Hello Łukasz, or anyone else affected,
Accepted glibc into focal-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/glibc/2.31-0ubuntu9.4
in a few hours, and then in the -proposed repository.
Please help us by testing this new package. See
Hello, apt was not able to resolve dependencies when trying to install
clang on my end as well, and was saying that the package depends on
libc6=2.31-0ubuntu9.2, which is not installed and can't be installed. I
tried the fix @alkisg suggested and it works now. It downgraded 8-9
libc* packages, and
Another variant of the problem that I mentioned in comment #15. An
ubuntu user just reported it on IRC:
$ apt install clang
The following packages have unmet dependencies:
clang : Depends: clang-10 (>= 10~) but it is not going to be installed
That apt message is misleading, as the underlying
The issue has been solved in Snapcraft, but any affected snap would need
to rebuild
** Changed in: snapcraft
Status: New => Fix Released
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** Description changed:
- It seems that with our new core20 in the beta channel all snaps seem to
- be segfaulting. We recently had a new glibc landed in focal-updates -
- might be related.
+ [Impact]
+
+ * Core20 snap built with updated glibc crashes snaps also bundling
+ glibc.
+
+ [Test
Hi, the libc update + removal caused the following issue:
1) On 2021-04-26, libc version 2.31-0ubuntu9.3 got uploaded to Ubuntu Focal.
2) Many people updated to it.
3) Two days later, on 2021-04-28, it got removed because it was causing the
issues descripted in this bug report.
4) If any of the
Unfortunately I don't know how to easily remove glibc from the snaps in
a way that would confirm that they work, I don't have time to manually
build all of these snaps that are broken, I tried the basic thing of
unpacking the snap and `rm -rf ./lib/x86_64-linux-gnu/libc-2.31.so
@anonymouse67 With glibc removed from the snaps other than core20 they
should be working OK with core20 1016 shipping 2.31-0ubuntu9.3. Could
you please confirm that?
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Hi Ian, thanks for raising this. Those would need a rebuild to be mostly
ok, we had a release time bug which we have since fixed
https://github.com/snapcore/snapcraft/commit/0bf7a2e6619b0037a50caeb49d28788c021d0921
If using Snapcraft 4.6.1 this should no longer be the issue for core20.
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Sure, I was not aware test-snapd-rsync-core20 was shipping glibc, that
is indeed not a good idea.
I went looking on my system for other snaps which experienced the crash,
and it seems that every snap that ships glibc in it crashes with the
beta channel of core20, but snaps that (properly) do not
Core20 (1026) now works, but I believe shipping libc in test-snapd-
rsync-core20, too, is not healthy and will break again when core20's
glibc gets upgraded.
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OK, so core20 (1015) bundles libc6 2.31-0ubuntu9.3 which has been
removed from updates. Please build a new core20 with libc6
2.31-0ubuntu9.2 which is currently in focal-updates.
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** Changed in: glibc (Ubuntu)
Status: Invalid => New
** Changed in: glibc (Ubuntu Groovy)
Status: Invalid => New
** Changed in: glibc (Ubuntu Hirsute)
Status: Invalid => New
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OK, I've tested it in clean multipass VMs and test-snapd-rsync-
core20.rsync does not work on Bionic, Focal and later. Interestingly it
ships a local copy of libc6 inside that could be the problem and it
worked on Focal for some time due to accidentally matching the host's
libc6.
...
Reading
Strangely I can reproduce the crash in a newly created multipass focal
VM with the old glibc (2.31-0ubuntu9.2) from focal-updates.
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Title:
Snap
** Also affects: glibc (Ubuntu Groovy)
Importance: Undecided
Status: New
** Also affects: glibc (Ubuntu Hirsute)
Importance: Undecided
Status: New
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@joalif Thanks, I've marked it as a duplicate of an other similar issue with
the installer that i've already commented on.
BTW test-snapd-rsync-core20 does not work on Groovy and Hirsute either and I'm
surprised that no one reported that yet.
** Tags added: regression-update
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@Balint not sure if you're already aware but the regression caused by LP:
#1914044 may be causing
the problem in LP: #1867502 .
Earlier today people reported failed deployments with netinstall, autoinstalls
etc,
which is now working again (I guess because 2.31-0ubuntu9.3 was pulled out of
** Changed in: glibc (Ubuntu)
Assignee: (unassigned) => Balint Reczey (rbalint)
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Title:
Snap applications segfault with new core20 (rev:
Thank you for the bug report.
The update has been reverted, please downgrade glibc binary packges to
2.31-0ubuntu9.2 until the new update becomes available.
The problem seems to be caused by the fix for LP: #1914044.
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Balint will be looking into it. For now we decided to pull the latest
glibc update from focal-updates back to focal-proposed.
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Title:
Snap
** Changed in: glibc (Ubuntu)
Status: Incomplete => New
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Title:
Snap applications segfault with new core20 (rev: 1015+)
To manage
backtrace needed
** Changed in: glibc (Ubuntu)
Status: New => Incomplete
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Title:
Snap applications segfault with new core20 (rev: 1015+)
With the test snap that uses core20 as it's base, test-snapd-rsync-
core20 (installable on the edge channel), I see it segfaulting when
running the snap on both a UC20 system with the core20 snap as a base
snap, as well as on my groovy desktop:
https://pastebin.ubuntu.com/p/qbq86DYw5Q/
You can
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