Re: [v2 4/4] valgrind: disable 256 ptests for aarch64

[Adrian Bunk <bunk@stusta.de>]

On Wed, Sep 11, 2019 at 09:38:53AM -0400, Randy MacLeod wrote:
> On 9/11/19 8:32 AM, Adrian Bunk wrote:
> > On Tue, Sep 10, 2019 at 05:41:36PM -0400, Randy MacLeod wrote:
> > > On qemuarm64 systems, about half of the valgrind tests fail and
> > > often result in defunct processes, eg:
> > >     root       819   818 25 00:12 pts/0    00:01:52 /usr/bin/valgrind --command-line-only=yes --memcheck:leak-check=no --tool=memcheck -q --track-origins=
> > >     root       861   420  0 00:13 pts/0    00:00:00 [sh] <defunct>
> > > Eventually these processes use so much memory that the
> > > out of memory killer runs.
> > > 
> > > Hide the tests that fail as a horrid work-around until the
> > > root cause has been resolved since this at least allows the
> > > ptest run to complete.
> > > ...
> > 
> > I can reproduce this on hardware,
> 
> Ah good, I was wondering if it was just happening on qemu.
> 
> > and I have the bad feeling that no one
> > will work on resolving the root cause if this is work-arounded in ptest.
> > 
> > IMHO this should instead be listed as M3 blocker,
> > similar to "strace ptest timeout".
> 
> Well, I've enabled 100s of tests that were not being run before
> and most of them pass for qemux86-64 so I don't think it
> should be an M3 blocker like strace since it isn't a regression.

I just tried to reproduce in warrior and it did,
so it doesn't seem to be a regression.

> I did start to debug valgrind but it's a bit of a complicated
> program and will take time so this work-around makes sense to
> me. If no one else gets to it before me, I'll come back to
> debugging this issue but likely not before early 3.1.

It would be good if you could also open a bug, so that people can see 
that there is a problem with this package on an important architecture.

> Thanks,
> ../Randy

Thanks
Adrian

-- 

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