Public bug reported:
I have an ASUS PCE-AC68 adapter (BCM4360 chipset), running under 13.10,
kernel 3.11.0-13-generic x86_64, bcmwl-kernel-source 6.30.223.141+bdcom-
0ubuntu1. The AP supports 802.11a/b/g/n/ac.
The card and adapter work perfectly when connected in the 2.4GHz band
and 5GHz low channels (36-48). When connecting at 5GHz high channels
(149-161), there are no obvious errors, but packet loss to the gateway
is extremely high (50-80%). This behavior is very bursty, alternating
between no, and total packet loss on a timescale ranging from a few
seconds to a few minutes.
Power management is off, and syslog/kern.log don't provide any useful
clues. Based on the observed pattern of the packet loss, and the
performance of other 5GHz devices connected to the same AP, I don't
think it is an interference issue.
I'm unsure as to how to proceed with generating some more useful
logging, so any suggestions would be appreciated.
** Affects: bcmwl (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1256158
Title:
BCM4360 High packet loss at 5GHz
Status in “bcmwl” package in Ubuntu:
New
Bug description:
I have an ASUS PCE-AC68 adapter (BCM4360 chipset), running under
13.10, kernel 3.11.0-13-generic x86_64, bcmwl-kernel-source
6.30.223.141+bdcom-0ubuntu1. The AP supports 802.11a/b/g/n/ac.
The card and adapter work perfectly when connected in the 2.4GHz band
and 5GHz low channels (36-48). When connecting at 5GHz high channels
(149-161), there are no obvious errors, but packet loss to the gateway
is extremely high (50-80%). This behavior is very bursty, alternating
between no, and total packet loss on a timescale ranging from a few
seconds to a few minutes.
Power management is off, and syslog/kern.log don't provide any useful
clues. Based on the observed pattern of the packet loss, and the
performance of other 5GHz devices connected to the same AP, I don't
think it is an interference issue.
I'm unsure as to how to proceed with generating some more useful
logging, so any suggestions would be appreciated.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/bcmwl/+bug/1256158/+subscriptions
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