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
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https://bugs.launchpad.net/bugs/1872021
Title:
commissioning fails due to hung tasks setting up ipmitool
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