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

[Quaizar Vohra]

Hi Alexander,

The debug build instructions suggest that there is no support for OSX
mountain lion (with Xcode version 4.2 or higher not supported).
Unfortunately my MAC is running OSX mountain lion and Xcode version 4.6.3).

Any suggestions how to build for mountain-lion or procure a copy of OSX
lion?

Thanks,
Quaizar


On Thu, Jul 11, 2013 at 3:11 AM, Alexander Eichner <
alexander.eichner at oracle.com> wrote:

> Hi Quaizar,
>
> you need a special debug build to be able to enable logging.
> There are build instructions for OS X on our website:
> https://www.virtualbox.org/wiki/Mac%20OS%20X%20build%20instructions
>
> Regards,
> Alexander Eichner
>
> Am 11.07.2013 um 05:39 schrieb Quaizar Vohra <quaizar.vohra at gmail.com>:
>
> 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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