[vbox-dev] Failed to load unit "hda" on OSE VirtualBox 5.1.24 (windows)

Thu Jul 27 10:51:40 GMT 2017

Mikhail,

could you provide the content of

  out/win.amd64/release/revision-generated.h

?

I've attached a patch which could fix your issue but I'm not 100% sure that
the wrong revision is really the problem.

Kind regards,

Frank

On Donnerstag, 27. Juli 2017 06:21:24 CEST Mikhail Kovalev wrote:
> Hi Andreas,
> 
> thnx a lot for a fast response! A patch or something like that would be
> great!
> 
> Kind regards,
> Mikhail
> 
> On Wed, Jul 26, 2017 at 9:47 AM Andreas Löffler <andreas.loeffler at oracle.com>
> wrote:
> 
> > Hi Mikhail,
> >
> > the error on the custom-built OSE version high likely comes from
> > two revision checks we have in our code, specifically in DevHDA.cpp /
> > hdaLoadExec():
> >
> > if (SSMR3HandleRevision(pSSM) >= 116273)
> >
> > As the OSE version has a different SVN revision than our official
> > versions, this code path won't be taken and therefore the loading fails.
> >
> > I'll see if I somehow can work around this.
> >
> > Andreas
> >
> >
> >
> > Kind regards / Mit freundlichen Grüßen
> >
> > ******************************************************************
> > Andreas Löffler             | VirtualBox Engineering
> > Principal Software Engineer | Oracle Virtualization
> >
> > ORACLE Deutschland B.V. & Co. KG
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> >
> > Green Oracle <http://www.oracle.com/commitment>
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> >
> >
> >
> >
> > On 26.07.2017 08:21, Mikhail Kovalev wrote:
> > > Hi all,
> > >
> > > we have a custom-built OSE version of VirtualBox 5.1.24 for windows.
> > > When "Intel HDA" is selected as an audio adapter and I create an online
> > > snapshot, power off the VM, revert the snapshot and then start the VM
> > > again I get an error message "Failed to load unit 'hda'
> > > (VERR_SMM_LOADED_TOO_LITTLE)" or "Failed to load unit 'hda'
> > > (VERR_SSM_STRUCTURE_MAGIC)".
> > >
> > > With AC97 all works fine. And I cannot reproduce the problem on the
> > > official 5.1.24 build. So there must be something in our build
> > > environment that makes it fail. However, our build environment didn't
> > > change from version VirtualBox 5.1.22 and with 5.1.22 we didn't have any
> > > problems.
> > >
> > > Does anyone have a hint where the problem could be? And whether there
> > > were changes in between 5.1.22 and 5.1.24 that could cause the problem?
> > >
> > > Here is the relevant part of the log with "VERR_SSM_STRUCTURE_MAGIC"
> > > failure and the content of the "hda" unit.
> > >
> > > 000004796 00:00:04.795395 EMT      VMSetError:
> > >
> > C:\jenkins\workspace\VirtualBox-x86-amd64\devel\5.1.24\src\VBox\VMM\VMMR3\SSM.cpp(8707)
> > > int __cdecl ssmR3LoadExecV2(struct VM *,struct SSMHANDLE *);
> > > rc=VERR_SSM_STRUCTURE_MAGIC
> > > 000004796 00:00:04.795418 EMT      VMSetError: Failed to load unit 'hda'
> > > 000004796 00:00:04.795450 main     GUI:
> > > UIMachineLogicNormal::sltCheckForRequestedVisualStateType:
> > > Requested-state=0, Machine-state=13
> > > 000004796 00:00:04.795460 main     GUI: UISession::sltAdditionsChange:
> > > GA state change event came, notifying listeners.
> > > 000004796 00:00:04.795461 main     GUI:
> > > UIMachineLogicNormal::sltCheckForRequestedVisualStateType:
> > > Requested-state=0, Machine-state=13
> > > 000004796 00:00:04.795478 EMT      SSM: Unit 'hda' contents:
> > > 000004796 00:00:04.795479 EMT      0x00000000: 1c 00 00 00 02 01 20
> > > 19-00 80 76 84 83 00 00 00  ...... ...v.....
> > > 000004796 00:00:04.795480 EMT      0x00000010: 00 01 34 10 00 00 00
> > > 00-00 01 00 01 00 00 00 00  ..4.............
> > > 000004796 00:00:04.795481 EMT      0x00000020: 00 00 00 00 00 00 00
> > > 00-00 00 00 00 00 00 00 00  ................
> > > .....
> > > 000004797 00:00:04.796248 EMT      0x00004090: 00 ba 00 be 00 be 00
> > > c0-00 c1 00 c0 00 c0 00 b8  ................
> > > 000004797 00:00:04.796248 EMT      0x000040a0: 00 b7 00 af 00 af 00
> > > ac-00 ac 00 a6 00 a6 00 97  ................
> > > 000004797 00:00:04.796249 EMT      0x000040b0: 00 96 00 86 00 85 00
> > > 75-00 76 00 66 00 66 00 57  .......u.v.f.f.W
> > > 000004797 00:00:04.796250 EMT      0x000040c0: 00 56 00 49 00 49 00
> > > 40-00 40 00 32 00 33 00 26  .V.I.I. at .@.2.3.&
> > > 000004797 00:00:04.796265 EMT      0x000040d0: 00 25 00               -
> > >                         .%.
> > > ....
> > >
> > > I would really appreciate any help you can provide.
> > >
> > > Best regards,
> > > Mikhail
> > >
> > >
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> 

-- 
Dr.-Ing. Frank Mehnert | Software Development Director, VirtualBox
ORACLE Deutschland B.V. & Co. KG | Werkstr. 24 | 71384 Weinstadt, Germany

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Komplementärin: ORACLE Deutschland Verwaltung B.V.
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Geschäftsführer: Alexander van der Ven, Jan Schultheiss, Val Maher
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