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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9F71FC433F5 for ; Sat, 13 Nov 2021 21:35:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 77A4C60E9B for ; Sat, 13 Nov 2021 21:35:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236106AbhKMViZ (ORCPT ); Sat, 13 Nov 2021 16:38:25 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55910 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234306AbhKMViW (ORCPT ); Sat, 13 Nov 2021 16:38:22 -0500 Received: from mail-yb1-xb2c.google.com (mail-yb1-xb2c.google.com [IPv6:2607:f8b0:4864:20::b2c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 34D61C061766 for ; Sat, 13 Nov 2021 13:35:30 -0800 (PST) Received: by mail-yb1-xb2c.google.com with SMTP id y3so34125109ybf.2 for ; Sat, 13 Nov 2021 13:35:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=mSXJ3uMUoVuuhGKC/oVSm8bEZNFwZL8IbH9GMbqinz8=; b=dkaTRJTRIi4ZifpY9ICa/j7nErEweW4HufoKRtFVlWbkDqfE4ttOCtu7D5UAdvMdgM PWs9pViYlrbvAtah2pdcHABvOMfIs0sZlVgdDFdbzbzPz2qxb5Zc5BAnRhtc2vU8s2u4 f96KLpJKEmp/G/mmEkgTXD+UJ8eZ7EO9ENCU8FuPCqr0uhYFEf59rUGKutg4J8bXgU0V fkW4Tdf4cC2QgTk941IQoGtpRpl2n+7AXMqSRU1jm6y8Or5cHZ+XM4AK6Y9OW6xlu57r 4yTL12Ous6bHQraMdkCLQTtwlIRAY7mxzuOlGD00jNimEmG7l3bwEIUnk1bDoAA8R86T xFmw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=mSXJ3uMUoVuuhGKC/oVSm8bEZNFwZL8IbH9GMbqinz8=; b=oBkbHi8hLvFwQFzcujD4NPQdUENWuyMMW4USnHhmdS/PCcEs638EjAKK+AsWmDvguL dwoGdGoiGxExCl05Nnl9CoP1Vk63dnO7+3eYS66neKs8odd9h2mHgDbhAZ3+dpR3Hsa+ e1e2AfGsqV5ISLo6oMNOcrSbSRRPNPc/8Gn4XYajFw9WT9ARPZPOMSGETd05hqAlGwMX gqNy6Sf7hSCT68e74fEmQLOLyWcvNYlvkU4iZ41IBIZrFUT1sKBWiDeaAFHChHse8DAc ADny8CQLEzpD65bbyPVQidRZ40JPFCCaNuJK+0NtFUW1piTj5CR/H9Bav0FrgkPt1EI/ RNmg== X-Gm-Message-State: AOAM530XihHKa3GFvpE0b1FKPMUIelpL8dCLucH9yDPO9iPfw4s0EP7v X74gJyLtFD3/2tgLKV7/ohDAdRkDHrfS1hohrnvEiO+2PuM= X-Google-Smtp-Source: ABdhPJxiyniWoK2HoBAw4yOk/7IK6gECxvBOuNXSV39rmBpeaxcPXsgNhCEjQ1hAuKN5hNQecWTsHtNVolyHlBLYX3w= X-Received: by 2002:a25:488:: with SMTP id 130mr27073299ybe.346.1636839329289; Sat, 13 Nov 2021 13:35:29 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Sudip Mukherjee Date: Sat, 13 Nov 2021 21:34:53 +0000 Message-ID: Subject: Re: regression with mainline kernel To: Linus Torvalds Cc: linux-kernel , Gurchetan Singh , Nicholas Verne , Gerd Hoffmann , dri-devel , "open list:VIRTIO GPU DRIVER" , Daniel Vetter Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Linus, On Sat, Nov 13, 2021 at 5:07 PM Linus Torvalds wrote: > > [ Hmm. This email was marked as spam for me. I see no obvious reason > for it being marked as spam, but it happens.. ] > > On Thu, Nov 11, 2021 at 12:52 PM Sudip Mukherjee > wrote: > > > > # first bad commit: [cd7f5ca33585918febe5e2f6dc090a21cfa775b0] > > drm/virtio: implement context init: add virtio_gpu_fence_event > > Hmm. Judging from your automated screenshots, the login never appears. > > > HOWEVER - it has had a fix for a NULL pointer dereference in the > meantime - can you check whether the current top of tree happens to > work for you? Maybe your problem isn't due to "that commit does > unnatural things", but simply due to the bug fixed in d89c0c8322ec > ("drm/virtio: Fix NULL dereference error in virtio_gpu_poll"). > > And if it's still broken with that commit, I'll happily revert it and > people need to go back to the drawing board. I sent another mail yesterday which is now at https://lore.kernel.org/lkml/CADVatmOOzCxAgLhCu1tTz=44sgRDXds5-oMZ3V0w4f5kLCLKrw@mail.gmail.com/ I will just pase that here for you. Last night's test on 66f4beaa6c1d worked fine. So I guess this has now been fixed. I have not done a bisect to see what has fixed it, but looking at the log I think it will be that NULL pointer fix. -- Regards Sudip 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9FA64C433EF for ; Sat, 13 Nov 2021 21:35:35 +0000 (UTC) Received: from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 4019460E90 for ; Sat, 13 Nov 2021 21:35:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 4019460E90 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id EDD6B402BF; Sat, 13 Nov 2021 21:35:34 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id f1bRZSjws2ih; Sat, 13 Nov 2021 21:35:34 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [IPv6:2605:bc80:3010:104::8cd3:938]) by smtp4.osuosl.org (Postfix) with ESMTPS id 9477E402A8; Sat, 13 Nov 2021 21:35:33 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 5F9C5C002E; Sat, 13 Nov 2021 21:35:33 +0000 (UTC) Received: from smtp4.osuosl.org (smtp4.osuosl.org [IPv6:2605:bc80:3010::137]) by lists.linuxfoundation.org (Postfix) with ESMTP id 6ED67C0012 for ; Sat, 13 Nov 2021 21:35:31 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 49656402AA for ; Sat, 13 Nov 2021 21:35:31 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 6IVFkljWD2Qr for ; Sat, 13 Nov 2021 21:35:30 +0000 (UTC) X-Greylist: whitelisted by SQLgrey-1.8.0 Received: from mail-yb1-xb31.google.com (mail-yb1-xb31.google.com [IPv6:2607:f8b0:4864:20::b31]) by smtp4.osuosl.org (Postfix) with ESMTPS id 60662402A8 for ; Sat, 13 Nov 2021 21:35:30 +0000 (UTC) Received: by mail-yb1-xb31.google.com with SMTP id g17so33974842ybe.13 for ; Sat, 13 Nov 2021 13:35:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=mSXJ3uMUoVuuhGKC/oVSm8bEZNFwZL8IbH9GMbqinz8=; b=dkaTRJTRIi4ZifpY9ICa/j7nErEweW4HufoKRtFVlWbkDqfE4ttOCtu7D5UAdvMdgM PWs9pViYlrbvAtah2pdcHABvOMfIs0sZlVgdDFdbzbzPz2qxb5Zc5BAnRhtc2vU8s2u4 f96KLpJKEmp/G/mmEkgTXD+UJ8eZ7EO9ENCU8FuPCqr0uhYFEf59rUGKutg4J8bXgU0V fkW4Tdf4cC2QgTk941IQoGtpRpl2n+7AXMqSRU1jm6y8Or5cHZ+XM4AK6Y9OW6xlu57r 4yTL12Ous6bHQraMdkCLQTtwlIRAY7mxzuOlGD00jNimEmG7l3bwEIUnk1bDoAA8R86T xFmw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=mSXJ3uMUoVuuhGKC/oVSm8bEZNFwZL8IbH9GMbqinz8=; b=YOXZIaQMkS7RoqWEeXRg+76HNRM+qXsC07cljKcSph6On58ObUdZjXQyNvwW+MsOUt ZVRZYC0zrX4ZDgs7mXm9ZXVchGUM9uRk/K7IUfiIl90COLCmi9bbRt7NLzRpUoNEp9cH 4oyoOxG9j4IpeAZ3rRuU56gMX+JmT8gNBYfxkz4/SETe86A/h40GJT2OdEevabIQSpUp WrYn48NoOJfRn8ID9P1Yf0+oY3P7OZf0Ndedo8JyA7C+UUF60ijV8ch+fNRuuEKfR8ef NHuTFuBwsyxDL0Hy1Noy+MOuc+W0qcW2xQ+bjTopSwHnjfPIkU2zvb0t251uiauspXeb EM5g== X-Gm-Message-State: AOAM530uiUHw9CQtjdhj7qDPTYLTFlOut8nhMtDWpEXgAkoj0Be8reLC qGpl45+/2BZxidmOaT+NZB/7OTmanzODEY2jh2s= X-Google-Smtp-Source: ABdhPJxiyniWoK2HoBAw4yOk/7IK6gECxvBOuNXSV39rmBpeaxcPXsgNhCEjQ1hAuKN5hNQecWTsHtNVolyHlBLYX3w= X-Received: by 2002:a25:488:: with SMTP id 130mr27073299ybe.346.1636839329289; Sat, 13 Nov 2021 13:35:29 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Sudip Mukherjee Date: Sat, 13 Nov 2021 21:34:53 +0000 Message-ID: Subject: Re: regression with mainline kernel To: Linus Torvalds Cc: linux-kernel , Nicholas Verne , dri-devel , "open list:VIRTIO GPU DRIVER" , Daniel Vetter , Gurchetan Singh X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" Hi Linus, On Sat, Nov 13, 2021 at 5:07 PM Linus Torvalds wrote: > > [ Hmm. This email was marked as spam for me. I see no obvious reason > for it being marked as spam, but it happens.. ] > > On Thu, Nov 11, 2021 at 12:52 PM Sudip Mukherjee > wrote: > > > > # first bad commit: [cd7f5ca33585918febe5e2f6dc090a21cfa775b0] > > drm/virtio: implement context init: add virtio_gpu_fence_event > > Hmm. Judging from your automated screenshots, the login never appears. > > > HOWEVER - it has had a fix for a NULL pointer dereference in the > meantime - can you check whether the current top of tree happens to > work for you? Maybe your problem isn't due to "that commit does > unnatural things", but simply due to the bug fixed in d89c0c8322ec > ("drm/virtio: Fix NULL dereference error in virtio_gpu_poll"). > > And if it's still broken with that commit, I'll happily revert it and > people need to go back to the drawing board. I sent another mail yesterday which is now at https://lore.kernel.org/lkml/CADVatmOOzCxAgLhCu1tTz=44sgRDXds5-oMZ3V0w4f5kLCLKrw@mail.gmail.com/ I will just pase that here for you. Last night's test on 66f4beaa6c1d worked fine. So I guess this has now been fixed. I have not done a bisect to see what has fixed it, but looking at the log I think it will be that NULL pointer fix. -- Regards Sudip _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9088CC433EF for ; Sat, 13 Nov 2021 21:35:33 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 44E4460E9B for ; Sat, 13 Nov 2021 21:35:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 44E4460E9B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 779006E062; Sat, 13 Nov 2021 21:35:31 +0000 (UTC) Received: from mail-yb1-xb2f.google.com (mail-yb1-xb2f.google.com [IPv6:2607:f8b0:4864:20::b2f]) by gabe.freedesktop.org (Postfix) with ESMTPS id 413656E062 for ; Sat, 13 Nov 2021 21:35:30 +0000 (UTC) Received: by mail-yb1-xb2f.google.com with SMTP id v7so34216998ybq.0 for ; Sat, 13 Nov 2021 13:35:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=mSXJ3uMUoVuuhGKC/oVSm8bEZNFwZL8IbH9GMbqinz8=; b=dkaTRJTRIi4ZifpY9ICa/j7nErEweW4HufoKRtFVlWbkDqfE4ttOCtu7D5UAdvMdgM PWs9pViYlrbvAtah2pdcHABvOMfIs0sZlVgdDFdbzbzPz2qxb5Zc5BAnRhtc2vU8s2u4 f96KLpJKEmp/G/mmEkgTXD+UJ8eZ7EO9ENCU8FuPCqr0uhYFEf59rUGKutg4J8bXgU0V fkW4Tdf4cC2QgTk941IQoGtpRpl2n+7AXMqSRU1jm6y8Or5cHZ+XM4AK6Y9OW6xlu57r 4yTL12Ous6bHQraMdkCLQTtwlIRAY7mxzuOlGD00jNimEmG7l3bwEIUnk1bDoAA8R86T xFmw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=mSXJ3uMUoVuuhGKC/oVSm8bEZNFwZL8IbH9GMbqinz8=; b=cadAhIm2xBy2Dx9fUzWj5ZM8tbaa3sFLYy5w4v+Stp0Ur1JwkZ39OB32r0VgLLT+So FNdCFaEgbKLXCrQ1WfjC5mHUZam7nt9L8Idyfu74RrTjOBGCMF33N7PKC34LDwI/xhep AIeCQcYdlXYAXBRzUmC7LFlKY7E/ZELSroSKYzDo4LREautDUVAYq//Yo6hG0gDpbz6p 8c7FWSUQdL+RWXJuhs5dC8njJAyIHK5Y8hJNiO22yzudrsjOMIDHj33w+VX5cDq3Ij9v +6/wRn9Qbi8DdUd/JRjprewfw6FiCL/FGiVx+0NB/rgoG79FABakkLHuHY93cchRHxpC tArg== X-Gm-Message-State: AOAM530OvyydCMsVOrfhxMsnOYwwbu3CBeyO4nIYoKbxZpSX5+QoD6hu //5wZCSNagwU6ApkjNMrfvQZK0tlKYGitSL3p8Q= X-Google-Smtp-Source: ABdhPJxiyniWoK2HoBAw4yOk/7IK6gECxvBOuNXSV39rmBpeaxcPXsgNhCEjQ1hAuKN5hNQecWTsHtNVolyHlBLYX3w= X-Received: by 2002:a25:488:: with SMTP id 130mr27073299ybe.346.1636839329289; Sat, 13 Nov 2021 13:35:29 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Sudip Mukherjee Date: Sat, 13 Nov 2021 21:34:53 +0000 Message-ID: Subject: Re: regression with mainline kernel To: Linus Torvalds Content-Type: text/plain; charset="UTF-8" X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-kernel , Nicholas Verne , dri-devel , "open list:VIRTIO GPU DRIVER" , Gerd Hoffmann , Gurchetan Singh Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Hi Linus, On Sat, Nov 13, 2021 at 5:07 PM Linus Torvalds wrote: > > [ Hmm. This email was marked as spam for me. I see no obvious reason > for it being marked as spam, but it happens.. ] > > On Thu, Nov 11, 2021 at 12:52 PM Sudip Mukherjee > wrote: > > > > # first bad commit: [cd7f5ca33585918febe5e2f6dc090a21cfa775b0] > > drm/virtio: implement context init: add virtio_gpu_fence_event > > Hmm. Judging from your automated screenshots, the login never appears. > > > HOWEVER - it has had a fix for a NULL pointer dereference in the > meantime - can you check whether the current top of tree happens to > work for you? Maybe your problem isn't due to "that commit does > unnatural things", but simply due to the bug fixed in d89c0c8322ec > ("drm/virtio: Fix NULL dereference error in virtio_gpu_poll"). > > And if it's still broken with that commit, I'll happily revert it and > people need to go back to the drawing board. I sent another mail yesterday which is now at https://lore.kernel.org/lkml/CADVatmOOzCxAgLhCu1tTz=44sgRDXds5-oMZ3V0w4f5kLCLKrw@mail.gmail.com/ I will just pase that here for you. Last night's test on 66f4beaa6c1d worked fine. So I guess this has now been fixed. I have not done a bisect to see what has fixed it, but looking at the log I think it will be that NULL pointer fix. -- Regards Sudip