ji> I'm running a Pi 'B' and PiMAME software. I've got a Netgear USB ji> wireless dongle that I'm using for networking. It's at a fixed IP of ji> 10.1.1.71
ji> However, the network randomly (it seems) just...goes away.
ji> Example pinging it:
pinging it from where? what does a traceroute show? what does arp show?
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... Eddie's one of our prize students - we're giving him away next week.
I'm running a Pi 'B' and PiMAME software. I've got a Netgear USB wireless dongle that I'm using for networking. It's at a fixed IP of
10.1.1.71
However, the network randomly (it seems) just...goes away.
Example pinging it:
64 bytes from 10.1.1.71: icmp_seq=4235 ttl=64 time=36.645 ms
64 bytes from 10.1.1.71: icmp_seq=4236 ttl=64 time=59.978 ms
64 bytes from 10.1.1.71: icmp_seq=4237 ttl=64 time=81.130 ms
64 bytes from 10.1.1.71: icmp_seq=4238 ttl=64 time=100.393 ms
64 bytes from 10.1.1.71: icmp_seq=4239 ttl=64 time=18.336 ms
64 bytes from 10.1.1.71: icmp_seq=4240 ttl=64 time=42.556 ms Request timeout for icmp_seq 4241 Request timeout for icmp_seq 4242 Request timeout for icmp_seq 4243 Request timeout for icmp_seq 4244 Request timeout for icmp_seq 4245 Request timeout for icmp_seq 4246
This is with it just sitting at the main PiMAME menu.
Not thought as such, but I've got a PiB+ sitting on a network using an Edimax WiFi dongle, and that is not dissimilar to what I see. Sometimes I get really fast pings, other times it can be over a second, sometimes no response (which can last for hours) I've got a cron job that pings the router every minute, and logs the results (along with the CPU and GPU temperatures).
From Yesterday's log (times are milli seconds):
1040 - 5.618 CPU temp=41.7 C GPU temp=42.2'C
1041 - 3.649 CPU temp=41.7 C GPU temp=41.7'C
1042 - 1335.856 CPU temp=41.2 C GPU temp=41.2'C
1043 - 17.311 CPU temp=42.2 C GPU temp=42.2'C
1044 - 19.257 CPU temp=42.8 C GPU temp=42.8'C
1045 - 19.300 CPU temp=42.2 C GPU temp=42.2'C
1046 - 165.862 CPU temp=42.8 C GPU temp=42.8'C
1047 - 13.649 CPU temp=43.3 C GPU temp=43.3'C
1048 - 21.424 CPU temp=43.3 C GPU temp=43.3'C
1049 - 927.680 CPU temp=42.2 C GPU temp=42.8'C
1050 - 12.454 CPU temp=42.8 C GPU temp=42.8'C
Adrian
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The US raspberry web site (Lady Ada, etc) mentions that there have been problems with various WiFi adapters. I've had better luck with the little cheap no name adapters than the common name brands.
The last really bad go around I had was an adapter that worked flawlessly in XP, sort of OK in early win 7, then more erratically with later 7 & 8. That adapter was a name brand "long range" adapter. The mfrs drivers were updated several times, each time improving things, but not quite fixing the problem. There was some sort of initialization/reset problem as far as we could tell. Sometimes just unplugging from one USB port and plugging into another worked. Disabling the driver, and re enabling it also sometimes worked.
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