Re: [lkp] [x86_64] ef7f0d6a6c: BUG: kernel early-boot crashed early console in setup code

[Andrey Ryabinin]

2015-08-22 16:16 GMT+03:00 kernel test robot <ying.huang@xxxxxxxxx>:
> FYI, we noticed the below changes on
>
> git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> commit ef7f0d6a6ca8c9e4b27d78895af86c2fbfaeedb2 ("x86_64: add KASan support")
>
>
> +-----------------------------------------------------------+------------+------------+
> |                                                           | 786a895991 | ef7f0d6a6c |
> +-----------------------------------------------------------+------------+------------+
> | boot_successes                                            | 10         | 0          |
> | boot_failures                                             | 1          | 12         |
> | BUG:kernel_test_crashed                                   | 1          |            |
> | BUG:kernel_early-boot_crashed_early_console_in_setup_code | 0          | 12         |
> +-----------------------------------------------------------+------------+------------+
>
>
> This may related to the specific kernel configuration file, which is attached.
>

The combination of these 2 configs didn't work at some point:
       CONFIG_PHYSICAL_START=0x1000000
       CONFIG_KASAN=y

This was fixed in commit 5d5aa3cfca5cf74cd928daf3674642e6004328d1
("x86/kasan: Fix KASAN shadow region page tables")
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