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 022BFC25B10 for ; Mon, 6 May 2024 19:48:10 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 822B810F292; Mon, 6 May 2024 19:48:10 +0000 (UTC) X-Greylist: delayed 348 seconds by postgrey-1.36 at gabe; Mon, 06 May 2024 19:48:09 UTC Received: from bmailout2.hostsharing.net (bmailout2.hostsharing.net [83.223.78.240]) by gabe.freedesktop.org (Postfix) with ESMTPS id AF97410F357 for ; Mon, 6 May 2024 19:48:09 +0000 (UTC) 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 RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "*.hostsharing.net", Issuer "RapidSSL TLS RSA CA G1" (verified OK)) by bmailout2.hostsharing.net (Postfix) with ESMTPS id 10A5B2800B6D2; Mon, 6 May 2024 21:42:19 +0200 (CEST) Received: by h08.hostsharing.net (Postfix, from userid 100393) id DCDE14A9A40; Mon, 6 May 2024 21:42:18 +0200 (CEST) Date: Mon, 6 May 2024 21:42:18 +0200 From: Lukas Wunner To: Johannes Stezenbach , Thomas Zimmermann Cc: "Saarinen, Jani" , "intel-gfx@lists.freedesktop.org" Subject: Re: i915 IVB hangup after resume from s2mem since v6.6.x Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: 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" [cc += Thomas] On Mon, May 06, 2024 at 08:43:43PM +0200, Johannes Stezenbach wrote: > so, git bisect pointed to: > > commit 701d2054fa317188cd4039c84e72c73254013b23 > Author: Thomas Zimmermann > Date: Tue Jun 13 13:07:13 2023 +0200 > > fbdev: Make support for userspace interfaces configurable > > Add Kconfig option CONFIG_FB_DEVICE and make the virtual fbdev > ... > > I think nothing on my system uses /dev/fb*, thus I had disabled > CONFIG_FB_DEVICE. Everything worked, only suspend/resume broke. > I can confirm v6.8.9 with CONFIG_FB_DEVICE=y works fine. > > Maybe setting CONFIG_FB_DEVICE=n would allow you to reproduce > it in your CI tests? > Let me know if you still want me to file at bug report about this. A user-visible regression like this is always sufficient to ask for a revert of the offending commit. It's the commit author's duty to find a fix ASAP. If you could file a bug report that would be helpful but you've already done more than could be asked from any user. Thanks, Lukas