Experiencing very slow browsing at times (atheros wireless)
sepherosa at gmail.com
Tue May 22 23:14:02 PDT 2007
On 5/23/07, Petr Janda <elekktretterr at exemail.com.au> wrote:
>> Maybe also try turning off TCP sack and window scaling
>> (net.inet.tcp.sack=0, net.inet.tcp.rfc1323=0), in case there's an
>> issue there. I noticed that the server is using both, and there
>> could be a bug on the server (or in DragonFly, but more likely on
>> server if that turns out to be the problem).
With both of them set 0 it is still happening. How can we debug it?
Do non-802.11 tcpdump and 802.11 tcpdump (not radio), so we can see
what ether_input() gets. Also turn on sysctl
net.wlan0.debug=0x08000000. Looks like most of packets sent by AP
need mac level retry ...
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