"Grumbach, Emmanuel" <emmanuel.grumbach@xxxxxxxxx> writes: > On Tue, 2022-04-19 at 20:46 +0300, Grumbach, Emmanuel wrote: >> On Tue, 2022-04-19 at 13:33 +0200, Toke Høiland-Jørgensen wrote: >> > "Grumbach, Emmanuel" <emmanuel.grumbach@xxxxxxxxx> writes: >> > >> > > On Tue, 2022-04-19 at 09:41 +0300, Grumbach, Emmanuel wrote: >> > > > Hi Toke, >> > > > >> > > > On Tue, 2022-04-19 at 06:24 +0000, Coelho, Luciano wrote: >> > > > > On Mon, 2022-04-18 at 13:36 +0200, Toke Høiland-Jørgensen wrote: >> > > > > > Hi Luca >> > > > > >> > > > > Hi Toke, >> > > > > >> > > > > > I've started seeing issues with my iwlwifi interface going away after >> > > > > > suspend. I get errors like these in dmesg: >> > > > > > >> > > > > > [104393.142264] wlan0: deauthenticating from 4c:60:de:ea:b8:58 by local choice (Reason: >> > > > > > 3=DEAUTH_LEAVING) >> > > > > > [104393.347775] iwlmei 0000:00:16.0-13280904-7792-4fcb-a1aa-5e70cbb1e865: Couldn't get >> > > > > > ACK >> > > > > > from >> > > > > > CSME on HOST_GOES_DOWN message >> > > > > > [104393.347876] iwlmei 0000:00:16.0-13280904-7792-4fcb-a1aa-5e70cbb1e865: failed to send >> > > > > > the >> > > > > > SAP_ME_MSG_CHECK_SHARED_AREA message -19 >> > > > > > >> > > > > > And when the host comes back up, there is no connectivity. Restarting >> > > > > > iwd fixes the problem. >> > > > > > >> > > > > > This is on a 5.17.3 kernel (Arch Linux distribution kernel), and lspci >> > > > > > says the WiFi device is an "Intel Corporation Wi-Fi 6 AX201". >> > > > > > >> > > > > > Any ideas? :) >> > > > > >> > > > > This seems to be related to iwlmei, so I added Emmanuel to the thread. >> > > > > >> > > > >> > > > Can we have the full dmesg output? >> > > > What NIC / platform do you have? >> > > > Do you have AMT configured in the BIOS? >> > > > Did you enable wireless operation in AMT? >> > > >> > > Ah - this is AX201, ok, but I still need the platform and thefull dmesg :-) >> > >> > It's a Lenovo ThinkPad X1 Carbon Gen 9, model 20XXS3HC26; AMT is set to >> > "Disabled" in the BIOS. I rebooted and did a suspend/wake cycle after >> > connecting to the WiFi network, which produced the dmesg below. >> >> Thanks. >> This is a Skylake platform and we didn't have a handshake with CSME which is not enabled. We are >> missing a check before we shut down iwlmei. > > Hm... no, that seems to be 11th generation... so TigerLake? > But still, the fix below seems relevant. Hmm, tried the patch and the message is still there (as is the bug)... The error code is different now, though: [ 65.773731] wlan0: deauthenticating from 4c:60:de:ea:b8:5a by local choice (Reason: 3=DEAUTH_LEAVING) [ 65.973767] iwlmei 0000:00:16.0-13280904-7792-4fcb-a1aa-5e70cbb1e865: Couldn't get ACK from CSME on HOST_GOES_DOWN message [ 65.973845] iwlmei 0000:00:16.0-13280904-7792-4fcb-a1aa-5e70cbb1e865: failed to send the SAP_ME_MSG_CHECK_SHARED_AREA message -14 -Toke
