To prevent this (at least for my case), avoid sending the Power Off Message to your VM when closing, better use the ACPI Shutdown method as Power off can leave (as we saw) your machine on an unwanted state. You can either re-create the VM and point to the existing VDI or create a full clone (it will take longer) and the delete the original. If it starts you know you have a problem with the original VM. That will simply copy the config files to the right place and link with the same VDI. The conclusion is then that the corruption is at the VM state level and we need to get rid of that.Ĭreate a linked Clone. Unless you power off your VM the "Close" function on your Vm window will ALWAYS save the state of the machine, so "Discarding" the state is only possible when you have two or more states because in that case at a minimum there is always the LAST state. The possibility is that the VM got corrupted at some point during shut down and that created the config corruption, not a VDI corruption at the VM level, not VirtualBox level. to determine the identifier for the external USB drive. The timing is very important, since OS X will try to remount the drive automatically. There's an actual file permissions issue An alternative to ejecting the USB external drive would be the following: Unmount the USB drive before starting the virtual machine.There's a problem with the install of Virtual Box.That completely discards two possibilities: bash: cd: /build/virtualbox-8vePuu/virtualbox-6.1.16-dfsg/: No such file or cd /buildīin dev home lib32 libx32 media opt root sbin sys usrīoot etc lib lib64 lost+found mnt proc run srv tmp varĪnother thing to notice is that for my case other VMs with VDIs in the same location don't have the problem. cd: /build/virtualbox-8vePuu/virtualbox-6.1.16-dfsg/src/VBox/Devices/Storage/: No such file or cd /build/virtualbox-8vePuu/virtualbox-6.1.16-dfsg/ So what the rc above really means is that it cannot FIND that file, because /build doesn't even exist (nor it seems to be supposed to). VMSetError: /build/virtualbox-8vePuu/virtualbox-6.1.16-dfsg/src/VBox/Devices/Storage/DrvVD.cpp(5228) int drvvdConstruct(PPDMDRVINS, PCFGMNODE, uint32_t) rc=VERR_VD_IMAGE_READ_ONLYīut the problem is the /build directory does not exist at all. In the example below the file under /build/virtualbox.is in read only mode. VMSetError and look for the matching RETURN CODE (rc) I'll take you through the steps for my particular use case but it should give you a general idea on how to look at the problem in order to find the correct solution.Ī.-Have a look at the actual logs of the VM:Ĭlick on the Menu Item, you should see three choices: The number one thing to do instead of guessing is diagnose and the best way to do that when you don't know what the problem is. Obviously, don't click on any suspicious links in the reviews, and have a nice day/night.Let's look at this from a troubleshooting perspective. I notice a handful of people that come here spamming viruses and porn ads, and I feel like I'm partially responsible for reviews like that. It is version 12.6.06, and 12.6.03 was used to circumvent an error preventing me from creating the file. I changed it to 12.6.03 so when you boot up this ISO, and quicklook at the app inside you may see that it says 12.6.03. I had to modify ist () to change the app version in order for it to work. dmg file also installs the application to your Applications folder.į2 - The app used to make the ISO was downloaded prior to Sierra being invalidated from the App Store, and also prior to being added to the support article in PKG form.į3 - When using the app to build the ISO, it failed. (Keep in mind that opening and running the. app/Contents/SharedSupport (This generates the app, and I will explain how the app is used) Move InstallESD.dmg to Payload/Install macOS. pkg file was unziped using pkgutil -expand-fullĢ. hdiutil convert /tmp/.dmg -format UDTO -o ~/Desktop/.cdrį1 - These ISOs were made using DMGs from this article.app/Contents/Resources/createinstallmedia -volume /Volumes/ -nointeraction hdiutil attach /tmp/.dmg -noverify -mountpoint /Volumes/.hdiutil create -o /tmp/ -size m -volname -layout SPUD -fs HFS+J.Download the installer: softwareupdate -fetch-full-installer -full-installer-version.
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