[Pkg-utopia-maintainers] Bug#1050436: upower: autopkgtest regression on i386: excessive precision?

[Michael Biebl]

Control: severity -1 important

Am 01.09.23 um 00:37 schrieb Michael Biebl:
> On Thu, 24 Aug 2023 17:18:35 +0200 Paul Gevers <elbrus at debian.org> wrote:
>> Source: upower 1.90.2-4
>> Severity: serious
>> Tags: sid trixie
>> X-Debbugs-CC: bunk at debian.org
>> User: debian-ci at lists.debian.org
>> Usertags: regression
>> Control: affects -1 src:libgudev
>>
>> Dear maintainer(s),
>>
>> With a recent upload of upower, the autopkgtest of upower fails on 
>> i386 in testing when that autopkgtest is run with the binary packages 
>> of upower and libgudev from unstable. It passes when run with only 
>> packages from testing. In tabular form:
>>
>>                         pass            fail
>> libgudev               from testing    238-2
>> upower                 from testing    1.90.2-4
>> all others             from testing    from testing
>>
>> I copied some of the output at the bottom of this report. Looking at 
>> the error this *seems* to me the result of the excessive precision of 
>> i386, but I hope the i386 porter (in XDCC) can shed his light on that 
>> too.
>>
>> Currently this regression is blocking the migration of libgudev to 
>> testing [1]. Due to the nature of this issue, I filed this bug report 
>> against both packages. Can you please investigate the situation and 
>> reassign the bug to the right package?
>>
>> More information about this bug and the reason for filing it can be 
>> found on
>> https://wiki.debian.org/ContinuousIntegration/RegressionEmailInformation
>>
>> Paul
>>
>> [1] https://qa.debian.org/excuses.php?package=libgudev
>>
>> https://ci.debian.net/data/autopkgtest/testing/i386/u/upower/37102682/log.gz
>>
>> 208s 
>> ======================================================================
>> 208s FAIL: test_battery_energy_charge_mixed 
>> (__main__.Tests.test_battery_energy_charge_mixed)
>> 208s battery which reports both current charge and energy
>> 208s 
>> ----------------------------------------------------------------------
>> 208s Traceback (most recent call last):
>> 208s   File "/usr/libexec/upower/integration-test.py", line 887, in 
>> test_battery_energy_charge_mixed
>> 208s     self.assertEqual(self.get_dbus_dev_property(bat0_up, 
>> 'Percentage'), 40.0)
>> 208s AssertionError: 40.00000000000001 != 40.0
> 
> Adrian, as i386 porter, could you have a look at this?

I've forwarded the issue to upstream but didn't receive any feedback.
I also didn't receive any feedback from the i386 porters.

Since I only have limited interest in i386 I've updated the package to 
ignore the autopkgtest failure on i386.

I'd obviously would like to see this fixed probably and would appreciate 
any help from people interested in i386.

Regards,
Michael
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