> Could you perhaps include the following information: > > * Which architecture are you using? If you have multi-arch enabled, > please list the architecture of the perl packages (e.g. in the form > of "dpkg -l" if you don't mind including a list of all packages > installed)
amd64, nothing else. > > * Does perl segfault in general or does it "only" happen when you run > dpkg/apt? So far, only when running apt/dpkg. And, only at specific times (more to follow, as per Gregor's request) > - e.g. try running "dpkg-architecture" (if you have dpkg-dev > installed) > > * If you can reproduce the segfault directly, can you provide a > backtrace with symbols? NB: you will probably need to download some > of the debug symbols from the new debug archive (see [1]) I can't directly, and strace wasn't very helpful in tracing perl via dpkg -- even with -f. EG: strace -s10024 -f -i -y -o /tmp/bah dpkg -D10000 -i cgmanager_0.41-2_amd64.deb 4848 read(4, "package strict;\n\n$strict::VERSION = \"1.11\";\n\nmy ( %bitmask, %explicit_bitmask );\n\nBEGIN {\n # Verify that we're called correctly so that strictures will work.\n # Can't use Carp, since Carp uses us!\n # see also warnings.pm.\n die sprintf \"Incorrect use of pragma '%s' at %s line %d.\\n\", __PACKAGE__, +(caller)[1,2]\n if __FILE__ !~ ( '(?x) \\b '.__PACKAGE__.' \\.pmc? \\z' )\n && __FILE__ =~ ( '(?x) \\b (? i:'.__PACKAGE__.') \\.pmc? \\z' );\n\n %bitmask = (\n refs => 0x00000002,\n subs => 0x00000200,\n vars => 0x00000400,\n );\n\n %explicit_bitmask = (\n refs => 0x00000020,\n subs => 0x00000 040,\n vars => 0x00000080,\n );\n\n my $bits = 0;\n $bits |= $_ for values %bitmask;\n\n my $inline_all_bits = $bits;\n *all_bits = sub () { $inline_all_bits };\n\n $bits = 0;\n $bits |= $_ for values %ex plicit_bitmask;\n\n my $inline_all_explicit_bits = $bits;\n *all_explicit_bits = sub () { $inline_all_explicit_bits };\n}\n\nsub bits {\n my $bits = 0;\n my @wrong;\n foreach my $s (@_) {\n if (exists $bitmask{ $s}) {\n $^H |= $explicit_bitmask{$s};\n\n $bits |= $bitmask{$s};\n }\n else {\n push @wrong, $s;\n }\n }\n if (@wrong) {\n require Carp;\n Carp::croak(\"Unkn own 'strict' tag(s) '@wrong'\");\n }\n $bits;\n}\n\nsub import {\n shift;\n $^H |= @_ ? &bits : all_bits | all_explicit_bits;\n}\n\nsub unimport {\n shift;\n\n if (@_) {\n $^H &= ~&bits;\n }\n else {\n $^H &= ~all_bits;\n $^H |= all_explicit_bits;\n }\n}\n\n1;\n__END__\n\n", 8192) = 1606 4848 --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x564e95e7d010} --- 4848 +++ killed by SIGSEGV +++ 4847 <... wait4 resumed> [{WIFSIGNALED(s) && WTERMSIG(s) == SIGS --------- As per Gregor's request, here's what happened: - installed a fresh copy of stretch on an older generation (fully amd64 capable) AMD box - install went fine. Installed it today, using V3 of the installer - tasksel was ONLY 'ssh' and below it 'standard system utilities' - post boot, modified /etc/network/interfaces, then: - apt-get installed vim lsof - installed moreutils - installed inetutils-tools - purged inetutils-tools - installed net-tools - created /etc/apt/preferences.d/systemd, with contents: Package: systemd Pin: release * Pin-Priority: -1 Package: *systemd* Pin: release * Pin-Priority: -1 Package: systemd:i386 Pin: release * Pin-Priority: -1 Package: systemd:amd64 Pin: release * Pin-Priority: -1 - apt-get install sysvinit-core This also did: Install: startpar:amd64 (0.59-3.1, automatic), insserv:amd64 (1.14.0-5.4+b1, automatic), psmisc:amd64 (22.21-2.1+b2, automatic), sysvinit-core:amd64 (2.88dsf-59.9), initscripts:amd64 (2.88dsf-59.9, automatic), sysv-rc:amd64 (2.88dsf-59.9, automatic) Remove: systemd-sysv:amd64 (232-22), libpam-systemd:amd64 (232-22) During install: # apt-get install sysvinit-utils sysvinit-core Reading package lists... Done Building dependency tree Reading state information... Done sysvinit-utils is already the newest version (2.88dsf-59.9). The following additional packages will be installed: cgmanager initscripts insserv libcgmanager0 libglib2.0-0 libglib2.0-data libnih-dbus1 libnih1 psmisc shared-mime-info startpar systemd-shim sysv-rc xdg-user-dirs Suggested packages: bootchart2 pm-utils bum bootlogd The following packages will be REMOVED: systemd-sysv The following NEW packages will be installed: cgmanager initscripts insserv libcgmanager0 libglib2.0-0 libglib2.0-data libnih-dbus1 libnih1 psmisc shared-mime-info startpar systemd-shim sysv-rc sysvinit-core xdg-user-dirs 0 upgraded, 15 newly installed, 1 to remove and 0 not upgraded. 1 not fully installed or removed. Need to get 6,358 kB/6,851 kB of archives. After this operation, 22.2 MB of additional disk space will be used. Do you want to continue? [Y/n] Get:1 http://ftp.us.debian.org/debian stretch/main amd64 systemd-shim amd64 10-3 [20.0 kB] Get:2 http://ftp.us.debian.org/debian stretch/main amd64 libglib2.0-0 amd64 2.50.3-2 [2,691 kB] Get:3 http://ftp.us.debian.org/debian stretch/main amd64 libnih1 amd64 1.0.3-8 [125 kB] Get:4 http://ftp.us.debian.org/debian stretch/main amd64 libnih-dbus1 amd64 1.0.3-8 [96.8 kB] Get:5 http://ftp.us.debian.org/debian stretch/main amd64 libcgmanager0 amd64 0.41-2 [41.1 kB] Get:6 http://ftp.us.debian.org/debian stretch/main amd64 cgmanager amd64 0.41-2 [84.0 kB] Get:7 http://ftp.us.debian.org/debian stretch/main amd64 libglib2.0-data all 2.50.3-2 [2,517 kB] Get:8 http://ftp.us.debian.org/debian stretch/main amd64 shared-mime-info amd64 1.8-1 [731 kB] Get:9 http://ftp.us.debian.org/debian stretch/main amd64 xdg-user-dirs amd64 0.15-2+b1 [52.2 kB] Fetched 6,358 kB in 1s (3,521 kB/s) Segmentation fault Selecting previously unselected package insserv. (Reading database ... 28220 files and directories currently installed.) Preparing to unpack .../insserv_1.14.0-5.4+b1_amd64.deb ... Unpacking insserv (1.14.0-5.4+b1) ... Selecting previously unselected package startpar. Preparing to unpack .../startpar_0.59-3.1_amd64.deb ... Unpacking startpar (0.59-3.1) ... Selecting previously unselected package sysv-rc. Preparing to unpack .../sysv-rc_2.88dsf-59.9_all.deb ... Unpacking sysv-rc (2.88dsf-59.9) ... Selecting previously unselected package initscripts. Preparing to unpack .../initscripts_2.88dsf-59.9_amd64.deb ... Unpacking initscripts (2.88dsf-59.9) ... dpkg: systemd-sysv: dependency problems, but removing anyway as you requested: init depends on systemd-sysv | sysvinit-core; however: Package systemd-sysv is to be removed. Package sysvinit-core is not installed. libpam-systemd:amd64 depends on systemd-shim (>= 10-3~) | systemd-sysv; however: Package systemd-shim is not installed. Package systemd-sysv is to be removed. (Reading database ... 28320 files and directories currently installed.) Removing systemd-sysv (232-22) ... Selecting previously unselected package systemd-shim. (Reading database ... 28303 files and directories currently installed.) Preparing to unpack .../00-systemd-shim_10-3_amd64.deb ... Adding 'diversion of /usr/share/dbus-1/system-services/org.freedesktop.systemd1.service to /usr/share/dbus-1/system-services/org.freedesktop.systemd1.service.systemd by systemd-shim' Unpacking systemd-shim (10-3) ... Selecting previously unselected package sysvinit-core. Preparing to unpack .../01-sysvinit-core_2.88dsf-59.9_amd64.deb ... Unpacking sysvinit-core (2.88dsf-59.9) ... Selecting previously unselected package libglib2.0-0:amd64. Preparing to unpack .../02-libglib2.0-0_2.50.3-2_amd64.deb ... Unpacking libglib2.0-0:amd64 (2.50.3-2) ... Selecting previously unselected package libnih1. Preparing to unpack .../03-libnih1_1.0.3-8_amd64.deb ... Unpacking libnih1 (1.0.3-8) ... Selecting previously unselected package libnih-dbus1. Preparing to unpack .../04-libnih-dbus1_1.0.3-8_amd64.deb ... Unpacking libnih-dbus1 (1.0.3-8) ... Selecting previously unselected package libcgmanager0:amd64. Preparing to unpack .../05-libcgmanager0_0.41-2_amd64.deb ... Unpacking libcgmanager0:amd64 (0.41-2) ... Selecting previously unselected package cgmanager. Preparing to unpack .../06-cgmanager_0.41-2_amd64.deb ... Unpacking cgmanager (0.41-2) ... Selecting previously unselected package libglib2.0-data. Preparing to unpack .../07-libglib2.0-data_2.50.3-2_all.deb ... Unpacking libglib2.0-data (2.50.3-2) ... Selecting previously unselected package psmisc. Preparing to unpack .../08-psmisc_22.21-2.1+b2_amd64.deb ... Unpacking psmisc (22.21-2.1+b2) ... Selecting previously unselected package shared-mime-info. Preparing to unpack .../09-shared-mime-info_1.8-1_amd64.deb ... Unpacking shared-mime-info (1.8-1) ... Selecting previously unselected package xdg-user-dirs. Preparing to unpack .../10-xdg-user-dirs_0.15-2+b1_amd64.deb ... Unpacking xdg-user-dirs (0.15-2+b1) ... Setting up psmisc (22.21-2.1+b2) ... Setting up libglib2.0-0:amd64 (2.50.3-2) ... No schema files found: doing nothing. Setting up startpar (0.59-3.1) ... Setting up libglib2.0-data (2.50.3-2) ... Processing triggers for libc-bin (2.24-9) ... Processing triggers for systemd (232-22) ... Processing triggers for man-db (2.7.6.1-2) ... Setting up shared-mime-info (1.8-1) ... Setting up insserv (1.14.0-5.4+b1) ... Processing triggers for dbus (1.10.18-1) ... Setting up xdg-user-dirs (0.15-2+b1) ... Setting up libnih1 (1.0.3-8) ... Setting up libnih-dbus1 (1.0.3-8) ... Setting up libcgmanager0:amd64 (0.41-2) ... Setting up cgmanager (0.41-2) ... Segmentation fault Segmentation fault Segmentation fault Segmentation fault Segmentation fault Segmentation fault Segmentation fault Segmentation fault Segmentation fault Segmentation fault dpkg: error processing package cgmanager (--configure): subprocess installed post-installation script returned error exit status 139 Setting up sysv-rc (2.88dsf-59.9) ... Setting up initscripts (2.88dsf-59.9) ... Segmentation fault dpkg: error processing package initscripts (--configure): subprocess installed post-installation script returned error exit status 139 dpkg: dependency problems prevent configuration of systemd-shim: systemd-shim depends on cgmanager (>= 0.32); however: Package cgmanager is not configured yet. dpkg: error processing package systemd-shim (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of libpam-systemd:amd64: libpam-systemd:amd64 depends on systemd-shim (>= 10-3~) | systemd-sysv; however: Package systemd-shim is not configured yet. Package systemd-sysv is not installed. dpkg: error processing package libpam-systemd:amd64 (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of sysvinit-core: sysvinit-core depends on initscripts (>= 2.88dsf-13.3); however: Package initscripts is not configured yet. dpkg: error processing package sysvinit-core (--configure): dependency problems - leaving unconfigured Processing triggers for libc-bin (2.24-9) ... Processing triggers for systemd (232-22) ... Errors were encountered while processing: cgmanager initscripts systemd-shim libpam-systemd:amd64 sysvinit-core E: Sub-process /usr/bin/dpkg returned an error code (1) - at this point, I "did a few things". EG, dmesg, looked at logs, did an apt-get update... - tried apt-get -u upgrade, Segfault on cmanager (and others) again. - after more mucking about, did: mv /etc/apt/preferences.d/systemd / (just some place to stash it for temp) - after? # apt-get install sysvinit-utils sysvinit-core Reading package lists... Done Building dependency tree Reading state information... Done sysvinit-utils is already the newest version (2.88dsf-59.9). The following additional packages will be installed: cgmanager initscripts insserv libcgmanager0 libglib2.0-0 libglib2.0-data libnih-dbus1 libnih1 psmisc shared-mime-info startpar systemd-shim sysv-rc xdg-user-dirs Suggested packages: bootchart2 pm-utils bum bootlogd The following packages will be REMOVED: systemd-sysv The following NEW packages will be installed: cgmanager initscripts insserv libcgmanager0 libglib2.0-0 libglib2.0-data libnih-dbus1 libnih1 psmisc shared-mime-info startpar systemd-shim sysv-rc sysvinit-core xdg-user-dirs 0 upgraded, 15 newly installed, 1 to remove and 0 not upgraded. 1 not fully installed or removed. Need to get 6,358 kB/6,851 kB of archives. After this operation, 22.2 MB of additional disk space will be used. Do you want to continue? [Y/n] Get:1 http://ftp.us.debian.org/debian stretch/main amd64 systemd-shim amd64 10-3 [20.0 kB] Get:2 http://ftp.us.debian.org/debian stretch/main amd64 libglib2.0-0 amd64 2.50.3-2 [2,691 kB] Get:3 http://ftp.us.debian.org/debian stretch/main amd64 libnih1 amd64 1.0.3-8 [125 kB] Get:4 http://ftp.us.debian.org/debian stretch/main amd64 libnih-dbus1 amd64 1.0.3-8 [96.8 kB] Get:5 http://ftp.us.debian.org/debian stretch/main amd64 libcgmanager0 amd64 0.41-2 [41.1 kB] Get:6 http://ftp.us.debian.org/debian stretch/main amd64 cgmanager amd64 0.41-2 [84.0 kB] Get:7 http://ftp.us.debian.org/debian stretch/main amd64 libglib2.0-data all 2.50.3-2 [2,517 kB] Get:8 http://ftp.us.debian.org/debian stretch/main amd64 shared-mime-info amd64 1.8-1 [731 kB] Get:9 http://ftp.us.debian.org/debian stretch/main amd64 xdg-user-dirs amd64 0.15-2+b1 [52.2 kB] Fetched 6,358 kB in 1s (3,521 kB/s) Segmentation fault Selecting previously unselected package insserv. (Reading database ... 28220 files and directories currently installed.) Preparing to unpack .../insserv_1.14.0-5.4+b1_amd64.deb ... Unpacking insserv (1.14.0-5.4+b1) ... Selecting previously unselected package startpar. Preparing to unpack .../startpar_0.59-3.1_amd64.deb ... Unpacking startpar (0.59-3.1) ... Selecting previously unselected package sysv-rc. Preparing to unpack .../sysv-rc_2.88dsf-59.9_all.deb ... Unpacking sysv-rc (2.88dsf-59.9) ... Selecting previously unselected package initscripts. Preparing to unpack .../initscripts_2.88dsf-59.9_amd64.deb ... Unpacking initscripts (2.88dsf-59.9) ... dpkg: systemd-sysv: dependency problems, but removing anyway as you requested: init depends on systemd-sysv | sysvinit-core; however: Package systemd-sysv is to be removed. Package sysvinit-core is not installed. libpam-systemd:amd64 depends on systemd-shim (>= 10-3~) | systemd-sysv; however: Package systemd-shim is not installed. Package systemd-sysv is to be removed. (Reading database ... 28320 files and directories currently installed.) Removing systemd-sysv (232-22) ... Selecting previously unselected package systemd-shim. (Reading database ... 28303 files and directories currently installed.) Preparing to unpack .../00-systemd-shim_10-3_amd64.deb ... Adding 'diversion of /usr/share/dbus-1/system-services/org.freedesktop.systemd1.service to /usr/share/dbus-1/system-services/org.freedesktop.systemd1.service.systemd by systemd-shim' Unpacking systemd-shim (10-3) ... Selecting previously unselected package sysvinit-core. Preparing to unpack .../01-sysvinit-core_2.88dsf-59.9_amd64.deb ... Unpacking sysvinit-core (2.88dsf-59.9) ... Selecting previously unselected package libglib2.0-0:amd64. Preparing to unpack .../02-libglib2.0-0_2.50.3-2_amd64.deb ... Unpacking libglib2.0-0:amd64 (2.50.3-2) ... Selecting previously unselected package libnih1. Preparing to unpack .../03-libnih1_1.0.3-8_amd64.deb ... Unpacking libnih1 (1.0.3-8) ... Selecting previously unselected package libnih-dbus1. Preparing to unpack .../04-libnih-dbus1_1.0.3-8_amd64.deb ... Unpacking libnih-dbus1 (1.0.3-8) ... Selecting previously unselected package libcgmanager0:amd64. Preparing to unpack .../05-libcgmanager0_0.41-2_amd64.deb ... Unpacking libcgmanager0:amd64 (0.41-2) ... Selecting previously unselected package cgmanager. Preparing to unpack .../06-cgmanager_0.41-2_amd64.deb ... Unpacking cgmanager (0.41-2) ... Selecting previously unselected package libglib2.0-data. Preparing to unpack .../07-libglib2.0-data_2.50.3-2_all.deb ... Unpacking libglib2.0-data (2.50.3-2) ... Selecting previously unselected package psmisc. Preparing to unpack .../08-psmisc_22.21-2.1+b2_amd64.deb ... Unpacking psmisc (22.21-2.1+b2) ... Selecting previously unselected package shared-mime-info. Preparing to unpack .../09-shared-mime-info_1.8-1_amd64.deb ... Unpacking shared-mime-info (1.8-1) ... Selecting previously unselected package xdg-user-dirs. Preparing to unpack .../10-xdg-user-dirs_0.15-2+b1_amd64.deb ... Unpacking xdg-user-dirs (0.15-2+b1) ... Setting up psmisc (22.21-2.1+b2) ... Setting up libglib2.0-0:amd64 (2.50.3-2) ... No schema files found: doing nothing. Setting up startpar (0.59-3.1) ... Setting up libglib2.0-data (2.50.3-2) ... Processing triggers for libc-bin (2.24-9) ... Processing triggers for systemd (232-22) ... Processing triggers for man-db (2.7.6.1-2) ... Setting up shared-mime-info (1.8-1) ... Setting up insserv (1.14.0-5.4+b1) ... Processing triggers for dbus (1.10.18-1) ... Setting up xdg-user-dirs (0.15-2+b1) ... Setting up libnih1 (1.0.3-8) ... Setting up libnih-dbus1 (1.0.3-8) ... Setting up libcgmanager0:amd64 (0.41-2) ... Setting up cgmanager (0.41-2) ... Segmentation fault Segmentation fault Segmentation fault Segmentation fault Segmentation fault Segmentation fault Segmentation fault Segmentation fault Segmentation fault Segmentation fault dpkg: error processing package cgmanager (--configure): subprocess installed post-installation script returned error exit status 139 Setting up sysv-rc (2.88dsf-59.9) ... Setting up initscripts (2.88dsf-59.9) ... Segmentation fault dpkg: error processing package initscripts (--configure): subprocess installed post-installation script returned error exit status 139 dpkg: dependency problems prevent configuration of systemd-shim: systemd-shim depends on cgmanager (>= 0.32); however: Package cgmanager is not configured yet. dpkg: error processing package systemd-shim (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of libpam-systemd:amd64: libpam-systemd:amd64 depends on systemd-shim (>= 10-3~) | systemd-sysv; however: Package systemd-shim is not configured yet. Package systemd-sysv is not installed. dpkg: error processing package libpam-systemd:amd64 (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of sysvinit-core: sysvinit-core depends on initscripts (>= 2.88dsf-13.3); however: Package initscripts is not configured yet. dpkg: error processing package sysvinit-core (--configure): dependency problems - leaving unconfigured Processing triggers for libc-bin (2.24-9) ... Processing triggers for systemd (232-22) ... Errors were encountered while processing: cgmanager initscripts systemd-shim libpam-systemd:amd64 sysvinit-core E: Sub-process /usr/bin/dpkg returned an error code (1) (EG, quite a few more packages were pulled in) - did dpkg --force-all -i perl_5.20.2-3+deb8u6_amd64.deb, still segfault - did dpkg -i --force-all perl-base_5.20.2-3+deb8u6_amd64.deb, segfault gone, as: strace -s10024 -f -i -y -o /tmp/bah dpkg -D10000 -i cgmanager_0.41-2_amd64.deb succeeded. Just now, as per your request, I restored 5.24 of both packages. *Everything is fine now*. Since I have just installed this system, I can very easily to a re-install. I can also do some tests, but before I do, I'll see of the above kicks any ideas into mind. If we do more tests, I'll try to get a list of files -- see if 5.20 -> 5.24 left anything extra behind, etc.... Thanks > > Thanks, > ~Niels > > PS: Please keep me CC'ed in replies. > > [1] > https://www.debian.org/releases/stretch/amd64/release-notes/ch-whats-new.en.html#debug-archive