On a arm64 node we had some more useful console logs: https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac /autopkgtest-bionic/bionic/arm64/l/linux/20200223_153549_99119@/log.gz
[ 7400.666431] rcu_sched kthread starved for 240027 jiffies! g460241 c460240 f0x2 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=1 [ 7426.939201] watchdog: BUG: soft lockup - CPU#3 stuck for 22s! [stress-ng-vm-se:29260] [ 7427.941599] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [stress-ng-vm-se:28674] [ 7580.664232] INFO: rcu_sched self-detected stall on CPU [ 7580.666689] 3-...!: (284881 ticks this GP) idle=cfa/140000000000001/0 softirq=1720701/1720703 fq s=0 [ 7580.671124] (t=285031 jiffies g=460241 c=460240 q=979) [ 7580.672223] INFO: rcu_sched detected stalls on CPUs/tasks: [ 7580.673660] rcu_sched kthread starved for 285032 jiffies! g460241 c460240 f0x2 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=1 [ 7580.675893] 3-...!: (284881 ticks this GP) idle=cfa/140000000000001/0 softirq=1720701/1720703 fqs=0 [ 7580.685152] [ 7580.686074] rcu_sched kthread starved for 285035 jiffies! g460241 c460240 f0x2 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=1 [ 7606.937596] watchdog: BUG: soft lockup - CPU#3 stuck for 22s! [stress-ng-vm-se:29260] [ 7607.947991] watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [stress-ng-vm-se:29259] -- 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/1864063 Title: vm-segv from ubuntu_stress_smoke_test failed on B Status in Stress-ng: Incomplete Status in ubuntu-kernel-tests: New Status in linux package in Ubuntu: Invalid Status in linux source package in Bionic: Confirmed Bug description: Issue found on node onibi, with kernel 4.15.0-89.89/ 4.15.0-89.89~16.04.1 Reproduce rate: 2/2 on generic kernel, 2/2 on lowlatency kernel, 2/2 on X-hwe generic kernel Test hang with vm-segv: 05:58:36 DEBUG| [stdout] vm-addr PASSED 05:58:36 DEBUG| [stdout] vm-rw STARTING 05:58:41 DEBUG| [stdout] vm-rw RETURNED 0 05:58:41 DEBUG| [stdout] vm-rw PASSED 05:58:41 DEBUG| [stdout] vm-segv STARTING + ARCHIVE=/var/lib/jenkins/jobs/smoke__B_amd64-generic__using_onibi__for_kernel/builds/2/archive + scp -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o LogLevel=quiet -r ubuntu@onibi:kernel-test-results /var/lib/jenkins/jobs/smoke__B_amd64-generic__using_onibi__for_kernel/builds/2/archive To manage notifications about this bug go to: https://bugs.launchpad.net/stress-ng/+bug/1864063/+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
