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[192.0.220.237]) by smtp.gmail.com with ESMTPSA id 8926c6da1cb9f-4dc72781364sm419237173.140.2024.10.25.13.49.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 25 Oct 2024 13:49:26 -0700 (PDT) Date: Fri, 25 Oct 2024 16:49:23 -0400 From: Mark Johnston To: Guido Falsi Cc: Current FreeBSD , "virtualization@freebsd.org" Subject: Re: bhyve regression (head): windows VMs failing with error 0xc000021a Message-ID: References: <6a2a37b3-353e-40ca-b8a9-f4ef97733da8@madpilot.net> List-Id: Discussion List-Archive: https://lists.freebsd.org/archives/freebsd-virtualization List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: freebsd-virtualization@freebsd.org Sender: owner-freebsd-virtualization@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <6a2a37b3-353e-40ca-b8a9-f4ef97733da8@madpilot.net> X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US] X-Rspamd-Queue-Id: 4XZvzD6j7Fz4qdV X-Spamd-Bar: ---- On Fri, Oct 25, 2024 at 09:24:13PM +0200, Guido Falsi wrote: > Hi, > > I've recently updated my current machines to git commit > 525a177c165740fc697df3de5b92e58b3b41477c (Sun Oct 20 22:43:41 2024 -0800) > and just have Windows 10 VMs fail to start in bhyve with the error in the > subject. > > I've been unable to recover them with usual tricks (automatic recovery, > chkdsk, and other tools provided by the OS). Looks like the machine fails to > read C: after boot. > > These machines were working fine before the update, so my suspect is that > some recent change in bhyve is causing the issue and the VMs would be > otherwise fine. > > The VMs have their filesystems in compressed zvols. > > Anyone has an idea or can point to some change I can test reverting? Just a guess, but you might try adding "-o pci.enable_bars=true" to the bhyve command line arguments > I an also try bisecting, I'd guess the issue is quite recent. Which revision did you update from? > Thanks in advance for any advice. > > Obviously if any further info is needed just ask. What command line arguments are passed to bhyve? What boot firmware are you using?