Re: [Audacity-devel] Data loss bug in Auto-recovery -- does it merit P1?

[Paul L. <pau...@gm...>]

Our messages crossed:  as I explained elsewhere, I feel confident now that
it is a result of the 32/64 bit change and so affects recent Mac versions
only.

PRL


On Sun, Apr 28, 2019 at 8:34 PM Cliff <fly...@gm...> wrote:

>
>
> On Apr 28, 2019, at 17:27, Paul Licameli <pau...@gm...> wrote:
>
> Lately I observe sometimes a failure to open the crash recovery project
> file, with a message box like "invalid token at line 9".  The crash
> recovery file appears to be permanently damaged after that!
>
> I suspect this is happening only when I am also switching between audacity
> versions, and trying to open a recovery file saved in a different version
> of Audacity.  I know that the damage happens when the following block of
> code in AudacityProject::OpenFile rewrites the recovery file.
>
>    {
>       AutoSaveFile asf;
>       if (!asf.Decode(fileName))
>       {
>          AudacityMessageBox(
>             wxString::Format( _("Could not decode file: %s"), fileName ),
>             _("Error decoding file"),
>             wxOK | wxCENTRE, this);
>          return;
>       }
>    }
>
> Has any one else observed this?
>
> I can tell you steps to reproduce:
>
>    - Start one version of Audacity.
>    - Generate tone.
>    - Force-quit Audacity from the outside (win Task Manager or mac
>    Activity Monitor)
>    - Start other version of Audacity
>    - Choose Recover files
>    - Error dialog
>    - Now the recovery is bad even if you start the old version of
>    audacity.
>
> I am not sure, but I think that when the "other" version is before 2.3.0,
> the problem does not happen.  When it is 2.3.0 or later, it may happen.
>
> PRL
>
>
> On MacOS 10.13.6:
>
> Working with Audacity 2.3.1 and 2.3.2 there is no problem in either
> direction.
>
> Working with Audacity 2.3.0 and 2.3.2 it is repeatable in both directions.
>
> Cliff
>
>
>
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