Using vanilla kernels headers to do backport testing -- issues with memcpy()

Luis R. Rodriguez mcgrof at
Thu Aug 9 03:30:33 UTC 2012

On Wed, Aug 8, 2012 at 5:43 AM, Ozan Çağlayan <ozancag at> wrote:
> On Tue, Aug 7, 2012 at 10:28 PM, Luis R. Rodriguez <mcgrof at> wrote:

>> mcgrof at garbanzo ~/compat (git::master)$ objdump -T
>> /home/mcgrof/compat-ksrc/lib/modules/3.4.4-030404-generic/build/scripts/genksyms/genksyms

<-- snip -->

>> Bleh:
>> 0000000000000000      DF *UND*  0000000000000000  GLIBC_2.14  memcpy

<-- snip -->

> Can't we just rebuild genksyms in compat? I already have glibc 2.15 on
> my system so I can't test this but normally this should adapt to the
> build environment as it rebuilds and relinks the binary.

Indeed! Implemented and pushed upstream:

So if you run into this issue all you have to do now is run:

./bin/get-compat-kernels -r

New users of the script will automatically have this run after it
downloads and installs the kernel headers.

Case closed, thanks :)


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