Re: [gentoo-user] gentoo-sources-5.10.103 - will not boot

[Steve Wilson]

On 13/03/2022 22:26, thelma@×××××××××××.com wrote:
> On 3/13/22 14:34, Neil Bothwick wrote:
>> On Sun, 13 Mar 2022 14:04:59 -0600, thelma@×××××××××××.com wrote:
>>
>>> On 3/13/22 13:21, thelma@×××××××××××.com wrote:
>>>> Upgraded to: gentoo-sources-5.10.103
>>>> and kernel will not boot, not even recovery mode.
>>>>
>>>> I'm getting some strange looping/scrolling message on the screen:
>>>>
>>>> Kscan: watching read  1  fsk983s....
>>>>
>>>> I followed standard procedure:
>>>>
>>>> emerge -avq =sys-kernel/gentoo-sources-5.10.103
>>>> cd /usr/src/
>>>> eselect kernel set 3  (this is: linux -> linux-5.10.103-gentoo)
>>>> cd linux
>>>> cp ../linux-old_kernel/.config .
>>>> mount /boot/
>>>>
>>>> make oldconfig
>>>> make
>>>> make modules_prepare
>>>> make modules_install
>>>> make install
>>>>
>>>> grub-mkconfig -o /boot/grub/grub.cfg
>>>> reboot
>>>>
>>>> ( did the same on my other boxes and this kernel is booting OK on
>>>> other installations)
>>>
>>> Solved.
>>
>> Please post the solution. Otherwise anyone with a similar problem
>> searching for an answer will find only the question and a tease that it
>> can be fixed but not telling how.
>
> Simple human error :-/
>
> When I did:
> cd linux
> cp ../linux-old_kernel/.config .
> mount /boot/
> make oldconfig
>
> New entries showed up. Instead of pressing "enter" I made a mistake
> and press "Y" several times.
> This enabled some feature in the new kernel that shouldn't be there;
> example: "CONFIG_KCSAN = y"
>
> Redoing the process just by hitting "enter" soled the problem; new
> kernel boot as it should.
>
make olddefconfig will the same as oldconfig while picking the defaults, 
this will save on hitting enter each time.

Steve