Norbert Preining <norbert@xxxxxxxxxxxxx> writes: > Dear all, > > (please cc) > > linux 5.3.1 > Debian/sid > Thinkpad X260 > iwlwifi 0000:04:00.0: Detected Intel(R) Dual Band Wireless AC 8260, REV=0x208 > iwlwifi 0000:04:00.0: loaded firmware version 36.8fd77bb3.0 op_mode iwlmvm > > since about 5.3.0 I get a lot of warnings in the syslog about iwlmvm. > > It starts with > Sep 27 09:08:35 burischnitzel kernel: iwlwifi 0000:04:00.0: Microcode SW error detected. Restarting 0x82000000. > Sep 27 09:08:35 burischnitzel kernel: iwlwifi 0000:04:00.0: Start IWL Error Log Dump: > Sep 27 09:08:35 burischnitzel kernel: iwlwifi 0000:04:00.0: Status: 0x00000080, count: 6 > Sep 27 09:08:35 burischnitzel kernel: iwlwifi 0000:04:00.0: Loaded firmware version: 36.8fd77bb3.0 > Sep 27 09:08:35 burischnitzel kernel: iwlwifi 0000:04:00.0: 0x00000038 | BAD_COMMAND > Sep 27 09:08:35 burischnitzel kernel: iwlwifi 0000:04:00.0: 0x000002F0 | trm_hw_status0 > Sep 27 09:08:35 burischnitzel kernel: iwlwifi 0000:04:00.0: 0x00000000 | trm_hw_status1 > .... > > after that > Sep 27 09:08:35 burischnitzel kernel: ieee80211 phy0: Hardware restart was requested > Sep 27 09:08:35 burischnitzel kernel: iwlwifi 0000:04:00.0: FW Error notification: type 0x00000000 cmd_id 0x05 > Sep 27 09:08:35 burischnitzel kernel: iwlwifi 0000:04:00.0: FW Error notification: seq 0x0030 service 0x00000005 > Sep 27 09:08:35 burischnitzel kernel: iwlwifi 0000:04:00.0: FW Error notification: timestamp 0x000000000037F460 > Sep 27 09:08:35 burischnitzel kernel: iwlwifi 0000:04:00.0: FW error in SYNC CMD GEO_TX_POWER_LIMIT I'm guessing this should fix it: https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers.git/commit/?id=fddbfeece9c7882cc47754c7da460fe427e3e85b -- https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches