linux-kernel - [linux-ppc]Memory Hotpulg self test is failing

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Message-ID: <ed12ee41-5b7c-496d-801f-8c7e3699ab31@linux.vnet.ibm.com>
Date: Fri, 28 Feb 2025 11:49:18 +0530
From: Venkat Rao Bagalkote <venkat88@...ux.vnet.ibm.com>
To: linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        Michael Ellerman <mpe@...erman.id.au>, maddy@...ux.ibm.com
Subject: [linux-ppc]Memory Hotpulg self test is failing

Greetings!!


I am seeing memory hot plug self test is failing on power-pc kernel on 
IBM P11 system.

Kernel Version: 6.14.0-rc4-g09a81ff40389

Logs:

[stdlog] TAP version 13
[stdlog] 1..1
[stdlog] # timeout set to 45
[stdlog] # selftests: memory-hotplug: mem-on-off-test.sh
[stdlog] # Test scope: 2% hotplug memory
[stdlog] #    online all hot-pluggable memory in offline state:
[stdlog] #        SKIPPED - no hot-pluggable memory in offline state
[stdlog] #    offline 2% hot-pluggable memory in online state
[stdlog] #    trying to offline 2 out of 60 memory block(s):
[stdlog] # online->offline memory0
[stdlog] # -> Failure
[stdlog] # online->offline memory1
[stdlog] # -> Failure
[stdlog] # online->offline memory10
[stdlog] # -> Success
[stdlog] # online->offline memory11
[stdlog] #
[stdlog] not ok 1 selftests: memory-hotplug: mem-on-off-test.sh # 
TIMEOUT 45 seconds


Unfortunately I do have previous passed data, hence git bisect is not done.


If you happen to fix this issue, please add below tag.


Reported-by: Venkat Rao Bagalkote <venkat88@...ux.vnet.ibm.com>


Regards,

Venkat.