Re: spurious (?) mce Hardware Error messages in v6.19

[Bert Karwatzki]

Am Freitag, dem 20.02.2026 um 10:49 -0600 schrieb Mario Limonciello:
> 
> On 2/19/2026 9:43 AM, Bert Karwatzki wrote:
> > Am Donnerstag, dem 19.02.2026 um 09:33 -0500 schrieb Yazen Ghannam:
> > > On Mon, Feb 16, 2026 at 03:25:46PM -0500, Yazen Ghannam wrote:
> > > > On Thu, Feb 12, 2026 at 01:50:05PM +0100, Bert Karwatzki wrote:
> > > 
> > > [...]
> > > 
> > > > > 
> > > > > 2026-02-10T16:15:01.001203+01:00 lisa kernel: [    C0] smca_should_log_poll_error: 1
> > > > > 2026-02-10T16:15:01.001815+01:00 lisa kernel: [T45426] mce: [Hardware Error]: Machine check events logged
> > > > > 2026-02-10T16:15:01.001818+01:00 lisa kernel: [T45426] [Hardware Error]: Deferred error, no action required.
> > > > > 2026-02-10T16:15:01.001819+01:00 lisa kernel: [T45426] [Hardware Error]: CPU:0 (19:50:0) MC14_STATUS[-|-|-|AddrV|PCC|-|-|Deferred|-|-]: 0x8700900800000000
> > > 
> > > Hi Bert,
> > > 
> > > The CPU stepping indicates that this isn't a production model.
> > > 
> > > Can you please share more info on your system? Is it a production laptop
> > > or a pre-production sample?
> > > 
> > > Thanks,
> > > Yazenit
> > 
> > As far as I know is a production Laptop, a MSI Alpha 15 B5EEK/MS-158L model with
> > bios version "BIOS E158LAMS.10F 11/11/2024" (the newest version available at
> > https://de.msi.com/Laptop/Alpha-15-B5EX/support?sku_id=89840) and without
> > preinstalled Windows which I bought in December 2021 at www.alternate.de (a shop
> > which MSI lists as a "trusted partner": https://de.msi.com/service/bzq)
> > 
> > Bert Karwatzki
> 
> Do you know if it was purchased "right around" when it launched?  I'm 
> wondering if it's possible they used pre-production parts for some 
> reason with their initial systems.
> 
> The reason for this line of inquiry is if this is what we would have 
> considered pre-production silicon, it might be more appropriate to flag 
> the CPU accordingly and ignore these MCEs.

Yes, I bought right when it became available.

Bert Karwatzki