As 5.3 does not exist anymore, I am going to close this bug.
** Changed in: ubuntu-kernel-tests
Status: New => Fix Committed
** Changed in: ubuntu-kernel-tests
Status: Fix Committed => Fix Released
** Changed in: linux (Ubuntu)
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/1892070
Title:
ip_defrag.sh in net from ubuntu_kernel_selftests ADT failure with
focal/linux
Status in ubuntu-kernel-tests:
Fix Released
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Focal:
Fix Released
Bug description:
Testing failed on focal/linux 5.4.0-44.48:
amd64:
https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-focal/focal/amd64/l/linux/20200812_171444_31971@/log.gz
arm64:
https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-focal/focal/arm64/l/linux/20200812_210509_145fd@/log.gz
ppc64el:
https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-focal/focal/ppc64el/l/linux/20200812_165855_1dabd@/log.gz
s390x:
https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-focal/focal/s390x/l/linux/20200812_153600_9c7cb@/log.gz
ip_defrag.sh fails with return code 255 without any output. Commenting
the "set +x" line from the script and running it we get:
$ sudo bash -x ./ip_defrag.sh
+ set -e
++ mktemp -u XXXXXX
+ readonly NETNS=ns-2Wn99i
+ NETNS=ns-2Wn99i
+ trap cleanup EXIT
+ setup
+ ip netns add ns-2Wn99i
+ ip -netns ns-2Wn99i link set lo up
+ ip netns exec ns-2Wn99i sysctl -w net.ipv4.ipfrag_high_thresh=9000000
+ ip netns exec ns-2Wn99i sysctl -w net.ipv4.ipfrag_low_thresh=7000000
+ ip netns exec ns-2Wn99i sysctl -w net.ipv4.ipfrag_time=1
+ ip netns exec ns-2Wn99i sysctl -w net.ipv6.ip6frag_high_thresh=9000000
+ ip netns exec ns-2Wn99i sysctl -w net.ipv6.ip6frag_low_thresh=7000000
+ ip netns exec ns-2Wn99i sysctl -w net.ipv6.ip6frag_time=1
+ ip netns exec ns-2Wn99i sysctl -w
net.netfilter.nf_conntrack_frag6_high_thresh=9000000
+ cleanup
+ ip netns del ns-2Wn99i
Running these manually we get the following error:
$ sudo ip netns exec ns-2Wn99i sysctl -w
net.netfilter.nf_conntrack_frag6_high_thresh=9000000
sysctl: cannot stat /proc/sys/net/netfilter/nf_conntrack_frag6_high_thresh:
No such file or directory
This happens because this step needs the 'nf_defrag_ipv6' module to be
loaded.
This has always failed like this with the ADT tests but not always
with our Regression Tests. I suspect that on Regression Tests there
might be another testcase that's run before it that loads this module.
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