That sounds a lot like the bug I reported earlier in dapper, see here <a href="https://launchpad.net/distros/ubuntu/+bug/39923">https://launchpad.net/distros/ubuntu/+bug/39923</a> For me, a kernel upgrade fixed it. What kernel are you using, and what version of ubuntu? -- Henk <div>On 5/11/06, Fourat Zouari <<a href="mailto:fourat@gmail.com">fourat@gmail.com</a>> wrote:<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> <div>Am having network problems with ubuntu on my laptop, the computer freezes when downloading or uploading a big file (over 500Mb) via scp or ftp to/form other computers in the network, other symptoms is that it freezes when executing tcpdump at shell console. Any one can help ? here's my lspci output : -------------------------------------------- 0000:02:04.0 Ethernet controller: Atheros Communications, Inc.: Unknown device 001a (rev 01) 0000:02:06.0 CardBus bridge: Texas Instruments PCI1410 PC card Cardbus Controller (rev 02) 0000:02:07.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10) 0000:02:0a.0 FireWire (IEEE 1394): Texas Instruments TSB43AB21 IEEE-1394a-2000 Controller (PHY/Link) -------------------------------------------- I have 2 network adapters, eth and wifi. How to know wich hardware is used as eth0 and ath0 (wifi) Why is it saying 'Unknown device' ? lan and wifi are working fine. </div> -- ubuntu-users mailing list <a onclick="return top.js.OpenExtLink(window,event,this)" href="mailto:ubuntu-users@lists.ubuntu.com">ubuntu-users@lists.ubuntu.com</a> <a onclick="return top.js.OpenExtLink(window,event,this)" href="https://lists.ubuntu.com/mailman/listinfo/ubuntu-users" target="_blank"> https://lists.ubuntu.com/mailman/listinfo/ubuntu-users</a> </blockquote></div> -- <a href="http://post.ma.cx">http://post.ma.cx</a>