[igt-dev] [PATCH i-g-t v2 0/1] tests/prime_vgem: Fix broken handling of interprocess pipes

[Ser, Simon]

On Thu, 2019-07-11 at 12:49 +0200, Janusz Krzysztofik wrote:
> Hi Simon,
> 
> On Thursday, July 11, 2019 12:39:51 PM CEST Ser, Simon wrote:
> > On Thu, 2019-07-11 at 10:39 +0200, Janusz Krzysztofik wrote:
> > > If a child process dies for any reason while basic-fence-read or
> > > basic-fence-mmap subtest is run, the subtest may hang indefinitely on
> > > read() from a pipe which is supposed to be written to by that child
> > > (can
> > > be interrupted though).  Fix it by first closing unused pipe ends on
> > > both
> > > parent and child side before using the pipe, as recommended by
> > > pipe(2)
> > > manual page.
> > > 
> > > Please note that due to the IGT library way of handling signals, now
> > > the
> > > subtests may fail with error code 141 (128 + SIGPIPE) and no usual
> > > DEBUG
> > > message block on stderr nor FAIL message line on stdout, however some
> > > meaningful error messages will still be printed on stderr by the
> > > failing
> > > child processes.
> > > 
> > > v2: resend with Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
> > >     added
> > 
> > You generally don't need to resend a patch just to add a R-b tag.
> > 
> > Do you have IGT commit rights?
> 
> I don't think I have.

Okay. I just pushed this commit:

To gitlab.freedesktop.org:drm/igt-gpu-tools.git
   86dc48ede7c3..d7f140b5b02d  master -> master

Thanks!

Next time, you can just reply to the R-b asking for the reviewer to
push the change.

> Thanks,
> Janusz
> 
> > > Janusz Krzysztofik (1):
> > >   tests/prime_vgem: Fix broken handling of interprocess pipes
> > > 
> > >  tests/prime_vgem.c | 12 ++++++++----
> > >  1 file changed, 8 insertions(+), 4 deletions(-)
> > > 
> 
> 
>