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Message-ID: <939a51b6-25f7-2cb1-d86e-0bcead931876@molgen.mpg.de> Date: Mon, 27 Feb 2023 15:34:25 +0100 From: Paul Menzel <pmenzel@...gen.mpg.de> To: Gregory Greenman <gregory.greenman@...el.com>, Kalle Valo <kvalo@...nel.org>, "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com> Cc: linux-wireless@...r.kernel.org, netdev@...r.kernel.org, LKML <linux-kernel@...r.kernel.org> Subject: What to do about warnings: `WRT: Overriding region id X` Dear Linux folks, On a Dell Precision 3540, BIOS 1.23.0 12/19/2022, with Debian sid/unstable, Linux 6.1.12 logs the warnings below. ``` $ lspci -nn -s 00:14.3 -kv 00:14.3 Network controller [0280]: Intel Corporation Cannon Point-LP CNVi [Wireless-AC] [8086:9df0] (rev 30) DeviceName: Onboard - Ethernet Subsystem: Intel Corporation Cannon Point-LP CNVi [Wireless-AC] [8086:4030] Flags: bus master, fast devsel, latency 0, IRQ 16, IOMMU group 6 Memory at ec43c000 (64-bit, non-prefetchable) [size=16K] Capabilities: <access denied> Kernel driver in use: iwlwifi Kernel modules: iwlwifi ``` ``` $ dmesg […] [ 20.753295] iwlwifi 0000:00:14.3: firmware: direct-loading firmware iwlwifi-9000-pu-b0-jf-b0-46.ucode [ 20.753313] iwlwifi 0000:00:14.3: WRT: Overriding region id 0 [ 20.753314] iwlwifi 0000:00:14.3: WRT: Overriding region id 1 [ 20.753315] iwlwifi 0000:00:14.3: WRT: Overriding region id 2 [ 20.753316] iwlwifi 0000:00:14.3: WRT: Overriding region id 3 [ 20.753317] iwlwifi 0000:00:14.3: WRT: Overriding region id 4 [ 20.753318] iwlwifi 0000:00:14.3: WRT: Overriding region id 6 [ 20.753319] iwlwifi 0000:00:14.3: WRT: Overriding region id 8 [ 20.753320] iwlwifi 0000:00:14.3: WRT: Overriding region id 9 [ 20.753320] iwlwifi 0000:00:14.3: WRT: Overriding region id 10 [ 20.753321] iwlwifi 0000:00:14.3: WRT: Overriding region id 11 [ 20.753322] iwlwifi 0000:00:14.3: WRT: Overriding region id 15 [ 20.753323] iwlwifi 0000:00:14.3: WRT: Overriding region id 16 [ 20.753324] iwlwifi 0000:00:14.3: WRT: Overriding region id 18 [ 20.753325] iwlwifi 0000:00:14.3: WRT: Overriding region id 19 [ 20.753326] iwlwifi 0000:00:14.3: WRT: Overriding region id 20 [ 20.753326] iwlwifi 0000:00:14.3: WRT: Overriding region id 21 [ 20.753327] iwlwifi 0000:00:14.3: WRT: Overriding region id 28 [ 20.753642] iwlwifi 0000:00:14.3: firmware: failed to load iwl-debug-yoyo.bin (-2) [ 20.753643] firmware_class: See https://wiki.debian.org/Firmware for information about missing firmware [ 20.753651] iwlwifi 0000:00:14.3: firmware: failed to load iwl-debug-yoyo.bin (-2) [ 20.753653] iwlwifi 0000:00:14.3: loaded firmware version 46.6b541b68.0 9000-pu-b0-jf-b0-46.ucode op_mode iwlmvm […] ``` What can a user do about these warnings? Kind regards, Paul
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