wpa_supplicant and iwlwifi failing with "No buffer space available" since "kernel 5.4.0-56"
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
backport-iwlwifi-dkms (Ubuntu) |
Confirmed
|
Undecided
|
Unassigned | ||
linux-meta (Ubuntu) |
Confirmed
|
Undecided
|
Unassigned | ||
wpasupplicant (Ubuntu) |
Confirmed
|
Undecided
|
Unassigned |
Bug Description
There are reproduce-able WiFi aborts with 20.04.1 LTS since update to kernel 5.4.0-56.
Behaviour: nm-applet shows a window to enter the WLAN key that is pre-filled. Hitting the "Connect" button reconnects the WiFi network for a small period.
The error occurs sometimes very often (e.g. 10 times/minute) or seldom (only one per day). You can see it in /var/log/syslog at the entry
>>> wpa_supplicant[
As a result 4-Way-Handshake fails and after disconnection the new (old) key is requested.
>>> wpa_supplicant[
>>> NetworkManager[
There are a lot of people having this problem (see discussion in german moderated forum:
>>> https:/
See also BUG #1908823 and question #694566
>>> https:/
>>> https:/
affects: | ubuntu → backport-iwlwifi-dkms (Ubuntu) |
description: | updated |
Changed in linux-meta (Ubuntu): | |
status: | New → Confirmed |
Status changed to 'Confirmed' because the bug affects multiple users.