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[Bug 1478592] Re: bcmwl-kernel-source fixes [Patch]

 

Hi,
Yesterday I ran into a "no traffic" situation, which was not resolveable by unloading the wl module:

tcpdump on the wlan0 interface showed me only:

00:21:21.575404 EAPOL key (3) v2, len 117
00:21:21.865239 EAPOL key (3) v2, len 117
00:21:22.385278 EAPOL key (3) v2, len 11
...


At the same I was able to use the same (hotel) accesspoint with my android phone without trouble. After a reboot (and a update to 4.1.4), the Wifi worked.

One observation: I remember the kde network manager thing telling me the
Wifi was "WPA" while it was not able to connect. After the reboot the
working variant is  WPA2-PSK. Maybe the wpa-supplicant got wrong info
from the driver (via cfg802 ????)

rgds,
j

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https://bugs.launchpad.net/bugs/1478592

Title:
  bcmwl-kernel-source fixes [Patch]

Status in bcmwl package in Ubuntu:
  Confirmed

Bug description:
  
  The broadcom-wl driver have a few issues that have not been corrected in the ubuntu package.
  Supplied with this bugreport is a monolithic patch that addresses some of those.

  Summary/testing of patch:
  - 2 days of local testing with associate/disassociate/scan between 2 access-points. (same model and running same openwrt version, so might not be a good test).
  - Suspend/resume seems to work (no extensive testing there yet).
  - Testing been done on a MBP 11,3 with a BCM4360 card running Ubuntu 15.04 with kernel 4.1.3 (vanilla)
  - Only 4.x changes are new, rest have been in use by several projects (ubuntu/gentoo/archlinux etc) for some time.

  
  Feel free to split it up into several patches.... This have been a locally maintained repo that have used several different sources and that's the reason for the monolithic patch.

  One issue that is left is the:
          if (WARN_ON(!bss))
                  return;
  in net/wireless/sme.c but this does not seem to cause issues.

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References