From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f179.google.com (mail-pf1-f179.google.com [209.85.210.179]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1A826811E7; Mon, 15 Apr 2024 20:15:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.179 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713212132; cv=none; b=oXvukSCESvP+zE3XmCCRo4WeT1kaPs1iU8DlBGYp0xec7zAbrUGwGAQAG6IV1NGQmCuPVQLRHuG66EP+hWN8cnmZ2B2xHKMEJV6Ia3if36ScD8uHR9kuva3ahZVhBIQ+jFpIu5PiFFiSq8VqG6P7krxxUVKKo3Kn7lmz9iCGWX0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713212132; c=relaxed/simple; bh=x009S4Q4i/2wOS31bqm4Mw3McE4pheaTIN5NwCFvr5c=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=lVxlFaLQd2PbtXOQMeetf3A/puunuui35D8yOpgdlhsFeJoyOf1Y/y54y/EeW2Gq6c6PhLdJ4tnSkEq/CbQtvFTKmCL1a2zlktYdu9P+TGeGyg+3C1+yfixVkTJbp87kPTKHrIqLjOh/wiSPYHY09RNgjgvj0ltcH8FU1JNOnHE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org; spf=pass smtp.mailfrom=gmail.com; arc=none smtp.client-ip=209.85.210.179 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-pf1-f179.google.com with SMTP id d2e1a72fcca58-6e782e955adso3662711b3a.3; Mon, 15 Apr 2024 13:15:30 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1713212130; x=1713816930; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=iqK2eKIP/xF81JVkMZqp7Qx6AZ/CY+WMk90Q12OqdUU=; b=H43XNw0cgtV4fMsa1dUd5lLFunhsbxNckg3NHKP09Ld0EOHxWBW6vFsOkbZ5jV0vYP zyYuETRLMb4ajU1wpkvbH/yvw1Q5lLY2ZXsvDU/5sVNoqoh6epwckq9E6xUvefZh2cqp EC6+Cwc3RI51vGVQFHfjvsnn41Tz7eb3G2sPpauB2eBwd/wpCca44ll6pLpjDDqXjlNz yKpe1LeChYoy1+rUg6Y0HfMsUDClwzBdavtFS982j5J2nOovgHtArf0jUlgSxuaehYJA 65MjlOumAwNL+g96FK0XPpWfBiMQPEOt+Pfagw+I8oxptLve3EYkRg7jjlVxJFCsNAZ5 n4mQ== X-Forwarded-Encrypted: i=1; AJvYcCVns6KXULQ6gNXgrAsXKTxwWePv3EEi9LR6vjz+2TqE67aLujEKV/hipbnFoRc1sPMQ/gcLA/ZE7FWAgTrxCmsMBxAatPqUYhT2zKM8FbHvM/fLzj1LUfU7wyI6/XTR/7QjkL5okw8rO6s/ X-Gm-Message-State: AOJu0Yx2rkNa2dtQR+M6P1rEE0HknhU+p1abgGj6bgXBzp+GzCjCdZ1t UPcE8zoSQ5AQ3afrAe2+YTVF8QmIiuOp8DTpL3/GUhcIqYqWVI2ZrwAkcA== X-Google-Smtp-Source: AGHT+IGs0Q5Xg54In8UDqMKlLRdGQvsq6QS49ZTJ3r7y93Y9vztBHzgcR9YrY6hmb8ZYM6zf1lQpeA== X-Received: by 2002:a05:6a21:2d87:b0:1a9:c28e:bc17 with SMTP id ty7-20020a056a212d8700b001a9c28ebc17mr12026418pzb.45.1713212130276; Mon, 15 Apr 2024 13:15:30 -0700 (PDT) Received: from liuwe-devbox-debian-v2 ([20.69.120.36]) by smtp.gmail.com with ESMTPSA id bz25-20020a056a02061900b005f3d2a9a91bsm6463293pgb.89.2024.04.15.13.15.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 15 Apr 2024 13:15:29 -0700 (PDT) Date: Mon, 15 Apr 2024 20:15:27 +0000 From: Wei Liu To: Michael Schierl Cc: Jean Delvare , "K. Y. Srinivasan" , Haiyang Zhang , Wei Liu , Dexuan Cui , linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: Early kernel panic in dmi_decode when running 32-bit kernel on Hyper-V on Windows 11 Message-ID: References: <2db080ae-5e59-46e8-ac4e-13cdf26067cc@gmx.de> Precedence: bulk X-Mailing-List: linux-hyperv@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2db080ae-5e59-46e8-ac4e-13cdf26067cc@gmx.de> On Sat, Apr 13, 2024 at 03:06:05PM +0200, Michael Schierl wrote: > [please cc: me as I am not subscribed to either mailing list] > [...] > [Slightly off-topic: As 64-bit kernels work fine, if there are ways to > run a 32-bit userland containerized or chrooted in a 64-bit kernel so > that the userland (espeically uname and autoconf) cannot distinguish > from a 32-bit kernel, that might be another option for my use case. > Nested virtualization would of course also work, but the performance > loss due to nested virtualization negates the effect of being able to > pass more than one of the (2 physical, 4 hyperthreaded) cores of my > laptop to the VM]. > Have you tried `linux32`? See https://linux.die.net/man/8/linux32 Thanks, Wei. > > > Thanks for help and best regards, > > > Michael