Public bug reported:
Ubuntu 26.04 (resolute). USB Wi-Fi adapter Qualcomm Atheros AR9271 (0cf3:9271),
driver ath9k_htc.
After upgrading from 7.0.0-42-generic to 7.0.0-43-generic the adapter no longer
comes up.
On 7.0.0-43: WARNING at net/mac80211/rx.c:5513 in ieee80211_rx_list, called
from ath9k_rx_tasklet [ath9k_htc],
repeated 2207 times in one boot; wpa_supplicant reports "Could not set
interface wlx... flags (UP): Message too long" and "Failed to initialize driver
interface"; the adapter's LED stays off.
Booting 7.0.0-42-generic with the same configuration works normally.
Kernel log excerpt from the failed boot attached (first warning in full).
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "ath9k-7.0.0-43.log"
https://bugs.launchpad.net/bugs/2173635/+attachment/6015820/+files/ath9k-7.0.0-43.log
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https://bugs.launchpad.net/bugs/2173635
Title:
7.0.0-43: WARNING at net/mac80211/rx.c:5513 (ieee80211_rx_list) with
ath9k_htc AR9271; adapter fails to come up, 7.0.0-42 works
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