[Bug 1753748] Re: Sync golang-golang-x-sys 0.0~git20180224.f6cff07-1 (universe) from Debian unstable (main)

[Anthony Fok]

On Wed, Mar 7, 2018 at 8:05 PM, Michael Hudson-Doyle  
wrote:
> I figured this one out: https://go-review.googlesource.com/c/sys/+/99355.

You are *really* awesome!

> Do you want to care of uploading yet another snapshot to debian
> so I can sync it? Or would you prefer me to?

My pleasure!  golang-golang-x-sys (0.0~git20180308.349b81f-1)
has been uploaded to Debian unstable, see the new sync request at:

https://bugs.launchpad.net/bugs/1754233

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Title:
  Sync golang-golang-x-sys 0.0~git20180224.f6cff07-1 (universe) from
  Debian unstable (main)

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[Bug 1753748] Re: Sync golang-golang-x-sys 0.0~git20180224.f6cff07-1 (universe) from Debian unstable (main)

[Anthony Fok]

> It looks like SetAffinity is broken on arm64 in the new version and
> in fact was probably broken already in
> golang-golang-x-sys/0.0~git20180126.0.ff2a66f-1 ... which was
> the version that added SetAffiinity at all so it's probably always
> been broken... which probably means an upstream bug report...

I think you are right: the SchedSetaffinity stuff was added recently
on 2018-01-05, and here are links to the upstream GitHub issue and
code review:

 * x/sys/unix: add sched_getaffinity/sched_setaffinity
   https://github.com/golang/go/issues/11243

 * unix: add SchedGetaffinity and SchedSetaffinity on Linux
   https://go-review.googlesource.com/c/sys/+/85915

> Actually I'm very very confused by this.
> I can't reproduce it on the porter box, maybe it
> only happens in a VM (which is what the autopkgtest run in)
> for some reason. If you have access to a vm on arm64 ...

Unfortunately, I don't have access to a VM on arm64 either...
or perhaps I could follow https://wiki.ubuntu.com/ARM64/QEMU
and see if it can be reproduced with qemu-system-aarch64
running on my x86 (amd64) host?  :-D

Anyhow, I'll collect more information and file an upstream bug soon.

** Bug watch added: github.com/golang/go/issues #11243
   https://github.com/golang/go/issues/11243

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Title:
  Sync golang-golang-x-sys 0.0~git20180224.f6cff07-1 (universe) from
  Debian unstable (main)

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[Bug 1753748] Re: Sync golang-golang-x-sys 0.0~git20180224.f6cff07-1 (universe) from Debian unstable (main)

[Anthony Fok]

** Summary changed:

- FFe: Sync golang-golang-x-sys 0.0~git20180224.f6cff07-1 (universe) from 
Debian unstable (main)
+ Sync golang-golang-x-sys 0.0~git20180224.f6cff07-1 (universe) from Debian 
unstable (main)

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https://bugs.launchpad.net/bugs/1753748

Title:
  Sync golang-golang-x-sys 0.0~git20180224.f6cff07-1 (universe) from
  Debian unstable (main)

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