Re: [PATCH] blktests: Ignore errors from wait(1)

[Jan Kara <jack@suse.cz>]

On Tue 14-06-22 07:04:54, Shinichiro Kawasaki wrote:
> On Jun 13, 2022 / 17:17, Jan Kara wrote:
> > Multiple blktests use wait(1) to wait for background tasks. However in
> > some cases tasks can exit before wait(1) is called and in that case
> > wait(1) complains which breaks expected output. Make sure we ignore
> > output from wait(1) to avoid this breakage.
> 
> Hi Jan, thanks for the patch.
> 
> May I know how to create the wait(1) complaint message? I added sleep
> command before the waits to ensure the background tasks completed, but
> was not able to see message by wait on my test system. I suspect it may
> depend on bash version.

Yes, I suspect it depends on the shell as well (because otherwise I expect
people would hit this much earlier than me :). The bash I have is
"4.4.23(1)-release" - the one in openSUSE 15.3 and it shows the error
pretty reliably...

								Honza
-- 
Jan Kara <jack@suse.com>
SUSE Labs, CR