0s autopkgtest [16:09:34]: starting date and time: 2026-02-09 16:09:34+0000 0s autopkgtest [16:09:34]: git checkout: 4b346b80 nova: make wait_reboot return success even when a no-op 0s autopkgtest [16:09:34]: host juju-7f2275-prod-proposed-migration-environment-15; command line: /home/ubuntu/autopkgtest/runner/autopkgtest --output-dir /tmp/autopkgtest-work.jz15l7of/out --timeout-copy=6000 --needs-internet=try --setup-commands /home/ubuntu/autopkgtest-cloud/worker-config-production/setup-canonical.sh --apt-pocket=proposed=src:linux-base --apt-upgrade kdump-tools --timeout-short=300 --timeout-copy=20000 --timeout-build=20000 --env=ADT_TEST_TRIGGERS=linux-base/4.15ubuntu1 -- ssh -s /home/ubuntu/autopkgtest/ssh-setup/nova -- --flavor autopkgtest-cpu2-ram4-disk20-ppc64el --security-groups autopkgtest-juju-7f2275-prod-proposed-migration-environment-15@sto01-ppc64el-19.secgroup --name adt-resolute-ppc64el-kdump-tools-20260209-155029-juju-7f2275-prod-proposed-migration-environment-15-c1f4ef4e-5876-487c-a35e-5fd4bbac2dd6 --image adt/ubuntu-resolute-ppc64el-server --keyname testbed-juju-7f2275-prod-proposed-migration-environment-15 --net-id=net_prod-autopkgtest-workers-ppc64el -e TERM=linux --mirror=http://ftpmaster.internal/ubuntu/ 4s Creating nova instance adt-resolute-ppc64el-kdump-tools-20260209-155029-juju-7f2275-prod-proposed-migration-environment-15-c1f4ef4e-5876-487c-a35e-5fd4bbac2dd6 from image adt/ubuntu-resolute-ppc64el-server-20260209.img (UUID f7f31435-4cd1-4090-aa55-59cfefa097ca)... 53s autopkgtest [16:10:27]: testbed dpkg architecture: ppc64el 54s autopkgtest [16:10:28]: testbed apt version: 3.1.15 54s autopkgtest [16:10:28]: @@@@@@@@@@@@@@@@@@@@ test bed setup 54s autopkgtest [16:10:28]: testbed release detected to be: None 55s autopkgtest [16:10:29]: updating testbed package index (apt update) 55s Get:1 http://ftpmaster.internal/ubuntu resolute-proposed InRelease [124 kB] 55s Hit:2 http://ftpmaster.internal/ubuntu resolute InRelease 55s Hit:3 http://ftpmaster.internal/ubuntu resolute-updates InRelease 55s Hit:4 http://ftpmaster.internal/ubuntu resolute-security InRelease 55s Get:5 http://ftpmaster.internal/ubuntu resolute-proposed/main Sources [173 kB] 55s Get:6 http://ftpmaster.internal/ubuntu resolute-proposed/universe Sources [1622 kB] 56s Get:7 http://ftpmaster.internal/ubuntu resolute-proposed/restricted Sources [2744 B] 56s Get:8 http://ftpmaster.internal/ubuntu resolute-proposed/multiverse Sources [29.4 kB] 56s Get:9 http://ftpmaster.internal/ubuntu resolute-proposed/main ppc64el Packages [238 kB] 56s Get:10 http://ftpmaster.internal/ubuntu resolute-proposed/universe ppc64el Packages [1509 kB] 56s Get:11 http://ftpmaster.internal/ubuntu resolute-proposed/multiverse ppc64el Packages [19.4 kB] 57s Fetched 3718 kB in 1s (2594 kB/s) 57s Reading package lists... 58s Hit:1 http://ftpmaster.internal/ubuntu resolute-proposed InRelease 58s Hit:2 http://ftpmaster.internal/ubuntu resolute InRelease 58s Hit:3 http://ftpmaster.internal/ubuntu resolute-updates InRelease 58s Hit:4 http://ftpmaster.internal/ubuntu resolute-security InRelease 59s Reading package lists... 59s Reading package lists... 59s Building dependency tree... 59s Reading state information... 59s Calculating upgrade... 59s The following packages will be upgraded: 59s cryptsetup-bin dracut-install libcryptsetup12 linux-base 59s linux-sysctl-defaults 59s 5 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. 59s Need to get 742 kB of archives. 59s After this operation, 3072 B of additional disk space will be used. 59s Get:1 http://ftpmaster.internal/ubuntu resolute/main ppc64el libcryptsetup12 ppc64el 2:2.8.0-1ubuntu3 [404 kB] 59s Get:2 http://ftpmaster.internal/ubuntu resolute-proposed/main ppc64el linux-sysctl-defaults all 4.15ubuntu1 [6792 B] 59s Get:3 http://ftpmaster.internal/ubuntu resolute/main ppc64el cryptsetup-bin ppc64el 2:2.8.0-1ubuntu3 [250 kB] 59s Get:4 http://ftpmaster.internal/ubuntu resolute/main ppc64el dracut-install ppc64el 109-11ubuntu1 [51.3 kB] 59s Get:5 http://ftpmaster.internal/ubuntu resolute-proposed/main ppc64el linux-base all 4.15ubuntu1 [30.6 kB] 60s dpkg-preconfigure: unable to re-open stdin: No such file or directory 60s Fetched 742 kB in 0s (27.0 MB/s) 60s (Reading database ... (Reading database ... 5% (Reading database ... 10% (Reading database ... 15% (Reading database ... 20% (Reading database ... 25% (Reading database ... 30% (Reading database ... 35% (Reading database ... 40% (Reading database ... 45% (Reading database ... 50% (Reading database ... 55% (Reading database ... 60% (Reading database ... 65% (Reading database ... 70% (Reading database ... 75% (Reading database ... 80% (Reading database ... 85% (Reading database ... 90% (Reading database ... 95% (Reading database ... 100% (Reading database ... 122003 files and directories currently installed.) 60s Preparing to unpack .../libcryptsetup12_2%3a2.8.0-1ubuntu3_ppc64el.deb ... 60s Unpacking libcryptsetup12:ppc64el (2:2.8.0-1ubuntu3) over (2:2.8.0-1ubuntu2) ... 60s Preparing to unpack .../linux-sysctl-defaults_4.15ubuntu1_all.deb ... 60s Unpacking linux-sysctl-defaults (4.15ubuntu1) over (4.14ubuntu2) ... 61s Preparing to unpack .../cryptsetup-bin_2%3a2.8.0-1ubuntu3_ppc64el.deb ... 61s Unpacking cryptsetup-bin (2:2.8.0-1ubuntu3) over (2:2.8.0-1ubuntu2) ... 61s Preparing to unpack .../dracut-install_109-11ubuntu1_ppc64el.deb ... 61s Unpacking dracut-install (109-11ubuntu1) over (109-9ubuntu1) ... 61s Preparing to unpack .../linux-base_4.15ubuntu1_all.deb ... 61s Unpacking linux-base (4.15ubuntu1) over (4.14ubuntu2) ... 61s Setting up linux-base (4.15ubuntu1) ... 62s Setting up linux-sysctl-defaults (4.15ubuntu1) ... 62s Setting up dracut-install (109-11ubuntu1) ... 62s Setting up libcryptsetup12:ppc64el (2:2.8.0-1ubuntu3) ... 62s Setting up cryptsetup-bin (2:2.8.0-1ubuntu3) ... 62s Processing triggers for systemd (259-1ubuntu3) ... 62s Processing triggers for man-db (2.13.1-1build1) ... 64s Processing triggers for procps (2:4.0.4-9ubuntu1) ... 64s Processing triggers for libc-bin (2.42-2ubuntu4) ... 64s autopkgtest [16:10:38]: upgrading testbed (apt dist-upgrade and autopurge) 64s Reading package lists... 65s Building dependency tree... 65s Reading state information... 65s Calculating upgrade... 65s 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. 65s Reading package lists... 65s Building dependency tree... 65s Reading state information... 65s Solving dependencies... 65s 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. 68s autopkgtest [16:10:42]: testbed running kernel: Linux 6.19.0-3-generic #3-Ubuntu SMP PREEMPT_DYNAMIC Fri Jan 23 20:13:51 UTC 2026 68s autopkgtest [16:10:42]: @@@@@@@@@@@@@@@@@@@@ apt-source kdump-tools 69s Get:1 http://ftpmaster.internal/ubuntu resolute/main kdump-tools 1:1.10.7ubuntu2 (dsc) [1999 B] 69s Get:2 http://ftpmaster.internal/ubuntu resolute/main kdump-tools 1:1.10.7ubuntu2 (tar) [46.7 kB] 69s gpgv: Signature made Thu Sep 25 21:20:16 2025 UTC 69s gpgv: using RSA key D09F8A854F1055BCFC482C4B23566B906047AFC8 69s gpgv: Can't check signature: No public key 69s dpkg-source: warning: cannot verify inline signature for ./kdump-tools_1.10.7ubuntu2.dsc: no acceptable signature found 69s autopkgtest [16:10:43]: testing package kdump-tools version 1:1.10.7ubuntu2 70s autopkgtest [16:10:44]: build not needed 70s autopkgtest [16:10:44]: test crash: preparing testbed 70s Reading package lists... 70s Building dependency tree... 70s Reading state information... 70s Solving dependencies... 70s The following NEW packages will be installed: 70s kdump-tools kexec-tools 70s 0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded. 70s Need to get 130 kB of archives. 70s After this operation, 485 kB of additional disk space will be used. 70s Get:1 http://ftpmaster.internal/ubuntu resolute/main ppc64el kexec-tools ppc64el 1:2.0.31-1ubuntu2 [93.6 kB] 70s Get:2 http://ftpmaster.internal/ubuntu resolute/main ppc64el kdump-tools ppc64el 1:1.10.7ubuntu2 [36.7 kB] 71s Preconfiguring packages ... 71s Fetched 130 kB in 0s (7373 kB/s) 71s Selecting previously unselected package kexec-tools. 71s (Reading database ... (Reading database ... 5% (Reading database ... 10% (Reading database ... 15% (Reading database ... 20% (Reading database ... 25% (Reading database ... 30% (Reading database ... 35% (Reading database ... 40% (Reading database ... 45% (Reading database ... 50% (Reading database ... 55% (Reading database ... 60% (Reading database ... 65% (Reading database ... 70% (Reading database ... 75% (Reading database ... 80% (Reading database ... 85% (Reading database ... 90% (Reading database ... 95% (Reading database ... 100% (Reading database ... 122003 files and directories currently installed.) 71s Preparing to unpack .../kexec-tools_1%3a2.0.31-1ubuntu2_ppc64el.deb ... 71s Unpacking kexec-tools (1:2.0.31-1ubuntu2) ... 71s Selecting previously unselected package kdump-tools. 71s Preparing to unpack .../kdump-tools_1%3a1.10.7ubuntu2_ppc64el.deb ... 71s Unpacking kdump-tools (1:1.10.7ubuntu2) ... 71s Setting up kexec-tools (1:2.0.31-1ubuntu2) ... 71s Generating /etc/default/kexec... 71s Setting up kdump-tools (1:1.10.7ubuntu2) ... 71s Creating config file /etc/default/kdump-tools with new version 72s Sourcing file `/etc/default/grub' 72s Sourcing file `/etc/default/grub.d/50-cloudimg-settings.cfg' 72s Sourcing file `/etc/default/grub.d/kdump-tools.cfg' 72s Generating grub configuration file ... 72s Found linux image: /boot/vmlinux-6.19.0-3-generic 72s Found initrd image: /boot/initrd.img-6.19.0-3-generic 72s Found linux image: /boot/vmlinux-6.18.0-9-generic 72s Found initrd image: /boot/initrd.img-6.18.0-9-generic 73s Warning: os-prober will not be executed to detect other bootable partitions. 73s Systems on them will not be added to the GRUB boot configuration. 73s Check GRUB_DISABLE_OS_PROBER documentation entry. 73s Adding boot menu entry for UEFI Firmware Settings ... 73s done 73s Created symlink '/etc/systemd/system/basic.target.wants/kdump-tools.service' → '/usr/lib/systemd/system/kdump-tools.service'. 74s kdump-tools-dump.service is a disabled or a static unit, not starting it. 74s Processing triggers for man-db (2.13.1-1build1) ... 74s Processing triggers for initramfs-tools (0.150ubuntu7) ... 74s update-initramfs: Generating /boot/initrd.img-6.19.0-3-generic 86s autopkgtest [16:11:00]: test crash: [----------------------- 86s kdump-tools: crash test: rebooting to have crashkernel on cmdline 86s Killed 87s autopkgtest [16:11:01]: test process requested reboot with marker crashkernel 130s kdump-tools: crash test: checking for crashkernel 130s kdump-tools: crash test: checking crash kernel size 130s kdump-tools: crash test: waiting for kdump-tools systemd service 130s active 130s active 130s active 130s kdump-tools: crash test: checking kdump-config status 130s Killed 130s autopkgtest [16:11:44]: test process requested preparation for reboot with marker crash 130s autopkgtest-virt-ssh [16:11:44]: state saved, waiting for testbed to reboot... 191s kdump-tools: crash test: checking for crash file 191s kdump-tools: crash test: file /var/crash/202602091611/vmcore.202602091611: /var/crash/202602091611/vmcore.202602091611: ELF 64-bit LSB core file, 64-bit PowerPC or cisco 7500, Unspecified or Power ELF V1 ABI, version 1 (SYSV), SVR4-style 191s kdump-tools: crash test: Found core file at /var/crash/202602091611/vmcore.202602091611 191s autopkgtest [16:12:45]: test crash: -----------------------] 192s crash PASS 192s autopkgtest [16:12:46]: test crash: - - - - - - - - - - results - - - - - - - - - - 192s autopkgtest [16:12:46]: test crash+makedumpfile: preparing testbed 211s Creating nova instance adt-resolute-ppc64el-kdump-tools-20260209-155029-juju-7f2275-prod-proposed-migration-environment-15-c1f4ef4e-5876-487c-a35e-5fd4bbac2dd6 from image adt/ubuntu-resolute-ppc64el-server-20260209.img (UUID f7f31435-4cd1-4090-aa55-59cfefa097ca)... 264s autopkgtest [16:13:58]: testbed dpkg architecture: ppc64el 265s autopkgtest [16:13:59]: testbed apt version: 3.1.15 269s autopkgtest [16:14:03]: @@@@@@@@@@@@@@@@@@@@ test bed setup 273s autopkgtest [16:14:07]: testbed release detected to be: resolute 278s autopkgtest [16:14:12]: updating testbed package index (apt update) 281s Get:1 http://ftpmaster.internal/ubuntu resolute-proposed InRelease [124 kB] 281s Hit:2 http://ftpmaster.internal/ubuntu resolute InRelease 281s Hit:3 http://ftpmaster.internal/ubuntu resolute-updates InRelease 282s Hit:4 http://ftpmaster.internal/ubuntu resolute-security InRelease 282s Get:5 http://ftpmaster.internal/ubuntu resolute-proposed/restricted Sources [2744 B] 282s Get:6 http://ftpmaster.internal/ubuntu resolute-proposed/universe Sources [1622 kB] 282s Get:7 http://ftpmaster.internal/ubuntu resolute-proposed/multiverse Sources [29.4 kB] 282s Get:8 http://ftpmaster.internal/ubuntu resolute-proposed/main Sources [173 kB] 282s Get:9 http://ftpmaster.internal/ubuntu resolute-proposed/main ppc64el Packages [238 kB] 282s Get:10 http://ftpmaster.internal/ubuntu resolute-proposed/universe ppc64el Packages [1509 kB] 282s Get:11 http://ftpmaster.internal/ubuntu resolute-proposed/multiverse ppc64el Packages [19.4 kB] 282s Fetched 3718 kB in 1s (3460 kB/s) 284s Reading package lists... 286s Hit:1 http://ftpmaster.internal/ubuntu resolute-proposed InRelease 286s Hit:2 http://ftpmaster.internal/ubuntu resolute InRelease 286s Hit:3 http://ftpmaster.internal/ubuntu resolute-updates InRelease 286s Hit:4 http://ftpmaster.internal/ubuntu resolute-security InRelease 287s Reading package lists... 287s Reading package lists... 287s Building dependency tree... 287s Reading state information... 287s Calculating upgrade... 287s The following packages will be upgraded: 287s cryptsetup-bin dracut-install libcryptsetup12 linux-base 287s linux-sysctl-defaults 287s 5 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. 287s Need to get 742 kB of archives. 287s After this operation, 3072 B of additional disk space will be used. 287s Get:1 http://ftpmaster.internal/ubuntu resolute/main ppc64el libcryptsetup12 ppc64el 2:2.8.0-1ubuntu3 [404 kB] 287s Get:2 http://ftpmaster.internal/ubuntu resolute-proposed/main ppc64el linux-sysctl-defaults all 4.15ubuntu1 [6792 B] 287s Get:3 http://ftpmaster.internal/ubuntu resolute/main ppc64el cryptsetup-bin ppc64el 2:2.8.0-1ubuntu3 [250 kB] 287s Get:4 http://ftpmaster.internal/ubuntu resolute/main ppc64el dracut-install ppc64el 109-11ubuntu1 [51.3 kB] 287s Get:5 http://ftpmaster.internal/ubuntu resolute-proposed/main ppc64el linux-base all 4.15ubuntu1 [30.6 kB] 288s dpkg-preconfigure: unable to re-open stdin: No such file or directory 288s Fetched 742 kB in 0s (12.1 MB/s) 289s (Reading database ... (Reading database ... 5% (Reading database ... 10% (Reading database ... 15% (Reading database ... 20% (Reading database ... 25% (Reading database ... 30% (Reading database ... 35% (Reading database ... 40% (Reading database ... 45% (Reading database ... 50% (Reading database ... 55% (Reading database ... 60% (Reading database ... 65% (Reading database ... 70% (Reading database ... 75% (Reading database ... 80% (Reading database ... 85% (Reading database ... 90% (Reading database ... 95% (Reading database ... 100% (Reading database ... 122003 files and directories currently installed.) 289s Preparing to unpack .../libcryptsetup12_2%3a2.8.0-1ubuntu3_ppc64el.deb ... 289s Unpacking libcryptsetup12:ppc64el (2:2.8.0-1ubuntu3) over (2:2.8.0-1ubuntu2) ... 289s Preparing to unpack .../linux-sysctl-defaults_4.15ubuntu1_all.deb ... 289s Unpacking linux-sysctl-defaults (4.15ubuntu1) over (4.14ubuntu2) ... 289s Preparing to unpack .../cryptsetup-bin_2%3a2.8.0-1ubuntu3_ppc64el.deb ... 289s Unpacking cryptsetup-bin (2:2.8.0-1ubuntu3) over (2:2.8.0-1ubuntu2) ... 289s Preparing to unpack .../dracut-install_109-11ubuntu1_ppc64el.deb ... 289s Unpacking dracut-install (109-11ubuntu1) over (109-9ubuntu1) ... 289s Preparing to unpack .../linux-base_4.15ubuntu1_all.deb ... 289s Unpacking linux-base (4.15ubuntu1) over (4.14ubuntu2) ... 290s Setting up linux-base (4.15ubuntu1) ... 290s Setting up linux-sysctl-defaults (4.15ubuntu1) ... 290s Setting up dracut-install (109-11ubuntu1) ... 290s Setting up libcryptsetup12:ppc64el (2:2.8.0-1ubuntu3) ... 290s Setting up cryptsetup-bin (2:2.8.0-1ubuntu3) ... 290s Processing triggers for systemd (259-1ubuntu3) ... 290s Processing triggers for man-db (2.13.1-1build1) ... 293s Processing triggers for procps (2:4.0.4-9ubuntu1) ... 293s Processing triggers for libc-bin (2.42-2ubuntu4) ... 293s autopkgtest [16:14:27]: upgrading testbed (apt dist-upgrade and autopurge) 294s Reading package lists... 294s Building dependency tree... 294s Reading state information... 294s Calculating upgrade... 294s 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. 294s Reading package lists... 295s Building dependency tree... 295s Reading state information... 295s Solving dependencies... 295s 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. 300s Reading package lists... 300s Building dependency tree... 300s Reading state information... 300s Solving dependencies... 300s The following NEW packages will be installed: 300s kdump-tools kexec-tools makedumpfile 300s 0 upgraded, 3 newly installed, 0 to remove and 0 not upgraded. 300s Need to get 303 kB of archives. 300s After this operation, 1053 kB of additional disk space will be used. 300s Get:1 http://ftpmaster.internal/ubuntu resolute/main ppc64el kexec-tools ppc64el 1:2.0.31-1ubuntu2 [93.6 kB] 300s Get:2 http://ftpmaster.internal/ubuntu resolute/main ppc64el kdump-tools ppc64el 1:1.10.7ubuntu2 [36.7 kB] 300s Get:3 http://ftpmaster.internal/ubuntu resolute/main ppc64el makedumpfile ppc64el 1:1.7.7-1 [173 kB] 300s Preconfiguring packages ... 300s Fetched 303 kB in 0s (3705 kB/s) 300s Selecting previously unselected package kexec-tools. 300s (Reading database ... (Reading database ... 5% (Reading database ... 10% (Reading database ... 15% (Reading database ... 20% (Reading database ... 25% (Reading database ... 30% (Reading database ... 35% (Reading database ... 40% (Reading database ... 45% (Reading database ... 50% (Reading database ... 55% (Reading database ... 60% (Reading database ... 65% (Reading database ... 70% (Reading database ... 75% (Reading database ... 80% (Reading database ... 85% (Reading database ... 90% (Reading database ... 95% (Reading database ... 100% (Reading database ... 122003 files and directories currently installed.) 300s Preparing to unpack .../kexec-tools_1%3a2.0.31-1ubuntu2_ppc64el.deb ... 300s Unpacking kexec-tools (1:2.0.31-1ubuntu2) ... 300s Selecting previously unselected package kdump-tools. 300s Preparing to unpack .../kdump-tools_1%3a1.10.7ubuntu2_ppc64el.deb ... 300s Unpacking kdump-tools (1:1.10.7ubuntu2) ... 301s Selecting previously unselected package makedumpfile. 301s Preparing to unpack .../makedumpfile_1%3a1.7.7-1_ppc64el.deb ... 301s Unpacking makedumpfile (1:1.7.7-1) ... 301s Setting up makedumpfile (1:1.7.7-1) ... 301s Setting up kexec-tools (1:2.0.31-1ubuntu2) ... 301s Generating /etc/default/kexec... 301s Setting up kdump-tools (1:1.10.7ubuntu2) ... 301s Creating config file /etc/default/kdump-tools with new version 301s Sourcing file `/etc/default/grub' 301s Sourcing file `/etc/default/grub.d/50-cloudimg-settings.cfg' 301s Sourcing file `/etc/default/grub.d/kdump-tools.cfg' 301s Generating grub configuration file ... 302s Found linux image: /boot/vmlinux-6.19.0-3-generic 302s Found initrd image: /boot/initrd.img-6.19.0-3-generic 302s Found linux image: /boot/vmlinux-6.18.0-9-generic 302s Found initrd image: /boot/initrd.img-6.18.0-9-generic 302s Warning: os-prober will not be executed to detect other bootable partitions. 302s Systems on them will not be added to the GRUB boot configuration. 302s Check GRUB_DISABLE_OS_PROBER documentation entry. 302s Adding boot menu entry for UEFI Firmware Settings ... 302s done 303s Created symlink '/etc/systemd/system/basic.target.wants/kdump-tools.service' → '/usr/lib/systemd/system/kdump-tools.service'. 304s kdump-tools-dump.service is a disabled or a static unit, not starting it. 304s Processing triggers for man-db (2.13.1-1build1) ... 304s Processing triggers for initramfs-tools (0.150ubuntu7) ... 304s update-initramfs: Generating /boot/initrd.img-6.19.0-3-generic 315s autopkgtest [16:14:49]: test crash+makedumpfile: [----------------------- 315s kdump-tools: crash test: rebooting to have crashkernel on cmdline 315s Killed 315s autopkgtest [16:14:49]: test process requested reboot with marker crashkernel 356s kdump-tools: crash test: checking for crashkernel 356s kdump-tools: crash test: checking crash kernel size 356s kdump-tools: crash test: waiting for kdump-tools systemd service 356s active 356s active 356s active 356s kdump-tools: crash test: checking kdump-config status 356s Killed 357s autopkgtest [16:15:31]: test process requested preparation for reboot with marker crash 382s : failure: (down) ['/bin/sh', '-ec', "for d in /var/cache /home; do if [ -w $d ]; then /bin/tar --warning=none --create --absolute-names -f $d/autopkgtest-tmpdir.tar '/tmp/autopkgtest.MFrHqT'; /bin/rm -f /run/autopkgtest-reboot-prepare-mark; exit 0; fi; done; exit 1"] failed (exit status 255, stderr '') 382s autopkgtest [16:15:56]: ERROR: testbed failure: eof from the virtualisation server