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

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Message-ID: <7ed99822-9d63-4c6c-a492-d4820abebe18@linux.vnet.ibm.com>
Date: Fri, 28 Feb 2025 11:52:26 +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: Re: [linux-ppc]Memory Hotpulg self test is failing

Attaching the dmesg logs.

On 28/02/25 11:49 am, Venkat Rao Bagalkote wrote:
> 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.
>
View attachment "ppc_upstream_mem_hotplug.txt" of type "text/plain" (52794 bytes)