System hang (but no logs collected - lack of console) also on node huggins (POWER8NVL, 8335-GTB) with Hirsute 5.11.0-34-generic
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1909286 Title: ubuntu_kernel_selftest will be interrupted with the reuseport_bpf_cpu / reuseport_bpf_numa test in net (BUG: Unable to handle kernel instruction fetch (NULL pointer?)) Status in ubuntu-kernel-tests: Confirmed Status in linux package in Ubuntu: Confirmed Status in linux source package in Focal: Confirmed Status in linux source package in Hirsute: Confirmed Bug description: Issue found with 5.4.0-59.65~18.04.1 P8 node entei and dryden It looks like the ubuntu_kernel_selftests will be interrupted when running the reuseport_bpf_cpu / reuseport_bpf_numa in net category. From the jenkins test log you will see the test didn't finish. For node entei: 07:37:44 DEBUG| [stdout] # selftests: net: reuseport_bpf_cpu 07:37:44 DEBUG| [stdout] # ---- IPv4 UDP ---- 07:37:44 DEBUG| [stdout] # send cpu 0, receive socket 0 07:37:44 DEBUG| [stdout] # send cpu 1, receive socket 1 07:37:44 DEBUG| [stdout] # send cpu 2, receive socket 2 ... 07:37:44 DEBUG| [stdout] # send cpu 123, receive socket 123 07:37:44 DEBUG| [stdout] # send cpu 125, receive socket 125 07:37:44 DEBUG| [stdout] # send cpu 127, receive socket 127 07:37:44 DEBUG| [stdout] # ---- IPv6 UDP ---- 07:37:44 DEBUG| [stdout] # send cpu 0, receive socket 0 07:37:44 DEBUG| [stdout] # send cpu 1, receive socket 1 07:37:44 DEBUG| [stdout] # send cpu 2, receive socket 2 .... 07:37:44 DEBUG| [stdout] # send cpu 123, receive socket 123 07:37:44 DEBUG| [stdout] # send cpu 125, receive socket 125 07:37:44 DEBUG| [stdout] # send cpu 127, receive socket 127 07:37:44 DEBUG| [stdout] # ---- IPv4 TCP ---- + ARCHIVE=/var/lib/jenkins/jobs/sru-misc__B-hwe-5.4_ppc64el-generic__using_entei__for_kernel/builds/1/archive + scp -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o LogLevel=quiet -r ubuntu@entei:kernel-test-results /var/lib/jenkins/jobs/sru-misc__B-hwe-5.4_ppc64el-generic__using_entei__for_kernel/builds/1/archive For node dryden: 08:22:09 DEBUG| [stdout] ok 2 selftests: net: reuseport_bpf_cpu 08:22:09 DEBUG| [stdout] # selftests: net: reuseport_bpf_numa 08:22:09 DEBUG| [stdout] # ---- IPv4 UDP ---- + ARCHIVE=/var/lib/jenkins/jobs/sru-misc__B-hwe-5.4_ppc64el-generic__using_dryden__for_kernel/builds/2/archive + scp -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o LogLevel=quiet -r ubuntu@dryden:kernel-test-results /var/lib/jenkins/jobs/sru-misc__B-hwe-5.4_ppc64el-generic__using_dryden__for_kernel/builds/2/archive This issue does not exist in Focal 5.4 Trace back to older Bionic 5.4 kernel: * 5.4.0-58.64~18.04.1 - not tested * 5.4.0-57.63~18.04.1 - this issue does not exist as the bpf test build is blocking the build of net test * 5.4.0-56.62~18.04.1 - missing test result as node modoc is broken * 5.4.0-52.57~18.04.1 - no such issue with node modoc To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/1909286/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
