Bug#753444: perl-base - Segfaults in libperl.so.5.18

[Bastian Blank]

On Wed, Jul 02, 2014 at 09:35:43PM +0300, Niko Tyni wrote:
> On Wed, Jul 02, 2014 at 12:26:57AM +0200, Bastian Blank wrote:
> Unfortunately I can't reproduce the segfault on zelenka, in a sid or
> jessie s390x chroot.  To make matters worse, even gdb doesn't seem to
> work there:
> (gdb) run
> Starting program: /usr/bin/perl /usr/share/debconf/frontend
> Couldn't write registers: Invalid argument.

This is a known problem with the kernel in Wheezy.

> Is it possible to arrange access on a box where it happens?

Yes.  Please send me your ssh key.

> Do you get a better backtrace after installing perl-debug?
> (Not that I expect that to help much.)

This one fails with:
| debugperl: inline.h:21: S_av_top_index: Assertion `((svtype)((av)->sv_flags & 0xff)) == SVt_PVAV' failed.

> I see 5.18.2-4+b1 is a rebuild against libc6 2.19, built with 2.19-1 on
> zani three weeks ago. Do you know the rebuild was necessary?

I don't know.

> #604128 / #679811 (tagged as unreproducible) might be the same issue.

There are some reports on debian-s390 regarding this issue.

Bastian

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