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Unanswered Questions

4,293 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
831 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
530 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 ...
5 votes
0 answers
2k views

Is it possible to run Corona SDK on ReactOS or Wine?

I dumped Windows, I'm now using Xubuntu. Is it possible to run Corona SDK on Wine? On Corona forums, they say no, but I wounder how this guy did it? Is ZeroBrane a solution? What about ReactOS (or ...
5 votes
0 answers
7k views

Why is virtualbox networking using virtio slow (bridged and host-only, Debian)

I'm currently installing a VirtualBox Server using Debian for Host and Client. I experience some trouble regarding network performance and CPU load especially using host-only networks and I've no idea ...
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5 votes
0 answers
2k views

Mac 10.8 Guest Multiple Monitors in Virtualbox

I've done a bit of searching and cannot seem to find an answer to my question. I have Mac OS X Mountain Lion guest installed on a virtual machine using Virtual Box with a Windows 7 host. I've found ...
5 votes
0 answers
2k views

mdadm RAID monitoring no DegradedArray email

So, I have a couple of MDADM RAID arrays and I want to set up monitoring with email notifications for drive failures through sSMTP but I can't seem to get it working. The system in question is a ...
5 votes
0 answers
228 views

Win7 VirtualBox Server with TeamCity keeps BSODing

I'm testing out TeamCity with a small project (one checkin per day or so, small code base) on a Windows 7 VM in VirtualBox. I've had many successful VMs on this host, some of which were also Windows ...
5 votes
0 answers
3k views

How do I make VirtualBox's vboxnet interface show up in the OS X network configuration GUI?

I'm willing to do any amount of frobbing of settings in .plist and .xml files to make this work. The scenario is this: I have a nice Android based phone. The phone can do USB tethering. OS X 10.6 ...
4 votes
0 answers
469 views

Average/General RAID 0 "Chunk Size"?

EDIT: this got closed as being "opinion based". i disagree! the facts are, i have to choose one of five Chunk Size options when creating a RAID on Mac. i don't know which size to choose for ...
4 votes
0 answers
912 views

Formatting a failing & write-locked SSD

I have a failing 4 TB 870 Evo SSD. It has lasted less than a year (thanks Samsung). I believe the SSD has entered a read-only mode because it is failing. Any disk enumeration tasks take 30 seconds ...
4 votes
0 answers
211 views

Any way to tweak Windows' kernels or drives to handle I/O and reduce or eliminate hangs with failing drives?

I frequently work with failing hard drives for data recovery and various tasks. These tasks are usually short lived in nature, but important. The way Windows seems to handle any failing drive that's ...
4 votes
0 answers
8k views

Chkdsk for a specific directory or File !?!? The Syntax

I need help to chkdsk a specific Directory : F:\GOG\*.* I am too stupid to understand the chkdsk sytax for file: CHKDSK [Volume[[Pfad]Dateiname]]] [/F] [/V] [/R] [/X] [/I] [/C] [/L[:Größe]][/B] [/scan]...
4 votes
0 answers
2k views

Unable to install WSL on windows 10 running inside virtual box

I have followed the exact steps of installing WSL on windows 10 guest OS running on virtual Box. I installed Ubuntu from Microsoft App store. But when I click on Launch I get the following error - ...
4 votes
0 answers
170 views

As of late 2020, is optane still worth considering?

If I want very fast NVMe storage for general usage, is Optane still a good option? In the past, I read that Optane/3D Xpoint was superior in situations that didn't just require raw throughput, mainly ...
4 votes
0 answers
19k views

How do I format disk from UEFI shell?

I need to format 2 disks from pre-built UEFI shell. So I have 2 questions. How do I format a disk from UEFI Shell? How do I know what is the disk name or label? By the way, in the first question I ...
4 votes
0 answers
1k views

What is practical size for bcache cache size with respect to hdd size?

There are plenty of manuals how to implement bcache, how to select correct bucket size, how to resize (grow) backing device and so on. This includes, but doesn't limits to in-kernel documentation, ...
4 votes
0 answers
2k views

How to unlock NVME disk locked with ATA security

I've locked my NVME drive in the BIOS with a USER and MASTER password. I'm looking to unlock this drive on another machine. How can I do this? I've tried working with nvme-cli. This should be able ...

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