Fair warning: Removing MCA

[Warner Losh]

On Wed, Feb 1, 2017 at 12:25 AM, Sergey V. Dyatko
<sergey.dyatko at gmail.com> wrote:
> On Tue, 31 Jan 2017 16:46:58 -0700
> Warner Losh <imp at bsdimp.com> wrote:
>
>> I plan on removing the MCA bus support on or around Feb 15th. Please
>> let me know if you are running any of these devices on FreeBSD 10 or
>> newer.
>>
>> Warner
>
> Good day,
>
> now I see messages like
>
> Jan 26 17:52:28 st7 kernel: MCA: Bank 7, Status 0xcc0004c000010091
> Jan 26 17:52:28 st7 kernel: MCA: Global Cap 0x0000000007000c16, Status
> 0x0000000000000000 Jan 26 17:52:28 st7 kernel: MCA: Vendor "GenuineIntel", ID
> 0x306f2, APIC ID 0 Jan 26 17:52:28 st7 kernel: MCA: CPU 0 COR (19) OVER RD
> channel 1 memory error Jan 26 17:52:28 st7 kernel: MCA: Address 0x2e455cf700
> Jan 26 17:52:28 st7 kernel: MCA: Misc 0x152161686
> Jan 26 17:52:28 st7 kernel: MCA: Bank 10, Status 0xcc000d43000800c1
> Jan 26 17:52:28 st7 kernel: MCA: Global Cap 0x0000000007000c16, Status
> 0x0000000000000000 Jan 26 17:52:28 st7 kernel: MCA: Vendor "GenuineIntel", ID
> 0x306f2, APIC ID 0 Jan 26 17:52:28 st7 kernel: MCA: CPU 0 COR (53) OVER MS
> channel 1 memory error Jan 26 17:52:28 st7 kernel: MCA: Address 0x2e455cf640
> Jan 26 17:52:28 st7 kernel: MCA: Misc 0x2439e2002200068c
>
> this messages are dissapered after ~ Feb, 15 ? If "yes" how do I know
> that a problem exists ?

This is a different MCA. That's Machine Check Architecture. I'm not
messing with that at all....

I'm talking about Micro Channel Architecture cards from the old ps/1
and ps/2 machines.

Warner