Backup: "ERROR: Failed to perform backup: error in addproc" (R3.2)

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qubes...@riseup.net

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Jun 12, 2018, 4:12:34 AM6/12/18
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Hi,

when trying to perform a backup of my VMs I get this error after about 75%

"ERROR: Failed to perform backup: error in addproc"

This is reproducible everytime. Which means I can no longer backup my VMs.

I'm using R3.2.

I found this error on the bugtracker but it was on R3.1 and is marked as closed:

https://github.com/QubesOS/qubes-issues/issues/1588


Anyone else observing this and know of a workaround?

thanks!

Andrew David Wong

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Jun 12, 2018, 10:34:26 PM6/12/18
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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Reopened.

- --
Andrew David Wong (Axon)
Community Manager, Qubes OS
https://www.qubes-os.org

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qubes...@riseup.net

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Jun 13, 2018, 3:45:56 AM6/13/18
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Andrew David Wong:
> On 2018-06-12 03:12, qubes...@riseup.net wrote:
>> Hi,
>
>> when trying to perform a backup of my VMs I get this error after
>> about 75%
>
>> "ERROR: Failed to perform backup: error in addproc"
>
>> This is reproducible everytime. Which means I can no longer backup
>> my VMs.
>
>> I'm using R3.2.
>
>> I found this error on the bugtracker but it was on R3.1 and is
>> marked as closed:
>
>> https://github.com/QubesOS/qubes-issues/issues/1588
>
>
>> Anyone else observing this and know of a workaround?
>
>> thanks!
>
>
> Reopened.

thanks!

I got it to work - backup done without failure.

Here is what I did:

'qvm-ls' was showing warnings about corrupt files for specific VMs.

Since these where old VMs that I deleted already in qubes manager I deleted them again with

qvm-remove --just-db <name>

Then I performed a backup. I'm not entirely sure if that was the problem since I deleted some more
VMs but it sound reasonable.

If this was indeed the root-cause:
Maybe qvm-backup could check if there are any warnings in qvm-ls output before proceeding?
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