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SubjectRe: [PATCH] modules: CONFIG_MODULE_COMPRESS: add hint that userspace support may easily be missing.
On Wed, Jun 3, 2015 at 2:36 PM, Kay Sievers <kay@vrfy.org> wrote:
> On Wed, Jun 3, 2015 at 7:30 PM, Lucas De Marchi
> <lucas.de.marchi@gmail.com> wrote:
>> On Mon, Jun 1, 2015 at 3:26 AM, Rusty Russell <rusty@rustcorp.com.au> wrote:
>>> Andreas Mohr <andi@lisas.de> writes:
>>>> Hi,
>>>>
>>>> I just had a not so nice experience
>>>> when finally upgrading to a new 4.1-rc5
>>>> with CONFIG_MODULE_COMPRESS newly enabled -
>>>> userspace binary parts (kmod 18 or 20 in my case)
>>>> did not have compression enabled
>>>> (at least on Debian 8pre, vs. encountering it enabled on FC21)
>>>> since it does not seem to be
>>>> the default build configuration of kmod (yet?).
>>>
>>> Sure. Let's get the maintainers to insert the actual version required
>>> in the help text though.
>>
>> kmod supports gz since the first version and xz since version 3. So both
>> of them can be safely fall into "it's supported since the beginning of
>> kmod IMO".
>>
>> Regarding the "default configuration", there's no such thing. Each distribution
>> uses a different one.
>
> You could add something similar to this:
>
> $ /usr/lib/systemd/systemd --version
> systemd 220
> +PAM +AUDIT +SELINUX +IMA -APPARMOR +SMACK +SYSVINIT +UTMP
> +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ -LZ4 +SECCOMP +BLKID +ELFUTILS
> +KMOD +IDN

Indeed. I'm planning to do a release very soon and add something like
this to it. If anyone is
interested in contributing such patch it's very welcome, too :-)

--
Lucas De Marchi


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