brcmf_cfg80211_set_pmk() fails with kernel warning on EAP network
Nobody has claimed this yet.
Assessment
- Difficulty
- 5/5
- Estimated time
- Over a week
- Newbie friendliness
- 25/100
- Issue type
- Bug
- Clarity
- Needs clarification
- Activity status
- Stale
- Tech stack
- c, linux
- Domain
- networking, operating-systems
Research direction
Start by reading brcmf_cfg80211_set_pmk() and the same backtrace in issue 3613, then compare the Raspberry Pi kernel behavior with the Ubuntu Server behavior described here. Reproduce the warning on an EAP network using nl80211 rather than the wext workaround; done means the warning no longer occurs in the stated Raspberry Pi setup.
Written by the indexing model from the issue text.
Description
Same backtrace as https://github.com/raspberrypi/linux/issues/3613
See also: https://www.raspberrypi.org/forums/viewtopic.php?t=247310
This is still happening on Linux raspi4 5.4.51-v7l+ #1327 SMP Thu Jul 23 11:04:39 BST 2020 armv7l GNU/Linux so it obviously wasn't resolved. No issue on Ubuntu Server (Linux raspi3 5.4.0-1015-raspi #15-Ubuntu SMP Fri Jul 10 05:34:24 UTC 2020 aarch64 aarch64 aarch64 GNU/Linux).
Adding env wpa_supplicant_driver=wext to the end of /etc/dhcpcd.conf works around the issue by forcing the use of wext instead of nl80211 but this really ought to be fixed the right way.
Building + installing wpa_supplicant 2.9 from source didn't help.
- Dominant language
- C
- Stars
- 13.2k
- Forks
- 5.5k
- Avg merge
- 2d 21h
- Merged PRs (30d)
- 21
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