[vbox-dev] attach CD/DVD aborts the guest

Thu Jun 6 15:10:37 GMT 2013

I am still seeing this issue ( version r46388 )

It is tied to 3D somehow.  Disabling it the issue goes away.
Host = Ubuntu 12.04LT guest = any with 3D but I normally use Debian 
based or OEL guests
Host graphics = nVidia

How to produce:
start the guest (3D enabled) click on the device tab and then click the 
CD/DVD and the guest aborts immediately.
It does not even write back to the guest .vbox.

On 03/15/2013 12:52 PM, Perry Halbert wrote:
> Tracked it down to 3D acceleration.  Disable that and you can attach a 
> CD from within the guest.  You can also leave 3D enabled and simply 
> log out and attach the CD from the login screen.
>
> VBox lightdm-greeter?
>
>
>
> On 03/12/2013 12:20 PM, Perry Halbert wrote:
>> More interesting is I can add the CD/DVD from the main manager 
>> storage section (while guest is running) and it works as it should, 
>> just not from the guest. It also make no difference if the GAs are 
>> installed or not.
>>
>>
>> On 03/09/2013 08:34 AM, Perry Halbert wrote:
>>> I still can't find the exact cause even with the debug build.  But I 
>>> see this in the hosts syslog
>>>
>>> kernel: [  864.637068] EXT4-fs (sdb1): Unaligned AIO/DIO on inode 
>>> 23068695 by AioMgr0-N; performance will be poor.
>>> kernel: [  907.647546] VirtualBox[3025]: segfault at 10 ip 
>>> 00007ffe574ede84 sp 00007fff617f1610 error 4 in 
>>> libpthread-2.15.so[7ffe574e4000+18000]
>>>
>>> All that is needed to trigger this segfault is to select choose a 
>>> virtual cd in the devices menu.
>>>
>>> This happens on two separate (Debian based) systems the laptop was 
>>> built using deb build and the main PC as a run file install.
>>>
>>>
>>>
>>> On 03/07/2013 01:18 PM, Perry Halbert wrote:
>>>
>>>> One more thing.  I can revert back to r44844 and the problem 
>>>> disappears.  But wait it gets better.
>>>> After the latest today r44929 saved state even causes an abort.
>>>>
>>>>
>>>> On 03/07/2013 08:22 AM, Perry Halbert wrote:
>>>>> OK.  It's more of a heads up any way because usually when I see 
>>>>> these issues there is a gremlin lurking somewhere.
>>>>>
>>>>> If I locate it I will send along the cause.
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On 03/07/2013 07:52 AM, Klaus Espenlaub wrote:
>>>>>> On 07.03.2013 00:38, Perry Halbert wrote:
>>>>>>> Still can't locate it. All I know for sure is that it is a segfault.
>>>>>>>
>>>>>>> Core was generated by `/opt/VirtualBox/VirtualBox -startvm Debian-SID'.
>>>>>>> Program terminated with signal 11, Segmentation fault.
>>>>>>> #0 0x00007fb07dbf3e84 in ?? ()
>>>>>>>
>>>>>>> Core was generated by `/opt/VirtualBox/VirtualBox -startvm Mint-14'.
>>>>>>> Program terminated with signal 11, Segmentation fault.
>>>>>>> #0 0x00007f3ba1546e84 in ?? ()
>>>>>>>
>>>>>>> It happens the second I click on select CD in the device menu.
>>>>>>>
>>>>>>> I must admit that I am not the sharpest knife in the drawer with core
>>>>>>> dumps. The dump is 7MB tar'ed (217.5MB) each.
>>>>>>>
>>>>>>> I can send it to you if you like.
>>>>>> The core won't help me much since you're running your own builds, and I
>>>>>> wouldn't have the matching debug info.
>>>>>>
>>>>>> Did you install the ...-dbg package? Then you should get much more out
>>>>>> of gdb than just some hex values.
>>>>>>
>>>>>> Klaus
>>>>>>> On 03/04/2013 09:02 AM, Klaus Espenlaub wrote:
>>>>>>>> On 03.03.2013 19:01, Perry Halbert wrote:
>>>>>>>>> I seem to have an issue that I can't put my finger on. With the latest
>>>>>>>>> builds from SVN r44872&  r44885 if I try to select a CD/DVD image to the
>>>>>>>>> "running" guest the guest immediately aborts. I can remove an already
>>>>>>>>> attached CD/DVD image with no issues. I can't seem to find the trigger
>>>>>>>>> that is causing this issue. Anyway I thought you should know.
>>>>>>>> How about enabling core dumps and looking where it crashes? I tried a
>>>>>>>> few CD unmount/mount combinations, and couldn't trigger any problems,
>>>>>>>> neither in VBoxSVC nor in the GUI.
>>>>>>>>
>>>>>>>> Klaus
>>>>>>>>
>>>>>>>>> Linux host guest does not matter.
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>>>>>
>>>>>
>>>>>
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>>>>
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