DragonFly bugs List (threaded) for 2007-05
DragonFly BSD
DragonFly bugs List (threaded) for 2007-05
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Re: Experiencing very slow browsing at times (atheros wireless)

From: Petr Janda <elekktretterr@xxxxxxxxxxxxxx>
Date: Wed, 23 May 2007 13:51:36 +1000

Maybe there is a checksum problem or something. Do you have any hardware accel features turned on on your client? Do 'ifconfig' and dump the output. Try turning them off.

    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 the
    server if that turns out to be the problem).

[elevator] ~% ifconfig ath0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500 inet netmask 0xffffff00 broadcast inet6 fe80::20f:b5ff:fefa:9196%ath0 prefixlen 64 scopeid 0x1 ether 00:0f:b5:fa:91:96 media: IEEE 802.11 Wireless Ethernet autoselect (OFDM/54Mbps) status: associated ssid homenetwork channel 11 bssid 00:19:db:0a:39:e6 authmode OPEN privacy OFF txpowmax 37 bmiss 7 protmode CTS burst bintval 100 fxp0: flags=8802<BROADCAST,SIMPLEX,MULTICAST> mtu 1500 ether 00:02:b3:0b:9e:0f media: Ethernet autoselect (none) status: no carrier lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384 inet netmask 0xff000000 inet6 ::1 prefixlen 128 inet6 fe80::1%lo0 prefixlen 64 scopeid 0x3 ppp0: flags=8010<POINTOPOINT,MULTICAST> mtu 1500 sl0: flags=c010<POINTOPOINT,LINK2,MULTICAST> mtu 552 faith0: flags=8002<BROADCAST,MULTICAST> mtu 1500

I'm going to wait for the next slowness and then I'll change the sysctl's.

Im not aware of any hardware accel features. The ifconfig looks quite ordinary to me.


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