Match xz compression options to the ones used by the kernel, as the xz decoder used by the kernel supports only a subset of the xz format.
Bug: https://bugs.gentoo.org/920837 Signed-off-by: Michał Górny <mgo...@gentoo.org> --- eclass/linux-mod.eclass | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/eclass/linux-mod.eclass b/eclass/linux-mod.eclass index 26d8cac47ef0..c71ace53aa00 100644 --- a/eclass/linux-mod.eclass +++ b/eclass/linux-mod.eclass @@ -689,7 +689,9 @@ linux-mod_src_install() { # and similarly compress the module being built if != NONE. if linux_chkconfig_present MODULE_COMPRESS_XZ; then - xz -T$(makeopts_jobs) --memlimit-compress=50% -q ${modulename}.${KV_OBJ} || die "Compressing ${modulename}.${KV_OBJ} with xz failed" + # match kernel compression options for compatibility + # https://bugs.gentoo.org/920837 + xz -T$(makeopts_jobs) --memlimit-compress=50% -q --check=crc32 --lzma2=dict=1MiB ${modulename}.${KV_OBJ} || die "Compressing ${modulename}.${KV_OBJ} with xz failed" doins ${modulename}.${KV_OBJ}.xz KV_OBJ_COMPRESS_EXT=".xz" elif linux_chkconfig_present MODULE_COMPRESS_GZIP; then -- 2.43.0
