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Month: February 2018

System Thread Exception Not Handled

I’ve just been through a few days of struggling with the System thread exception not handled BSOD on my Windows 10 VM under qemu kvm/virt-manager. This has been an interesting issue to resolve as it hasn’t really behaved consistently. Upon first encountering it, my initial response was “too hard basket”. As I’ve gone to the trouble of creating my passthrough VMs and backups, I immediately resorted to restoring a full virtual disk back up. This worked and had me very pleased as a proof of my premise…briefly. After a few reboots it was back. The next candidate was Windows Update, as I assumed some process must be dynamically interfering with the system to replicate the issue, and the most likely to start reproducing a problem on an aged image was updates; the updates would download right away. I then had the system fully working with latest updates and thought I…


Shrink a Qemu KVM virtual disk

Shrinking a virtual disk isn’t something that comes up often. Usually you tend to grow your virtual machines. I, however came across the requirement on my home workstation to shrink a Qemu virtual disk running Windows 10 as I wanted to enhance backup/deployment of the OS itself and externalise the games/other software therein. If you’re running a home system with contention for SSD space then you might have a similar issue. Information wasn’t readily available though I did find a very helpful response on Server Fault that gave me the basis for my method. You may want to cross reference that for further information. If you already have an adequate amount of unallocated storage on your disk, skip to step 3. If you do not have storage unallocated to partitions on the virtual disk, you’ll need to shrink your partition/s. In Windows you can do this in Disk Management, even for an online…

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