On Tue, 2022-04-19 at 22:58 +0200, Toke Høiland-Jørgensen wrote: > "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 > So you do get a SAP connection. Weird. Checking with the CSME guys. Can you get dynamic debug prints for iwlmei module? Best would be tracing with -e iwlmei_sap_cmd I might also need dynamic debgug prints from the mei bus driver but that will be for later. Thanks for reporting and providing the data!
