autotest-client-test repository updated now (on the positive side this
was no real regression in the kernel but a failure to disable a known
problematic part of the self tests).
** Changed in: linux (Ubuntu)
Importance: Undecided => High
** Changed in: linux (Ubuntu)
Status: Triaged => Fix Released
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https://bugs.launchpad.net/bugs/1706283
Title:
ADT tests fail since 4.11.0-11.16
Status in linux package in Ubuntu:
Fix Released
Bug description:
The ADT tests started failing with 4.11.0-11.16 on amd64, i386 and
ppc64el: all the arches we run using qemu over OpenStack. The virtual
machines hang completely.
The last lines in the log are:
12:11:18 DEBUG| [stdout] Test icebp [Ok]
12:11:18 DEBUG| [stdout] Test int 3 trap [Failed]
12:11:18 DEBUG| [stdout] selftests: breakpoint_test [PASS]
12:11:18 DEBUG| [stdout]
/tmp/autopkgtest.zKFdZm/build.ham/linux-4.11.0/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/breakpoints
...
and on the console we see a lot of messages like:
** 35 printk messages dropped ** [ 3577.683828] ACPI Error: No installed
handler for fixed event - SleepButton (3), disabling (20170119/evevent-286)
** 33 printk messages dropped ** [ 3577.686564] ACPI Error: Could not disable
RealTimeClock events (20170119/evxfevnt-267)
** 25 printk messages dropped ** [ 3577.688566] ACPI Error: No installed
handler for fixed event - SleepButton (3), disabling (20170119/evevent-286)
** 35 printk messages dropped ** [ 3577.692788] ACPI Error: No installed
handler for fixed event - SleepButton (3), disabling (20170119/evevent-286)
** 29 printk messages dropped ** [ 3577.695184] ACPI Error: No installed
handler for fixed event - SleepButton (3), disabling (20170119/evevent-286)
** 34 printk messages dropped ** [ 3577.697955] ACPI Error: No installed
handler for fixed event - PM_Timer (0), disabling (20170119/evevent-286)
I've attached the full log. In the log file there is the invocation I used to
generate the failing log. You should be able to try similar using either `qemu'
locally. If that doesn't reproduce, try on Canonistack. If *that* doesn't
reproduce, apw or I can run test builds for you if there's a PPA to test from.
This tickles an unfortunate behaviour in the way we run autopkgtest.
What happens is: the machine hangs, autopkgtest notices this has
happened, it tries to clean up the testbed and can't get into it
because it is hung. This is counted as a 'temporary failure', and so
the job is requeued forever. As a result, I've blacklisted linux from
the workers. Please reach out to us for manual runs, and then once it
is confirmed to not loop in this way we'll remove the blacklist.
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