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[23.128.96.36]) by mx.google.com with ESMTPS id o5-20020a056a0015c500b006910070695fsi2152060pfu.31.2023.09.21.12.14.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 21 Sep 2023 12:14:39 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 23.128.96.36 as permitted sender) client-ip=23.128.96.36; Authentication-Results: mx.google.com; dkim=fail header.i=@debian.org header.s=marcos-debian.anarcat.user header.b="d4lgL/KG"; spf=pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 23.128.96.36 as permitted sender) smtp.mailfrom=linux-wireless-owner@vger.kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by pete.vger.email (Postfix) with ESMTP id 542FE8119794; Thu, 21 Sep 2023 12:01:24 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at pete.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230483AbjIUTBX (ORCPT + 56 others); Thu, 21 Sep 2023 15:01:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49598 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229596AbjIUTBG (ORCPT ); Thu, 21 Sep 2023 15:01:06 -0400 X-Greylist: delayed 607 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Thu, 21 Sep 2023 10:35:07 PDT Received: from marcos.anarc.at (marcos.anarc.at [64.18.183.94]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 27F5E7A117 for ; Thu, 21 Sep 2023 10:35:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=debian.org; s=marcos-debian.anarcat.user; t=1695317096; bh=tFHkUSajED9o71dWuB8T9QkWTSwhuWCrYccMeMft0Hk=; h=From:To:Cc:Subject:Date:From; b=d4lgL/KGoivPdNodoKKmAZv/kQcyRoO8cimz8ZTvPmg3Q52JptmuGNk2vpEr/VrnJ SfzgDn3fYqS4g39kyzjZufCcjFb15BcGHwxnjpcqYIrrc88KgBDReD2Q/+YZcwzjGV fPLgP5HZx7X1SKDcVk0hUMvt7wl1nzLWx7p37BJ3sr4o04M0WuK/MWsnKnAPASyJpD 4qBNtNpIUwEeGCYOYCvSvFA4WfOU0p6WfArFkoxgcfprKvbm2x326lVwUFIOytLERd E+eEigtjG6uvbMZvORT7HLPzQA4Vmrs1pFH96R8KcP4c6IQxRYtwTyam853VJX0oFe jxDwZdozMMuhA== Received: by marcos.anarc.at (Postfix, from userid 1000) id 4407810E0F3; Thu, 21 Sep 2023 13:24:56 -0400 (EDT) Received: by angela.localdomain (Postfix, from userid 1000) id AF5D1E0466; Thu, 21 Sep 2023 13:24:55 -0400 (EDT) From: =?utf-8?Q?Antoine_Beaupr=C3=A9?= To: linux-wireless@vger.kernel.org Cc: Gregory Greenman Subject: Microcode SW error since Linux 6.5 Organization: Debian Autocrypt: addr=anarcat@debian.org; prefer-encrypt=nopreference; keydata=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 Date: Thu, 21 Sep 2023 13:24:55 -0400 Message-ID: <87ttrncuc8.fsf@angela.anarc.at> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-0.6 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on pete.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (pete.vger.email [0.0.0.0]); Thu, 21 Sep 2023 12:01:24 -0700 (PDT) Hi, I've found what I feel might be a regression between Linux 6.1 and 6.5. For other reasons, I upgraded the kernel on my Debian 12 ("bookworm", stale) laptop from the distribution 6.1.52 to the unstable ("sid") version, 6.5.3. After the upgrade, I started to notice stuttering in my audio player, I tracked it down and managed to correlate it with some kernel errors related to the iwlwifi driver. What's interesting is that this happens regardless of whether or not the NIC is connected to a network. In at least one of the traces, the computer was connected over a wire and wireless was not associated in Network Manager. Here's an example of the problem: sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: Microcode SW error det= ected. Restarting 0x0. sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: Start IWL Error Log Du= mp: sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: Transport status: 0x00= 00004B, valid: 6 sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: Loaded firmware versio= n: 73.35c0a2c6.0 ty-a0-gf-a0-73.ucode sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00000071 | NMI_INTER= RUPT_UMAC_FATAL=20=20=20=20 sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x000002F0 | trm_hw_st= atus0 sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00000000 | trm_hw_st= atus1 sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x004DB676 | branchlin= k2 sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x004DAFCA | interrupt= link1 sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x004DAFCA | interrupt= link2 sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00016B8A | data1 sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00000010 | data2 sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00000000 | data3 sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x003CF2BA | beacon ti= me sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x01AF1EAD | tsf low sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00000000 | tsf hi sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00000000 | time gp1 sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x01B06739 | time gp2 sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00000001 | uCode rev= ision type sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00000049 | uCode ver= sion major sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x35C0A2C6 | uCode ver= sion minor sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00000420 | hw version sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00C80002 | board ver= sion sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x80BBFF00 | hcmd sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00020000 | isr0 sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00000000 | isr1 sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x48F04002 | isr2 sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00C3000C | isr3 sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00000000 | isr4 sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00220103 | last cmd = Id sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00016B8A | wait_event sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00000000 | l2p_contr= ol sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00000000 | l2p_durat= ion sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00000000 | l2p_mhval= id sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00000000 | l2p_addr_= match sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00000018 | lmpm_pmg_= sel sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00000000 | timestamp sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x0000284C | flow_hand= ler sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: Start IWL Error Log Du= mp: sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: Transport status: 0x00= 00004B, valid: 7 sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x20103600 | ADVANCED_= SYSASSERT sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00000000 | umac bran= chlink1 sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x8045F174 | umac bran= chlink2 sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x8047A13C | umac inte= rruptlink1 sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00000000 | umac inte= rruptlink2 sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x000000FF | umac data1 sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0xDEADBEEF | umac data2 sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0xDEADBEEF | umac data3 sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00000049 | umac major sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x35C0A2C6 | umac minor sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x01B06733 | frame poi= nter sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0xC0886C0C | stack poi= nter sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x002B010D | last host= cmd sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00000000 | isr statu= s reg sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: IML/ROM dump: sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00000B03 | IML/ROM e= rror/state sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00008510 | IML/ROM d= ata1 sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00000080 | IML/ROM W= FPM_AUTH_KEY_0 sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: Fseq Registers: sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x60000100 | FSEQ_ERRO= R_CODE sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00440007 | FSEQ_TOP_= INIT_VERSION sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00080009 | FSEQ_CNVI= O_INIT_VERSION sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x0000A652 | FSEQ_OTP_= VERSION sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00000002 | FSEQ_TOP_= CONTENT_VERSION sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x4552414E | FSEQ_ALIV= E_TOKEN sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00400410 | FSEQ_CNVI= _ID sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00400410 | FSEQ_CNVR= _ID sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00400410 | CNVI_AUX_= MISC_CHIP sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00400410 | CNVR_AUX_= MISC_CHIP sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00009061 | CNVR_SCU_= SD_REGS_SD_REG_DIG_DCDC_VTRIM sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00000061 | CNVR_SCU_= SD_REGS_SD_REG_ACTIVE_VDIG_MIRROR sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00080009 | FSEQ_PREV= _CNVIO_INIT_VERSION sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00440005 | FSEQ_WIFI= _FSEQ_VERSION sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x00440007 | FSEQ_BT_F= SEQ_VERSION sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: 0x000000DC | FSEQ_CLAS= S_TP_VERSION sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: WRT: Collecting data: = ini trigger 4 fired (delay=3D0ms). sep 21 09:33:14 angela kernel: ieee80211 phy0: Hardware restart was request= ed sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: FW error in SYNC CMD S= CAN_REQ_UMAC sep 21 09:33:14 angela kernel: CPU: 7 PID: 1563 Comm: wpa_supplicant Tainte= d: G W 6.5.0-1-amd64 #1 Debian 6.5.3-1 sep 21 09:33:14 angela kernel: Hardware name: Framework Laptop (12th Gen In= tel Core)/FRANMACP04, BIOS 03.06 11/10/2022 sep 21 09:33:14 angela kernel: Call Trace: sep 21 09:33:14 angela kernel: sep 21 09:33:14 angela kernel: dump_stack_lvl+0x47/0x60 sep 21 09:33:14 angela kernel: iwl_trans_txq_send_hcmd+0x33d/0x450 [iwlwif= i] sep 21 09:33:14 angela kernel: ? __pfx_autoremove_wake_function+0x10/0x10 sep 21 09:33:14 angela kernel: iwl_trans_send_cmd+0x66/0x100 [iwlwifi] sep 21 09:33:14 angela kernel: iwl_mvm_send_cmd+0x16/0x40 [iwlmvm] sep 21 09:33:14 angela kernel: iwl_mvm_reg_scan_start+0x3f0/0x610 [iwlmvm] sep 21 09:33:14 angela kernel: iwl_mvm_mac_hw_scan+0x4e/0x70 [iwlmvm] sep 21 09:33:14 angela kernel: drv_hw_scan+0x98/0x150 [mac80211] sep 21 09:33:14 angela kernel: __ieee80211_start_scan+0x255/0x6f0 [mac8021= 1] sep 21 09:33:14 angela kernel: ieee80211_request_scan+0x2f/0x50 [mac80211] sep 21 09:33:14 angela kernel: rdev_scan+0x25/0xd0 [cfg80211] sep 21 09:33:14 angela kernel: nl80211_trigger_scan+0x409/0x7e0 [cfg80211] sep 21 09:33:14 angela kernel: genl_family_rcv_msg_doit.isra.0+0xe3/0x140 sep 21 09:33:14 angela kernel: genl_rcv_msg+0x1b1/0x2c0 sep 21 09:33:14 angela kernel: ? __pfx_nl80211_pre_doit+0x10/0x10 [cfg8021= 1] sep 21 09:33:14 angela kernel: ? __pfx_nl80211_trigger_scan+0x10/0x10 [cfg= 80211] sep 21 09:33:14 angela kernel: ? __pfx_nl80211_post_doit+0x10/0x10 [cfg802= 11] sep 21 09:33:14 angela kernel: ? __pfx_genl_rcv_msg+0x10/0x10 sep 21 09:33:14 angela kernel: netlink_rcv_skb+0x58/0x110 sep 21 09:33:14 angela kernel: genl_rcv+0x28/0x40 sep 21 09:33:14 angela kernel: netlink_unicast+0x19e/0x290 sep 21 09:33:14 angela kernel: netlink_sendmsg+0x254/0x4d0 sep 21 09:33:14 angela kernel: sock_sendmsg+0x93/0xa0 sep 21 09:33:14 angela kernel: ____sys_sendmsg+0x278/0x300 sep 21 09:33:14 angela kernel: ? copy_msghdr_from_user+0x7d/0xc0 sep 21 09:33:14 angela kernel: ___sys_sendmsg+0x9a/0xe0 sep 21 09:33:14 angela kernel: __sys_sendmsg+0x7a/0xd0 sep 21 09:33:14 angela kernel: do_syscall_64+0x5d/0xc0 sep 21 09:33:14 angela kernel: ? do_syscall_64+0x6c/0xc0 sep 21 09:33:14 angela kernel: ? do_syscall_64+0x6c/0xc0 sep 21 09:33:14 angela kernel: ? fpregs_assert_state_consistent+0x26/0x50 sep 21 09:33:14 angela kernel: ? exit_to_user_mode_prepare+0x40/0x1d0 sep 21 09:33:14 angela kernel: ? syscall_exit_to_user_mode+0x2b/0x40 sep 21 09:33:14 angela kernel: ? do_syscall_64+0x6c/0xc0 sep 21 09:33:14 angela kernel: ? do_syscall_64+0x6c/0xc0 sep 21 09:33:14 angela kernel: ? do_syscall_64+0x6c/0xc0 sep 21 09:33:14 angela kernel: ? do_syscall_64+0x6c/0xc0 sep 21 09:33:14 angela kernel: entry_SYSCALL_64_after_hwframe+0x6e/0xd8 sep 21 09:33:14 angela kernel: RIP: 0033:0x7fdbfbf29910 sep 21 09:33:14 angela kernel: Code: 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff= eb b7 66 2e 0f 1f 84 00 00 00 00 00 90 80 3d d1 fc 0c 00 00 74 17 b8 2e 00= 00 00> sep 21 09:33:14 angela kernel: RSP: 002b:00007ffedc261e78 EFLAGS: 00000202 = ORIG_RAX: 000000000000002e sep 21 09:33:14 angela kernel: RAX: ffffffffffffffda RBX: 00005568b18cf900 = RCX: 00007fdbfbf29910 sep 21 09:33:14 angela kernel: RDX: 0000000000000000 RSI: 00007ffedc261eb0 = RDI: 0000000000000006 sep 21 09:33:14 angela kernel: RBP: 00005568b1949360 R08: 0000000000000004 = R09: 0000000000000000 sep 21 09:33:14 angela kernel: R10: 00007ffedc261f94 R11: 0000000000000202 = R12: 00005568b18cfbe0 sep 21 09:33:14 angela kernel: R13: 00007ffedc261eb0 R14: 0000000000000000 = R15: 00007ffedc261f94 sep 21 09:33:14 angela kernel: sep 21 09:33:14 angela kernel: iwlwifi 0000:a6:00.0: Scan failed! ret -5 sep 21 09:33:14 angela kernel: ------------[ cut here ]------------ sep 21 09:33:14 angela kernel: WARNING: CPU: 15 PID: 133361 at net/mac80211= /scan.c:423 __ieee80211_scan_completed+0x308/0x320 [mac80211] sep 21 09:33:14 angela kernel: Modules linked in: cdc_mbim cdc_wdm xfrm_use= r xfrm_algo nvme_fabrics ctr ccm rfcomm cmac algif_hash algif_skcipher af_a= lg tls> sep 21 09:33:14 angela kernel: nf_reject_ipv4 intel_uncore_frequency_commo= n snd_hda_codec_idt snd_soc_acpi nf_reject_ipv6 x86_pkg_temp_thermal snd_hd= a_code> sep 21 09:33:14 angela kernel: configfs ip_tables x_tables autofs4 ext4 cr= c16 mbcache jbd2 btrfs blake2b_generic dm_crypt dm_mod efivarfs raid10 raid= 456 as> sep 21 09:33:14 angela kernel: CPU: 15 PID: 133361 Comm: kworker/u32:22 Tai= nted: G W 6.5.0-1-amd64 #1 Debian 6.5.3-1 sep 21 09:33:14 angela kernel: Hardware name: Framework Laptop (12th Gen In= tel Core)/FRANMACP04, BIOS 03.06 11/10/2022 sep 21 09:33:14 angela kernel: Workqueue: phy0 ieee80211_scan_work [mac8021= 1] sep 21 09:33:14 angela kernel: RIP: 0010:__ieee80211_scan_completed+0x308/0= x320 [mac80211] sep 21 09:33:14 angela kernel: Code: 0a 00 48 85 c0 74 0c 48 8b 78 08 48 89= ee e8 6f 49 04 00 65 ff 0d 10 49 2a 3e 0f 85 b1 fe ff ff 0f 1f 44 00 00 e9= a7 fe> sep 21 09:33:14 angela kernel: RSP: 0018:ffffb42640ab7dc8 EFLAGS: 00010246 sep 21 09:33:14 angela kernel: RAX: 0000000000000000 RBX: 0000000000000000 = RCX: 0000000000000000 sep 21 09:33:14 angela kernel: RDX: 0000000000000000 RSI: 0000000000000001 = RDI: ffff9399481e8900 sep 21 09:33:14 angela kernel: RBP: ffff9399481e8900 R08: 0000000000000000 = R09: 0000000000000000 sep 21 09:33:14 angela kernel: R10: 0000000000000001 R11: 0000000000000000 = R12: ffff9399481e9b00 sep 21 09:33:14 angela kernel: R13: 0000000000000000 R14: ffff9399634ff335 = R15: 0000000000000001 sep 21 09:33:14 angela kernel: FS: 0000000000000000(0000) GS:ffff93a0ef9c0= 000(0000) knlGS:0000000000000000 sep 21 09:33:14 angela kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800= 50033 sep 21 09:33:14 angela kernel: CR2: 00005614e1215588 CR3: 00000008a8020000 = CR4: 0000000000f50ee0 sep 21 09:33:14 angela kernel: PKRU: 55555554 sep 21 09:33:14 angela kernel: Call Trace: sep 21 09:33:14 angela kernel: sep 21 09:33:14 angela kernel: ? __ieee80211_scan_completed+0x308/0x320 [m= ac80211] sep 21 09:33:14 angela kernel: ? __warn+0x81/0x130 sep 21 09:33:14 angela kernel: ? __ieee80211_scan_completed+0x308/0x320 [m= ac80211] sep 21 09:33:14 angela kernel: ? report_bug+0x191/0x1c0 sep 21 09:33:14 angela kernel: ? handle_bug+0x3c/0x80 sep 21 09:33:14 angela kernel: ? exc_invalid_op+0x17/0x70 sep 21 09:33:14 angela kernel: ? asm_exc_invalid_op+0x1a/0x20 sep 21 09:33:14 angela kernel: ? __ieee80211_scan_completed+0x308/0x320 [m= ac80211] sep 21 09:33:14 angela kernel: ieee80211_scan_work+0x127/0x5d0 [mac80211] sep 21 09:33:14 angela kernel: ? __schedule+0x3e7/0xb80 sep 21 09:33:14 angela kernel: process_one_work+0x1de/0x3f0 sep 21 09:33:14 angela kernel: worker_thread+0x51/0x390 sep 21 09:33:14 angela kernel: ? __pfx_worker_thread+0x10/0x10 sep 21 09:33:14 angela kernel: kthread+0xf4/0x130 sep 21 09:33:14 angela kernel: ? __pfx_kthread+0x10/0x10 sep 21 09:33:14 angela kernel: ret_from_fork+0x31/0x50 sep 21 09:33:14 angela kernel: ? __pfx_kthread+0x10/0x10 sep 21 09:33:14 angela kernel: ret_from_fork_asm+0x1b/0x30 sep 21 09:33:14 angela kernel: sep 21 09:33:14 angela kernel: ---[ end trace 0000000000000000 ]--- sep 21 09:33:14 angela wpa_supplicant[1563]: wlan0: CTRL-EVENT-SCAN-FAILED = ret=3D-5 sep 21 09:33:15 angela kernel: iwlwifi 0000:a6:00.0: WFPM_UMAC_PD_NOTIFICAT= ION: 0x1f sep 21 09:33:15 angela kernel: iwlwifi 0000:a6:00.0: WFPM_LMAC2_PD_NOTIFICA= TION: 0x1f sep 21 09:33:15 angela kernel: iwlwifi 0000:a6:00.0: WFPM_AUTH_KEY_0: 0x80 sep 21 09:33:15 angela kernel: iwlwifi 0000:a6:00.0: CNVI_SCU_SEQ_DATA_DW9:= 0x0 sep 21 09:33:15 angela wpa_supplicant[1563]: wlan0: CTRL-EVENT-REGDOM-CHANG= E init=3DDRIVER type=3DWORLD Thanks for any ideas! --=20 La d=C3=A9mocratie r=C3=A9elle se d=C3=A9finit d'abord et avant tout par la participation massive des citoyens =C3=A0 la gestion des affaires de la cit= =C3=A9. Elle est directe et participative. Elle trouve son expression la plus authentique dans l'assembl=C3=A9e populaire et le dialogue permanent sur l'organisation de la vie en commun. - De la servitude moderne