reuseport_bpf_numa in net from ubuntu_kernel_selftests fails on ppc64le

Bug #1867570 reported by Po-Hsu Lin on 2020-03-16
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
ubuntu-kernel-tests
Undecided
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linux (Ubuntu)
Undecided
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Bug Description

This issue was extracted from the comment in bug 1812638, since that bug will be specific for i386

This reuseport_bpf_numa in net will fail on PowerPC with:

The output on B-5.3 P8 is:
 # selftests: net: reuseport_bpf_numa
 # ---- IPv4 UDP ----
 # send node 0, receive socket 0
 # send node 1, receive socket 7
 # ./reuseport_bpf_numa: node id/receive socket mismatch
 not ok 3 selftests: net: reuseport_bpf_numa # exit=1

Po-Hsu Lin (cypressyew) on 2020-03-16
tags: added: 5.0 5.3 sru-20191202
tags: added: ppc64el ubuntu-kernel-selftests
tags: added: sru-202002
tags: added: sru-20200217
removed: sru-202002
tags: added: bionic

This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:

apport-collect 1867570

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

Changed in linux (Ubuntu):
status: New → Incomplete
Po-Hsu Lin (cypressyew) on 2020-04-14
tags: added: sru-20200406
Po-Hsu Lin (cypressyew) wrote :

Found on 4.15 X-hwe P8:
 sudo ./reuseport_bpf_numa
---- IPv4 UDP ----
send node 0, receive socket 0
send node 1, receive socket 1
libnuma: Warning: Cannot read node cpumask from sysfs
./reuseport_bpf_numa: failed to pin to node: No such file or directory

Po-Hsu Lin (cypressyew) on 2020-05-11
tags: added: sru-20200427
Po-Hsu Lin (cypressyew) wrote :

Can be found on Focal P9 5.4.0-34.38

tags: added: sru-20200518
Po-Hsu Lin (cypressyew) on 2020-08-26
tags: added: sru-20200810

Found on Groovy/linux 5.8.0-31.33 with some output differences:

11/26 10:07:52 DEBUG| utils:0153| [stdout] # selftests: net: reuseport_bpf_numa
11/26 10:07:52 DEBUG| utils:0153| [stdout] # ---- IPv4 UDP ----
11/26 10:07:52 DEBUG| utils:0153| [stdout] # send node 0, receive socket 0
11/26 10:07:52 DEBUG| utils:0153| [stdout] # libnuma: Warning: Cannot read node cpumask from sysfs
11/26 10:07:52 DEBUG| utils:0153| [stdout] # ./reuseport_bpf_numa: failed to pin to node: No such file or directory
11/26 10:07:52 DEBUG| utils:0153| [stdout] not ok 3 selftests: net: reuseport_bpf_numa # exit=1

tags: added: 5.8 groovy sru-20201109
Po-Hsu Lin (cypressyew) wrote :

Failed on Hirsute with:
 # selftests: net: reuseport_bpf_numa
 # ---- IPv4 UDP ----
 # send node 0, receive socket 0
 # libnuma: Warning: Cannot read node cpumask from sysfs
 # ./reuseport_bpf_numa: failed to pin to node: No such file or directory
 not ok 3 selftests: net: reuseport_bpf_numa # exit=1

tags: added: hirsute
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