Messages in this thread | | | From | Oleksandr Natalenko <> | Subject | Re: [PATCH v9 0/8] Parallel CPU bringup for x86_64 | Date | Mon, 20 Feb 2023 17:40:05 +0100 |
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Hello.
Thank you for your reply.
On pondělí 20. února 2023 17:20:13 CET David Woodhouse wrote: > On Mon, 2023-02-20 at 17:08 +0100, Oleksandr Natalenko wrote: > > > > I've applied this to the v6.2 kernel, and suspend/resume broke on my > > Ryzen 5950X desktop. The machine suspends just fine, but on resume > > the screen stays blank, and there's no visible disk I/O. > > > > Reverting the series brings suspend/resume back to working state. > > Hm, thanks. What if you add 'no_parallel_bringup' on the command line?
If the `no_parallel_bringup` param is added, the suspend/resume works.
> Is that using X2APIC?
Probably?
``` $ dmesg | grep -i x2apic [ 0.632740] x2apic: IRQ remapping doesn't support X2APIC mode ```
> If so, what about 'nox2apic' on the command line?
If `no_parallel_bringup` is removed and `nox2apic` is added, then the `x2apic: …` stuff disappears from dmesg, but suspend/resume remains broken.
-- Oleksandr Natalenko (post-factum)
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