I can confirm the problem with Intel network cards under 64-bit Ubuntu Jaunty and Karmic (Alpha 3). I have 4 PCs with Intel 82541 controller:
lspci: 01:06.0 Ethernet controller: Intel Corporation 82541PI Gigabit Ethernet Controller (rev 05) dmsg reports the following problem: [ 739.865676] e1000: eth0: e1000_watchdog: NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX [ 745.804201] e1000: eth0: e1000_clean_tx_irq: Detected Tx Unit Hang [ 745.804205] Tx Queue <0> [ 745.804206] TDH <2> [ 745.804208] TDT <2> [ 745.804209] next_to_use <2> [ 745.804211] next_to_clean <0> [ 745.804212] buffer_info[next_to_clean] [ 745.804213] time_stamp <10001b093> [ 745.804215] next_to_watch <0> [ 745.804216] jiffies <10001b35b> [ 745.804218] next_to_watch.status <0> [ 747.804227] e1000: eth0: e1000_clean_tx_irq: Detected Tx Unit Hang [ 747.804231] Tx Queue <0> [ 747.804233] TDH <2> [ 747.804234] TDT <2> [ 747.804235] next_to_use <2> [ 747.804237] next_to_clean <0> [ 747.804238] buffer_info[next_to_clean] [ 747.804239] time_stamp <10001b093> [ 747.804241] next_to_watch <0> [ 747.804242] jiffies <10001b54f> [ 747.804244] next_to_watch.status <0> This message is repeated every 5 seconds. uname (of the Jaunty system): Linux south 2.6.28-14-generic #47-Ubuntu SMP Sat Jul 25 01:19:55 UTC 2009 x86_64 GNU/Linux lsmod: Module Size Used by binfmt_misc 18572 1 bridge 63904 0 stp 11140 1 bridge bnep 22912 2 autofs4 38536 0 video 29204 0 output 11648 1 video input_polldev 12688 0 lp 19588 0 snd_hda_intel 557492 4 snd_pcm_oss 52352 0 snd_mixer_oss 24960 1 snd_pcm_oss snd_pcm 99464 2 snd_hda_intel,snd_pcm_oss snd_seq_dummy 11524 0 snd_seq_oss 41984 0 snd_seq_midi 15744 0 snd_rawmidi 33920 1 snd_seq_midi snd_seq_midi_event 16512 2 snd_seq_oss,snd_seq_midi snd_seq 66272 6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event snd_timer 34064 2 snd_pcm,snd_seq snd_seq_device 16276 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq ppdev 16904 0 psmouse 64028 0 snd 78920 17 snd_hda_intel,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device soundcore 16800 1 snd snd_page_alloc 18704 2 snd_hda_intel,snd_pcm serio_raw 14468 0 pcspkr 11136 0 parport_pc 45096 1 parport 49584 3 lp,ppdev,parport_pc k8temp 13440 0 reiserfs 254336 2 forcedeth 68368 0 3c59x 54964 0 mii 14464 1 3c59x e1000 144580 0 fbcon 49792 0 tileblit 11264 1 fbcon font 17024 1 fbcon bitblit 14464 1 fbcon softcursor 10368 1 bitblit ** Changed in: linux (Ubuntu) Status: New => Confirmed -- Intel e1000 gigabit desktop pro network card does not work Ubuntu 64 bit https://bugs.launchpad.net/bugs/300100 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