[vbox-dev] Turning on Virtual Disk (VD group) debug logs on VBox

Quaizar Vohra quaizar.vohra at gmail.com
Thu Jul 11 03:39:59 GMT 2013


Haven't received any response. Would greatly appreciate any help or hints
on this.

Thanks,
Quaizar


On Sat, Jul 6, 2013 at 9:20 AM, Quaizar Vohra <quaizar.vohra at gmail.com>wrote:

> I am trying to turn on logging for operations in VD.cpp & VMDK.cpp. I have
> tried several options with no success.
>
> I am on OS X host running Mountain Lion.
>
> I have tried turning on the logs by setting the env variables and starting
> VirtualBox client manually from the same shell (which starts VBoxSvc as
> well) followed by VirtualBoxVM also from the same shell. Here is what I
> have tried.
>
> qvs-MacBook-Pro:Logs qv$ env | grep VB
> VBOX_LOG_FLAGS=time tid thread
> VBOX_LOG=+main.e.l.f+defualt.e.l.f+VD.e.l.f+VD_VMDK.e.l.f
> qvs-MacBook-Pro:Logs qv$ VirtualBox &
> [1] 3175
> qvs-MacBook-Pro:Logs qv$
> /Applications/VirtualBox.app/Contents/MacOS/../Resources/VirtualBoxVM.app/Contents/MacOS/VirtualBoxVM
> --comment ubuntu-gnome-13.04 --startvm 0daa22b1-4869-4173-bc36-64ee3a558841
> --no-startvm-errormsgbox &
> [2] 3180
>
>
> I have run gdb on VirtualBoxVM, attached to the running process and tried
> calling RTLogGroupSettings(0,
> "+main.e.l.f+defualt.e.l.f+VD.e.l.f+VD_VMDK.e.l.f");
>
> I have tried putting the env variables in my .bash_profile and then
> starting VirtualBox client from the Launchpad and the VM from VirtualBox
> still to no avail.
>
> Do I need a debug image to turn on this logging? Or is this is a OSX issue?
>
> I have also spent some time browsing thru the vbox-log.cpp & log.cpp but
> haven't got any clues.
>
> Would greatly appreciate any help with this.
>
> Thanks,
> Quaizar
>
>
>
>
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