Re: slow boot with 7fef431be9c9 ("mm/page_alloc: place pages to tail in __free_pages_core()")

[David Hildenbrand]

On 16.03.21 12:02, Liang, Liang (Leo) wrote:
> [AMD Public Use]
>
> Hi David and Mike,
>
> It's BIOS buggy. Now fixed by new BIOS. Thanks you so much! Cheers!
>
> [    0.000034] MTRR variable ranges enabled:
> [    0.000035]   0 base 000000000000 mask FFFF80000000 write-back
> [    0.000037]   1 base 0000FFE00000 mask FFFFFFE00000 write-protect
> [    0.000039]   2 base 0000FFDE0000 mask FFFFFFFE0000 write-protect
> [    0.000040]   3 base 0000FF000000 mask FFFFFFF80000 write-protect
> [    0.000041]   4 disabled
> [    0.000042]   5 disabled
> [    0.000043]   6 disabled
> [    0.000044]   7 disabled
> [    0.000045] TOM2: 0000000280000000 aka 10240M
>
> root@scbu-Chachani:/home/scbu# cat /proc/mtrr
> reg00: base=0x000000000 (    0MB), size= 2048MB, count=1: write-back
> reg01: base=0x0ffe00000 ( 4094MB), size=    2MB, count=1: write-protect
> reg02: base=0x0ffde0000 ( 4093MB), size=  128KB, count=1: write-protect
> reg03: base=0x0ff000000 ( 4080MB), size=  512KB, count=1: write-protect

Great :)

(another latent BUG found with 7fef431be9c9 :) )

--
Thanks,

David / dhildenb