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Ticket Resolution Summary Owner Reporter
#15892 invalid Virtualbox casuses Xorg to leak memory on host -> X.Org issue Nick B.
Description

I've noticed that after running a VM in full screen for an hour or so and switching back and forth from the VM to the host (possible cause?) many times, Xorg on the host is using over 1GB of memory. Guest OS does not seem to matter. Host is Kubuntu 16.04 using the Nvidia graphics driver.

Steps to reproduce

  1. Start up a VM in full screen mode (guest addons were installed in my tests)
  2. Minimize the VM several times (~25-50 times?)
  3. After a while Xorg on the host will be using a lot of memory (>1GB on my system which has 8 GB of RAM)

Update: since the leaks do not go away when VirtualBox is terminated we will treat this as an issue in X.Org (or drivers) and not investigate it ourselves. We might take this up with someone familiar with the relevant parts of the X.Org source code though.

#15891 obsolete 100% CPU usage with VBoxGuestAdditions_5.1.5-110520 -> see #16075 nopaste
Description

I installed VBoxGuestAdditions_5.1.5-110520.

Immediately after startup I hear the fan of my laptop running unusually so I check CPU usage.

top gives me 97% usage for VBoxClient and the process points to

/usr/bin/VBoxClient --draganddrop
#15890 fixed vboxvideo/vbox_drv.c:270:20: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types] -> should be fixed in releases higher than 5.1.4 sergiomb
Description

with Linux 4.8.0-0.rc4.git0.1.fc26.x86_64

2016/09/06 07:22:58 akmodsbuild: CC [M]  /tmp/akmodsbuild.ZW8tnZuj/BUILD/VirtualBox-kmod-5.1.4/_kmod_build_4.8.0-0.rc4.git0.1.fc26.x86_64/vboxvideo/vbox_main.o
2016/09/06 07:22:58 akmodsbuild: /tmp/akmodsbuild.ZW8tnZuj/BUILD/VirtualBox-kmod-5.1.4/_kmod_build_4.8.0-0.rc4.git0.1.fc26.x86_64/vboxvideo/vbox_drv.c:270:20: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types]
2016/09/06 07:22:58 akmodsbuild: .master_drop = vbox_master_drop,
2016/09/06 07:22:58 akmodsbuild: ^
2016/09/06 07:22:58 akmodsbuild: /tmp/akmodsbuild.ZW8tnZuj/BUILD/VirtualBox-kmod-5.1.4/_kmod_build_4.8.0-0.rc4.git0.1.fc26.x86_64/vboxvideo/vbox_drv.c:270:20: note: (near initialization for 'driver.master_drop')
2016/09/06 07:22:58 akmodsbuild: cc1: some warnings being treated as errors
2016/09/06 07:22:58 akmodsbuild: scripts/Makefile.build:289: recipe for target '/tmp/akmodsbuild.ZW8tnZuj/BUILD/VirtualBox-kmod-5.1.4/_kmod_build_4.8.0-0.rc4.git0.1.fc26.x86_64/vboxvideo/vbox_drv.o' failed
2016/09/06 07:22:58 akmodsbuild: make[1]: *** [/tmp/akmodsbuild.ZW8tnZuj/BUILD/VirtualBox-kmod-5.1.4/_kmod_build_4.8.0-0.rc4.git0.1.fc26.x86_64/vboxvideo/vbox_drv.o] Error 1
2016/09/06 07:22:58 akmodsbuild: make[1]: *** Waiting for unfinished jobs....

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