Re: sbuild race with sporadic build breakages

["'Jan Kiszka' via isar-users" <isar-users@googlegroups.com>]

On 11.11.24 18:58, Moessbauer, Felix (FT RPD CED OES-DE) wrote:
> On Mon, 2024-11-11 at 16:56 +0100, Jan Kiszka wrote:
>> On 11.11.24 16:17, Anton Mikanovich wrote:
>>> 11/11/2024 16:52, Jan Kiszka wrote:
>>>> We could only lock known sessions against each other. But that
>>>> would
>>>> already help everything that runs in a CI runner, maybe in a kas-
>>>> isar
>>>> container. Not perfect but would probably address 99% of cases
>>>> today.
>>>>
>>>> Jan
>>>>
>>> This will result in serialization of do_dpkg_build tasks and will
>>> cause
>>> Isar
>>> slowdown.
>>>
>>
>> OK, that was the information I was looking for - and was afraid of.
>>
>> But even if your PR would be merged tomorrow (which is completely
>> unpredictable right now), it would still require backports to
>> bookworm
>> at least, and those would need to be deployed locally or integrated
>> into
>> future versions of kas. All that is not going to happen soon - if at
>> all. It may even be that only trixes schroot will have all what we
>> need.
> 
> We have similar problems with apt and proper rate-limit handling. But
> that's OT.
> 
> At a second thought I'm wondering if we should drop schroot at all and
> use mmdebstrap + unshare. By that, the sbuild also does no longer
> require root access. I'm running sbuild with unshare backend for some
> time locally now (not with ISAR, though).
> 

https://lists.debian.org/debian-devel/2024/06/msg00257.html - there is
likely no simple answer for the backend yet.

BTW, would unshare work at all inside our build containers?

Jan

-- 
Siemens AG, Technology
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