On Wed, Mar 24, 2021 at 4:37 PM Rafael J. Wysocki wrote:
>
> On Wed, Mar 24, 2021 at 4:23 PM Vitaly Kuznetsov wrote:
> >
> > Commit 496121c02127 ("ACPI: processor: idle: Allow probing on platforms
> > with one ACPI C-state") broke CPU0 hotplug on certain systems, e.g.
> > I'm observing the
On Wed, Mar 24, 2021 at 4:23 PM Vitaly Kuznetsov wrote:
>
> Commit 496121c02127 ("ACPI: processor: idle: Allow probing on platforms
> with one ACPI C-state") broke CPU0 hotplug on certain systems, e.g.
> I'm observing the following on AWS Nitro (e.g r5b.xlarge but other
> instance types are
Commit 496121c02127 ("ACPI: processor: idle: Allow probing on platforms
with one ACPI C-state") broke CPU0 hotplug on certain systems, e.g.
I'm observing the following on AWS Nitro (e.g r5b.xlarge but other
instance types are affected as well):
# echo 0 > /sys/devices/system/cpu/cpu0/online
#
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