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Wi-Fi Bluetooth for Linux

New Contributor

I'm running in to a problem in Raspberry Pi 3 B+ running Kali Linux where WiFi controller freezes while in monitor mode, with the following error code under dmesg:

brcmfmac: brcmf_sdio_hostmail: Unknown mailbox data content: 0x40012

There are many people running in to this problem (based on the discussion thread below) but couldn't see any fixes from Cypress team. Can you please help?

wlan freezes in raspberry pi 3B+ · Issue #2453 · raspberrypi/linux · GitHub

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New Contributor II

Monitor mode in 3B+ mostly crashes because the FW does an OOB read in pktq dequeue function

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Moderator
Moderator

Could you try changing the debug level and post the dmesg logs.

>> sh -c "echo options brcmfmac debug=0x100000 > /etc/modprobe.d/brcmfmac.conf"

Regard,

Vinayak

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New Contributor II

Monitor mode in 3B+ mostly crashes because the FW does an OOB read in pktq dequeue function

View solution in original post

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