VirtualBox

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Ticket Resolution Summary Owner Reporter
#8444 fixed "PATM: Failed to refresh dirty patch"... VB 4.0.4 on W7Ultimate with Ubuntu 11.04 Guest acq
Description

slow performance and tons of messages like 00:43:44.065 PATM: Failed to refresh dirty patch at c104a4d8. Disabling it. in Log.

#8368 fixed "Pause" doesn't fully stop VirtualBox => Fixed in SVN Artem S. Tashkinov
Description

"Pause" functionality in VirtualBox was intended to temporarily stop VM execution so that VirtualBox process consumed zero host CPU cycles.

Unfortunately it's not the case:

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  P COMMAND
12482 birdie    20   0  688m 619m 586m S  2.0 15.4   0:20.84 2 VirtualBox

I see consistent 2% CPU usage even though supposedly VirtualBox must be 100% idle.

Host OS: Fedora 14 i686, kernel 2.6.38-rc5 PAE, Intel Core i5 CPU, 4GB RAM
Guest OS: Windows XP SP3 32bit

VT-X:         enabled
Nested pages: enabled
#3441 worksforme "Permission denied" when attaching more than one VM to a network interface ugemkow
Description

When attaching more than one VM (processes for different users) to the same network interface, an "permission denied" error happens. The workaround is to use TAP interfaces as before. I am not sure whether this is expected behaviour.

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