*** This bug is a duplicate of bug 2029917 ***
https://bugs.launchpad.net/bugs/2029917
Hi Roxana, thanks for reporting this, it will be great to include at
least the kernel version. So people can look up in the history more
easily.
I believe this is for 5.4.0-1109-aws-fips
And I can see this from dmesg before it crashes:
[ 73.980713] ------------[ cut here ]------------
[ 73.980714] kernel BUG at arch/x86/xen/spinlock.c:62!
[ 73.981783] invalid opcode: 0000 [#1] SMP PTI
So this is probably a duplicate with bug 2029917
The system will be rebooted after that. And experiment shows the fail
rate is 4 out of 5 attempts.
** This bug has been marked a duplicate of bug 2029917
[Potential Regression] cpuset_hotplug in ubuntu_ltp_controllers triggers
kernel bug (arch/x86/xen/spinlock.c:62) and kernel panic on AWS cloud c3.xlarge
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https://bugs.launchpad.net/bugs/2033694
Title:
f:aws-fips times out on cpuset_hotplug test
Status in ubuntu-kernel-tests:
New
Bug description:
On f:aws-fips, the test cpuset_hotplug from ubuntu_ltp_controllers is
timing out in the c3.xlarge instance as below:
17:27:30 INFO | START ubuntu_ltp_controllers.cpuset_hotplug
ubuntu_ltp_controllers.cpuset_hotplug timestamp=1693502850 timeout=4500
localtime=Aug 31 17:27:30
17:27:30 DEBUG| Persistent state client._record_indent now set to 2
17:27:30 DEBUG| Persistent state client.unexpected_reboot now set to
('ubuntu_ltp_controllers.cpuset_hotplug',
'ubuntu_ltp_controllers.cpuset_hotplug')
17:27:30 DEBUG| Waiting for pid 930911 for 4500 seconds
17:27:30 WARNI| System python is too old, crash handling disabled
rsync: link_stat "/tmp/ubuntu_ltp_controllers.sentinel" failed: No such file
or directory (2)
rsync error: some files/attrs were not transferred (see previous errors)
(code 23) at main.c(1668) [Receiver=3.1.2]
rsync: [Receiver] write error: Broken pipe (32)
TEST SYSTEM FAILURE DETECTED
A failure of the system under test has been detected.
Please review log files for a potential panic, hang or unexpected reboot
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