On 2/9/26 20:12, Ross Burton wrote:
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On 18 Dec 2025, at 13:48, Daniel Dragomir <[email protected]> wrote:
On 12/18/25 13:46, Paul Barker wrote:
On Thu, 2025-12-18 at 11:34 +0000, Paul Barker wrote:
On Thu, 2025-12-18 at 12:15 +0200, Dragomir, Daniel via
lists.openembedded.org wrote:
When wic is used in standalone mode, it relies on host tools such as
debugfs. For directory host->image copies into ext* partitions, wic
uses scripted debugfs "-f" input with multiple mkdir/write commands.
Older host debugfs versions (< 1.47) may behave unreliably in this
mode and can silently miss files. This does not affect builds using
debugfs from OE where the version is known to be sufficiently new.
Add a debugfs version check and emit a warning when an older host
debugfs is detected. The warning is shown once per run and does not
alter execution.
If the risk here is silently missing files, resulting in a corrupted
rootfs or worse, I think this should be a hard error.
Consider the case where someone relies on a device having a firewall
enabled, but /etc/nftables.conf is silently missed during construction
of the rootfs ext4 image. That could result in all ports being open.
This failure can only occur when copying directories into an already
created WIC image with an ext* partition. It does not affect image or
rootfs construction.
My understanding is that `wic cp` is a post-creation image manipulation
tool and is not used during rootfs generation or WIC image creation.
It is intended solely for modifying an existing WIC image without
mounting it.
Which can be done by people in production, so I agree with Paul: this should be
a fatal error, not a warning.
Ross
Understood. I'll send a new version of the patch with error instead warning.
Daniel
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