[FSL P50x0] lscpu reports wrong values since the RC1 of kernel 5.13
srikar at linux.vnet.ibm.com
Thu Aug 26 13:43:10 AEST 2021
* Christian Zigotzky <chzigotzky at xenosoft.de> [2021-08-16 14:29:21]:
> I tested the RC6 of kernel 5.14 today and unfortunately the issue still
> exists. We have figured out that only P5040 SoCs are affected. 
> P5020 SoCs display the correct values.
> Please check the CPU changes in the PowerPC updates 5.13-1 and 5.13-2.
Thanks for reporting the issue.
Would it be possible to try
If the above patch is not helping, then can you please collect the output of
Were all the CPUs online at the time of boot?
Did we do any CPU online/offline operations post boot?
If we did CPU online/offline, can you capture the output just after the
boot along with lscpu output..
Since this is being seen on few SOCs, can you summarize the difference
between P5040 and P5020.
>  https://forum.hyperion-entertainment.com/viewtopic.php?p=53775#p53775
> On 09 August 2021 um 02:37 pm, Christian Zigotzky wrote:
> > Hi All,
> > Lscpu reports wrong values  since the RC1 of kernel 5.13 on my FSL
> > P5040 Cyrus+ board (A-EON AmigaOne X5000). 
> > The differences are:
> > Since the RC1 of kernel 5.13 (wrong values):
> > Core(s) per socket: 1
> > Socket(s): 3
I know that the socket count was off by 1, but I cant explain how its off by
> > Before (correct values):
> > Core(s) per socket: 4
> > Socket(s): 1
Thanks and Regards
More information about the Linuxppc-dev