From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2721ACD6E52 for ; Sun, 31 May 2026 20:49:36 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [45.14.194.44]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 3EBC8601D1; Sun, 31 May 2026 22:49:22 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 3EBC8601D1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1780260572; bh=A/3Ndw/QNFZQki1U23VUVmD30t5e7rQNDVkmvPlwrHM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-Id: List-Archive:List-Help:List-Owner:List-Post:List-Subscribe: List-Unsubscribe:From; b=opVIsIFwKTaDsMoim29I0viFys0CxO3Qdfm1aGVsFtHK4hJ7ZmTRezVZfifGZT/l0 55/NKhGCp29LyuheBkc15qKZ8DzsG8KITrVkxjVgocFFKRtpdtj8Y9406jP5A7OBtK d72yovKtoM/a5SMIYLmdyE14MZgWy/6i9wB34ZT8= Received: by alsa1.perex.cz (Postfix, from userid 50401) id B0ABAF805E6; Sun, 31 May 2026 22:48:54 +0200 (CEST) Received: from mailman-core.alsa-project.org (mailman-core.alsa-project.org [10.254.200.10]) by alsa1.perex.cz (Postfix) with ESMTP id 62F77F805E6; Sun, 31 May 2026 22:48:54 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id B091DF805B0; Sun, 31 May 2026 22:48:47 +0200 (CEST) Received: from mailout3.hostsharing.net (mailout3.hostsharing.net [144.76.133.104]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 9EAA8F80075 for ; Sun, 31 May 2026 22:48:45 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 9EAA8F80075 Received: from h08.hostsharing.net (h08.hostsharing.net [IPv6:2a01:37:1000::53df:5f1c:0]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384 client-signature ECDSA (secp384r1) client-digest SHA384) (Client CN "*.hostsharing.net", Issuer "GlobalSign GCC R6 AlphaSSL CA 2025" (verified OK)) by mailout3.hostsharing.net (Postfix) with ESMTPS id 91D1DC07; Sun, 31 May 2026 22:48:44 +0200 (CEST) Received: by h08.hostsharing.net (Postfix, from userid 100393) id 4E93E601807C; Sun, 31 May 2026 22:48:44 +0200 (CEST) Date: Sun, 31 May 2026 22:48:44 +0200 From: Lukas Wunner To: Filippe Duke Cc: "regressions@lists.linux.dev" , "superm1@kernel.org" , "linux-pci@vger.kernel.org" , "bhelgaas@google.com" , "alsa-devel@alsa-project.org" , "tiwai@suse.com" Subject: Re: [REGRESSION][BISECTED] HDA controller MMIO unreadable on Intel 5-series PCH (Ibex Peak) since v6.16 Message-ID: References: <5e54aea4a97f1cbbe866d9d8f3f25f9f2958e1c9.camel@greennet.ua> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Message-ID-Hash: MVECL2EL32RDIGCVBKK4LKVBPWFWSLOS X-Message-ID-Hash: MVECL2EL32RDIGCVBKK4LKVBPWFWSLOS X-MailFrom: lukas@wunner.de X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; loop; banned-address; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; emergency; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.10 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: On Sun, May 31, 2026 at 07:49:59PM +0000, Filippe Duke wrote: > 00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset High Definition Audio (rev 05) (prog-if 00 [HDA compatible]) > Subsystem: Acer Incorporated [ALI] Device 0357 > Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+ > Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- Latency: 0 > Interrupts: pin B disabled, MSI(X) routed to IRQ 34 > Region 0: Memory at cc100000 (64-bit, non-prefetchable) [size=16K] > Capabilities: [50] Power Management version 2 > Flags: PMEClk- DSI- D1- D2- AuxCurrent=55mA PME(D0+,D1-,D2-,D3hot+,D3cold+) > Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- > Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit+ > Address: 0000000000000000 Data: 0000 MSI is enabled but address is zeroed. Please provide "sudo lspci -vvv" output of a working kernel so that we can see whether there's no MSI address configured there either. Thanks, Lukas