** Changed in: linux-restricted-modules (Ubuntu)
Status: New => Won't Fix
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https://bugs.launchpad.net/bugs/345528
Title:
Scanning of Wireless Networks causes high latency in comination of
broadcom-sta driver (wl)
Status in linux-restricted-modules package in Ubuntu:
Won't Fix
Bug description:
The broadcom-sta driver is slow during scan of wireless networks. The
ping times goes sometimes even up to 1000ms. If I switch to WICD
Networkmanager everything become useable because wicd does not scan
every minute or like this.
Perhaps it is possible to add a workaround to NetworkManager to scan
only on demand or something like this if the official broadcom-sta
driver is used?
Here is a log of ping to my accesspoint:
64 bytes from 192.168.2.1: icmp_seq=12 ttl=63 time=2.52 ms
64 bytes from 192.168.2.1: icmp_seq=13 ttl=63 time=4.26 ms
64 bytes from 192.168.2.1: icmp_seq=14 ttl=63 time=2.91 ms
64 bytes from 192.168.2.1: icmp_seq=15 ttl=63 time=2.57 ms
64 bytes from 192.168.2.1: icmp_seq=16 ttl=63 time=2.96 ms
64 bytes from 192.168.2.1: icmp_seq=17 ttl=63 time=2.48 ms
64 bytes from 192.168.2.1: icmp_seq=18 ttl=63 time=1.90 ms
64 bytes from 192.168.2.1: icmp_seq=19 ttl=63 time=2.62 ms
64 bytes from 192.168.2.1: icmp_seq=20 ttl=63 time=1.84 ms
64 bytes from 192.168.2.1: icmp_seq=21 ttl=63 time=2.70 ms
64 bytes from 192.168.2.1: icmp_seq=22 ttl=63 time=2.54 ms
64 bytes from 192.168.2.1: icmp_seq=23 ttl=63 time=2.69 ms
64 bytes from 192.168.2.1: icmp_seq=24 ttl=63 time=2.88 ms<-----After this is
called "sudo iwlist scan"
64 bytes from 192.168.2.1: icmp_seq=25 ttl=63 time=227 ms
64 bytes from 192.168.2.1: icmp_seq=26 ttl=63 time=158 ms
64 bytes from 192.168.2.1: icmp_seq=27 ttl=63 time=103 ms
64 bytes from 192.168.2.1: icmp_seq=28 ttl=63 time=34.8 ms
64 bytes from 192.168.2.1: icmp_seq=29 ttl=63 time=274 ms
64 bytes from 192.168.2.1: icmp_seq=30 ttl=63 time=2.58 ms
64 bytes from 192.168.2.1: icmp_seq=31 ttl=63 time=2.49 ms
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