On Feb 20, 2008 2:10 PM, Rich Healey <[EMAIL PROTECTED]> wrote: > Forrest Y. Yu wrote: > > The network problem happened to me again today. > Here's your questions and my answers: > > What happens when you try to access the network? > - When I try to open a web page, I just get no reply. > Sometimes I get a reply after long time. > > Can you ping the router? Other hosts on the lan? Other hosts > on the internet? By name? By IP? > - I can ping the router: > $ ping 192.168.1.1 > PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data. > 64 bytes from 192.168.1.1: icmp_seq=1 ttl=64 time=64.1 ms > 64 bytes from 192.168.1.1: icmp_seq=2 ttl=64 time=1.05 ms > 64 bytes from 192.168.1.1: icmp_seq=3 ttl=64 time=1.06 ms > 64 bytes from 192.168.1.1: icmp_seq=4 ttl=64 time=2.13 ms > > --- 192.168.1.1 ping statistics --- > 4 packets transmitted, 4 received, 0% packet loss, time > 2999ms > rtt min/avg/max/mdev = 1.057/17.102/64.149/27.166 ms > $ > I can ping other hosts on the lan: > $ ping 192.168.1.11 > PING 192.168.1.11 (192.168.1.11) 56(84) bytes of data. > 64 bytes from 192.168.1.11: icmp_seq=1 ttl=64 time=3.97 ms > 64 bytes from 192.168.1.11: icmp_seq=2 ttl=64 time=0.845ms > 64 bytes from 192.168.1.11: icmp_seq=3 ttl=64 time=0.854ms > 64 bytes from 192.168.1.11: icmp_seq=4 ttl=64 time=0.852ms > > --- 192.168.1.11 ping statistics --- > 4 packets transmitted, 4 received, 0% packet loss, time > 2997ms > rtt min/avg/max/mdev = 0.845/1.631/3.973/1.352 ms > $ > I can ping other hosts on the internet: > $ ping www.debian.org > PING www.debian.org (194.109.137.218) 56(84) bytes of > data. > 64 bytes from klecker.debian.org (194.109.137.218): > icmp_seq=1 ttl=47 time=401 ms > 64 bytes from klecker.debian.org (194.109.137.218): > icmp_seq=2 ttl=47 time=415 ms > 64 bytes from klecker.debian.org (194.109.137.218): > icmp_seq=3 ttl=47 time=404 ms > 64 bytes from klecker.debian.org (194.109.137.218): > icmp_seq=4 ttl=47 time=404 ms > > --- www.debian.org ping statistics --- > 4 packets transmitted, 4 received, 0% packet loss, time > 3321ms > rtt min/avg/max/mdev = 401.797/406.603/415.951/5.495 ms > $ > $ ping www.google.com > PING www-china.l.google.com (64.233.189.104) 56(84) bytes > of data. > 64 bytes from hk-in-f104.google.com (64.233.189.104): > icmp_seq=1 ttl=240 time=58.9 ms > 64 bytes from hk-in-f104.google.com (64.233.189.104): > icmp_seq=2 ttl=240 time=55.1 ms > 64 bytes from hk-in-f104.google.com (64.233.189.104): > icmp_seq=3 ttl=240 time=54.2 ms > 64 bytes from hk-in-f104.google.com (64.233.189.104): > icmp_seq=4 ttl=240 time=60.5 ms > > --- www-china.l.google.com ping statistics --- > 4 packets transmitted, 4 received, 0% packet loss, time > 3003ms > rtt min/avg/max/mdev = 54.227/57.232/60.585/2.627 ms > $ > > By speed, do you mean latency or data transfer time? > - I don't know. When I access a web page, it is finished after > long time. Sometimes it just fails. > > What are the ping times like (before and after suspend?) > - Pinging seems ok even when internet is inaccessable. > > How long does name resolution take? > - Name resolution seems ok. > > Do protocols other than HTTP also suffer? What about other > browsers? > - Other browsers such as Epiphany and w3m don't work either. > > And also, when this happened, I plugged the wire and tried the wired > network, it failed too. > > Thank you very much. > > Best Regards, > Forrest > > On Jan 25, 2008 10:12 PM, Celejar <[EMAIL PROTECTED]> wrote: > > On Fri, 25 Jan 2008 16:13:12 +0800 > > > > "Forrest Y. Yu" <[EMAIL PROTECTED]> wrote: > > > > > On Jan 25, 2008 3:07 PM, Celejar <[EMAIL PROTECTED]> wrote: > > > > > > > > On Fri, 25 Jan 2008 14:50:23 +0800 > > > > "Forrest Y. Yu" <[EMAIL PROTECTED]> wrote: > > > > > > > > > Hi Everyone, > > > > > > > > > > I have a laptop Acer Aspire 5610Z, which uses Atheros AR5005G as > the > > > > > network controller. Everything is ok, however, sometime when I > resume > > > the > > > > > machine, I cannot access the network anymore. > > > > > > > > Details. What happens when you try to access the network? Can you > > > > ping the router? Other hosts on the lan? Other hosts on the > > > > internet? By name? By IP? > > > > > > Actually, when I use firefox to access a website, it sometimes > succeeds, but > > > the speed is very very slow. It'll take about 5~10 minutes to open a > Google > > > main page. Sometimes it fails to open any pages. > > > > > > I can ping the router. I can even access the route via the web admin > > > interface of the router. The speed looks good too. That's the most > weird > > > thing. > > > > > > I have only one host in the lan -- my laptop. Maybe I should connect > one > > > more computer for testing. > > > > > > I tried to ping a website by name, it seems reachable. As I mentioned, > > > sometimes web pages is reachable. The speed is intolerable. > > > > By speed, do you mean latency or data transfer time? What are the ping > > times like (before and after suspend? How long does name resolution > > take? Do protocols other than HTTP also suffer? What about other > > browsers? > > > > > > > > > > > > > > What confuses me most is, I can still access my Router, whose > model is a > > > > > TP-LINK TL-WR541G/542G. > > > > > > > > > > Neither restarting NetworkManager nor reloading the ath_pci solved > the > > > > > problem. Everything becomes good again after rebooting, but > obviously > > > reboot > > > > > is not a good solution. > > > > > > > > > Cheers, > > > > > Forrest > > > > > > > > Celejar > > > > Celejar > > -- > > mailmin.sourceforge.net - remote access via secure (OpenPGP) email > > ssuds.sourceforge.net - A Simple Sudoku Solver and Generator > > > > > > > > -- > Stupid is as stupid does. > > Why not ifdown [primary interface] && ifup [primary interface] ? > it's most likely dropping the routing table, one of my old lappy's used to > do that,. > > Regards > > > Rich Healey >
Thank you Rich. Actually I tried to restart the interface, but it didn't work. I even reloaded the ath_pci module, it was useless either. Forrest -- Stupid is as stupid does.
