[News] Microsoft Halts Meltdown-Spectre Patches to AMD PCs as Some Turn Unbootable

[StyM]

https://www.techpowerup.com/240436/m...urn-unbootable

Microsoft late-Monday halted Meltdown and Spectre security patches to machines running AMD processors, as complaints of machines turning unbootable piled up. Apparently the latest KB4056892 (2018-01) Cumulative Update causes machines with AMD processors (well, chipsets) to refuse to boot. Microsoft has halted distributing patches to PCs running AMD processors, and issued a statement on the matter. In this statement, Microsoft blames AMD for not supplying its engineers with the right documentation to develop their patches (while absolving itself of any blame for not testing its patches on actual AMD-powered machines before releasing them).

"Microsoft has reports of customers with some AMD devices getting into an unbootable state after installing recent Windows operating system security updates," said Microsoft in its statement. "After investigating, Microsoft has determined that some AMD chipsets do not conform to the documentation previously provided to Microsoft to develop the Windows operating system mitigations to protect against the chipset vulnerabilities known as Spectre and Meltdown," it added. Microsoft is working with AMD to re-develop, test, and release security updates, on the double.

[drmrlordx]

Looks like MS needs to get some old AM2+ hardware off eBay, stat.

[Sparky]

We didn't test this at all!

Derp.

[iddqd]

Didn't they threaten to stop delivering microcode updates to older CPUs? I can't install the fall creator's update on a Phenom II machine, for example - the new microcode makes them not work.
(you can still get it to work if you go into safe mode and manually roll back the microcode file)