[Libguestfs] Figuring out some failing tests for libnbd

[Martin Kletzander]

On Wed, Jul 07, 2021 at 12:01:51PM +0100, Richard W.M. Jones wrote:
>On Wed, Jul 07, 2021 at 12:23:28PM +0200, Martin Kletzander wrote:
>> On Tue, Jul 06, 2021 at 09:06:13AM +0100, Richard W.M. Jones wrote:
>> >On Wed, Jun 30, 2021 at 05:07:31PM +0100, Richard W.M. Jones wrote:
>> >>https://gitlab.com/nertpinx/libnbd/-/jobs/1389193577
>> >>
>> >>This has dozens of failures in the OCaml tests.  Most but not
>> >>all of them are like this:
>> >>
>> >>==20650== 16 bytes in 1 blocks are still reachable in loss record 1 of 38
>> >>==20650==    at 0x483E7B5: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
>> >>==20650==    by 0x47239C: caml_stat_alloc_noexc (memory.c:818)
>> >>==20650==    by 0x47239C: caml_stat_alloc (memory.c:840)
>> >>==20650==    by 0x485BCD: caml_register_custom_operations (custom.c:121)
>> >>==20650==    by 0x485BCD: caml_init_custom_operations (custom.c:163)
>> >>==20650==    by 0x48BE46: caml_startup_common (startup_nat.c:132)
>> >>==20650==    by 0x48C05A: caml_startup_exn (startup_nat.c:163)
>> >>==20650==    by 0x48C05A: caml_startup (startup_nat.c:168)
>> >>==20650==    by 0x48C05A: caml_main (startup_nat.c:175)
>> >>==20650==    by 0x430CEB: main (main.c:41)
>> >
>> >I took a proper look at this issue last night and it should be fixed
>> >in these two commits:
>> >
>> >https://gitlab.com/nbdkit/nbdkit/-/commit/99140272a0675b3d123d2c42cb0a5ab73b09fba2
>> >https://gitlab.com/nbdkit/nbdkit/-/commit/875a5056758dca754225f49516a0f4c8e788ac94
>> >
>>
>> Yes, looks like it is, thanks.  I also figured out the last failing test
>> and if it goes well I will push those ACKed from the last week and send
>> the last one to finally get the pipeline all green.
>
>I realised now this is libnbd - my fixes went into nbdkit.
>However the equivalent fix for libnbd should work too.
>

Oh, so they did not fail because I skip them in the CI for now, I guess.
I'll first clear what I have and we can enable some more tests back
later.

>Rich.
>
>> >Rich.
>> >
>> >--
>> >Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
>> >Read my programming and virtualization blog: http://rwmj.wordpress.com
>> >virt-top is 'top' for virtual machines.  Tiny program with many
>> >powerful monitoring features, net stats, disk stats, logging, etc.
>> >http://people.redhat.com/~rjones/virt-top
>> >
>
>
>
>-- 
>Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
>Read my programming and virtualization blog: http://rwmj.wordpress.com
>virt-p2v converts physical machines to virtual machines.  Boot with a
>live CD or over the network (PXE) and turn machines into KVM guests.
>http://libguestfs.org/virt-v2v
>
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