** Changed in: firefox (Ubuntu)
Assignee: Olivier Tilloy (osomon) => (unassigned)
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https://bugs.launchpad.net/bugs/1853571
Title:
autopkgtests sometimes hang on armhf
Status in firefox package in Ubuntu:
Triaged
Bug description:
This has been most recently observed with firefox
70.0.1+build1-0ubuntu2 on focal, but I believe this is not new, it has
been observed in the past with older versions of firefox.
I cannot reproduce the problem consistently, but I've observed it at
least once in a test environment (focal/armhf lxd container running on
a bionic/arm64 cloud instance), and it has happened quite a few times
lately on the ubuntu autopkgtest infrastructure.
The html5test hangs indefinitely, and only times out after more than 5
hours (=20000 seconds, which is the test timeout hardcoded in the
infrastructure).
When I reproduced the hang, this was the list of (relevant) running
processes:
root 5554 5545 0 05:55 ? 00:00:02 /usr/bin/python3
/tmp/autopkgtest.xdq8Z8/build.Zik/real-tree/debian/tests/html5test
root 5561 5554 0 05:55 ? 00:00:00 geckodriver --port 42963
root 5569 5561 0 05:55 ? 00:00:17 /usr/lib/firefox/firefox
-marionette -headless -foreground -no-remote -profile /tmp/rust_mozprofileA720rs
root 5611 5569 0 05:55 ? 00:00:05 /usr/lib/firefox/firefox
-contentproc -childID 1 -isForBrowser -prefsLen 1 -prefMapSize 198008 …
root 5632 5569 0 05:55 ? 00:00:14 /usr/lib/firefox/firefox
-contentproc -childID 2 -isForBrowser -prefsLen 62 -prefMapSize 198008 …
root 5676 5569 0 05:55 ? 00:00:00 /usr/lib/firefox/firefox
-contentproc -childID 3 -isForBrowser -prefsLen 8264 -prefMapSize 198008 …
I straced them all and the geckodriver process is the one that appeared
blocked:
root@focal-armhf:~# strace -p 5561
strace: Process 5561 attached
futex(0xf7a79288, FUTEX_WAIT, 5562, NULL
Here is the test output when it hangs:
autopkgtest [07:14:56]: test firefox-version: - - - - - - - - - - results -
- - - - - - - - -
firefox-version PASS
autopkgtest [07:14:59]: test html5test: preparing testbed
Reading package lists...
Building dependency tree...
Reading state information...
Starting pkgProblemResolver with broken count: 0
Starting 2 pkgProblemResolver with broken count: 0
Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Setting up autopkgtest-satdep (0) ...
(Reading database ... 59615 files and directories currently installed.)
Removing autopkgtest-satdep (0) ...
autopkgtest [07:15:29]: test html5test: [-----------------------
127.0.0.1 - - [22/Nov/2019 07:15:45] "GET / HTTP/1.1" 200 -
127.0.0.1 - - [22/Nov/2019 07:15:47] "GET /css/main.css HTTP/1.1" 200 -
127.0.0.1 - - [22/Nov/2019 07:15:47] "GET /scripts/base.js HTTP/1.1" 200 -
127.0.0.1 - - [22/Nov/2019 07:15:47] "GET /scripts/8/engine.js HTTP/1.1" 200 -
127.0.0.1 - - [22/Nov/2019 07:15:47] "GET /scripts/8/data.js HTTP/1.1" 200 -
127.0.0.1 - - [22/Nov/2019 07:15:52] "GET /images/html5.png HTTP/1.1" 200 -
127.0.0.1 - - [22/Nov/2019 07:15:53] "GET /images/sponsors/cloudvps.png
HTTP/1.1" 200 -
127.0.0.1 - - [22/Nov/2019 07:15:53] "GET /fonts/html5test.woff HTTP/1.1" 200
-
127.0.0.1 - - [22/Nov/2019 07:15:53] "GET
/fonts/leaguegothic-regular-webfont.woff HTTP/1.1" 200 -
127.0.0.1 - - [22/Nov/2019 07:15:53] "GET /assets/detect.html?twt5r HTTP/1.1"
200 -
127.0.0.1 - - [22/Nov/2019 07:15:53] "GET /assets/detect.html?k44ge HTTP/1.1"
200 -
127.0.0.1 - - [22/Nov/2019 07:15:53] "GET /assets/detect.html?flslr HTTP/1.1"
200 -
127.0.0.1 - - [22/Nov/2019 07:15:53] "GET /assets/detect.html?2l0zy HTTP/1.1"
200 -
127.0.0.1 - - [22/Nov/2019 07:15:53] "GET /images/icons/favicon-196x196.png
HTTP/1.1" 200 -
127.0.0.1 - - [22/Nov/2019 07:15:53] "GET /images/icons/favicon-16x16.png
HTTP/1.1" 200 -
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