We saw some really bad Intel CPU bugs in 2015, and we should expect to see more in the future: http://danluu.com/cpu-bugs/
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Considering how urgently a major change (page table isolation) is being fast-tracked into the Linux kernel, both development and stable, it is almost certain there's a serious bug out.
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Sounds related to https://lwn.net/SubscriberLink/741878/eb6c9d3913d7cb2b/ …
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I assume is likely related to thishttps://twitter.com/brainsmoke/status/946548344498909184 …
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More here: https://gruss.cc/files/kaiser.pdf … Information leakage via side channels that weakens kaslr is one thing but I’m assuming this has to be something worse: either an overt leak or ability to modify kernel mappings better than rowhammer
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I wonder if it’s related to the early January AWS instance reboots I was notified about a few weeks ago. Could be a red herring, or afflicted hardware that needs a new hypervisor...
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I swear I've seen multiple Windows 10 machines slow down considerably in the last few months.
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