Re: [patch 00/37] cpu/hotplug, x86: Reworked parallel CPU bringup

Thomas Gleixner
2023-04-17T14:48:43Z

Paul!

On Mon, Apr 17 2023 at 13:19, Paul Menzel wrote:
> Am 15.04.23 um 01:44 schrieb Thomas Gleixner:
> [ 0.258193] smpboot: CPU0: AMD A6-6400K APU with Radeon(tm) HD
> Graphics (family: 0x15, model: 0x13, stepping: 0x1)
> […]
> [ 0.259329] smp: Bringing up secondary CPUs ...
> [ 0.259527] x86: Booting SMP configuration:
> [ 0.259528] .... node #0, CPUs: #1
> [ 0.261007] After schedule_preempt_disabled
> [ 10.260990] CPU1 failed to report alive state

Weird. CPU1 fails to come up and report that it has reached the
synchronization point.

Does it work when you add cpuhp.parallel=off on the kernel command line?

Thanks,

tglx