VirtualBox

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Ticket Resolution Summary Owner Reporter
#4992 obsolete Attaching to host serial port on Windows 7: Permission problem Steve Weidman
Description

I am attempting to pass the RS-232 serial ports of the host operating through to the guest operating systems. I have fully functional COM1 and COM2 ports available and working in the host system. Serial Ports are set up in the guest operating system as Port 1, COM1, Host Device (COM1) and Port 2, COM2, Host Device (COM2) When I attempt to "map" these devices to the guest operating system, I receive the following error:

"Failed to start the virtual machine (Windows 7 RC, Windows 98SE and Windows 95C report the same error). Cannot open host device 'COM1'for read/write access. Check the permissions for the device. (VERR_ACCESS_DENIED). Unknown error creating VM(VERR_ACCESS_DENIED). Details: Result Code: E_FAIL (0x80004005) Component Console Interface: IConsole {0a51994b-cbc6-4686-94eb-d4e4023280e2}"

The only way for the guest systems to start is to "disconnect" the serial ports.

Host System Details: Windows XP Pro, Version 2002, Service Pack 3 Intel Pentium 4, 3.00GHz 3.00GHz, 3.5GB of RAM COM1 I/O 03F8-03FF, IRQ 04 COM2 I/O 02F8-02FF, IRQ 03

VirtualBox 3.0.6 r52128

#3007 obsolete Vista Host Network Driver Kills WakeOnLan for Network Adapter sweetpapa
Description

Enabling the Virtualbox Host Interface Networking Driver disrupts the WakeOnLan feature on my network adapter. i.e. workstation will not wake up from sleep through network activity if the networking driver is enabled. This occurs when VirtualBox is not running.

If I disable it or uninstall the networking driver, WakeOnLan works again.

Workstation details: VirtualBox version: AMD64 2.1.0-41146 Host: Vista 64 SP1

#8413 obsolete Guru Meditation -2701 (VERR_VMM_RING0_ASSERTION) Jesse Sweetland
Description

VirtualBox 4.0.4 Host: Linux 2.6.35-25-generic #44-Ubuntu SMP Fri Jan 21 17:40:44 UTC 2011 x86_64 GNU/Linux Guest: Windows 7 Enterprise (32-bit)

Guru Meditation -2701 (VERR_VMM_RING0_ASSERTION)

!!R0-Assertion Failed!! Expression: <NULL> Location : /home/vbox/vbox-4.0.4/src/VBox/VMM/VMMAll/PGMAllPool.cpp(4187) void pgmPoolTracDerefGCPhys(PGMPOOL*, PGMPOOLPAGE*, RTHCPHYS, RTGCPHYS, uint16_t) 46:01:01.179 HCPhys=00000003c1823000 GCPhys=0000000059069000; found page index 59069 HCPhys=00000003c0823000

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