Ubuntu

18.04 wifi broadcom bcm4356 not working

Asked by Ivan Racic

after upgrading to 18.04 from 17.10 wireless doesnt work.
kernel 4.15.0-20
chipset bcm4356, using brcmfmac.
dmesg:
brcmfmac: brcmf_msgbuf_query_dcmd: Timeout on response for query command
brcmfmac: brcmf_c_preinit_dcmds: Retreiving cur_etheraddr failed, -5
brcmfmac: brcmf_bus_started: failed: -5
brcmfmac: brcmf_pcie_attach_bus: dongle is not responding

device is not soft/hard blocked.

how can I fix?

Question information

Language:
English Edit question
Status:
Answered
For:
Ubuntu Edit question
Assignee:
No assignee Edit question
Last query:
Last reply:
Revision history for this message
actionparsnip (andrew-woodhead666) said : 		#1

https://help.ubuntu.com/community/WifiDocs/Driver/bcm43xx

Revision history for this message
Ivan Racic (rasc4l) said : 		#2

Thanks. I have previously tried to fix my problem using the solutions provided there but with no luck.

Revision history for this message
Launchpad Janitor (janitor) said : 		#3

This question was expired because it remained in the 'Open' state without activity for the last 15 days.

Revision history for this message
Ivan Racic (rasc4l) said : 		#4

The problem seems to be in the newer linux-firmware version 1.173. Manually installing firmware 1.169 resolves the issue. Can this be resolved in a future firmware release?

Revision history for this message
actionparsnip (andrew-woodhead666) said : 		#5

I suggest you report a bug

Can you help with this problem?

Provide an answer of your own, or ask Ivan Racic for more information if necessary.

To post a message you must log in.