Re: GCC's -fsplit-stack disturbing Mach's vm_allocate

[Ian Lance Taylor]

On Tue, May 6, 2014 at 4:06 AM, Svante Signell <svante.signell@gmail.com> wrote:
> On Fri, 2014-05-02 at 12:52 +0200, Samuel Thibault wrote:
>> Svante Signell, le Fri 02 May 2014 12:45:56 +0200, a écrit :
>> > On Fri, 2014-05-02 at 12:00 +0200, Samuel Thibault wrote:
>> > > Samuel Thibault, le Fri 02 May 2014 11:57:53 +0200, a écrit :
>> > > > So we just need to fix guardsize in our libpthread.
>> > >
>> > > (And I'll have a look at it).
>> >
>> > Maybe this can fix the around 40 segfaults (of 50 failures) when split
>> > stack is disabled too? The segfaults are always around the same place in
>> > libpthread.
>>
>> Possibly, if libgo uses small stacks already.
>
> Status update:
> For some (yet) unknown reason all libgo tests fails with a segfault when
> run in the build tree: make, sh or something else, the test commands are
> rather hard to track.

You can see the commands being run by running something like
    make GOTESTFLAGS=--trace check-target-libgo

Ian