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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 EDC5AC5DF87 for ; Fri, 21 Aug 2026 09:50:14 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5F4AF10F2AA; Fri, 21 Aug 2026 09:50:14 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="FBQTVUtP"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.11]) by gabe.freedesktop.org (Postfix) with ESMTPS id B2E9E10F2AA for ; Fri, 21 Aug 2026 09:50:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1787305813; x=1818841813; h=message-id:subject:from:to:cc:date:in-reply-to: references:content-transfer-encoding:mime-version; bh=SR4DWJiqGghBFTzS3KA9iUFdXu7xAoAxfyqQ3MDAWcc=; b=FBQTVUtPl0P83IluAf/I06E8aHNFN2CmiSLyFVXroGvOZlG3x5aJRowI ENWVXbrnWkZmCUwenmRhs6PsSQKLIlBwnra6z6mTi4TkJl6yTDyxCCK79 1kkCvB4KQg2cz0E7RQPZRJ1qV5PSAEL0qpqHqapnUxiRRe6KJ93wChkfT 7UvdLFIzMhvInHBTqgEGCeF94Z6v3RkYfBYrRtNEarGVoQAEljRaJIawY 1eUZ99r+lhHhorOy0OglevLDUHBoeP4AmgBHR3lmKFmd3QTjMioBQ3C6Y zih3uTZkzQ3Fv6fBAVy5oaa0mje82FXDqkVLmzk8Bc98yuWb5pOgc2f3P w==; X-CSE-ConnectionGUID: KKvht5PaQKen/y87lUucAw== X-CSE-MsgGUID: 8mM5W4vkQ7KQlQsLJCgYlg== X-IronPort-AV: E=McAfee;i="6800,10657,11881"; a="98447516" X-IronPort-AV: E=Sophos;i="6.25,234,1779174000"; d="scan'208";a="98447516" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Aug 2026 02:50:12 -0700 X-CSE-ConnectionGUID: 1PROpwKxT+SxKbHirQrlqA== X-CSE-MsgGUID: oIdSvDRGRhSh7sfO/n/mKQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,234,1779174000"; d="scan'208";a="263643428" Received: from jkrzyszt-mobl2.ger.corp.intel.com ([10.245.246.165]) by fmviesa008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Aug 2026 02:50:09 -0700 Message-ID: <4bd61f0e5667100e9773e06c8cefe25a9f9c00ad.camel@linux.intel.com> Subject: Re: [PATCH] PCI: Disable not supported reset methods on DG1 0x4905 From: Janusz Krzysztofik To: Andi Shyti Cc: Bjorn Helgaas , linux-pci@vger.kernel.org, intel-gfx@lists.freedesktop.org, Joonas Lahtinen , Andi Shyti , Krzysztof Karas , Sebastian Brzezinka , Krzysztof Niemiec , linux-kernel@vger.kernel.org Date: Fri, 21 Aug 2026 11:50:07 +0200 In-Reply-To: References: <20260819102509.1662504-2-janusz.krzysztofik@linux.intel.com> Organization: Intel Technology Poland sp. z o.o. - ul. Slowackiego 173, 80-298 Gdansk - KRS 101882 - NIP 957-07-52-316 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.60.2 MIME-Version: 1.0 X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Hi Andi, On Fri, 2026-08-21 at 10:51 +0200, Andi Shyti wrote: > Hi Janusz, >=20 > On Wed, Aug 19, 2026 at 12:24:53PM +0200, Janusz Krzysztofik wrote: > > DRM CI consequently reports failing device reset attempts on Intel DG1 >=20 > do you mean "consistently reports"? Yeah, consistently is the right word. @Bjorn: should I submit v2, or can you handle that correction? Thanks, Janusz >=20 > > discrete graphics adapters. Manual reproduction attempts allowed to > > narrow down the scope of that problem to a specific revision of that > > hardware, SKU 8086:4905. It has been confirmed that both reset methods > > claimed by the device, i.e., flr and bus, suffer from that issue. > >=20 > > Since consecutively failing device resets may lead to system hangs, > > disable both useless reset methods. A respective CI test will then be > > skipped instead of aborting whole CI jobs. > >=20 > > Closes: https://gitlab.freedesktop.org/drm/i915/kernel/-/work_items/118= 14 > > Signed-off-by: Janusz Krzysztofik >=20 > Reviewed-by: Andi Shyti >=20 > Thanks, > Andi