Re: [GIT PULL] kbuild changes for v4.9-rc1

Jiri Slaby
2016-12-17T08:57:57Z

On 12/16/2016, 08:57 PM, Linus Torvalds wrote:
> On Fri, Dec 16, 2016 at 11:55 AM, Jiri Slaby <jslaby@suse.cz> wrote:
>>
>> what happened to this? I had to apply this to fix 4.9-pae kernel here.
>
> Did you actually have to do that?

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)
[ 2.164547] virtio_pci: disagrees about version of symbol mcount
[ 2.166309] virtio_pci: Unknown symbol mcount (err -22)
[ 2.180651] virtio_pci: disagrees about version of symbol mcount
[ 2.182823] virtio_pci: Unknown symbol mcount (err -22)
[ 2.210943] virtio_pci: disagrees about version of symbol mcount
[ 2.220097] virtio_pci: Unknown symbol mcount (err -22)
[ 2.220173] ata_piix: disagrees about version of symbol mcount
[ 2.220174] ata_piix: Unknown symbol mcount (err -22)

and whole machine gets stuck with systemd waiting for /dev/sd*.

> Because a missing CRC shouldn't be fatal in 4.9.
>
> What was the failure mode?

I am not sure what you mean? The kernel is rpm-ized 4.9 vanilla and this
is the config:
http://kernel.suse.com/cgit/kernel-source/tree/config/i386/default?h=stable

thanks,
--
js
suse labs