BusyBox 1.2.1 piping issue

[Denis Vlasenko]

On Thursday 05 April 2007 02:49, Coleman Brumley wrote:
> >> Did you test later versions?  Do you have strace output 
> >> of misbehaving command?
> >>
> >> strace -f -o file.log ./busybox ash -c 'echo abcd | grep a'
> >>
> >> .config? On which arch are you? Does it happen on i386?
> >>     
> >
> > heh, actually we just noticed this ourselves with busybox 1.4.2 on blackfin:
> > echo "" | grep .
> > grep seems to crash
> > -mike
> >   
> Thanks, Mike and Denis.
> 
> It seems to be the "|" for me, since this also crashes:
> 
> echo $x | cut -d"=" -f1 | tr 'A-Z' 'a-z'
> 
> > strace -f -o file.log ./busybox ash -c 'echo abcd | grep a'
> 
> I don't have strace installed as part of my busybox build.  What setting 
> in .config turns that on?  Or did you mean to run the strace command on 
> my desktop?

strace is not in busybox, it's separate package.
You can try building strace for the target.

Or you can try to collect more data by building busybox
on desktop machine, with same .config, and test it.

IOW: we need more data points.
--
vda