Re: [Qemu-devel] Failing qemu-iotest 233

["Daniel P. Berrangé" <berrange@redhat.com>]

On Tue, Feb 19, 2019 at 07:36:07AM +0100, Thomas Huth wrote:
> 
>  Hi Eric, hi Daniel,
> 
> QEMU iotest 233 is failing for me on RHEL7:
> 
> 233                [07:29:30] [07:29:30] [failed, exit status 1] - output mismatch (see 233.out.bad)
> --- /home/thuth/devel/qemu/tests/qemu-iotests/233.out	2019-02-19 07:14:45.000000000 +0100
> +++ /home/thuth/tmp/qemu-build/tests/qemu-iotests/233.out.bad	2019-02-19 07:29:30.000000000 +0100
> @@ -13,45 +13,7 @@
>  1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
>  
>  == check TLS client to plain server fails ==
> -qemu-img: Could not open 'driver=nbd,host=127.0.0.1,port=PORT,tls-creds=tls0': Denied by server for option 5 (starttls)
> -server reported: TLS not configured
> -qemu-nbd: Denied by server for option 5 (starttls)
> -server reported: TLS not configured
> +qemu-nbd: Unable to import client certificate /tmp/qemu-iotests-quick-28354/tls/client1/client-cert.pem: Base64 unexpected header error.

This is fun, because it is actually non-determinstic, failing in a different
place in the test everytime it is run !

Turns out that piping certtool to "head -1" is bad because it causes
certtool to get a broken pipe making it quit before it has written
the certificate to disk leaving a zero length file. This in turn
causes the base64 error above.

Regards,
Daniel
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