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

From: Yazen Ghannam <[email-masked]>
Date: Thu, 19 Feb 2026 09:33:45 -0500

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,
Yazen