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Re: ThinkPad - suspend-to-RAM intel-x86 issues and tests

On 2018/12/06 0:22, David Brownlee wrote:
On Sat, 1 Dec 2018 at 01:27, SAITOH Masanobu <> wrote:


Hi - is this worth pulling up into netbsd-8?

Of course yes!

I ran a quick test and my T420s suspends/resumes fine with a netbsd-8
kernel and no X11 running. x11 looks to have issues which seem
resolved in current, but it feels like a worthwhile fix to have in -8.

It needed two other small changes pulled up (git hashes from
# 5fca1fb34425590e514f0d745f936998fded9c18 PCIE_HAS_LINKREGS
# 3fe2d92356e154aef689fc05111ac422c89c0785 PCIE_HAS_ROOTREGS

The above two changes were pulled up two days ago.

# 2e6fa7a8bbdd4df652e4cfb605385ff915176cbe suspend/resume

I'll send the pullup request today.

Sample kernel at
if anyone wants to give it a quick go.

(Many thanks again to msaitoh@ for all the work in analysing and

You're welcome and thank you. If your didn't find the MSI's change,
we couldn't fix this problem.

fixing this - its really nice to have some fully functional
suspend/resume use cases (eg :T420s with external mouse :)


                SAITOH Masanobu (

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