Re: [Intel-gfx] i915 flickering with 5.12.X kernels

From: "Saarinen, Jani" <jani.saarinen@intel.com>
To: Risto Paavola <risto.paavola@gmail.com>,
	"jani.nikula@linux.intel.com" <jani.nikula@linux.intel.com>,
	"joonas.lahtinen@linux.intel.com"
	<joonas.lahtinen@linux.intel.com>,
	"Vivi, Rodrigo" <rodrigo.vivi@intel.com>,
	"airlied@linux.ie" <airlied@linux.ie>,
	"daniel@ffwll.ch" <daniel@ffwll.ch>,
	"intel-gfx@lists.freedesktop.org"
	<intel-gfx@lists.freedesktop.org>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"dri-devel@lists.freedesktop.org"
	<dri-devel@lists.freedesktop.org>
Subject: Re: [Intel-gfx] i915 flickering with 5.12.X kernels
Date: Thu, 6 May 2021 13:29:23 +0000	[thread overview]
Message-ID: <1bb75145f1e243298cf1c15bcbe9010f@intel.com> (raw)
In-Reply-To: <CAMvHt_eAPg9XLzjT06fJh2jJ6=7ps-XqQmimMiivassdsmRhOw@mail.gmail.com>

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See: https://gitlab.freedesktop.org/drm/intel/-/wikis/How-to-file-i915-bugs

From: Intel-gfx <intel-gfx-bounces@lists.freedesktop.org> On Behalf Of Risto Paavola
Sent: torstai 6. toukokuuta 2021 8.20
To: jani.nikula@linux.intel.com; joonas.lahtinen@linux.intel.com; Vivi, Rodrigo <rodrigo.vivi@intel.com>; airlied@linux.ie; daniel@ffwll.ch; intel-gfx@lists.freedesktop.org
Cc: linux-kernel@vger.kernel.org; dri-devel@lists.freedesktop.org
Subject: Re: [Intel-gfx] i915 flickering with 5.12.X kernels

Hello again,

I am trying to repost this message with one smaller video since I got many error messages about oversized attachments.

BR,
-Risto

to 6. toukok. 2021 klo 7.57 Risto Paavola (risto.paavola@gmail.com<mailto:risto.paavola@gmail.com>) kirjoitti:
Hello!

I noticed that when I compiled 5.12 and 5.12.1 kernels my display started to flicker maybe in once a second.

With kernel 5.11.16 or below that there is no flickering. I'm using Gentoo testing and all other packages remained the same when I switched between 5.11.16 and 5.12.X.

I have attached a couple of videos to this email to demonstrate the problem with kernel version 5.12.1. Sorry about the file sizes.

These are the errors I am seeing in journal:
May 06 07:49:24 nyrkki kernel: ACPI Error: Needed type [Reference], found [Integer] 0000000090bcaee8 (20210105/exresop-66)
May 06 07:49:24 nyrkki kernel: ACPI Error: AE_AML_OPERAND_TYPE, While resolving operands for [OpcodeName unavailable] (20210105/dswexec-431)
May 06 07:49:24 nyrkki kernel: ACPI Error: Aborting method \_PR.CPU0._PDC due to previous error (AE_AML_OPERAND_TYPE) (20210105/psparse-529)
May 06 07:49:47 nyrkki kernel: DMAR: DRHD: handling fault status reg 2
May 06 07:49:47 nyrkki kernel: DMAR: [DMA Write] Request device [00:02.0] PASID ffffffff fault addr c7fe5000 [fault reason 05] PTE Write access is not set
May 06 07:49:47 nyrkki kernel: Bluetooth: hci0: unexpected event for opcode 0xfc2f
May 06 07:49:49 nyrkki sddm-helper[2258]: gkr-pam: unable to locate daemon control file
May 06 07:49:52 nyrkki kwin_x11[2322]: kwin_xkbcommon: XKB: couldn't find a Compose file for locale "en_FI.UTF-8"
May 06 07:49:58 nyrkki systemd-coredump[4290]: [🡕] Process 2376 (baloo_file) of user 1000 dumped core.

I have noticed that people were having these kinds of issues a couple of years ago with pstates and/or psr. Maybe this bug in the latest kernel is also related to them?

Hardware:
Lenovo Thinkpad X1 Carbon, gen 2
Latest BIOS 1.40
Intel(R) Core(TM) i7-4550U CPU with Intel HD Graphics 5000
14.0" WQHD (2560x1440), 300nit, IPS

Best Regards,
-Risto

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