From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from firstgate.proxmox.com (firstgate.proxmox.com [212.224.123.68]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.proxmox.com (Postfix) with ESMTPS id 4E25F8A31E for ; Tue, 16 Aug 2022 11:37:31 +0200 (CEST) Received: from firstgate.proxmox.com (localhost [127.0.0.1]) by firstgate.proxmox.com (Proxmox) with ESMTP id 40E171AC2C for ; Tue, 16 Aug 2022 11:37:31 +0200 (CEST) Received: from proxmox-new.maurer-it.com (proxmox-new.maurer-it.com [94.136.29.106]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by firstgate.proxmox.com (Proxmox) with ESMTPS for ; Tue, 16 Aug 2022 11:37:29 +0200 (CEST) Received: from proxmox-new.maurer-it.com (localhost.localdomain [127.0.0.1]) by proxmox-new.maurer-it.com (Proxmox) with ESMTP id 71D8C43322; Tue, 16 Aug 2022 11:37:29 +0200 (CEST) Date: Tue, 16 Aug 2022 11:37:28 +0200 From: Wolfgang Bumiller To: "DERUMIER, Alexandre" Cc: pve-devel Message-ID: <20220816093728.nh2r5kx5wpw3t4ih@casey.proxmox.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-SPAM-LEVEL: Spam detection results: 0 AWL 0.275 Adjusted score from AWL reputation of From: address BAYES_00 -1.9 Bayes spam probability is 0 to 1% KAM_DMARC_STATUS 0.01 Test Rule for DKIM or SPF Failure with Strict Alignment SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF Record SPF_PASS -0.001 SPF: sender matches SPF record T_SCC_BODY_TEXT_LINE -0.01 - Subject: Re: [pve-devel] maybe a windows reboot hang fix X-BeenThere: pve-devel@lists.proxmox.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Proxmox VE development discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 16 Aug 2022 09:37:31 -0000 On Mon, Aug 15, 2022 at 07:00:51AM +0000, DERUMIER, Alexandre wrote: > Hi, > I'm still trying to fix windows reboot hang after windows update (I also > have the problem in production). > > > I have found a related bug in redhat bugzilla > > https://bugzilla.redhat.com/show_bug.cgi?id=1975840#c151 > > > https://access.redhat.com/solutions/6836351 > Issue Microsoft Windows guests hang while rebooting, the bootscreen > shows the Windows log and the boot circle endlessly. > > Resolution There is no resolution or workaround at this time, please > power off the Guest and power on again. > > Root Cause This is Bug 1975840 - Windows guest hangs after updating and > restarting from the guest OS > > and is caused by a TSC (Time Stamp Counter) issue in Guest when it > overflows during boot time i > f the value provided by the virtualization platform is already high. It > tends to affect Guests with longer uptimes. > > > A patch has been in qemu master > https://github.com/qemu/qemu/commit/5286c3662294119dc2dd1e9296757337211451f6 Seems like qemu 7.0 already contains this, I just forwarded a 7.0 package to the pvetest repo if you'd like to play around with it :-)