Re: generic/095 and generic/300 failures

[Zorro Lang <zlang@redhat.com>]

On Sun, Apr 25, 2021 at 01:05:35PM +0800, Eryu Guan wrote:
> On Tue, Apr 20, 2021 at 07:54:16AM +0200, Christoph Hellwig wrote:
> > Hi all,
> > 
> > generic/095 and generic/300 have been failing for me with every config
> > on every file system for a while with the following messages:
> > 
> > --- tests/generic/095.out	2016-03-29 13:59:30.405053956 +0000
> > +++ results/generic/095.out.bad	2021-04-20 05:44:54.432081845 +0000
> > @@ -1,2 +1,7 @@
> >  QA output created by 095
> > +job9: No I/O performed by mmap, perhaps try --debug=io option for details?
> > +job9: No I/O performed by mmap, perhaps try --debug=io option for details?
> > +job9: No I/O performed by mmap, perhaps try --debug=io option for details?
> > +job9: No I/O performed by mmap, perhaps try --debug=io option for details?
> > +job9: No I/O performed by mmap, perhaps try --debug=io option for details?
> >  Silence is golden           
> > 
> > --- tests/generic/300.out	2016-03-29 13:59:30.431720622 +0000
> > +++ results/generic/300.out.bad	2021-04-20 05:45:06.324708699 +0000
> > @@ -2,3 +2,4 @@
> >  
> >  Run fio with random aio-dio pattern
> >    
> > +falloc_raicer: No I/O performed by falloc, perhaps try --debug=io option for details?
> > 
> > 
> > ----- End forwarded message -----
> 
> Yeah, I've noticed these failures as well, and it seems that it's caused
> by fio behavior change, as Zorro said he never hit such failures[1].
> 
> I'm using fio-3.7

I use fio-3.25-3. I never saw the errors you metioned above.

How about CC axboe@kernel.dk (fio maintainer) if you still can reproduce this
error on latest fio version?

Thanks,
Zorro

> 
> # fio --version
> fio-3.7-66-gedfc
> 
> Thanks,
> Eryu
> 
> [1] https://www.spinics.net/lists/fstests/msg15871.html
>