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15.21.0071.014; Fri, 29 May 2026 14:44:52 +0000 Message-ID: Date: Fri, 29 May 2026 10:44:49 -0400 User-Agent: Mozilla Thunderbird Subject: Re: [OE-core][PATCH] qemu: upgrade 10.2.0 -> 11.0.0 To: Mathieu Dubois-Briand , openembedded-core@lists.openembedded.org References: <20260528202639.4097815-1-Quan.Sun@windriver.com> Content-Language: en-US From: Quan Sun In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed X-ClientProxiedBy: BLAPR03CA0145.namprd03.prod.outlook.com (2603:10b6:208:32e::30) To IA0PR11MB7283.namprd11.prod.outlook.com (2603:10b6:208:439::10) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: IA0PR11MB7283:EE_|IA1PR11MB6444:EE_ X-MS-Office365-Filtering-Correlation-Id: 3cf5cda5-2b5c-4d57-bccd-08debd90d74a X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|1800799024|366016|5023799004|4143699003|56012099006|11063799006|18002099003|22082099003; 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Content-Transfer-Encoding: quoted-printable X-MIME-Autoconverted: from 8bit to quoted-printable by mx0a-0064b401.pphosted.com id 64TDmr4B4191179 List-Id: X-Webhook-Received: from 45-33-107-173.ip.linodeusercontent.com [45.33.107.173] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Fri, 29 May 2026 14:45:08 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/237759 On 5/29/26 8:42 AM, Mathieu Dubois-Briand wrote: > CAUTION: This email comes from a non Wind River email account! > Do not click links or open attachments unless you recognize the sender = and know the content is safe. > > On Thu May 28, 2026 at 10:26 PM CEST, Quan Sun via lists.openembedded.o= rg wrote: >> From: Quan Sun >> >> Upgrade QEMU to version 11.0.0. >> > Hi, > > Thanks for the new version. > > It looks like we are almost there, I now have just one selftest failing= : > 2026-05-29 08:23:23,583 - oe-selftest - INFO - runtime_test.TestImage.t= est_testimage_virgl_gtk_sdl (subunit.RemotedTestCase) > 2026-05-29 08:23:23,584 - oe-selftest - INFO - ... FAIL > ... > runqemu - ERROR - Failed to run qemu: qemu-system-x86_64: -qmp unix:./.= i1y4asol,server,wait: info: QEMU waiting for connection on: disconnected:= unix:./.i1y4asol,server=3Don > qemu-system-x86_64: warning: host doesn't support requested feature: CP= UID[eax=3D07h,ecx=3D00h].EBX.hle [bit 4] > qemu-system-x86_64: warning: host doesn't support requested feature: CP= UID[eax=3D07h,ecx=3D00h].EBX.rtm [bit 11] > qemu-system-x86_64: warning: host doesn't support requested feature: CP= UID[eax=3D07h,ecx=3D00h].EBX.hle [bit 4] > qemu-system-x86_64: warning: host doesn't support requested feature: CP= UID[eax=3D07h,ecx=3D00h].EBX.rtm [bit 11] > qemu-system-x86_64: warning: host doesn't support requested feature: CP= UID[eax=3D07h,ecx=3D00h].EBX.hle [bit 4] > qemu-system-x86_64: warning: host doesn't support requested feature: CP= UID[eax=3D07h,ecx=3D00h].EBX.rtm [bit 11] > qemu-system-x86_64: warning: host doesn't support requested feature: CP= UID[eax=3D07h,ecx=3D00h].EBX.hle [bit 4] > qemu-system-x86_64: warning: host doesn't support requested feature: CP= UID[eax=3D07h,ecx=3D00h].EBX.rtm [bit 11] > glx: failed to create dri3 screen > failed to load driver: vgem > > https://autobuilder.yoctoproject.org/valkyrie/#/builders/35/builds/3924 > https://autobuilder.yoctoproject.org/valkyrie/#/builders/48/builds/3786 > > Can you have a look at the issue? > > Thanks, > Mathieu Hi Mathieu, It seems this issue is not caused by the qemu upgrade. I also asked an=20 AI agent to carefully examine the build/test logs, and the following is=20 what it says: --- Root Cause --- The only failing test is=20 runtime_test.TestImage.test_testimage_virgl_gtk_sdl =E2=80=94 and it is NOT caused by the QEMU 10.2=E2=86=9211.0 upgrade. It's a GPU/graphics = driver=20 issue on the autobuilder worker host. The key error messages are: glx: failed to create dri3 screen failed to load driver: vgem This means QEMU 11.0's virgl (GPU virtualization) display backend=20 (-display gtk,gl=3Don) failed because the autobuilder host (ubuntu2510-vk-1) doesn't have a=20 working DRI3/GPU driver setup. The vgem (Virtual GEM) driver failed to load, which=20 prevents virgl from initializing OpenGL, which causes QEMU to exit immediately before the=20 QMP monitor connection can be established. --- Why this is NOT a QEMU upgrade regression --- 1. 685 out of 686 tests passed =E2=80=94 including many other QEMU-based = tests=20 (runqemu boot tests, testimage_dnf, testimage_install, testimage_slirp,=20 testimage_virgl_headless, etc.) 2. The test_testimage_virgl_headless test (virgl without GTK/SDL=20 display) passed fine =E2=80=94 confirming QEMU itself works. 3. The failure is specifically in the GTK+SDL+GL display path, which=20 requires a functional GPU/DRI3 stack on the host. 4. This is a known class of intermittent/environment-dependent failure=20 on CI workers that lack proper GPU passthrough. Please check if it's a pre-existing autobuilder infrastructure issue =E2=80= =94=20 the worker ubuntu2510-vk-1 doesn 't have a working DRI3 GPU driver for virgl's GTK/SDL/GL display mode.=20 This test may likely also fail (or maybe flaky) with QEMU 10.2 on that same worker. Thanks, Quan > > -- > Mathieu Dubois-Briand, Bootlin > Embedded Linux and Kernel engineering > https://bootlin.com >