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[209.85.208.178]) by smtp.gmail.com with ESMTPSA id w5sm36275lfq.80.2021.09.01.12.01.13 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 01 Sep 2021 12:01:14 -0700 (PDT) Received: by mail-lj1-f178.google.com with SMTP id y6so801341lje.2 for ; Wed, 01 Sep 2021 12:01:13 -0700 (PDT) X-Received: by 2002:a2e:3004:: with SMTP id w4mr888035ljw.465.1630522873162; Wed, 01 Sep 2021 12:01:13 -0700 (PDT) MIME-Version: 1.0 References: <20210831203727.3852294-1-kuba@kernel.org> In-Reply-To: <20210831203727.3852294-1-kuba@kernel.org> From: Linus Torvalds Date: Wed, 1 Sep 2021 12:00:57 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [GIT PULL] Networking for v5.15 To: Jakub Kicinski , Luca Coelho , Kalle Valo Cc: David Miller , Netdev , Linux Kernel Mailing List , Greg Kroah-Hartman , linux-wireless Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org On Tue, Aug 31, 2021 at 1:37 PM Jakub Kicinski wrote: > > No conflicts at the time of writing. There were conflicts with > char-misc but I believe Greg dropped the commits in question. Hmm. I already merged this earlier, but didn't notice a new warning on my desktop: RTNL: assertion failed at net/wireless/reg.c (4025) WARNING: CPU: 60 PID: 1720 at net/wireless/reg.c:4025 regulatory_set_wiphy_regd_sync+0x7f/0x90 [cfg80211] Call Trace: iwl_mvm_init_mcc+0x170/0x190 [iwlmvm] iwl_op_mode_mvm_start+0x824/0xa60 [iwlmvm] iwl_opmode_register+0xd0/0x130 [iwlwifi] init_module+0x23/0x1000 [iwlmvm] and RTNL: assertion failed at net/wireless/reg.c (3106) WARNING: CPU: 60 PID: 1720 at net/wireless/reg.c:3106 reg_process_self_managed_hint+0x26c/0x280 [cfg80211] Call Trace: regulatory_set_wiphy_regd_sync+0x3a/0x90 [cfg80211] iwl_mvm_init_mcc+0x170/0x190 [iwlmvm] iwl_op_mode_mvm_start+0x824/0xa60 [iwlmvm] iwl_opmode_register+0xd0/0x130 [iwlwifi] init_module+0x23/0x1000 [iwlmvm] and RTNL: assertion failed at net/wireless/core.c (84) WARNING: CPU: 60 PID: 1720 at net/wireless/core.c:84 wiphy_idx_to_wiphy+0x97/0xd0 [cfg80211] Call Trace: nl80211_common_reg_change_event+0xf9/0x1e0 [cfg80211] reg_process_self_managed_hint+0x23d/0x280 [cfg80211] regulatory_set_wiphy_regd_sync+0x3a/0x90 [cfg80211] iwl_mvm_init_mcc+0x170/0x190 [iwlmvm] iwl_op_mode_mvm_start+0x824/0xa60 [iwlmvm] iwl_opmode_register+0xd0/0x130 [iwlwifi] init_module+0x23/0x1000 [iwlmvm] and RTNL: assertion failed at net/wireless/core.c (61) WARNING: CPU: 60 PID: 1720 at net/wireless/core.c:61 wiphy_idx_to_wiphy+0xbf/0xd0 [cfg80211] Call Trace: nl80211_common_reg_change_event+0xf9/0x1e0 [cfg80211] reg_process_self_managed_hint+0x23d/0x280 [cfg80211] regulatory_set_wiphy_regd_sync+0x3a/0x90 [cfg80211] iwl_mvm_init_mcc+0x170/0x190 [iwlmvm] iwl_op_mode_mvm_start+0x824/0xa60 [iwlmvm] iwl_opmode_register+0xd0/0x130 [iwlwifi] init_module+0x23/0x1000 [iwlmvm] They all seem to have that same issue, and it looks like the fix would be to get the RTN lock in iwl_mvm_init_mcc(), but I didn't really look into it very much. This is on my desktop, and I actually don't _use_ the wireless on this machine. I assume it still works despite the warnings, but they should get fixed. I *don't* see these warnings on my laptop where I actually use wireless, but that one uses ath10k_pci, so it seems this is purely a iwlwifi issue. I can't be the only one that sees this. Hmm? Linus