Re: gcc-12/mips64el FTBFS during sbuild chown

On Fri, Oct 28, 2022 at 2:05 PM Aurelien Jarno <[email protected]> wrote:
>
> On 2022-10-28 08:59, Adrian Bunk wrote:
> > On Thu, Oct 27, 2022 at 07:50:17PM +0800, YunQiang Su wrote:
> > > YunQiang Su <[email protected]> 于2022年10月26日周三 01:56写道：
> > > >
> > > > Adrian Bunk <[email protected]> 于2022年10月25日周二 21:50写道：
> > > > >
> > > > > https://buildd.debian.org/status/logs.php?pkg=gcc-12&arch=mips64el
> > > > >
> > > > > ...
> > > > > Finished
> > > > > --------
> > > > >
> > > > > I: Built successfully
> > > > > chmod: cannot access '/<<PKGBUILDDIR>>/build/mips64el-linux-gnuabi64/libstdc++-v3/testsuite/normal3/filesystem-test.FSLTZS-last_write_time': Value too large for defined data type
> > > > > chmod: cannot access '/<<PKGBUILDDIR>>/build/mips64el-linux-gnuabi64/libstdc++-v3/testsuite/normal2/filesystem-test.5zDnmX-last_write_time': Value too large for defined data type
> > >
> > > I cannot reproduce this problem on my local machines.
> > > Can you help to try to reproduce this problem on buildd nodes?
> > >...
> >
> > Not from me, if I had a way to reproduce I would have debugged further
> > from that.
>
> I have been able to reproduce by building gcc-12 on the eller.d.o
> porterbox. It can be reduced to this simple test:
>
> (sid_mips64el-dchroot)aurel32@eller:~$ touch -d 20390101 t
> (sid_mips64el-dchroot)aurel32@eller:~$ chmod +x t
> chmod: cannot access 't': Value too large for defined data type
> (sid_mips64el-dchroot)aurel32@eller:~$
>
> It seems related to the y2038 support in either coreutils or glibc.

There's a thread going on over at debian-arm that might provide some
insight: https://lists.debian.org/debian-arm/2022/10/msg00020.html . I
don't think it will be helpful to fix this problem, however.

Jeff