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Comment: Re:Poor Mattthew Garrett (Score 5, Informative) 88

by mjg59 (#45026327) Attached to: Ex-Red Hat Employee Matthew Garrett Comments On the State of XMir

I stopped working on Ubuntu because decisions were increasingly being made internally rather than anywhere that volunteer contributors could influence them. The "Click here to instantly break your mouse" thing was just the final straw. There's a component to the story that involves beer and a hilarious reply vs. reply all error on an iPhone, but I don't remember it being about anyone siding with Scott - there's a picture somewhere of me deactivating my Ubuntu membership a few minutes after sending https://lists.ubuntu.com/archives/ubuntu-devel/2008-February/025141.html , which hardly gave them time to.

Comment: Re:Not even a brick, not a story (Score 5, Informative) 215

by mjg59 (#42846351) Attached to: Samsung Laptop Bug Is Not Linux Specific

Removing the CMOS battery didn't recover this system, which is pretty much what I'd expect - UEFI variables are typically stored in the same hardware as the firmware itself, and unplugging batteries doesn't kill your firmware.

The system doesn't fail to boot. The system doesn't even complete its power-on self checks. The screen is never turned on. It never responds to keyboard input. It's bricked. This machine's not coming back to life without an SPI programmer.

Comment: Re:Conceptually.. (Score 5, Insightful) 196

by mjg59 (#42722001) Attached to: New Secure Boot Patches Break Hibernation

The kernel can execute ring 0 instructions. Your initrd can't. The difference is that you could construct an appropriately modified hibernation image that booted an arbitrary kernel - or even an entirely separate OS. In that scenario, your kernel is effectively a new bootloader, except unlike the signed bootloaders it'll happily boot an entirely unsigned OS. That's unlikely to end well.

But, conceptually, you're right. Secure Boot doesn't magically make a system secure, but it *is* a vital part of system security - if you can't trust your kernel, any other security you attempt to build is pretty much pointless.

"If truth is beauty, how come no one has their hair done in the library?" -- Lily Tomlin

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