Hi David,
your comment seems out of context here. If there is an issue I'd recommend
filing a new bug for netplan and discussing things there, but if all you need
is "Is it possible to run with the old net manager and focal" then look at [1].
[1]:
This bug was fixed in the package haproxy - 2.0.13-2ubuntu0.1
---
haproxy (2.0.13-2ubuntu0.1) focal; urgency=medium
* Backport dns related fixes from git to resolve crashes when
using do-resolve action (LP: #1894879)
- BUG/CRITICAL: dns: Make the do-resolve action thread
The proposed version is running on 2 production machines and no crash
(nor any other problem) was observed since then. Marking as
verification-done.
# apt-get install haproxy
Reading package lists... Done
Building dependency tree
Reading state information... Done
Suggested packages:
Hello Simon, or anyone else affected,
Accepted haproxy into focal-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/haproxy/2.0.13-2ubuntu0.1 in a few
hours, and then in the -proposed repository.
Please help us by testing this new package. See
Quick update: it's been roughly a week and still no crash with the pre-
proposed package so that's good! Still waiting on the update to show up
in -proposed.
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Sure thing, I'll keep an eye out for -proposed and will report back.
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https://bugs.launchpad.net/bugs/1894879
Title:
frequent crashes when using do-resolve()
To manage notifications
>From autopkgtest:
---
proxy-localhost PASS
cli PASS
proxy-localhost PASS
---
$ git push pkg upload/2.0.13-2ubuntu0.1
Counting objects: 17, done.
Delta compression using up to 8 threads.
Compressing objects: 100% (17/17), done.
Writing objects: 100% (17/17), 6.47 KiB
@sdeziel,
Could you please verify the fix from -proposed archive once it gets
there (after SRU team approves the upload) and change the tag from
"verification-needed" to "verification-done" when appropriate ?
I took the liberty to change the patch names and position in series file
to help a bit
Thanks for adding the d/control part :)
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Title:
frequent crashes when using do-resolve()
To manage notifications about this bug go to:
** Merge proposal linked:
https://code.launchpad.net/~rafaeldtinoco/ubuntu/+source/haproxy/+git/haproxy/+merge/390625
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Title:
frequent
Perfect! Sorry for missing that feedback. Ill upload (sponsor) for you
and it will get reviewed by the SRU team then, for acceptance. But I
don't think there will be any issues.
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Rafael, yes production testing went/is going well and we are more than 2
days in (it's mentioned/buried in the regression potential). Thanks for
your sponsoring offer!
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Simon, you said you would be testing in production ... do you have any
update on that, apart from the debdiff ?
For Focal, we have:
# issue #236
BUG/MAJOR: dns: Make the do-resolve action thread-safe
> This patch should fix the issue #236. It must be backported as far as
2.0.
# issue #222
+0003-BUG-CRITICAL-dns-Make-the-do-resolve-action-thread-safe.patch
This is available at 2020/07/23: 2.2.1
+0004-BUG-MEDIUM-dns-Release-answer-items-when-a-DNS-resolution-is-
freed.patch
This is available at 2020/07/23: 2.2.1
** Description changed:
+ [Impact]
+
+ * using the do-resolve action causes frequent crashes (>15 times/day on
+ a given machine) and sometimes put haproxy into a bogus state where DNS
+ resolution stops working forever without crashing (DoS)
+
+ * to address the problem, 3 upstream fixes
I've deployed a test package with all 3 git commits included. I will
report here after few days of testing and hopefully a debdiff to propose
;)
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