Messages in this thread |  | | From | Laura Nao <> | | Subject | Re: [REGRESSION] mainline boot regression on AMD Stoney Ridge Chromebooks | | Date | Mon, 8 Apr 2024 13:06:05 +0200 |
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Hi Thomas,
On 4/8/24 10:20, Thomas Gleixner wrote: > Laura! > > On Fri, Apr 05 2024 at 16:59, Thomas Gleixner wrote: >> On Fri, Apr 05 2024 at 15:58, Laura Nao wrote: >>> On 4/5/24 15:38, Thomas Gleixner wrote: >>>> >>>> Can you please boot a working kernel and provide the output of: >>>> >>>> # rdmsr 0xc0011005 >>> >>> # rdmsr 0xc0011005 >>> 2fabbfff2fd3fbff >> >> Ok. So the CPU does not advertise FEATURE_TOPOEXT which is consistent >> with CPUID. >> >> Now I'm even more puzzled because then the patch I gave you should make >> a difference. I need to run some errands now, I will provide a debug >> patch later this evening. > > Hmm. No real good idea yet. > > Can you please checkout > > c749ce393b8f ("x86/cpu: Use common topology code for AMD") > > and apply the patch further up in the thread and see whether that > boots. We'll take it from there. >
Just tried that and it doesn't boot, nothing on the serial console (I kept earlyprintk=ttyS0,115200 in the cmdline).
Test job for reference: https://lava.collabora.dev/scheduler/job/13297561
Thanks,
Laura
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