Re: 8.21.2-c53c - failure on rm/deep-2 and du/long-from-unreadable

[C de-Avillez]

On Mon, 18 Feb 2013 19:38:20 +0000
Pádraig Brady <address@hidden> wrote:

> On 02/18/2013 06:14 PM, C de-Avillez wrote:
> > Both tests failed at the same point:
> >
> > foreach my $i (1..52)' -e '  { mkdir ($d, 0700) && chdir $d or die
> > "$!" }' File name too long at -e line 2.
> >
> > I do not remember seeing this error anytime recently (but I have
> > been lax on running the tests, sorry).
> >
> > I have attached both logs here.
> >
> > Ubuntu Raring, kernel 3.8.0-6.13-generic (3.8.0-rc7), libc6
> > 2.17-0ubuntu4.
> >
> > Cheers,
> >
> > ..C..
> >
> 
> Just a test setup failure, but interesting nonetheless.
> 
> Is wonder is something new adding in new PATH_MAX checks?
> What file system is this? Does it happen if you use the shell snippet
> in tests/du/long-from-unreadable.sh rather than the perl snippet?
> 
> thanks,
> Pádraig.
> 

This is an ext4, no special options. Using the shell snippet succeeds:

$ dir=$(printf '%200s\n' ' ' | tr ' ' x)
$ for i in $(seq 52); do mkdir $dir|| exit -1; cd $dir||exit -1; done;
echo $?
0
xxxxxxx... (humongous directory) ...xxxxx/$

Running the perl script by itself *also* did not fail (line wrapped):

$ perl  -e 'my $d = '$dir'; foreach my $i (1..52)  { mkdir ($d, 0700)
&& chdir $d or die "$!" }'; echo $?
0
$

That's surprising, digging in.

..C..

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