[Bug 103351] Machine check exception on Broadwell quad-core with SpeedStep enabled

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=103351

--- Comment #26 from matthew.dewitt@gmail.com ---
Can someone post a link to clear instructions on the microcode update with
5700HQ, so folks who haven't done this before can get it resolved? Thanks!

On Wed, Sep 30, 2015 at 1:43 AM, <bugzilla-daemon@bugzilla.kernel.org>
wrote:

> https://bugzilla.kernel.org/show_bug.cgi?id=103351
>
> --- Comment #25 from kernel@benjam.info <kernel@benjam.info> ---
> I wrote a hacky script to extract microcode updates from binary blobs a few
> days ago. Here's what I was able to pull out of one of the MSI updates in
> question: http://benjam.info/downloads/5700hq-ucode.tar.gz
>
> It obviously doesn't contain any updates for the 5675C or 5775C, but if
> someone
> has the 5700HQ on a non-MSI machine, they should be able to install the
> updates
> from that tarfile using iucode-tool, and hopefully it will work.
>
> Installing microcode updates from arbitrary binaries should be pretty safe,
> since they're cryptographically verified by the processor and updates are
> reverted upon reboot.
>
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