From mboxrd@z Thu Jan 1 00:00:00 1970 From: George myglc2 Clemmer Subject: bug#30396: nscd segfaults on attempt to ssh to .local host Date: Thu, 08 Feb 2018 18:22:09 -0500 Message-ID: <86h8qr12zi.fsf@gmail.com> References: <86inb71h38.fsf@gmail.com> <87shabru5x.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Return-path: Received: from eggs.gnu.org ([2001:4830:134:3::10]:60110) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ejvWz-0006H3-EZ for bug-guix@gnu.org; Thu, 08 Feb 2018 18:23:07 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ejvWw-0005GB-7j for bug-guix@gnu.org; Thu, 08 Feb 2018 18:23:05 -0500 Received: from debbugs.gnu.org ([208.118.235.43]:54805) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1ejvWw-0005G4-3f for bug-guix@gnu.org; Thu, 08 Feb 2018 18:23:02 -0500 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1ejvWv-000130-UH for bug-guix@gnu.org; Thu, 08 Feb 2018 18:23:01 -0500 Sender: "Debbugs-submit" Resent-Message-ID: In-reply-to: <87shabru5x.fsf@gnu.org> List-Id: Bug reports for GNU Guix List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-guix-bounces+gcggb-bug-guix=m.gmane.org@gnu.org Sender: "bug-Guix" To: Ludovic =?UTF-8?Q?Court=C3=A8s?= Cc: 30396@debbugs.gnu.org Hello, On 02/08/2018 at 22:30 Ludovic Courtès writes: > Hi, > > George myglc2 Clemmer skribis: > >> g1@g1 /root/con/30$ ssh e3a.local ; date >> ssh: Could not resolve hostname e3a.local: Name or service not known >> Thu Feb 8 13:06:23 EST 2018 >> >> g1@g1 /root/con/30$ cat /var/log/messages | tail >> Feb 8 13:06:00 localhost dhclient: DHCPDISCOVER on enp4s0 to 255.255.255.255 port 67 interval 5 >> Feb 8 13:06:05 localhost dhclient: No DHCPOFFERS received. >> Feb 8 13:06:05 localhost dhclient: No working leases in persistent database - sleeping. >> Feb 8 13:06:23 localhost vmunix: [52360.780268] nscd[23423]: segfault at 0 ip 00007fb14a3c1606 sp 00007fb1446d82d8 error 4 in libc-2.25.so[7fb14a341000+196000] > > ‘nss-mdns’ was upgraded two weeks ago from 0.10 to 0.11. I can > reproduce the crash with 0.11 on x86_64. > > What does this print: > > guix gc -R $(readlink -f /run/current-system) | grep nss-mdns g1@g1 ~$ guix gc -R $(readlink -f /run/current-system) | grep nss-mdns /gnu/store/ms17fp783xqngzad0b38q97q73f9kaii-nss-mdns-0.11 > Perhaps “ssh -6 e3a.local” works? Nope ... g1@g1 ~$ ssh -6 e3a.local ; date ssh: Could not resolve hostname e3a.local: Name or service not known Thu Feb 8 18:18:31 EST 2018 g1@g1 ~$ cat /var/log/messages | tail Feb 8 18:18:19 localhost nscd: 580 monitoring directory `/etc` (2) Feb 8 18:18:19 localhost nscd: 580 monitoring file `/etc/services` (4) Feb 8 18:18:19 localhost nscd: 580 monitoring directory `/etc` (2) Feb 8 18:18:31 localhost vmunix: [71087.823297] nscd[587]: segfault at 0 ip 00007f71cfc43606 sp 00007f71c9f5a2d8 error 4 in libc-2.25.so[7f71cfbc3000+196000] Feb 8 18:18:32 localhost nscd: 591 monitoring file `/etc/hosts` (1) Feb 8 18:18:32 localhost nscd: 591 monitoring directory `/etc` (2) Feb 8 18:18:32 localhost nscd: 591 monitoring file `/etc/resolv.conf` (3) Feb 8 18:18:32 localhost nscd: 591 monitoring directory `/etc` (2) Feb 8 18:18:32 localhost nscd: 591 monitoring file `/etc/services` (4) Feb 8 18:18:32 localhost nscd: 591 monitoring directory `/etc` (2) Thanks - George