--- Comment From boqun.f...@cn.ibm.com 2017-02-06 03:07 EDT---
(In reply to comment #71)
> Hi,
>
> Ran runltp on 17.04, and ended up with continuous call traces on console.
>
> ---uname output---
> Linux ltc-garri1 4.9.0-15-generic #16-Ubuntu SMP Fri Jan 20 15:28:49 UTC
> 2017 ppc64le
--- Comment From poojabsu...@in.ibm.com 2017-02-06 01:36 EDT---
Hi,
Ran runltp on 17.04, and ended up with continuous call traces on
console.
---uname output---
Linux ltc-garri1 4.9.0-15-generic #16-Ubuntu SMP Fri Jan 20 15:28:49 UTC 2017
ppc64le ppc64le ppc64le GNU/Linux
---Call
--- Comment From ckuma...@in.ibm.com 2016-10-06 01:24 EDT---
Externalizing comment 61 and 62
-
The Same test is causing problem in ubuntu kernel version 4.8.0-17-generic.
Got below call traces:
[48755.933755] 112-...: (2 ticks this GP) idle=b95/140/0
softirq=11738/11738
--- Comment From ckuma...@in.ibm.com 2016-05-30 01:57 EDT---
(In reply to comment #52)
> I'll try to reproduce the bug, so we can perform a reverse bisect and
> identify the fix for this bug.
>
> Does this bug only happen on ppc64le? According to comment #31, this may
> also be happening
--- Comment From pavsu...@in.ibm.com 2016-04-19 01:25 EDT---
I don't have any machine currently for repeatedly testing with different
upstream kernels as and when they are released.
Since the test steps are quite simple and straight forward, I think it would be
better to re-create the
--- Comment From pavsu...@in.ibm.com 2016-04-06 07:38 EDT---
I have installed the 4.6-rc1 test kernel and executed the tests on a Bare Metal
Open Power Hardware.
I could not see the NMI softlockup call traces occurring.
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--- Comment From pavsu...@in.ibm.com 2016-01-16 05:05 EDT---
I have copied lock_torture script on to the P8 server with the 3.13 kernel
installed.
Then executed the test script again in-order to re-create the scenario.
root@powerkvmpok002:/opt/ltp/testcases/bin# ./lock_torture.sh
--- Comment From pavsu...@in.ibm.com 2016-01-11 01:01 EDT---
I have installed 3.18 kernel provided in the link:
https://launchpad.net/ubuntu/+source/linux/3.18.0-8.9/+build/6690705
root@powerkvmpok002:~/6690705# dpkg -i
linux-image-3.18.0-8-generic_3.18.0-8.9_ppc64el.deb
Selecting
--- Comment From pavsu...@in.ibm.com 2016-01-08 08:03 EDT---
I have installed the proposed kernel which you have mentioned on the P8
Hardware.
root@powerkvmpok002:~/5613571# dpkg -i
linux-image-3.13.0-10-generic_3.13.0-10.30_ppc64el.deb
Selecting previously unselected package
--- Comment From cha...@us.ibm.com 2016-01-05 17:08 EDT---
Re-posting most recent comment so Canonical can see it:
Similar behaviour is observed in ubuntu 14.04.4 testing.
runltp test execution stopped after executing rcu_torture test
Fllowing Call trace is observed in "dmesg" output
--- Comment From pavsu...@in.ibm.com 2015-12-11 08:36 EDT---
I have downloaded the test kernel as suggested and executed the scenario again.
root@powerkvmpok002:~/lp1483343# dpkg -i
linux-image-3.19.0-41-generic_3.19.0-41.46~14.04.2_ppc64el.deb
Selecting previously unselected package
--- Comment From pavsu...@in.ibm.com 2015-12-10 08:00 EDT---
I have installed Ubuntu 14.04.3 ISO on PowerNV 8284-22A P8 Hardware.
Then executed the LTP lock_torture tests again on the same.
root@powerkvmpok002:~# uname -a
Linux powerkvmpok002 3.19.0-39-generic #44~14.04.1-Ubuntu SMP Wed
--- Comment From pavsu...@in.ibm.com 2015-12-11 06:16 EDT---
I have downloaded the mainline wily kernel as suggested and executed the
scenario again.
root@powerkvmpok002:~/mainline# wget
--- Comment From pavsu...@in.ibm.com 2015-08-11 10:13 EDT---
I have installed this kernel on a Power NV Hardware which is installed with
Ubuntu 14.04.3.
Then executed the tests again on the same OS.
root@p7pite26os:~# uname -a
Linux p7pite26os 3.19.0-26-generic #27 SMP Mon Aug 10
--- Comment From cha...@us.ibm.com 2015-08-11 16:52 EDT---
(In reply to comment #18)
Created attachment 100943 [details]
dmesg logs are attached when tests are done with new kernel provided
So does the system lockup as before? Also, the dmesg attached doesn't
show any softlockups.
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