LXC Containers fail to start

E

evilsync

New Member
Jul 26, 2025
8
0
1
Hi all,

My containers have stopped working for some reason. Not sure if anyone can give advice on how to fix?

Code: 
run_buffer: 571 Script exited with status 25
lxc_init: 845 Failed to run lxc.hook.pre-start for container "100"
__lxc_start: 2034 Failed to initialize container "100"
TASK ERROR: startup for container '100' failed

Code: 
root@proxmox:~# pct config 100
arch: amd64
cores: 1
features: nesting=1
hostname: pihole
memory: 1500
net0: name=eth0,bridge=vmbr0,firewall=1,hwaddr=9E:E4:3D:D4:31:47,ip=dhcp,type=veth
onboot: 1
ostype: debian
rootfs: local-lvm:vm-100-disk-0,size=10G
startup: order=2,up=10
swap: 512
tags: debian;pihole
unprivileged: 1

Code: 
root@proxmox:~# lxc-start -n 100 -F -l DEBUG -o /tmp/lxc-CT100.log
lxc-start: 100: ../src/lxc/utils.c: run_buffer: 571 Script exited with status 25
lxc-start: 100: ../src/lxc/start.c: lxc_init: 845 Failed to run lxc.hook.pre-start for container "100"
lxc-start: 100: ../src/lxc/start.c: __lxc_start: 2034 Failed to initialize container "100"
lxc-start: 100: ../src/lxc/tools/lxc_start.c: lxc_start_main: 307 The container failed to start
lxc-start: 100: ../src/lxc/tools/lxc_start.c: lxc_start_main: 312 Additional information can be obtained by setting the --logfile and --logpriority options

Code: 
lxc-start 101 20250914062226.120 INFO     lsm - ../src/lxc/lsm/lsm.c:lsm_init_static:38 - Initialized LSM security driver AppArmor
lxc-start 101 20250914062226.120 INFO     utils - ../src/lxc/utils.c:run_script_argv:587 - Executing script "/usr/share/lxc/hooks/lxc-pve-prestart-hook" for container "101", config section "lxc"
lxc-start 101 20250914062226.781 DEBUG    utils - ../src/lxc/utils.c:run_buffer:560 - Script exec /usr/share/lxc/hooks/lxc-pve-prestart-hook 101 lxc pre-start produced output: unsupported debian version '13.1'

lxc-start 101 20250914062226.792 ERROR    utils - ../src/lxc/utils.c:run_buffer:571 - Script exited with status 25
lxc-start 101 20250914062226.792 ERROR    start - ../src/lxc/start.c:lxc_init:845 - Failed to run lxc.hook.pre-start for container "101"
lxc-start 101 20250914062226.792 ERROR    start - ../src/lxc/start.c:__lxc_start:2034 - Failed to initialize container "101"
lxc-start 101 20250914062226.792 INFO     utils - ../src/lxc/utils.c:run_script_argv:587 - Executing script "/usr/share/lxc/hooks/lxc-pve-poststop-hook" for container "101", config section "lxc"
lxc-start 101 20250914062227.250 INFO     utils - ../src/lxc/utils.c:run_script_argv:587 - Executing script "/usr/share/lxcfs/lxc.reboot.hook" for container "101", config section "lxc"
lxc-start 101 20250914062227.752 ERROR    lxc_start - ../src/lxc/tools/lxc_start.c:lxc_start_main:307 - The container failed to start
lxc-start 101 20250914062227.752 ERROR    lxc_start - ../src/lxc/tools/lxc_start.c:lxc_start_main:312 - Additional information can be obtained by setting the --logfile and --logpriority options
lxc-start 100 20250914062239.263 INFO     confile - ../src/lxc/confile.c:set_config_idmaps:2273 - Read uid map: type u nsid 0 hostid 100000 range 65536
lxc-start 100 20250914062239.263 INFO     confile - ../src/lxc/confile.c:set_config_idmaps:2273 - Read uid map: type g nsid 0 hostid 100000 range 65536
lxc-start 100 20250914062239.263 INFO     lsm - ../src/lxc/lsm/lsm.c:lsm_init_static:38 - Initialized LSM security driver AppArmor
lxc-start 100 20250914062239.263 INFO     utils - ../src/lxc/utils.c:run_script_argv:587 - Executing script "/usr/share/lxc/hooks/lxc-pve-prestart-hook" for container "100", config section "lxc"
lxc-start 100 20250914062239.705 DEBUG    utils - ../src/lxc/utils.c:run_buffer:560 - Script exec /usr/share/lxc/hooks/lxc-pve-prestart-hook 100 lxc pre-start produced output: unsupported debian version '13.1'

lxc-start 100 20250914062239.713 ERROR    utils - ../src/lxc/utils.c:run_buffer:571 - Script exited with status 25
lxc-start 100 20250914062239.713 ERROR    start - ../src/lxc/start.c:lxc_init:845 - Failed to run lxc.hook.pre-start for container "100"
lxc-start 100 20250914062239.713 ERROR    start - ../src/lxc/start.c:__lxc_start:2034 - Failed to initialize container "100"
lxc-start 100 20250914062239.713 INFO     utils - ../src/lxc/utils.c:run_script_argv:587 - Executing script "/usr/share/lxc/hooks/lxc-pve-poststop-hook" for container "100", config section "lxc"
lxc-start 100 20250914062240.862 INFO     utils - ../src/lxc/utils.c:run_script_argv:587 - Executing script "/usr/share/lxcfs/lxc.reboot.hook" for container "100", config section "lxc"
lxc-start 100 20250914062240.588 ERROR    lxc_start - ../src/lxc/tools/lxc_start.c:lxc_start_main:307 - The container failed to start
lxc-start 100 20250914062240.588 ERROR    lxc_start - ../src/lxc/tools/lxc_start.c:lxc_start_main:312 - Additional information can be obtained by setting the --logfile and --logpriority options

Thank you
 
Correct. I'm not sure if there's plans to backport this fix to PVE 8 if not already. I don't have any PVE 8 installations to test.
 
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