Hello everyone,

I saw that there where several patches in the past and it seemed
better, but we're phasing again issues with this problem in the CI/CD
pipeline.

We are currently on the 0.10 isar version.

2025-08-05 19:44:23 - INFO     - | update-alternatives: using /bin/mt-
gnu to provide /bin/mt (mt) in auto mode
2025-08-05 19:44:23 - INFO     - | Processing triggers for man-db
(2.11.2-2) ...
2025-08-05 19:44:23 - INFO     - | 606473 blocks
2025-08-05 19:44:23 - INFO     - | E: 10mount: umount:
/run/schroot/mount/isar-builder-422f34fc-0228-432e-89c2-dcb36197702b-
388848-c8bce6c5-6eb2-444d-bafc-b94069fd47dc/home/builder/audis-lpe-
rescue-debug-lpe9403-std/deploy: target is busy.
2025-08-05 19:44:23 - INFO     - | E: 10mount: umount:
/run/schroot/mount/isar-builder-422f34fc-0228-432e-89c2-dcb36197702b-
388848-c8bce6c5-6eb2-444d-bafc-b94069fd47dc: target is busy.
2025-08-05 19:44:23 - INFO     - | E: 10mount: rmdir: failed to remove
'/var/run/schroot/mount/isar-builder-422f34fc-0228-432e-89c2-
dcb36197702b-388848-c8bce6c5-6eb2-444d-bafc-b94069fd47dc': Device or
resource busy
2025-08-05 19:44:23 - INFO     - | E: isar-builder-422f34fc-0228-432e-
89c2-dcb36197702b-388848-c8bce6c5-6eb2-444d-bafc-b94069fd47dc: Chroot
setup failed: stage=setup-stop
2025-08-05 19:44:23 - INFO     - NOTE: recipe rescue-debug-1.0-r0: task
do_image_cpio: Failed
2025-08-05 19:44:23 - ERROR    - ERROR: Task (/build/../work/lpe9403-
base/recipes-core/images/audis-lpe-rescue-debug.bb:do_image_cpio)
failed with exit code '1'

2025-08-05 21:06:41 - INFO     - | Processing triggers for man-db
(2.11.2-2) ...
2025-08-05 21:06:41 - INFO     - | tune2fs 1.47.0 (5-Feb-2023)
2025-08-05 21:06:41 - INFO     - | E: 10mount: umount:
/run/schroot/mount/isar-builder-7acbebe3-8b26-4def-abd5-a48d19ef4673-
1166849-61509bf3-3372-41e4-ba7d-1d13acb5fa42: target is busy.
2025-08-05 21:06:41 - INFO     - | E: 10mount: rmdir: failed to remove
'/var/run/schroot/mount/isar-builder-7acbebe3-8b26-4def-abd5-
a48d19ef4673-1166849-61509bf3-3372-41e4-ba7d-1d13acb5fa42': Device or
resource busy
2025-08-05 21:06:41 - INFO     - | E: isar-builder-7acbebe3-8b26-4def-
abd5-a48d19ef4673-1166849-61509bf3-3372-41e4-ba7d-1d13acb5fa42: Chroot
setup failed: stage=setup-stop
2025-08-05 21:06:41 - INFO     - NOTE: recipe image-debug-1.0-r0: task
do_image_ext4: Failed
2025-08-05 21:06:41 - ERROR    - ERROR: Task (/build/../repo/recipes-
core/images/audis-lpe-image-debug.bb:do_image_ext4) failed with exit
code '1'

bg Sven

On Fri, 2024-07-12 at 10:04 +0300, Anton Mikanovich wrote:
> Hello Gökhan,
> 
> I've found an issue with isar-apt usage without lock protection in
> deb_dl_dir_export and imager_run implementations. This can influence
> on 
> umount
> issues you've observed, so please try the fix from patchset:
> 
> [PATCH 0/2] Protect isar-apt usages in shell
> 

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