Hi, It still gives the same behavior. I ssh'd into the machine and syslog shows the following:
Apr 10 09:00:34 machine-name kernel: [ 78.597093] x86/PAT: ipmi-locate:2583 map pfn expected mapping type uncached-minus for [mem 0xbde1d000-0xbde1dfff], got write-back Apr 10 09:00:34 machine-name kernel: [ 78.758144] x86/PAT: ipmi-locate:2583 map pfn expected mapping type uncached-minus for [mem 0xbde1c000-0xbde1cfff], got write-back Apr 10 09:01:08 machine-name systemd[1]: Starting Stop ureadahead data collection... Apr 10 09:01:08 machine-name systemd[1]: Stopping Read required files in advance... Apr 10 09:01:08 machine-name systemd[1]: Started Stop ureadahead data collection. Apr 10 09:01:25 machine-name kernel: [ 129.353796] INFO: rcu_sched detected stalls on CPUs/tasks: Apr 10 09:01:25 machine-name kernel: [ 129.429260] 0-...!: (0 ticks this GP) idle=c18/0/0 softirq=2098/2098 fqs=0 Apr 10 09:01:25 machine-name kernel: [ 129.524289] (detected by 6, t=15044 jiffies, g=1622, c=1621, q=11120) Apr 10 09:01:25 machine-name kernel: [ 129.613039] Sending NMI from CPU 6 to CPUs 0: Apr 10 09:01:25 machine-name kernel: [ 129.613089] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0x12/0x20 Apr 10 09:01:25 machine-name kernel: [ 129.614057] rcu_sched kthread starved for 15067 jiffies! g1622 c1621 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x402 ->cpu=0 Apr 10 09:01:25 machine-name kernel: [ 129.755325] rcu_sched I 0 9 2 0x80000000 Apr 10 09:01:25 machine-name kernel: [ 129.755332] Call Trace: Apr 10 09:01:25 machine-name kernel: [ 129.755350] __schedule+0x24e/0x880 Apr 10 09:01:25 machine-name kernel: [ 129.755357] ? __switch_to_asm+0x41/0x70 Apr 10 09:01:25 machine-name kernel: [ 129.755363] schedule+0x2c/0x80 Apr 10 09:01:25 machine-name kernel: [ 129.755368] schedule_timeout+0x15d/0x350 Apr 10 09:01:25 machine-name kernel: [ 129.755375] ? __next_timer_interrupt+0xe0/0xe0 Apr 10 09:01:25 machine-name kernel: [ 129.755382] rcu_gp_kthread+0x53a/0x980 Apr 10 09:01:25 machine-name kernel: [ 129.755390] kthread+0x121/0x140 Apr 10 09:01:25 machine-name kernel: [ 129.755394] ? rcu_note_context_switch+0x150/0x150 Apr 10 09:01:25 machine-name kernel: [ 129.755399] ? kthread_create_worker_on_cpu+0x70/0x70 Apr 10 09:01:25 machine-name kernel: [ 129.755404] ret_from_fork+0x22/0x40 ** Changed in: maas Status: Incomplete => New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1872021 Title: commissioning fails due to hung tasks setting up ipmitool To manage notifications about this bug go to: https://bugs.launchpad.net/maas/+bug/1872021/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs