#1150569 prometheus: FAIL: TestConvertClassicHistogramsToNHCB

Package:
prometheus
Source:
prometheus
Description:
monitoring system and time series database
Submitter:
Simon Josefsson
Date:
2026-10-10 20:39:02 UTC
Severity:
normal
#1150569#5
Date:
2026-10-10 20:37:30 UTC
From:
To:
Hi!  This package has what appears to be a flaky FTBFS in self-tests:

https://ci.debian.net/packages/p/prometheus/testing/ppc64el/76534847/#L27630

This blocks testing migration of golang-golang-x-oauth2 now.  Builds for
non-ppc64el archs are fine.

1059s === NAME  TestConvertClassicHistogramsToNHCB
1059s     scrape_test.go:4592:
1059s         	Error Trace:	/tmp/autopkgtest.hkrZU3/autopkgtest_tmp/.build/src/github.com/prometheus/prometheus/scrape/scrape_test.go:4592
1059s         	            				/tmp/autopkgtest.hkrZU3/autopkgtest_tmp/.build/src/github.com/prometheus/prometheus/scrape/scrape_test.go:4768
1059s         	Error:      	Not equal:
1059s         	            	expected: 1
1059s         	            	actual  : NaN
1059s         	Test:       	TestConvertClassicHistogramsToNHCB
1059s === NAME  TestConvertClassicHistogramsToNHCB/scrape_with_nil_convert_with_text
1059s     testing.go:2062: test executed panic(nil) or runtime.Goexit: subtest may have called FailNow on a parent test
1059s --- FAIL: TestConvertClassicHistogramsToNHCB (4.29s)

/Simon