15 Sep
2020
15 Sep
'20
5:24 p.m.
On Tue, Sep 15, 2020 at 7:28 AM Greg Kroah-Hartman gregkh@linuxfoundation.org wrote:
GCOV built with GCC 10 doesn't initialize n_function variable. This produces different kernel panics as was seen by Colin in Ubuntu and me in FC 32.
As a workaround, let's disable GCOV build for broken GCC 10 version.
Oh, Peter Oberparleiter actually figured out what was wrong, and we have commit 40249c696207 ("gcov: add support for GCC 10.1") upstream that enables it again with the fix for the changed semantics in gcc-10.
Linus