[Kernel-packages] [Bug 1727662]

I was experiencing the same issue with a ThinkPad 25 (which is almost the same thing as T470) and I implemented these precautions as a workaround: - disable DPMS when docked and external monitors enabled - never switch VTs with external monitors enabled - always disable external monitors before su

[Kernel-packages] [Bug 1626436] Re: [4.8 regression] boot has become very slow

So I did a little bisecting today on mainline x86_64 kernels with CONFIG_SLUB: v4.4 Startup finished in 2.718s (kernel) + 11.831s (userspace) = 14.549s v4.5 Startup finished in 2.707s (kernel) + 12.777s (userspace) = 15.484s v4.6-rc4-1018-g5a5f0792

[Kernel-packages] [Bug 1626436] Re: [4.8 regression] boot has become very slow

Are you guys aware of any other patches that went to mainline and may affect this? I've been hit by this issue since 4.6/4.7-ish days and can still reproduce it with 4.9.7. The two patches do help, but it's far from perfect: 4.9.7: Startup finished in 3.498s (kernel) + 20.462s (userspace) = 23.961