Your message dated Fri, 17 Jan 2025 13:34:04 +0000
with message-id <[email protected]>
and subject line Bug#1093153: fixed in faketime 0.9.10+2024-06-05+gba9ed5b2-0.1
has caused the Debian Bug report #1093153,
regarding xapian-omega autopkgtests and faketime on 32-bit
to be marked as done.
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If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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1093153: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1093153
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Source: xapian-omega
Version: 1.4.25-2
Severity: serious
Justification: preventing migration of fixed faketime on 32-bit arches
Hi.
xapian-omega uses faketime in its tests. (`omegatest.pl`, starting
nearl l.565.) The 32?64-bit time_t transition broke faketime
completely on 32-bit platforms for reasons relating to the libc's
kernel API usage (#1064555 #1032177 and duplicates.)
I recently NMU'd faketime to try to fix this. The NMU fixes the
principal calls (so, for example, `faketime date` now works on 32-bit)
but at least some APIs are not properly faked. statx(?) is one such,
#1063820, but there may be others.
It seems that current faketime in sid is capable of persuading
xapian-omega's upstream tests that faketime is working, but does not
actually manage to fake it well enough:
40s expected: «Query((Y2000 ... Y2014 OR M201501 ...
40s received: «Query((Y2000 ... Y2024 OR D20250101 ...
Here's a full log of a failure:
https://ci.debian.net/packages/x/xapian-omega/testing/armel/56459429/
The test script has code in it to try to detected a busted faketime,
but it evidently doesn't faithfully test the calls actually used by
the software under test.
As a result, the tests now fail. Previously, I presume, they
currently detected that faketime was completely broken, and skipped
those tests.
Would it be possible to gate these tests on a more faithful test?
I'm not sure what that would look like because I don't know
xapian-omega at all.
One stopgap might be to gate the tests with stat(1) as well as
date(1). faketime is supposed to clamp file timestamps so they don't
look like they're from the future. So statting any file created
during the build or the tests, with a very old faked time, would
suffice. If xapian-omega is using file timestamps, this would
possibly even be arguably correct.
Failing that, we could perhaps ask the release time to allow the new
faketime to migrate anyway. But that would mean that *other*
regressions of xapian-omega on 32-bit platforms wouldn't count as a
regression. So it would be best to skip this.
AFAICT from tracker.d.o xapian-omega is the only package which is
troubled in this way.
I regret the need to file this bug at such a high severity. I do this
because quite a few other packages use faketime in their tests, and
currently those tests are all broken. Allowing the new faketime to
migrate, despite the missing interposition for stat, would be a
significant improvement. I'm hoping you'll agree.
FTR, IMO if this bug gets anywhere near triggering autoremoval of
xapian-omega, we should do something less drastic instead.
Thanks,
Ian.
--
Ian Jackson <[email protected]> These opinions are my own.
Pronouns: they/he. If I emailed you from @fyvzl.net or @evade.org.uk,
that is a private address which bypasses my fierce spamfilter.
--- End Message ---
--- Begin Message ---
Source: faketime
Source-Version: 0.9.10+2024-06-05+gba9ed5b2-0.1
Done: Ian Jackson <[email protected]>
We believe that the bug you reported is fixed in the latest version of
faketime, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Ian Jackson <[email protected]> (supplier of updated faketime
package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Format: 1.8
Date: Fri, 17 Jan 2025 13:17:41 +0000
Source: faketime
Architecture: source
Version: 0.9.10+2024-06-05+gba9ed5b2-0.1
Distribution: unstable
Urgency: medium
Maintainer: Daniel Kahn Gillmor <[email protected]>
Changed-By: Ian Jackson <[email protected]>
Closes: 1063820 1093153
Changes:
faketime (0.9.10+2024-06-05+gba9ed5b2-0.1) unstable; urgency=medium
.
* Non-maintainer upload.
* Update to new upstream version from unreleased git, ba9ed5b2898f234c.
Fixes stat(1) and ls(1). Closes: #1063820. [Report from Dalton Durst]
* Interpose __time64 too, to fix 32-bit platforms.
Closes: #1093153. [Assistance from Olly Betts]
* Interpose gettimeofday64 too.
* Add an autopkgtest for a normally-built C program.
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