Wednesday 31 January 2024

Re: Upcoming upload of glibc 2.39 in noble-proposed

Hi Simon,

So, not that this relieves stress on anyone as we're all going to want
to beat this (or wait for the long, long queues), but I assume you mean
Friday, February 2nd?

On 1/31/24 09:07, Simon Chopin wrote:
> Hi there!
>
> Small timeline update: I'm actually aiming at uploading the new glibc on
> Friday, 3rd, so two days from now.
>
>> Hi folks!
>>
>> As usual in this time of the cycle, the new version of glibc is about to
>> be released upstream (scheduled next Thursday, Feb 1st), and should thus be
>> uploaded to the archive shortly thereafter, presumably around Feb 7th.
>>
>> Have a look at the upstream changelog if you're interested in the
>> details:
>>
>> https://sourceware.org/git/?p=glibc.git;a=blob;f=NEWS;h=199f079f2764ccd2a1973fdd927bc291fdd1d0a9;hb=HEAD
>>
>> Note that we are not impacted by the libcrypt removal as we
>> haven't built libcrypt for glibc for a while. If some of your projects
>> use a third-party malloc implementation, see at bottom to try a
>> snapshot.
>>
>> A number of potential issues have already been identified through a test
>> rebuild done with a development snapshot of glibc. All glibc-related
>> regressions have been identified and reported (thanks to Ravi Kant
>> Sharma for his tremendous help on that front), and we're currently
>> working our way through the list:
>>
>> https://bugs.launchpad.net/ubuntu/+bugs?field.tag=test-rebuild-glibc-noble
>>
>> There's a fresh snapshot package available in a PPA:
>>
>> https://launchpad.net/~ubuntu-toolchain-r/+archive/ubuntu/glibc
>>
>> (i386 build is currently broken, WIP)
>>
>>
>> This upload usually has the immediate consequence of blowing up the
>> autopkgtest huge queue, meaning any other package that uses this queue
>> for its rdep tests will be directly impacted. In addition, the added
>> load usually means there's a higher failure rate on tests (e.g. timeouts
>> due to resource attrition). Furthermore, it is possible that a package
>> built after the glibc upload would pick up a versioned dependency on the
>> newer glibc due to changes in ABIs for existing functions. In that case,
>> said package would need to wait until glibc has migrated, which can take
>> a little while.
>>
>> Feel free to reach out to me (schopin) on IRC if you have questions.
>>
>> Cheers,
>> Simon

--
--
Erich Eickmeyer
Project Leader - Ubuntu Studio
Technical Lead - Edubuntu


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