From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mta1.migadu.com (out-26.mta1.migadu.com [95.215.58.26]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8A5D84A64FC for ; Thu, 3 Sep 2026 12:59:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.26 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788440367; cv=none; b=V1FeeIfXnudlofopceTKh8Pw8ktWXrxjqwL9Yx+KoAmIk90359ZVRbP9iJCaV+0JVb324AyHu01ABdQsnQQa174ztcXxy4vTTQgG/DZDxaRrTzPF9UGCGpl/qTq1SOMSNJ/5lZgfFIqpNngc74i0n44sMsKUH+dVbet4k25Lhvo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788440367; c=relaxed/simple; bh=uLgdnxfLeG1up6nHp0UCJHgWN+XeuopVXhCQgVlHoYI=; h=Mime-Version:Content-Type:Date:Message-Id:Subject:From:To; b=UzpNyBBh8Bf26xodXRpj6jTLq/UEAqsQrRPHhKZ0Bpfc37DIIWfCN8IuZGLmO4JTuPu5VGiGKitsvhnChjeuPfDWESCZ6PDvCeDKPIOp/m/iSFcLlXxkERquBLc8Eqy6k34XlAHXN1rz2IsHL6ScakaqgRyjWOZ/GDucXw6RD9o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=cknow-tech.com; spf=pass smtp.mailfrom=cknow-tech.com; dkim=pass (2048-bit key) header.d=cknow-tech.com header.i=@cknow-tech.com header.b=RGns+CVv; arc=none smtp.client-ip=95.215.58.26 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=cknow-tech.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=cknow-tech.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=cknow-tech.com header.i=@cknow-tech.com header.b="RGns+CVv" X-Envelope-To: linux-wireless@vger.kernel.org DKIM-Signature: a=rsa-sha256; bh=uLgdnxfLeG1up6nHp0UCJHgWN+XeuopVXhCQgVlHoYI=; c=simple/simple; d=cknow-tech.com; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1788440360; v=1; x=1789045160; b=RGns+CVvq2T9BbZVIoZ+doP3kWnbYPwa/ZUmRl6rErZcwQUaooQ3Bn/I78hiC59M5t0l5u6y m5AP6SqrNG5lbNGWoqnyQV9mwU4SkT8O2XMmdBBHJAZnJE61/PKps/XGK3uttm6FkQHClnMjIMC RlvJeAOhv+h38jPjbiNKV5djv2gYEKIDxZVbqz0V0PXRpi+fgG5nf3rUr4yrMqRuvR04J4Fjc55 7+IhqAzBUIuEa3rRSGcCYw6PkkeA2U+ntuPdzmyM6mPbghPCSyzuvogt55mvqOvCh1zWfbeD+1b U+FomnJoig7N5TnNRRmDuz86CeVViRRKhFI/S1hBjxkuQ== X-Envelope-To: linux-wireless@vger.kernel.org Received: by smtp.migadu.com with ESMTPS id dc46ac61033885ce; Thu, 03 Sep 2026 12:59:20 +0000 X-Mizu-Trace-ID: dc46ac61033885ce X-Migadu-Flow: FLOW_OUT Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Thu, 03 Sep 2026 14:59:19 +0200 Message-Id: Subject: Stack trace when starting iwd with Intel BE200 M.2 Wi-Fi+BT card From: "Diederik de Haas" To: X-Mailer: aerc 0.22.0-9-ge948bb7230f4 Hi, I have a FriendlyElec NanoPC-T6 LTS (arm64, RK3588 SoC) and plugged in its E-key slot an Intel BE200 card. I'm using TF-A + U-Boot as firmware and bootloader, not something with ACPI support. That's probably why I'm getting these warnings in dmesg: ``` [ 11.313596] ACPI: : failed to evaluate _DSM 2c176672-0b22-294b-814f= -75e4dd26b5fd rev:0 func:0 (0x1001) [ 11.313641] ACPI: : failed to evaluate _DSM 2c176672-0b22-294b-814f= -75e4dd26b5fd rev:0 func:0 (0x1001) ``` My kernel does have ``CONFIG_ACPI=3Dy``, but it's not used on this device. When I start iwd.service, I get the following stack trace: ``` [12144.572968] ------------[ cut here ]------------ [12144.572984] WARNING: net/wireless/nl80211.c:10730 at nl80211_get_reg_do+= 0x244/0x270 [cfg80211], CPU#6: iwd/2361 [12144.574304] Modules linked in: algif_aead des_generic libdes md4 snd_seq= _dummy snd_hrtimer snd_seq snd_seq_device algif_hash algif_skcipher af_alg = 8021q garp mrp stp llc bnep iwlmld aes_ce_blk mac80211 ghash_ce gf128mul sn= d_soc_simple_card pwm_fan snd_soc_rt5616 leds_gpio btusb libarc4 snd_soc_si= mple_card_utils snd_soc_rockchip_i2s_tdm gpio_ir_recv snd_soc_hdmi_codec ha= ntro_vpu snd_soc_rl6231 ofpart btrtl snd_soc_core btintel spi_nor rockchip_= vdec snd_compress btbcm v4l2_jpeg synopsys_hdmirx rockchip_rga v4l2_vp9 snd= _pcm_dmaengine rk805_pwrkey v4l2_h264 rockchip_rng btmtk mtd snd_pcm rockch= ip_thermal v4l2_dv_timings v4l2_mem2mem iwlwifi videobuf2_dma_sg videobuf2_= dma_contig bluetooth snd_timer videobuf2_memops snd videobuf2_v4l2 ecdh_gen= eric soundcore videodev vsi_iommu cfg80211 panthor videobuf2_common mc rock= et drm_gpuvm gpu_sched drm_shmem_helper rfkill drm_exec cpufreq_dt evdev su= nrpc binfmt_misc pkcs8_key_parser nvme_fabrics efi_pstore configfs autofs4 = ext4 crc16 mbcache jbd2 r8169 realtek phy_package mdio_devres [12144.574461] of_mdio fixed_phy fwnode_mdio libphy mdio_bus xhci_plat_hcd= rk808_regulator xhci_hcd nvme nvme_core nvme_keyring nvme_auth onboard_usb= _dev rockchipdrm dw_hdmi_qp dw_mipi_dsi fusb302 tcpm rtc_hym8563 dw_hdmi fa= n53555 aux_hpd_bridge analogix_dp drm_dp_aux_bus drm_display_helper gpio_ro= ckchip cec fixed phy_rockchip_usbdp sdhci_of_dwcmshc typec rc_core display_= connector dw_mmc_rockchip sdhci_pltfm rockchip_saradc drm_client_lib sdhci = dw_mmc_pltfm drm_dma_helper phy_rockchip_samsung_hdptx industrialio_trigger= ed_buffer kfifo_buf spi_rockchip_sfc phy_rockchip_naneng_combphy dw_wdt phy= _rockchip_snps_pcie3 nvmem_rockchip_otp spi_rockchip cqhci dw_mmc pl330 roc= kchip_dfi drm_kms_helper dwc3 ohci_platform i2c_rk3x drm adc_keys ohci_hcd = ehci_platform industrialio ehci_hcd udc_core pwm_rockchip usbcore ulpi phy_= rockchip_inno_usb2 usb_common [12144.588844] CPU: 6 UID: 0 PID: 2361 Comm: iwd Not tainted 7.3-rc1-arm64-= cknow #1 PREEMPTLAZY Debian 7.3~rc1-1 [12144.589720] Hardware name: FriendlyElec NanoPC-T6 LTS (DT) [12144.590200] pstate: 20400009 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE= =3D--) [12144.590809] pc : nl80211_get_reg_do+0x244/0x270 [cfg80211] [12144.591317] lr : nl80211_get_reg_do+0xbc/0x270 [cfg80211] [12144.591815] sp : ffff80008657b750 [12144.592107] x29: ffff80008657b770 x28: ffff00013282ddc0 x27: 00000000000= 00000 [12144.592736] x26: 0000000000000000 x25: ffffb244e7ef36c0 x24: ffffb244e1f= 98d00 [12144.593363] x23: ffff80008657b8e8 x22: ffff000101c28400 x21: ffff000101c= 27000 [12144.593991] x20: ffff0001335bd014 x19: ffff80008657b7b0 x18: 00000000000= 00010 [12144.594618] x17: 0000000000000000 x16: 0000000000000000 x15: fffffffffff= fffff [12144.595245] x14: 0000000000000001 x13: ffffb244e6646eb8 x12: 00000000000= 00000 [12144.595872] x11: 000000000000016f x10: ffff000104b6b9dc x9 : ffffb244e20= 41b54 [12144.596500] x8 : ffff0001335bd014 x7 : 0000000000000000 x6 : 00000000000= 00014 [12144.597127] x5 : 0000000000000014 x4 : 0000000000000000 x3 : ffff0001328= 2ddc0 [12144.597755] x2 : 0000000000000001 x1 : ffff000106fc83e0 x0 : 00000000000= 00000 [12144.598382] Call trace: [12144.598599] nl80211_get_reg_do+0x244/0x270 [cfg80211] (P) [12144.599108] genl_family_rcv_msg_doit+0xe8/0x160 [12144.599520] genl_rcv_msg+0x1fc/0x280 [12144.599846] netlink_rcv_skb+0x70/0x158 [12144.600186] genl_rcv+0x3c/0x60 [12144.600467] netlink_unicast+0x1e8/0x2f8 [12144.600814] netlink_sendmsg+0x1ac/0x420 [12144.601162] __sock_sendmsg+0x64/0xc8 [12144.601488] __sys_sendto+0x114/0x190 [12144.601813] __arm64_sys_sendto+0x2c/0x48 [12144.602169] invoke_syscall.constprop.0+0xac/0x110 [12144.602596] el0_svc_common.constprop.0+0xc0/0xf0 [12144.603012] do_el0_svc+0x24/0x40 [12144.603308] el0_svc+0x40/0x260 [12144.603591] el0t_64_sync_handler+0xa0/0xe8 [12144.603962] el0t_64_sync+0x198/0x1a0 [12144.604286] ---[ end trace 0000000000000000 ]--- [12145.058595] ACPI: : failed to evaluate _DSM bf0212f2-788f-c64d-a5b3= -1f738e285ade rev:0 func:0 (0x1001) ``` Despite the stacktrace, the wireless connection does work: ``` root@nanopc-t6-lts:~# iwctl station wlan0 show Station: wlan0 ---------------------------------------------------------------------------= ----- Settable Property Value ---------------------------------------------------------------------------= ----- Scanning no State connected ... RxMode 802.11ax RxMCS 10 TxMode 802.11ax TxMCS 7 TxBitrate 1225100 Kbit/s RxBitrate 2161300 Kbit/s ExpectedThroughput 1020936 Kbit/s ``` Similar results and stacktrace with kernel 6.18, 7.1 and 7.2, so it's not a recent regression. I also have a NanoPC-T6 Plus, which is quite similar, with an MediaTek MT79= 25 M.2 Wi-Fi+BT card and there I do not get the ACPI msgs or the stack trace. Happy to provide extra info, run tests, etc. Cheers, Diederik