Step "only the expected files are present on the persistence partition" sometimes fails: guestfs fails to find partition

spawning as root: poweroff And I shutdown Tails and wait for the computer to power off # features/step_definitions/common_steps.rb:588 libguestfs: trace: set_autosync true libguestfs: trace: set_autosync = 0 libguestfs: trace: add_drive "/tmp/TailsToaster/TailsToasterStorage/__internal" "readonly:true" "format:qcow2" libguestfs: trace: get_tmpdir libguestfs: trace: get_tmpdir = "/tmp/TailsToaster" libguestfs: trace: disk_create "/tmp/TailsToaster/libguestfsF652bA/overlay1" "qcow2" -1 "backingfile:/tmp/TailsToaster/TailsToasterStorage/__internal" "backingformat:qcow2" libguestfs: trace: disk_create = 0 libguestfs: trace: add_drive = 0 libguestfs: trace: launch libguestfs: trace: get_backend_setting "force_tcg" libguestfs: trace: get_backend_setting = NULL (error) libguestfs: trace: get_cachedir libguestfs: trace: get_cachedir = "/tmp/TailsToaster" libguestfs: trace: get_backend_setting "gdb" libguestfs: trace: get_backend_setting = NULL (error) libguestfs: trace: launch = 0 libguestfs: trace: list_devices libguestfs: trace: list_devices = ["/dev/sda"] libguestfs: trace: part_list "/dev/sda" libguestfs: trace: part_list = <struct guestfs_partition_list *> libguestfs: trace: blkid "/dev/sda1" libguestfs: trace: blkid = NULL (error) libguestfs: trace: close libguestfs: trace: internal_autosync libguestfs: trace: internal_autosync = 0 Then only the expected files are present on the persistence partition on USB drive "__internal" # features/step_definitions/usb.rb:578 blkid: blkid_stub: /dev/sda1: No such file or directory (Guestfs::Error) ./features/step_definitions/usb.rb:592:in blkid' ./features/step_definitions/usb.rb:592:in block (3 levels) in <top (required)>' ./features/step_definitions/usb.rb:591:in each' ./features/step_definitions/usb.rb:591:in find' ./features/step_definitions/usb.rb:591:in block (2 levels) in <top (required)>' ./features/support/helpers/storage_helper.rb:212:in guestfs_disk_helper' ./features/step_definitions/usb.rb:587:in /^only the expected files are present on the persistence partition on USB drive "([^"]+)"$/' features/persistence.feature:32:in Then only the expected files are present on the persistence partition on USB drive "__internal"' Given I start Tails from USB drive "__internal" with network unplugged and I login with read-only persistence enabled # features/step_definitions/common_steps.rb:217 And the network is plugged # features/step_definitions/common_steps.rb:159 And Tor is ready # features/step_definitions/common_steps.rb:432 Then Tails is running from USB drive "__internal" # features/step_definitions/usb.rb:408 And the boot device has safe access rights # features/step_definitions/usb.rb:428 And all persistence presets are enabled # features/step_definitions/usb.rb:350 And I switch to the "persistent-con" NetworkManager connection # features/step_definitions/common_steps.rb:663 And there is no GNOME bookmark for the persistent Tor Browser directory # features/step_definitions/common_steps.rb:768 And I write some files not expected to persist # features/step_definitions/usb.rb:542 And I remove some files expected to persist # features/step_definitions/usb.rb:534 And I take note of which persistence presets are available # features/step_definitions/usb.rb:550 And I shutdown Tails and wait for the computer to power off # features/step_definitions/common_steps.rb:588 Then only the expected files are present on the persistence partition on USB drive "__internal" # features/step_definitions/usb.rb:578 Scenario failed at time 02:27:19

Parent Task: #10288

Original created by @intrigeri on 12044 (Redmine)