Hi Mark, CC: Mathieu, maybe they have an insight for Cuirass.
On Fri, 26 Nov 2021 at 18:21, Mark H Weaver <m...@netris.org> wrote: >> On Mon, 12 Nov 2018 at 20:09, Mark H Weaver <m...@netris.org> wrote: >> >>> As I write this, there are two system test builds that have been stuck >>> for many hours, endlessly printing "shepherd[1]: waiting for udevd...": >>> >>> https://hydra.gnu.org/build/3153725 >>> https://hydra.gnu.org/build/3154365 >>> >>> They are both on i686-linux, and on the 'core-updates' branch, but with >>> two different build slaves (hydra.gnunet.org and guix.sjd.se). >>> >>> I will now abort these builds, to free up build slots for other jobs. >> >> I am doing bug triage and I hit this old one #33362 [1] from 2018. It >> is about hydra which is down now, IIRC. > > I doubt that this bug was about Hydra. It guess that the bug was in our > system test derivations. As far as I know, the only relevance of Hydra > to this bug is that Hydra was our CI system at that time, and therefore > it was Hydra that brought this bug to my attention. I agree, but I am not able to connect to the mentioned logs. Are the links still working? >> Does it still make sense to keep it open? Or can we close it? > > If the bug hasn't occurred recently, then I agree it's okay to close it. > > It would be good to check our modern Cuirass-based ci.guix.gnu.org to > find out whether this failure mode is still occurring in our system > tests. > > I see that Cuirass's web interface has improved quite significantly in > the last couple of years, and I'm very grateful to those who've worked > on it. However, Cuirass still seems to be missing some important > functionality that Hydra had. Most notably, unless I missed something, > it seems to lack the ability to compare the results of two evaluations > and show the *differences* between those results, i.e. to enumerate the > newly failing jobs, the newly succeeding jobs, and the newly aborted > jobs. > > Without that functionality, it's not easy for us to notice when a job > starts to fail, unless a user files a bug report. The total list of job > failures has always been too large to easily notice changes in that list > without assistance. I agree. Maybe Mathieu could comment more because this missing feature is floating around. :-) Cheers, simon