From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7CBFC14C59D; Mon, 13 May 2024 11:32:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715599954; cv=none; b=Cd2KsA5noNMdENr+Z0WexqnixgQXJjZCugUGIJGPNUY0nDfj9Su3P6dwhQ/ORLJLZjqdJsiQ0VJ7ioOTtgKO1d+27bbu04Pgaq3GxnIjxiHr7AF/2dHi4dNmyRSU/4agnZKaaOGwwuwHsCvcJft2C+gTpL7vOT1DEg4Ut3Jzkvo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715599954; c=relaxed/simple; bh=5Q7SvryTCkzI9i/Yhjm3yvtskbQvHGoyG+prJzmV6EA=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Eo7On/VamYK5pP9aZv5l2tiRycglpKh9+EKY5dlCh0f0noKaJ6z5tfej5XLdl1FmdmzyXun4cs2UegWSZkaYcm8NcXlFwJZVzjpUYDlAqwA9CwBCSRXN8h+jIhYlq2uBxqR+0Fkc9MAXKifY8MQ1NdaooOHiT2paDibC+CT2u00= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=Qdlm8FPk; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="Qdlm8FPk" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9C740C113CC; Mon, 13 May 2024 11:32:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1715599954; bh=5Q7SvryTCkzI9i/Yhjm3yvtskbQvHGoyG+prJzmV6EA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Qdlm8FPkdFGhDn47egt8X7tUXbgywLQZMqliFak8Bqx5vK/s4QUWAtE+8k5Vd3AJq vj7N3p1X1b7+aK3LYX9o8/jF2zcI+78oDC0vorFQaUfS+u5hjCN8urYZvDUTo5573W qa4kcDv7DZx/eo5xXJnrNCHIsLO3p2pgO1dwT6QI= Date: Mon, 13 May 2024 13:32:31 +0200 From: Greg KH To: Linux regressions mailing list Cc: stable@vger.kernel.org, airlied@gmail.com, airlied@redhat.com, daniel@ffwll.ch, dreaming.about.electric.sheep@gmail.com, dri-devel@lists.freedesktop.org, kraxel@redhat.com, linux-kernel@vger.kernel.org, maarten.lankhorst@linux.intel.com, mripard@kernel.org, spice-devel@lists.freedesktop.org, tzimmermann@suse.de, virtualization@lists.linux.dev, Anders Blomdell , David Wang <00107082@163.com> Subject: Re: [Regression] 6.9.0: WARNING: workqueue: WQ_MEM_RECLAIM ttm:ttm_bo_delayed_delete [ttm] is flushing !WQ_MEM_RECLAIM events:qxl_gc_work [qxl] Message-ID: <2024051324-unfitted-levitator-cae6@gregkh> References: <20240430061337.764633-1-00107082@163.com> <20240506143003.4855-1-00107082@163.com> <7e3fdac4-e0bc-42f4-9bb3-a6b16f323491@leemhuis.info> Precedence: bulk X-Mailing-List: virtualization@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <7e3fdac4-e0bc-42f4-9bb3-a6b16f323491@leemhuis.info> On Wed, May 08, 2024 at 02:51:10PM +0200, Linux regression tracking (Thorsten Leemhuis) wrote: > On 08.05.24 14:35, Anders Blomdell wrote: > > On 2024-05-07 07:04, Linux regression tracking (Thorsten Leemhuis) wrote: > >> On 06.05.24 16:30, David Wang wrote: > >>>> On 30.04.24 08:13, David Wang wrote: > >> > >>>> And confirmed that the warning is caused by > >>>> 07ed11afb68d94eadd4ffc082b97c2331307c5ea and reverting it can fix. > >>> > >>> The kernel warning still shows up in 6.9.0-rc7. > >>> (I think 4 high load processes on a 2-Core VM could easily trigger > >>> the kernel warning.) > >> > >> Thx for the report. Linus just reverted the commit 07ed11afb68 you > >> mentioned in your initial mail (I put that quote in again, see above): > >> > >> 3628e0383dd349 ("Reapply "drm/qxl: simplify qxl_fence_wait"") > >> https://git.kernel.org/torvalds/c/3628e0383dd349f02f882e612ab6184e4bb3dc10 > >> > >> So this hopefully should be history now. > >> > > Since this affects the 6.8 series (6.8.7 and onwards), I made a CC to > > stable@vger.kernel.org > > Ohh, good idea, I thought Linus had added a stable tag, but that is not > the case. Adding Greg as well and making things explicit: > > @Greg: you might want to add 3628e0383dd349 ("Reapply "drm/qxl: simplify > qxl_fence_wait"") to all branches that received 07ed11afb68d94 ("Revert > "drm/qxl: simplify qxl_fence_wait"") (which afaics went into v6.8.7, > v6.6.28, v6.1.87, and v5.15.156). Now queued up, thanks. greg k-h