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 A30D7C433FE for ; Mon, 7 Nov 2022 11:49:24 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E2FB910E2EE; Mon, 7 Nov 2022 11:49:23 +0000 (UTC) Received: from pandora.armlinux.org.uk (pandora.armlinux.org.uk [IPv6:2001:4d48:ad52:32c8:5054:ff:fe00:142]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8E8AB10E2EE for ; Mon, 7 Nov 2022 11:49:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=iOrHuKIoCEocvdRDb3SsdQoHjhsaydl18023Uf4ugU8=; b=whcULJjFaG9nnsrSzEziwUih5W qWQVMbTDfOp8a1RTmOsEvwyr7TxOrx3rs1n/MKbfXAA9UStlHeG57qkISHOCL4pkYzUEQKGRcByzD njkbwkinenJfhqPX85z46V8ZmyMW5z7CSyKi3YEm8GlN1ykL4ADuOtXtrokOYidhzh7MZ910MDSjN Z5yZlTSAdB0wlZQyzET6jwIHmDrbjH6JR+7rpkirKhGpYrh7XSiMLVw4lhCS6TgMlXRbKOWEeDeZX Q7iNKrQqGka3ZPvygclVS90sDM7GTeohYN7pn0Ui2eSCpqucGnGpg1R3G4vPnz7lVrR+sB4XUeemV 4FOUCz2Q==; Received: from shell.armlinux.org.uk ([fd8f:7570:feb6:1:5054:ff:fe00:4ec]:35150) by pandora.armlinux.org.uk with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1os0cQ-0001rO-3H; Mon, 07 Nov 2022 11:48:46 +0000 Received: from linux by shell.armlinux.org.uk with local (Exim 4.94.2) (envelope-from ) id 1os0cO-0003lM-IR; Mon, 07 Nov 2022 11:48:44 +0000 Date: Mon, 7 Nov 2022 11:48:44 +0000 From: "Russell King (Oracle)" To: "Saarinen, Jani" Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Subject: Re: [Intel-gfx] BUG: i915: flickering/temporary artifacts after resume 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: , Cc: "intel-gfx@lists.freedesktop.org" , "Vivi, Rodrigo" Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" On Mon, Nov 07, 2022 at 09:29:33AM +0000, Saarinen, Jani wrote: > Hi Russell, > Can you make new gitlab: https://gitlab.freedesktop.org/drm/intel/-/wikis/How-to-file-i915-bugs ? Hi, Unfortunately, I can't get any more information, and trying to get a photo of the problem is utterly impossible, beacuse it's almost always a momentary corruption - out of all the cases, I have only seen it remain on-screen once. Also, it can take months of suspend/resume cycles for it to occur, which makes it difficult to reproduce using the "latest" kernel - beacuse by the time the latest kernel has shown the problem, there's a more modern kernel! Using the intel reg dumper may provide some useful information. That said, running it from the debian stable repository gives me: (intel_reg:338236) intel_mmio-CRITICAL: Test assertion failure function intel_mmio_use_pci_bar, file ../lib/intel_mmio.c:146: (intel_reg:338236) intel_mmio-CRITICAL: Failed assertion: !(error != 0) (intel_reg:338236) intel_mmio-CRITICAL: Last errno: 1, Operation not permitted (intel_reg:338236) intel_mmio-CRITICAL: Couldn't map MMIO region Test (null) failed. **** DEBUG **** (intel_reg:338236) intel_chipset-DEBUG: Test requirement passed: pci_dev (intel_reg:338236) intel_mmio-CRITICAL: Test assertion failure function intel_mmio_use_pci_bar, file ../lib/intel_mmio.c:146: (intel_reg:338236) intel_mmio-CRITICAL: Failed assertion: !(error != 0) (intel_reg:338236) intel_mmio-CRITICAL: Last errno: 1, Operation not permitted (intel_reg:338236) intel_mmio-CRITICAL: Couldn't map MMIO region (intel_reg:338236) igt_core-INFO: Stack trace: (intel_reg:338236) igt_core-INFO: #0 [__igt_fail_assert+0x113] (intel_reg:338236) igt_core-INFO: #1 [intel_mmio_use_pci_bar+0xc4] (intel_reg:338236) igt_core-INFO: #2 [intel_register_access_init+0x1b] (intel_reg:338236) igt_core-INFO: #3 [+0xec025c3a] (intel_reg:338236) igt_core-INFO: #4 [+0xec0246f6] (intel_reg:338236) igt_core-INFO: #5 [__libc_start_main+0xea] (intel_reg:338236) igt_core-INFO: #6 [+0xec0247ba] **** END **** -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!