addr:192.168.2.1 Bcast:192.168.2.255 Mask:255.255.255.0 inet6 addr: fe80::2d0:70ff:fe01:46e/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:714 errors:0 dropped:0 overruns:0 frame:0 TX packets:318 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:56874 (55.5 KiB) TX bytes:54606 (53.3 KiB) Interrupt:17 Base address:0xdd00 eth3 Link encap:Ethernet HWaddr 00:40:05:8B:EA:5A inet addr:192.168.3.1 Bcast:192.168.3.255 Mask:255.255.255.0 inet6 addr: fe80::240:5ff:fe8b:ea5a/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:86 errors:0 dropped:0 overruns:0 frame:0 TX packets:2 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:9982 (9.7 KiB) TX bytes:208 (208.0 b) Interrupt:19 Base address:0xde00 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:30 errors:0 dropped:0 overruns:0 frame:0 TX packets:30 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:3603 (3.5 KiB) TX bytes:3603 (3.5 KiB) root@Devil:~ # route Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 255.255.255.255 * 255.255.255.255 UH 0 0 0 eth2 219.X.X.X * 255.255.255.248 U 0 0 0 br0 192.168.3.0 * 255.255.255.0 U 0 0 0 eth3 192.168.2.0 * 255.255.255.0 U 0 0 0 eth2 default 219.X.X.X 0.0.0.0 UG 0 0 0 br0 root@Devil:~ # uname -a Linux Devil 2.4.27-grsec #1 SMP Wed Oct 13 19:56:13 EST 2004 i686 GenuineIntel unknown GNU/Linux Kind regards, Mark. ------------------------ WebBased Ltd South West Technology Centre Tamar Science Park Plymouth PL6 8BT T: +44 (0)1752 791021 F: +44 (0)1752 791023 W: http://www.webbased.co.uk
