On 18-12-2016 11:49, Jiri Slaby wrote: > On 12/18/2016, 12:59 AM, Linus Torvalds wrote: >> On Sat, Dec 17, 2016 at 12:57 AM, Jiri Slaby <jslaby@xxxxxxx> wrote: >>> >>> Yes, disk drivers won't load: >>> [ 2.141973] virtio_pci: disagrees about version of symbol mcount >>> [ 2.144415] virtio_pci: Unknown symbol mcount (err -22) >> >> This makes no sense. >> >> mcount isn't even one of the symbols that the patch by Adam is touching. > > asm-prototypes.h in his patch includes asm/ftrace.h, where the function > is declared. That should be enough IIUC scripts/Makefile.build. > >> There's something else screwed up here. Not to mention that others >> don't have your issue. > > I suppose people don't run i386 kernels or have different config. > >> Do you have some other hacks in this area? Are you testing actual >> plain 4.9, or do you (for example) still carry Arnd's patch around >> that turned out to not work (reverted by f27c2f69cc8e in my tree)? > > Not at all. This was plain 4.9 packaged by suse -- only rpm-related > fixes. I tried plain 4.9 without rpm right now with the same output: > # insmod soundcore.ko > [ 31.582326] soundcore: disagrees about version of symbol mcount > [ 31.586183] soundcore: Unknown symbol mcount (err -22) > insmod: ERROR: could not insert module soundcore.ko: Invalid parameters I hit an mcount issue a while back (years?) which was due to building a driver with gcc v4.x while kernel was built using gcc v4.y. Not claiming that is your issue though. Regards, Arend -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
