Bug#960674: golang-go: "fatal error: gc_trigger underflow" on mipsel

On Sat, May 16, 2020 at 1:46 AM Shengjing Zhu <[email protected]> wrote:
>
> On Fri, May 15, 2020 at 6:03 PM Sascha Steinbiss <[email protected]> wrote:
> >
> > Package: golang-go
> > Version: 2:1.14~1
> > Severity: important
> >
> > Dear Maintainer,
> >
> > the current go binary crashes on mipsel when running non-trivial calls
> > (a trivial call would be like 'go version', which succeeds) with the message
> > 'fatal error: gc_trigger underflow'. Here's an example from the mipsel
>
> I can confirm the go compiler is broken on mipsel currently.
> An simple go source, like
>
> ````
> $ cat test.go
> package main
>
> func main() {}
> ```
>
> Then `go build test.go` will trigger the fault.
>
> Looking at the buildd logs, it worked on 2020/4/26,
> https://buildd.debian.org/status/package.php?p=runc
>
> I suspect it's because the kernel is upgraded from 4.19.98-1 to 4.19.118-2.
>

FTR, after giving back golang-1.14 mipsel several times, it's finally
built, by a longson builder.
So I guess it only occurs on octeon. Since the porterbox eller is also
octeon, it also can't build any go program.