[Borgbackup] Repo init failure on a NFS directory with a raspberry pi 4 [CLOSED]

[Bzzzz]

On Tue, 30 Jun 2020 15:54:51 +0200
Bzzzz <lazyvirus at gmx.com> wrote:

As a matter of fact, I had several problems w/ Raspberry OS using a 64
bit kernel and made a reinstall in pure 32 bit - I also installed the
borgbackup Debian R.OS package (1.1.9-2) instead of trying to install
1.1.13 from pip3 and now, it works - I can now backup my Pi4 :)

Jean-Yves

> On Tue, 30 Jun 2020 15:40:53 +0200
> Thomas Waldmann <tw at waldmann-edv.de> wrote:
>
> > > "/usr/local/lib/python3.7/dist-packages/borg/crypto/file_integrity.py",
> > > line 75 in write
> > > Bus Error
> >
> > That is likely an unaligned access.
> >
> > This occurs when not running ARM in "fixup" mode, then it just blows
> > up when doing an unaligned access.
>
> What do you call an unaligned access? Do you speak about memory
> alignment on CPU word width?
>
> > In "fixup" mode, a software exception handler would just make the
> > access work as expected.
> >
> > I heard that on raspi, the 32bit kernel usually runs in fixup mode,
> > but the 64bit kernel does not (which i would say is an obviously bad
> > idea).
> >
> > IIRC:
> >
> > - there is an issue about that in our github issue tracker
>
> Ok, I wasn't sure it was exactly the same issue.
>
> > - the unaligned access is not in borg code, but in a library / 3rd
> > party code borg uses
>
> I go back to read the whole ticket.
>
> JY
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