Package: autopkgtest Version: 5.39 Severity: normal Tags: patch Hi,
It appears that running autopkgtest-build-qemu on a sid system produces
unbootable images for bullseye LTS and older suites.
AFAICT that's because autopkgtest-build-qemu creates the guest's root
filestem using the host's mkfs.ext4(8), which by default enables the
‘orphan_file’ feature since e2fsprogs 1.47.0. That feature was added to
linux v5.15, so trying to use such an ext4 FS from an older kernel fails
with
/dev/vda1 has unsupported feature(s): FEATURE_C12
The attached trivial patch simply turns off ‘orphan_file’ when creating
the root file system for older target suites. Tested for jessie to
bullseye, but I suppose this could be useful for Ubuntu as well.
This is a no-op for bookworm or later targets.
Thanks for maintaining autopkgtest!
--
Guilhem.
--- a/autopkgtest-build-qemu
+++ b/autopkgtest-build-qemu
@@ -539,6 +539,8 @@
mkfs["options"] = "-O ^large_dir,^metadata_csum_seed"
if release in ('trusty', 'jessie'):
mkfs["options"] += ",^metadata_csum"
+ if release in ('jessie', 'stretch', 'buster', 'bullseye'):
+ mkfs["options"] += ",^orphan_file"
steps.append(mkfs)
steps.append(dict(mount='root'))
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