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 53292C433F5 for ; Thu, 11 Nov 2021 20:52:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 391C460E73 for ; Thu, 11 Nov 2021 20:52:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233940AbhKKUy7 (ORCPT ); Thu, 11 Nov 2021 15:54:59 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58722 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232666AbhKKUy4 (ORCPT ); Thu, 11 Nov 2021 15:54:56 -0500 Received: from mail-yb1-xb34.google.com (mail-yb1-xb34.google.com [IPv6:2607:f8b0:4864:20::b34]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 477D5C061766 for ; Thu, 11 Nov 2021 12:52:07 -0800 (PST) Received: by mail-yb1-xb34.google.com with SMTP id y3so18240324ybf.2 for ; Thu, 11 Nov 2021 12:52:07 -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=kyN9KPpJEiqasVoovUD2ShkSHxsg8GDQXZqCB7xqQao=; b=IEz3lhjwgibwspCVdh1v93npJ4/qkmXS3x+aNpifYgVqhND7dLTN9eIWI5dB+O0QfE c0xSfdbR+dWF4mueSUJiErO+4tDo9APKnLAaHUym/j+c4NIshuIx6qeIC649U1E9hitR PAsJe+0VRykwgoHmpEvg6svA0Hk3qJ/PAvPZlq6zOFRvLiXbmZfEcbsrDkseT8UmP7+I V3LL5/7Yjtqainyv8Okab9P8HHBWiDRTJTnfVsb1pyZRWgaMrplTHKVQ3z7g//thmlRC YT1zQla1i73Hn25e3zTCXUUcyJSwlpFcuTWNT+5FC6I9kuFtgNz7G/6PLYQFyL5ctt9B lWoA== 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=kyN9KPpJEiqasVoovUD2ShkSHxsg8GDQXZqCB7xqQao=; b=Q1CpcE8C8uo3a0Uqm16j9FZiMtSu4UU4TzGp/t00GLFhAW5QHIoE41LMC+TtCyCeXt YhV5XNPgtWP48gVKF2ImDhB5LDTQXGxwPIhZkblCylEI4u92f0YAFWRXjlX+93xQoAWZ h8yFLP6JPui4EoqjTbYr+i2UswjgRM+O5QHj732A7YpVdwpsYBW1ozHNv/RxpZSEUEJH f4TqfiOVZe2Gumhg4mMnu/WOojwOsPzQb9vs8mJH+M6UQJ25IM6X8RiilZZ4VgDV2u19 eUtXJggNzXsyp/zyJxoCD1WwMydFDr1PDdXfxcaG7+LrUH1k57oXxEnnjpSttuu3EOTb iYrQ== X-Gm-Message-State: AOAM531sQ1rIw/iiePuaUhc+NF3mYrT7Zlpmbqei/HHzmgzeqyY780t9 KuQLcb7ixJECnhcnUOu6pRDqZ+n4S49kKt7VkHI= X-Google-Smtp-Source: ABdhPJwBytVtWwVGDTLmrrLfoxxM3A2+VqmPf4lQGtZ4h23e0LlCj+4GenH3Hsb1R+qFOlorixMzitEgzrKFh6o1SR4= X-Received: by 2002:a25:bb52:: with SMTP id b18mr12085046ybk.506.1636663926521; Thu, 11 Nov 2021 12:52:06 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Sudip Mukherjee Date: Thu, 11 Nov 2021 20:51:30 +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 Thu, Nov 11, 2021 at 2:03 PM Sudip Mukherjee wrote: > > Hi Linus, > > My testing has been failing for the last few days. Last good test was > with 6f2b76a4a384 and I started seeing the failure with ce840177930f5 > where boot timeout. > > Last good test - https://openqa.qa.codethink.co.uk/tests/323 > Failing test - https://openqa.qa.codethink.co.uk/tests/335 > > Saw a similar issue with 5.10.79-rc1 today and bisect showed the > problem with 8615ff6dd1ac but that was already in the last good test I > had. Did a bisect and this is a separate issue than the one we saw in 5.10.79-rc1. The bisect log: # bad: [ce840177930f591a181f55515fc6ac9e1f56b84a] Merge tag 'defconfig-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc # good: [6f2b76a4a384e05ac8d3349831f29dff5de1e1e2] Merge tag 'Smack-for-5.16' of https://github.com/cschaufler/smack-next git bisect start 'ce840177930f5' '6f2b76a4a384e05ac8d3349831f29dff5de1e1e2' # good: [a64a325bf6313aa5cde7ecd691927e92892d1b7f] Merge tag 'afs-next-20211102' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs git bisect good a64a325bf6313aa5cde7ecd691927e92892d1b7f # bad: [dcd68326d29b62f3039e4f4d23d3e38f24d37360] Merge tag 'devicetree-for-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux git bisect bad dcd68326d29b62f3039e4f4d23d3e38f24d37360 # bad: [c7c774fe09389fc806bbe4b487c18e45f576c1ae] Merge tag 'drm-intel-next-2021-10-04' of git://anongit.freedesktop.org/drm/drm-intel into drm-next git bisect bad c7c774fe09389fc806bbe4b487c18e45f576c1ae # good: [8017ecb11ebbcdfcbdff14c5edbdf1efc14991f4] drm/amd/display: Added root clock optimization flags git bisect good 8017ecb11ebbcdfcbdff14c5edbdf1efc14991f4 # good: [8a1ec3f3275479292613273a7be2ac87f2a7f6e6] drm/i915: Remove DP_PORT_EN stuff from link training code git bisect good 8a1ec3f3275479292613273a7be2ac87f2a7f6e6 # bad: [9962601ca5719050906915c3c33a63744ac7b15c] drm/bridge: dw-hdmi-cec: Make use of the helper function devm_add_action_or_reset() git bisect bad 9962601ca5719050906915c3c33a63744ac7b15c # bad: [606b102876e3741851dfb09d53f3ee57f650a52c] drm: fb_helper: fix CONFIG_FB dependency git bisect bad 606b102876e3741851dfb09d53f3ee57f650a52c # good: [c43da06c24a485308e80d709737b446e8cad175d] dt-bindings: drm/panel: boe-tv101wum-nl6: Support enabling a 3.3V rail git bisect good c43da06c24a485308e80d709737b446e8cad175d # good: [8d6b006e1f51c99016aa39ca9e03947cbdd024e3] drm/virtio: implement context init: handle VIRTGPU_CONTEXT_PARAM_POLL_RINGS_MASK git bisect good 8d6b006e1f51c99016aa39ca9e03947cbdd024e3 # bad: [d0f5d790ae863079025398015eb59347b01db455] drm/ttm: remove TTM_PAGE_FLAG_NO_RETRY git bisect bad d0f5d790ae863079025398015eb59347b01db455 # bad: [f5d28856b89baab4232a9f841e565763fcebcdf9] drm/ttm: stop calling tt_swapin in vm_access git bisect bad f5d28856b89baab4232a9f841e565763fcebcdf9 # bad: [78aa20fa4381623cf59a85d053486f98784ca3a0] drm/virtio: implement context init: advertise feature to userspace git bisect bad 78aa20fa4381623cf59a85d053486f98784ca3a0 # bad: [cd7f5ca33585918febe5e2f6dc090a21cfa775b0] drm/virtio: implement context init: add virtio_gpu_fence_event git bisect bad cd7f5ca33585918febe5e2f6dc090a21cfa775b0 # first bad commit: [cd7f5ca33585918febe5e2f6dc090a21cfa775b0] drm/virtio: implement context init: add virtio_gpu_fence_event And, indeed reverting cd7f5ca33585 on top of debe436e77c7 has fixed the problem I was seeing on my qemu test of x86_64. The qemu image is based on Ubuntu. Will be happy to test any fix or more debugging if needed. -- 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 E6B5CC433F5 for ; Thu, 11 Nov 2021 20:52:13 +0000 (UTC) Received: from smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133]) (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 82C9F60C40 for ; Thu, 11 Nov 2021 20:52:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 82C9F60C40 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 smtp2.osuosl.org (Postfix) with ESMTP id E81FD40476; Thu, 11 Nov 2021 20:52:12 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id XNqfzmKDGQMs; Thu, 11 Nov 2021 20:52:11 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [IPv6:2605:bc80:3010:104::8cd3:938]) by smtp2.osuosl.org (Postfix) with ESMTPS id A4A5F4037A; Thu, 11 Nov 2021 20:52:10 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 64550C0012; Thu, 11 Nov 2021 20:52:10 +0000 (UTC) Received: from smtp2.osuosl.org (smtp2.osuosl.org [IPv6:2605:bc80:3010::133]) by lists.linuxfoundation.org (Postfix) with ESMTP id 05C5BC000E for ; Thu, 11 Nov 2021 20:52:09 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id F3CF64037A for ; Thu, 11 Nov 2021 20:52:08 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id A8hTfSG1fUyz for ; Thu, 11 Nov 2021 20:52:07 +0000 (UTC) X-Greylist: whitelisted by SQLgrey-1.8.0 Received: from mail-yb1-xb36.google.com (mail-yb1-xb36.google.com [IPv6:2607:f8b0:4864:20::b36]) by smtp2.osuosl.org (Postfix) with ESMTPS id 97451400C1 for ; Thu, 11 Nov 2021 20:52:07 +0000 (UTC) Received: by mail-yb1-xb36.google.com with SMTP id s186so18131588yba.12 for ; Thu, 11 Nov 2021 12:52:07 -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=kyN9KPpJEiqasVoovUD2ShkSHxsg8GDQXZqCB7xqQao=; b=IEz3lhjwgibwspCVdh1v93npJ4/qkmXS3x+aNpifYgVqhND7dLTN9eIWI5dB+O0QfE c0xSfdbR+dWF4mueSUJiErO+4tDo9APKnLAaHUym/j+c4NIshuIx6qeIC649U1E9hitR PAsJe+0VRykwgoHmpEvg6svA0Hk3qJ/PAvPZlq6zOFRvLiXbmZfEcbsrDkseT8UmP7+I V3LL5/7Yjtqainyv8Okab9P8HHBWiDRTJTnfVsb1pyZRWgaMrplTHKVQ3z7g//thmlRC YT1zQla1i73Hn25e3zTCXUUcyJSwlpFcuTWNT+5FC6I9kuFtgNz7G/6PLYQFyL5ctt9B lWoA== 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=kyN9KPpJEiqasVoovUD2ShkSHxsg8GDQXZqCB7xqQao=; b=TaxtwNilEKWGdiptiz7Q3M1wW5sgmx4yKE/TGdX3lr26GVk+ESLshwkaRGOgmwnTJ+ NFbwfXedGZfmclABEHgN0L1ob1c0OIyBAXYlufBeKuHjF6dk9Z+w0j1B7uGt0S5ncWFd aLTn/bZhyPKWXqnFoC0WcNnJ6pCOm10qN7fhqLo+6bYUVkOQiW7kUcS9td1puubGeOGz kDtHVF3gHHgyixkVZoi7gxS2zs8uRUkYMBp9cJI+olbmxt8VZz/CNp/0DRVop1yovN4c 40iimCrI2yowY15IPdrfa5vWinD4DN2VJJDs+x7A9kO1xtMkPn1bEHF4FD3Ap9MgZH1m A90g== X-Gm-Message-State: AOAM531Rc0Ei2eimJ5/JD/UjtinGaCw0amXqJLFJl98lV3k62W6mUmJG OS1ZS55l1xVflrkErAU1eh9RKSU27cMhRNQZgUI= X-Google-Smtp-Source: ABdhPJwBytVtWwVGDTLmrrLfoxxM3A2+VqmPf4lQGtZ4h23e0LlCj+4GenH3Hsb1R+qFOlorixMzitEgzrKFh6o1SR4= X-Received: by 2002:a25:bb52:: with SMTP id b18mr12085046ybk.506.1636663926521; Thu, 11 Nov 2021 12:52:06 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Sudip Mukherjee Date: Thu, 11 Nov 2021 20:51:30 +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 Thu, Nov 11, 2021 at 2:03 PM Sudip Mukherjee wrote: > > Hi Linus, > > My testing has been failing for the last few days. Last good test was > with 6f2b76a4a384 and I started seeing the failure with ce840177930f5 > where boot timeout. > > Last good test - https://openqa.qa.codethink.co.uk/tests/323 > Failing test - https://openqa.qa.codethink.co.uk/tests/335 > > Saw a similar issue with 5.10.79-rc1 today and bisect showed the > problem with 8615ff6dd1ac but that was already in the last good test I > had. Did a bisect and this is a separate issue than the one we saw in 5.10.79-rc1. The bisect log: # bad: [ce840177930f591a181f55515fc6ac9e1f56b84a] Merge tag 'defconfig-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc # good: [6f2b76a4a384e05ac8d3349831f29dff5de1e1e2] Merge tag 'Smack-for-5.16' of https://github.com/cschaufler/smack-next git bisect start 'ce840177930f5' '6f2b76a4a384e05ac8d3349831f29dff5de1e1e2' # good: [a64a325bf6313aa5cde7ecd691927e92892d1b7f] Merge tag 'afs-next-20211102' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs git bisect good a64a325bf6313aa5cde7ecd691927e92892d1b7f # bad: [dcd68326d29b62f3039e4f4d23d3e38f24d37360] Merge tag 'devicetree-for-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux git bisect bad dcd68326d29b62f3039e4f4d23d3e38f24d37360 # bad: [c7c774fe09389fc806bbe4b487c18e45f576c1ae] Merge tag 'drm-intel-next-2021-10-04' of git://anongit.freedesktop.org/drm/drm-intel into drm-next git bisect bad c7c774fe09389fc806bbe4b487c18e45f576c1ae # good: [8017ecb11ebbcdfcbdff14c5edbdf1efc14991f4] drm/amd/display: Added root clock optimization flags git bisect good 8017ecb11ebbcdfcbdff14c5edbdf1efc14991f4 # good: [8a1ec3f3275479292613273a7be2ac87f2a7f6e6] drm/i915: Remove DP_PORT_EN stuff from link training code git bisect good 8a1ec3f3275479292613273a7be2ac87f2a7f6e6 # bad: [9962601ca5719050906915c3c33a63744ac7b15c] drm/bridge: dw-hdmi-cec: Make use of the helper function devm_add_action_or_reset() git bisect bad 9962601ca5719050906915c3c33a63744ac7b15c # bad: [606b102876e3741851dfb09d53f3ee57f650a52c] drm: fb_helper: fix CONFIG_FB dependency git bisect bad 606b102876e3741851dfb09d53f3ee57f650a52c # good: [c43da06c24a485308e80d709737b446e8cad175d] dt-bindings: drm/panel: boe-tv101wum-nl6: Support enabling a 3.3V rail git bisect good c43da06c24a485308e80d709737b446e8cad175d # good: [8d6b006e1f51c99016aa39ca9e03947cbdd024e3] drm/virtio: implement context init: handle VIRTGPU_CONTEXT_PARAM_POLL_RINGS_MASK git bisect good 8d6b006e1f51c99016aa39ca9e03947cbdd024e3 # bad: [d0f5d790ae863079025398015eb59347b01db455] drm/ttm: remove TTM_PAGE_FLAG_NO_RETRY git bisect bad d0f5d790ae863079025398015eb59347b01db455 # bad: [f5d28856b89baab4232a9f841e565763fcebcdf9] drm/ttm: stop calling tt_swapin in vm_access git bisect bad f5d28856b89baab4232a9f841e565763fcebcdf9 # bad: [78aa20fa4381623cf59a85d053486f98784ca3a0] drm/virtio: implement context init: advertise feature to userspace git bisect bad 78aa20fa4381623cf59a85d053486f98784ca3a0 # bad: [cd7f5ca33585918febe5e2f6dc090a21cfa775b0] drm/virtio: implement context init: add virtio_gpu_fence_event git bisect bad cd7f5ca33585918febe5e2f6dc090a21cfa775b0 # first bad commit: [cd7f5ca33585918febe5e2f6dc090a21cfa775b0] drm/virtio: implement context init: add virtio_gpu_fence_event And, indeed reverting cd7f5ca33585 on top of debe436e77c7 has fixed the problem I was seeing on my qemu test of x86_64. The qemu image is based on Ubuntu. Will be happy to test any fix or more debugging if needed. -- 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 9C059C433EF for ; Thu, 11 Nov 2021 20:52:10 +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 5397360C40 for ; Thu, 11 Nov 2021 20:52:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 5397360C40 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 335476E0BF; Thu, 11 Nov 2021 20:52:09 +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 5A4096E0BF for ; Thu, 11 Nov 2021 20:52:07 +0000 (UTC) Received: by mail-yb1-xb2f.google.com with SMTP id q74so18129846ybq.11 for ; Thu, 11 Nov 2021 12:52:07 -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=kyN9KPpJEiqasVoovUD2ShkSHxsg8GDQXZqCB7xqQao=; b=IEz3lhjwgibwspCVdh1v93npJ4/qkmXS3x+aNpifYgVqhND7dLTN9eIWI5dB+O0QfE c0xSfdbR+dWF4mueSUJiErO+4tDo9APKnLAaHUym/j+c4NIshuIx6qeIC649U1E9hitR PAsJe+0VRykwgoHmpEvg6svA0Hk3qJ/PAvPZlq6zOFRvLiXbmZfEcbsrDkseT8UmP7+I V3LL5/7Yjtqainyv8Okab9P8HHBWiDRTJTnfVsb1pyZRWgaMrplTHKVQ3z7g//thmlRC YT1zQla1i73Hn25e3zTCXUUcyJSwlpFcuTWNT+5FC6I9kuFtgNz7G/6PLYQFyL5ctt9B lWoA== 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=kyN9KPpJEiqasVoovUD2ShkSHxsg8GDQXZqCB7xqQao=; b=paADa3Tw1i9qj+wIRK7CQJ+v7vxq7aNIaSwArj7pwKnjkP89VRS7u/jwed42rsZfuE rzGAD/hIYz9yjNvJbRJgcyE2tLf+5lL1qBYgMiMo/okAa6cviGhofrsBOqBG7jC7JNWT IPOhOL6QyqgAX7u2uqniJxn2pOmsnLnwKFh5nFqCryT/2JwsP/zj90fCUlcT5obkG2kg oisEdIoM8xEae1SPvjFuRsXCZ09kSyGtfegiMt8eDWBHLvgowH7vFgvVN1ihQoYDOlAo FZjQjHdGfxE9DVFQKDMB+ktWcJmTOxqFsfR2FvVQfXz5XmdvFxH3+f+FrOjs1B0Do/AV XLyg== X-Gm-Message-State: AOAM533PLzKZcqsxxpdz/iJzsivInLr812ypm/8KBH2Mb8b9rfhND57+ 6rwfryMSxzAqUnItfSJvzhJuMGrgM1TNV4ADWqA= X-Google-Smtp-Source: ABdhPJwBytVtWwVGDTLmrrLfoxxM3A2+VqmPf4lQGtZ4h23e0LlCj+4GenH3Hsb1R+qFOlorixMzitEgzrKFh6o1SR4= X-Received: by 2002:a25:bb52:: with SMTP id b18mr12085046ybk.506.1636663926521; Thu, 11 Nov 2021 12:52:06 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Sudip Mukherjee Date: Thu, 11 Nov 2021 20:51:30 +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 Thu, Nov 11, 2021 at 2:03 PM Sudip Mukherjee wrote: > > Hi Linus, > > My testing has been failing for the last few days. Last good test was > with 6f2b76a4a384 and I started seeing the failure with ce840177930f5 > where boot timeout. > > Last good test - https://openqa.qa.codethink.co.uk/tests/323 > Failing test - https://openqa.qa.codethink.co.uk/tests/335 > > Saw a similar issue with 5.10.79-rc1 today and bisect showed the > problem with 8615ff6dd1ac but that was already in the last good test I > had. Did a bisect and this is a separate issue than the one we saw in 5.10.79-rc1. The bisect log: # bad: [ce840177930f591a181f55515fc6ac9e1f56b84a] Merge tag 'defconfig-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc # good: [6f2b76a4a384e05ac8d3349831f29dff5de1e1e2] Merge tag 'Smack-for-5.16' of https://github.com/cschaufler/smack-next git bisect start 'ce840177930f5' '6f2b76a4a384e05ac8d3349831f29dff5de1e1e2' # good: [a64a325bf6313aa5cde7ecd691927e92892d1b7f] Merge tag 'afs-next-20211102' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs git bisect good a64a325bf6313aa5cde7ecd691927e92892d1b7f # bad: [dcd68326d29b62f3039e4f4d23d3e38f24d37360] Merge tag 'devicetree-for-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux git bisect bad dcd68326d29b62f3039e4f4d23d3e38f24d37360 # bad: [c7c774fe09389fc806bbe4b487c18e45f576c1ae] Merge tag 'drm-intel-next-2021-10-04' of git://anongit.freedesktop.org/drm/drm-intel into drm-next git bisect bad c7c774fe09389fc806bbe4b487c18e45f576c1ae # good: [8017ecb11ebbcdfcbdff14c5edbdf1efc14991f4] drm/amd/display: Added root clock optimization flags git bisect good 8017ecb11ebbcdfcbdff14c5edbdf1efc14991f4 # good: [8a1ec3f3275479292613273a7be2ac87f2a7f6e6] drm/i915: Remove DP_PORT_EN stuff from link training code git bisect good 8a1ec3f3275479292613273a7be2ac87f2a7f6e6 # bad: [9962601ca5719050906915c3c33a63744ac7b15c] drm/bridge: dw-hdmi-cec: Make use of the helper function devm_add_action_or_reset() git bisect bad 9962601ca5719050906915c3c33a63744ac7b15c # bad: [606b102876e3741851dfb09d53f3ee57f650a52c] drm: fb_helper: fix CONFIG_FB dependency git bisect bad 606b102876e3741851dfb09d53f3ee57f650a52c # good: [c43da06c24a485308e80d709737b446e8cad175d] dt-bindings: drm/panel: boe-tv101wum-nl6: Support enabling a 3.3V rail git bisect good c43da06c24a485308e80d709737b446e8cad175d # good: [8d6b006e1f51c99016aa39ca9e03947cbdd024e3] drm/virtio: implement context init: handle VIRTGPU_CONTEXT_PARAM_POLL_RINGS_MASK git bisect good 8d6b006e1f51c99016aa39ca9e03947cbdd024e3 # bad: [d0f5d790ae863079025398015eb59347b01db455] drm/ttm: remove TTM_PAGE_FLAG_NO_RETRY git bisect bad d0f5d790ae863079025398015eb59347b01db455 # bad: [f5d28856b89baab4232a9f841e565763fcebcdf9] drm/ttm: stop calling tt_swapin in vm_access git bisect bad f5d28856b89baab4232a9f841e565763fcebcdf9 # bad: [78aa20fa4381623cf59a85d053486f98784ca3a0] drm/virtio: implement context init: advertise feature to userspace git bisect bad 78aa20fa4381623cf59a85d053486f98784ca3a0 # bad: [cd7f5ca33585918febe5e2f6dc090a21cfa775b0] drm/virtio: implement context init: add virtio_gpu_fence_event git bisect bad cd7f5ca33585918febe5e2f6dc090a21cfa775b0 # first bad commit: [cd7f5ca33585918febe5e2f6dc090a21cfa775b0] drm/virtio: implement context init: add virtio_gpu_fence_event And, indeed reverting cd7f5ca33585 on top of debe436e77c7 has fixed the problem I was seeing on my qemu test of x86_64. The qemu image is based on Ubuntu. Will be happy to test any fix or more debugging if needed. -- Regards Sudip