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BIOS update from Lenovo for Meltdown / Sceptre

T400/410/420 and T500/510/520 series specific matters only
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njkmohan
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BIOS update from Lenovo for Meltdown / Sceptre

#1 Post by njkmohan » Thu Jan 11, 2018 12:43 pm

With the prospect of Lenovo packaging the patched Intel microcode in a BIOS update for the T410/420 series. What options are we left with? - https://support.lenovo.com/us/en/solutions/len-18282

1. Wait for Microsoft to send it through Windows Update?
2. Use the VMWare Microcode updater - https://labs.vmware.com/flings/vmware-c ... ate-driver

Anything else?

ThinkRob
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Re: BIOS update from Lenovo for Meltdown / Sceptre

#2 Post by ThinkRob » Mon Jan 22, 2018 12:39 am

If you're using Linux, you can always load microcode from userspace. I know Fedora packages microcode updates via the usual mechanism. Not sure about other distros (or, for that matter, other OSs. Maybe Windows and the BSDs support this somehow?)

The benefit of this is that you're not dependent on Lenovo to get your update. The downside is that you'll need to either use a distro/OS that supports this, plus you'll need the distro to provide the updates (or wire up the on-boot service yourself.)

That's what I do since I don't run the stock BIOS. Works great!
Need help with Linux or FreeBSD? Catch me on IRC: I'm ThinkRob on FreeNode and EFnet.

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Current laptop: X270, running Fedora
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axur-delmeria
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Re: BIOS update from Lenovo for Meltdown / Sceptre

#3 Post by axur-delmeria » Mon Jan 22, 2018 1:06 am

Debian also has microcode updates, but you have to add the non-free branch first.

Intel's 2018-01-08 update is only available on sid (unstable) and buster (testing), but that's expected as there are lots of issues with it.
Daily driver: X220 4291-C91 i7-2620M

Backup: X220 4291-P79 i5-2520M
Toy: X60F Core Solo U1300
In pieces: two retired but working X61Ts
RIP: 760XD 9546-U9E; X61 7676-A24; and a BOE-Hydis HV121P01-100 in failed SXGA+ mod
:cry:

ThinkRob
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Re: BIOS update from Lenovo for Meltdown / Sceptre

#4 Post by ThinkRob » Fri Jan 26, 2018 9:30 pm

axur-delmeria wrote:
Mon Jan 22, 2018 1:06 am
but that's expected as there are lots of issues with it.
Boy ain't that the truth. It really seems like Intel has been caught totally off guard here, and the first patches seem to be half-[censored] at best. I mean, I'm sure they work in the sense of closing the hole, but from what I've read there are some serious stability and performance issues involved.

Not a fun time to run anything Intel. :evil:
Need help with Linux or FreeBSD? Catch me on IRC: I'm ThinkRob on FreeNode and EFnet.

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Current laptop: X270, running Fedora
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RealBlackStuff
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Re: BIOS update from Lenovo for Meltdown / Sceptre

#5 Post by RealBlackStuff » Sun Jan 28, 2018 5:36 am

My PC with an AMD Phenom II X2 555 Black Edition CPU from 2010, running W7-Pro/SP1-x64 does not show any signs of slowing down after applying (only) M$ KB4073578 for AMD x64.
https://www.catalog.update.microsoft.co ... =KB4073578

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