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Unanswered Questions

4,294 questions with no answers
8 votes
0 answers
1k views

Running Android Emulator with HAXM acceleration and VirtualBox in parallel on Windows

I am trying to understand if it is feasible to run the Android Emulator with HAXM-based acceleration and VirtualBox side by side on the same Windows host. I have a Windows host running a 64 bit ...
8 votes
0 answers
1k views

VBoxManage: error: Cannot read the partition information from '/dev/disk0'

I'm trying to make a partition .vmdk file for Virtual Box. Basically I want to boot my bootcamp partition box up in Virtual Box. But I get the following error when I try to make the .vmdk file ...
7 votes
0 answers
18k views

How to overcome VirtualBox 256MB limit of video memory

My host machine has a 2GB graphic card (GeForce GT740M) but VirtualBox allows me to use just 256MB of memory. Because I would use CAD applications on Win7 (Guest) I would like to have more memory to ...
7 votes
0 answers
3k views

Reading data from a 23 year old IDE harddrive

I have a 200 MB Western Digital 2.5" IDE drive, originally from an Amiga 1200, that I would like to try to get an image file of, so I can keep the data that is on it. Since the drive is very old, and ...
7 votes
0 answers
14k views

LVM and Superblock failure; how to recover?

How do you repair the superblock of an LVM volume? Alternatively, how do you recover the data on an unmountable lvm logical volume? I recently added a second hard disk, extended my volume group and ...
7 votes
0 answers
2k views

What causes this HDD sector damage pattern?

Out of curiosity, I ran GNU ddrescue on a Seagate ST1000LM024 HN-M101MBB hard drive with known bad sectors, and then I visualized the ddrescue mapfile with ddrescueview. When I zoomed in, this ...
7 votes
0 answers
3k views

Make Genymotion use a host VPN

I'm using Cisco's AnyConnect to connect to a VPN using my Windows 8.1 PC. When using the Genymotion emulator, I would like it to use the VPN too. However, although having Internet access from the ...
6 votes
0 answers
5k views

rcu_sched detected stalls on CPUs/tasks

I'm running many VMs using Virtualbox. These VMs use Debian 10.3 (the latest version). And I'm experiencing bugs / freezes as you can see below. It looks like this is happening on the VMs where I ...
6 votes
0 answers
827 views

VBoxManage setextradata command does not add avx2 to /proc/cpuinfo

Linux & VirtualBox noob here, so please go easy. I've been running into problems compiling code with scipy in a VirtualBox 5.2 VM running Fedora 26 on my host Windows 10. The cryptic error output ...
6 votes
0 answers
3k views

Virtualbox host io cache applying scenarios

Virtualbox docs says that using host io cache for sata controller may be a risk of system performance. At the same time, on my case I see advantage of using host io cache - DisckCrystalMark reports ...
5 votes
0 answers
527 views

Some USB devices not working properly on a new W10 x64 machine

Can you help me with a problem that I have with some USB devices not working properly on a new built machine. I hope you will be able to help me, being myself a power user, but here a little lost in ...
5 votes
0 answers
7k views

Drive missing from Optimize Drives since upgrade to Windows 10 1803

Since upgrading Windows 10 (Pro) to version 1803, one of my drives is missing from the Optimize Drives list. The drive in question is, my D:-drive, a software-defined RAID-0 (striped) over two disks. ...
5 votes
0 answers
1k views

Will the write pointers in drive-managed SMR drives ever be reset?

I own a Seagate Expansion Desktop 5TB external hard drive, containing a ST5000DM000 according to hdparm. While information found on the internet is inconclusive, I strongly suspect that this drive ...
5 votes
0 answers
440 views

KVM switch switches automatically on VirtualBox usage

I am using KVM switch Multico EW K1904U. The problem is that it confilcts with Oracle virtual box somehow. Particularly, if I am terminating virtual machine on computer 1, it switches to computer 2 (...
5 votes
0 answers
2k views

virtualbox windows 10 guest stuck at low resolution on ubuntu host

I am running Ubuntu 14.04 as a host and Windows 10 as a guest in Virtual Box. I used Windows 8.1 as the operating system type when I set up the box. Windows 10 runs fine. I was able to install Guest ...

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