VirtualBox

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Ticket Resolution Summary Owner Reporter
#216 obsolete Crash when accessing USB Hard drive from FreeDOS through the USB Proxy John Meuser
Description

I'm trying to do something a bit atypical with VirtualBox, and I think I've exposed a bug in the USB system:

I'm trying to use VBox to boot freedos with USB drivers and run spinrite to scan a USB drive (in this situation my iPod) that is USB Proxied to the virtual machine. As soon as the usb drivers scan for usb devices, virtualbox crashes. I'm running VirtualBox 1.3.8 on Linux (Ubuntu 6.10 Edgy) through sudo to get write access to usbfs.

The error I get in the console is: VirtualBox SDL GUI 1.3.8 built Mar 13 2007 19:25:21

!!Assertion Failed!! Expression: (null) Location : /home/vbox/vbox-1.3/src/VBox/VMM/VMMAll/PGMAllPhys.cpp(886) void PGMPhysRead(VM*, RTGCPHYS, void*, size_t) Unknown read at 000d2799 size 8 implement the complex physical reading case 201 Trace/breakpoint trap (core dumped)

I'm attaching the floppy image that I'm using (sans SpinRite) and my error log.

#6390 duplicate Crash when allocating more than 1500MB of memory for guest Szabolcs Illes
Description

Hi,

I'm using Windows XP 32 bit host, I;ve added /3GB parameter to boot.ini. Virtual box can see 3567MB RAM of ram, but when I allocated 2000MB of memory with VBoxManage to my Ubuntu 32bit host than vbox keeps crashing frequently. I think it happens after the guest reached 1500MB of memory usage.

Steps to reproduces:

  1. added /3GB to boot.ini, reboot windows
  2. change memory for guest to 2000MB ( also tried 2500, 1950 )
  3. use a memtester in the guest to stress memory usage.

VBox works fine with 1500MB - which is the maximum can be set with the UI.

Thanks, Szabolcs

#6391 duplicate Crash when allocating more than 1500MB of memory for guest Szabolcs Illes
Description

Hi,

I'm using Windows XP 32 bit host, I;ve added /3GB parameter to boot.ini. Virtual box can see 3567MB RAM of ram, but when I allocated 2000MB of memory with VBoxManage to my Ubuntu 32bit host than vbox keeps crashing frequently. I think it happens after the guest reached 1500MB of memory usage.

Steps to reproduces:

  1. added /3GB to boot.ini, reboot windows
  2. change memory for guest to 2000MB ( also tried 2500, 1950 )
  3. use a memtester in the guest to stress memory usage.

VBox works fine with 1500MB - which is the maximum can be set with the UI.

Thanks, Szabolcs

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