El 18/8/23 a las 11:33, Simon McVittie escribió:
Does your archive rebuild infrastructure build other things in parallel on
the same machine,

Usually yes, however...

or any other factor like that which could make it more
likely to get stuck / take a long time than a production buildd?

it also happens for me on Hetzner instances when they have only one CPU.

In fact, the failure rate there is around 50%, see my build history:

Status: successful  mutter_42.2-1_amd64-20220602T145801.175Z
Status: successful  mutter_42.2-1_amd64-20220602T145853.866Z
Status: successful  mutter_42.3-2_amd64-20220722T000038.817Z
Status: failed      mutter_42.4-2_amd64-20220822T140107.057Z
Status: failed      mutter_43.0-2_amd64-20221001T033721.484Z
Status: successful  mutter_43.0-2_amd64-20221026T224643.425Z
Status: failed      mutter_43.0-2_amd64-20221026T225023.605Z
Status: successful  mutter_43.0-2_amd64-20221026T225735.334Z
Status: failed      mutter_43.0-2_amd64-20221026T230205.166Z
Status: failed      mutter_43.0-2_amd64-20221026T230429.710Z
Status: successful  mutter_43.0-2_amd64-20221026T230445.865Z
Status: successful  mutter_43.0-2_amd64-20221026T230950.351Z
Status: failed      mutter_43.0-2_amd64-20221026T231613.500Z
Status: successful  mutter_43.0-2_amd64-20221026T231928.067Z
Status: failed      mutter_43.0-2_amd64-20221026T232232.536Z
Status: successful  mutter_43.0-3_amd64-20221027T030436.778Z
Status: failed      mutter_43.1-1_amd64-20221110T204455.431Z
Status: failed      mutter_43.1-2_amd64-20221118T165401.759Z
Status: failed      mutter_43.2-4_amd64-20221228T163225.025Z
Status: successful  mutter_43.2-5_amd64-20230126T051730.091Z
Status: successful  mutter_43.2-5_amd64-20230126T123916.064Z
Status: successful  mutter_43.2-5_amd64-20230126T124415.417Z
Status: failed      mutter_43.2-5_amd64-20230126T124912.497Z
Status: successful  mutter_43.2-5_amd64-20230126T125745.097Z
Status: failed      mutter_43.2-5_amd64-20230126T130505.181Z
Status: successful  mutter_43.2-5_amd64-20230126T130313.890Z
Status: failed      mutter_43.2-5_amd64-20230126T131615.214Z
Status: successful  mutter_43.2-5_amd64-20230126T132338.826Z
Status: successful  mutter_43.2-5_amd64-20230126T132314.189Z
Status: successful  mutter_43.2-5_amd64-20230126T133201.921Z
Status: failed      mutter_43.2-5_amd64-20230126T155759.258Z
Status: failed      mutter_43.2-5_amd64-20230126T155924.752Z
Status: failed      mutter_43.2-6_amd64-20230201T052934.943Z
Status: failed      mutter_43.3-3_amd64-20230301T063919.406Z
Status: failed      mutter_43.3-4_amd64-20230305T060548.547Z
Status: failed      mutter_43.3-5_amd64-20230317T110143.226Z
Status: successful  mutter_43.4-1_amd64-20230418T054643.208Z
Status: failed      mutter_43.4-2_amd64-20230429T050402.816Z
Status: failed      mutter_43.6-1~deb12u1_amd64-20230722T122053.236Z
Status: failed      mutter_43.6-1~deb12u1_amd64-20230722T123559.302Z
Status: failed      mutter_43.6-1~deb12u1_amd64-20230722T123656.554Z
Status: failed      mutter_43.6-1~deb12u1_amd64-20230722T123717.438Z
Status: failed      mutter_43.6-1~deb12u1_amd64-20230722T124448.583Z

(Note: That was for bookworm, but it has not improved at all in trixie)

So, I suggest that you first try GRUB_CMDLINE_LINUX="nr_cpus=1"
in /etc/default/grub, just as a way to increase the likelihood
of failure.

Then, if that's not enough to get at least random failures,
please contact me privately, as I will gladly provide ssh
access for you to a machine where this happens.

Thanks.

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