It looks like this hang issue was introduced because the mmap test has timed
out.
And it gets killed by the autotest framework.
However it's not really "killed", you can see that it's still stuck with
mmap test:
# ps aux
root 23787 0.0 0.0 4384 748 ?S06:21 0:00
** Summary changed:
- ubuntu_qrt_apparmor will hang with Bionic kernel on KVM instance
+ ubuntu_qrt_apparmor will hang with Bionic kernel on KVM instance (mmap test
timeout)
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** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu)
Status: Confirmed => Triaged
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https://bugs.launchpad.net/bugs/1783922
Hi Steve,
The node was deployed by our MaaS, we don't build the kernel before
testing.
This was tested manually in two ways:
A. with the autotest framework:
git clone --depth=1 git://kernel.ubuntu.com/ubuntu/autotest-client-tests -b
master-next
git clone --depth=1
Hi Po-Hsu,
Alas, I'm not able to reproduce this in a kvm guest with only 768k:
Ran 56 tests in 1026.130s
OK
ubuntu@sec-bionic-amd64:~/tests/qrt-test-apparmor$ free -m
totalusedfree shared buff/cache available
Mem:733 543 59
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