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Microsoft disables Spectre mitigations as Intel’s patches cause instability

securityweek.com

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Re: Microsoft disables Spectre mitigations as Intel’s patches cause instability

#311

Post by michaelmrose »

krinchan wrote: post #308
mehrdadn wrote: post #263

Earlier quoted context omitted.

> If you have to upgrade a GUI app, or a tool that depends on some bastardized unholy subsystem designed to "secure desktop sessions", that may very well require relinquishing the session and restarting it. If you have to upgrade a tool used by your desktop (and if you have a complex desktop, that is literally thousands of programs), it's the same story, though you may even need to restart your desktop session manage…

I've long since abandoned "bare metal" Linux in favor of VirtualBox and Windows for my home machine and VirtualBox and macOS on my laptop. Monday's I merge last week's snapshot, take a new one, and run all my updates. Then I do my dev work in my VM. Before I head out on trips, I just ship the entire machine over the network to my MacBook Pro. This is mostly because have you literally ever tried to install any Linux o…

How about just buy stuff that's well supported if you intend to use Linux on it. Been working for me since 2003.

Re: Microsoft disables Spectre mitigations as Intel’s patches cause instability

#313

Post by mosselman »

chrisper wrote: post #154
mosselman wrote: post #112

So what can I do for my next self-built pc? Get some AMD equipment, or is that not enough?

Depends on what you are building it for.

I have my macbook for work and programming, my PC has windows on it (much to my dislike) and I use it for occasional gaming. I will probably not get new parts anytime soon though as performance is currently fine. Just wondering for when someone asks me to build them a PC.

Re: Microsoft disables Spectre mitigations as Intel’s patches cause instability

#314

Post by chrisper »

mosselman wrote: post #313
chrisper wrote: post #154

Earlier quoted context omitted.

Depends on what you are building it for.

I have my macbook for work and programming, my PC has windows on it (much to my dislike) and I use it for occasional gaming. I will probably not get new parts anytime soon though as performance is currently fine. Just wondering for when someone asks me to build them a PC.

Well, I built my PC with gaming in mind and chose the i7 8700k. But I got it a week before the spectre/meltdown spectacle. I decided to keep it because of its superior singlecore performance.

Re: Microsoft disables Spectre mitigations as Intel’s patches cause instability

#315

Post by cm2187 »

dang wrote: post #278
akerro wrote: post #181

Earlier quoted context omitted.

UTTER GARBAGE

Please don't. https://news.ycombinator.com/newsguidelines.html

It’s ironic that for all the praises Linus gets on HN, he would have been banned within minutes by these guidelines.

Re: Microsoft disables Spectre mitigations as Intel’s patches cause instability

#317

Post by cesarb »

cesarb wrote: post #178
Valmar wrote: post #133

Earlier quoted context omitted.

> In a related development, there are proposed patches to the Linux kernel (not yet merged) to blacklist the broken microcode updates Linus probably won't pull it until it's truly known to be stable, because of his attitude towards having decent quality code and not causing needless system instability. Without Linus... who knows what would have happened by now.

They are on the "tip" tree ( https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/... ), so they'll probably be sent to Linus as soon as the merge window opens (Linux 4.15 has just been released, so the merge window should open soon). I expect these patches to be on 4.16, and also to be backported to the stable releases (4.15.x and others). But yeah, upstream Linux kernel development is taking it slow. As far…

Update: the merge window has started, and that blacklist has just been merged: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/lin...

Re: Microsoft disables Spectre mitigations as Intel’s patches cause instability

#318

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Re: Microsoft disables Spectre mitigations as Intel’s patches cause instability

#319

Post by StudentStuff »

peterwwillis wrote: post #281
StudentStuff wrote: post #276

Earlier quoted context omitted.

Maybe its time to consider an OS with better maintainers, like Debian. I've had less issues on unstable/sid over the past few years than I had on the last Ubuntu LTS release (which was what spurred me to Debian). On my other machine, Debian Stretch (and Jessie prior to upgrading) have treated me well, there just isn't breakage when upgrading to the latest stable release or when applying security patches.

I chose Ubuntu because it was more widely supported by 3rd party software vendors and support companies than Debian. But this doesn't matter, because I still ran into hardware and software compatibility issues, and Ubuntu is more up to date than Debian, meaning Debian would have been even more broken by default. I don't know of a single Linux distro that works out of the box with my laptops. Maybe if I bought a $2,00…

I had very similar reasons for starting with Ubuntu, but when it came right down to it, all the software that I thought would only work on Ubuntu works just fine on Debian.

Hardware support wise, newer kernels generally come to Debian sooner too, as the latest stable kernel generally gets into Sid a week or so after release, then added to backports for Debian Stable after a few weeks. Currently you can nab 4.14 from backports on Debian Stable, and 4.15 should be coming down the pike shortly (seeing as its just a few days old).

Re: Microsoft disables Spectre mitigations as Intel’s patches cause instability

#320

Post by kworker »

rlpb wrote: post #109
mehrdadn wrote: post #82

Earlier quoted context omitted.

Aaaaaand here comes the Linux defending! OK... > But keep in mind that if your system can't cope with this what you've done there is engineer in unreliability It's weird that you're blaming my operating system's problems on me . "My system" is something a ton of other people wrote, and this is the case for pretty much every user of every OS. I'm not engineering anything into (or out of) my system so I don't get the "…

> ...but it happens more often than I would like that I update Linux (Ubuntu) and, lo and behold, I can't really use any programs until I reboot... Ubuntu developer here. This doesn't happen to me in practice. Most updates don't cause system instability. I rarely reboot. Firefox is the most noticeable thing. After updating Firefox (usually it's a security update), Firefox often starts misbehaving until restarted. But…

FF usually just CTD after an update.
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