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Ticket Resolution Summary Owner Reporter
#12994 fixed VBoxService segfault on guest control -- strcmp() vekt
Description

VBoxService segfaults when the host attempts any form of guest control (execute, copyto, etc).

On the host

  $ vboxmanage guestcontrol kvm32 exec "/bin/echo" --username "tc" --password "" --verbose --args "srp"
  Opening guest session as user 'tc' ...
  Waiting for guest session to start ...
  VBoxManage: error: Error starting guest session (current status is: starting)
  Closing guest session ...

See attached vboxservice.log for the guest's VBoxService's pre-segfault log.

VBoxService gdb backtrace

...
00:00:00.006717 control  Waiting for host msg ...
00:00:13.396728 control  Msg=20 (6 parms) retrieved
00:00:13.396969 control  Client ID=101 now is using protocol 2
00:00:13.397102 control  Forking new guest session ID=10, szUser=tc, szPassword=XXX, szDomain=, uFlags=0, using protocol 2
00:00:13.397183 control  Forking parameters:
00:00:13.397247 control         /opt/VBoxGuestAdditions-4.3.10/sbin/VBoxService
00:00:13.397357 control         guestsession
00:00:13.397461 control         --session-id=10
00:00:13.397668 control         --session-proto=2
00:00:13.397713 control         --user=tc
00:00:13.397772 control         -vvvv
[New LWP 21396]

Program received signal SIGSEGV, Segmentation fault.
[Switching to LWP 21396]
0xb7e9eb84 in strcmp () from /lib/libc.so.6
(gdb) bt
#0  0xb7e9eb84 in strcmp () from /lib/libc.so.6
#1  0x0805b41a in ?? ()
#2  0x0805b6b5 in ?? ()
#3  0x0805581c in ?? ()
#4  0x08050995 in ?? ()
#5  0x0805088c in ?? ()
#6  0x0804be8c in ?? ()
#7  0x08071a42 in ?? ()
#8  0x0805ae40 in ?? ()
#9  0xb7f9a6a4 in ?? () from /lib/libpthread.so.0
#10 0xb7ee649e in clone () from /lib/libc.so.6
(gdb) 

Ubuntu x64 host, TinyCore x86 guest, VirtualBox v4.3.10. Guest additions were installed via the iso's VBoxLinuxAdditions.run.

How can I be of further help?

#13131 fixed Python SDK not installed on Windows -- vboxapisetup.py expects VBOX_INSTALL_PATH, not VBOX_MSI_INSTALL_PATH vekt
Description

vboxapisetup.py expects the VBOX_INSTALL_PATH environment variable but the Windows installer creates VBOX_MSI_INSTALL_PATH.

vboxsetup.py could be updated to check both environment variables

vboxDest = os.environ.get('VBOX_INSTALL_PATH', None) # Non-Windows.
if vboxDest is None:
  vboxDest = os.environ.get('VBOX_MSI_INSTALL_PATH', None) # Windows.

or the Windows installer could create the VBOX_INSTALL_PATH environment variable.

#13134 obsolete Support OpenGL Display Lists vekt
Description

Many OpenGL applications use display lists, which can't be snapshotted.

00:00:38.930661 OpenGL Warning: Saving state with 2816 display lists, unsupported

https://www.virtualbox.org/browser/vbox/trunk/src/VBox/GuestHost/OpenGL/state_tracker/state_snapshot.c#L1484

To reproduce, start an OpenGL application that uses display lists -- like Faster Than Light, http://www.ftlgame.com/ -- and attempt a snapshot. Both paused and live snapshots fail.

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