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  1. Bug #1684054
  2. Comment #14

Comment 14 for bug 1684054

Revision history for this message
bugproxy (bugproxy) wrote : Comment bridged from LTC Bugzilla

------- Comment From <email address hidden> 2017-08-17 04:48 EDT-------
(In reply to comment #30)
> This bug is awaiting verification that the kernel in -proposed solves the
> problem. Please test the kernel and update this bug with the results. If the
> problem is solved, change the tag 'verification-needed-zesty' to
> 'verification-done-zesty'. If the problem still exists, change the tag
> 'verification-needed-zesty' to 'verification-failed-zesty'.
>
> If verification is not done by 5 working days from today, this fix will be
> dropped from the source code, and this bug will be closed.
>
> See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
> enable and use -proposed. Thank you!

Tested with zesty-proposed kernel (Selected version '4.10.0.33.33' (Ubuntu:17.04/zesty-proposed [ppc64el]) for 'linux-generic') and verified that the problem is solved. Below is the test o/p results:

-----------------------------------Test Results-------------------------------------------------
p8wookie login:
Ubuntu 17.04 p8wookie hvc0

p8wookie login: root
Password:
Last login: Thu Aug 17 03:30:30 CDT 2017 from 9.84.221.193 on pts/0
Welcome to Ubuntu 17.04 (GNU/Linux 4.10.0-33-generic ppc64le)

* Documentation: https://help.ubuntu.com
* Management: https://landscape.canonical.com
* Support: https://ubuntu.com/advantage
root@p8wookie:~#
root@p8wookie:~# uname -a
Linux p8wookie 4.10.0-33-generic #37-Ubuntu SMP Fri Aug 11 10:53:58 UTC 2017 ppc64le ppc64le ppc64le GNU/Linux
root@p8wookie:~#
root@p8wookie:~# dmesg -C
root@p8wookie:~# dmesg
root@p8wookie:~# cd skiboot/external/xscom-utils/
root@p8wookie:~/skiboot/external/xscom-utils# for i in /sys/devices/system/cpu/cpu*/cpuidle/state1/disable; do echo 1 > $i; done
root@p8wookie:~/skiboot/external/xscom-utils# for i in /sys/devices/system/cpu/cpu*/cpuidle/state2/disable; do echo 1 > $i; done
root@p8wookie:~/skiboot/external/xscom-utils# ./putscom -c 00000000 1c013100 0000000000100000
0000000000100008
root@p8wookie:~/skiboot/external/xscom-utils#
root@p8wookie:~/skiboot/external/xscom-utils# dmesg
[ 419.675063] Harmless Hypervisor Maintenance interrupt [Recovered]
[ 419.675066] Error detail: Processor Recovery done
[ 419.675069] HMER: 2040000000000000
[ 419.675072] Harmless Hypervisor Maintenance interrupt [Recovered]
[ 419.675074] Error detail: Processor Recovery done
[ 419.675077] HMER: 2040000000000000
[ 419.675080] Harmless Hypervisor Maintenance interrupt [Recovered]
[ 419.675082] Error detail: Processor Recovery done
[ 419.675084] HMER: 2040000000000000
[ 419.675087] Harmless Hypervisor Maintenance interrupt [Recovered]
[ 419.675089] Error detail: Processor Recovery done
[ 419.675092] HMER: 2040000000000000
[ 419.675094] Harmless Hypervisor Maintenance interrupt [Recovered]
[ 419.675096] Error detail: Processor Recovery done
[ 419.675098] HMER: 2040000000000000
[ 419.675101] Harmless Hypervisor Maintenance interrupt [Recovered]
[ 419.675103] Error detail: Processor Recovery done
[ 419.675105] HMER: 2040000000000000
[ 419.675107] Harmless Hypervisor Maintenance interrupt [Recovered]
[ 419.675109] Error detail: Processor Recovery done
[ 419.675111] HMER: 2040000000000000
[ 419.675113] Harmless Hypervisor Maintenance interrupt [Recovered]
[ 419.675115] Error detail: Processor Recovery done
[ 419.675116] HMER: 2040000000000000
root@p8wookie:~/skiboot/external/xscom-utils#
root@p8wookie:~/skiboot/external/xscom-utils# dmesg -C
root@p8wookie:~/skiboot/external/xscom-utils# ./putscom -c 00000000 1c013281 0003080000000000
0000080000000000
root@p8wookie:~/skiboot/external/xscom-utils# dmesg
[ 896.268510] Severe Hypervisor Maintenance interrupt [Recovered]
[ 896.268513] Error detail: Timer facility experienced an error
[ 896.268515] HMER: 0840000000000000
[ 896.268518] TFMR: 4d12000980a54000
root@p8wookie:~/skiboot/external/xscom-utils# dmesg -C
root@p8wookie:~/skiboot/external/xscom-utils# ./putscom -c 00000001 14013281 0003080000000000
0000080000000000
root@p8wookie:~/skiboot/external/xscom-utils# dmesg
[ 940.755458] Severe Hypervisor Maintenance interrupt [Recovered]
[ 940.755463] Error detail: Timer facility experienced an error
[ 940.755466] HMER: 0840000000000000
[ 940.755468] TFMR: 4d12000980a44000
root@p8wookie:~/skiboot/external/xscom-utils#
-----------------------------------Test Results-------------------------------------------------

Please change the tag 'verification-needed-zesty' to 'verification-done-zesty'.