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

512KB, count=1: write-protect BRs, Leo -Original Message- From: Mike Rapoport Sent: Tuesday, March 16, 2021 6:30 PM To: David Hildenbrand Cc: Liang, Liang (Leo) ; Deucher, Alexander ; linux-kernel@vger.kernel.org; amd-gfx list ; Andrew Morton ; Huang, Ray ; Koenig, Christian ; Raf

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

=0x0ffde ( 4093MB), size= 128KB, count=1: write-protect reg04: base=0x0ff00 ( 4080MB), size= 512KB, count=1: write-protect BRs, Leo -Original Message- From: David Hildenbrand Sent: Tuesday, March 16, 2021 4:54 PM To: Liang, Liang (Leo) ; Mike Rapoport Cc: Deucher, Alexander ; linux

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

[AMD Public Use] Hi David, Thanks for your explanation. We saw slow boot issue on our farm/QA's machines and mine. All of machines are same SoC/board. BRs, Leo -Original Message- From: David Hildenbrand Sent: Tuesday, March 16, 2021 4:38 PM To: Liang, Liang (Leo) ; Mike Rapopor

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

[AMD Public Use] Hi Mike, Thanks for help. The patch works for me and boot time back to normal. So it's a fix, or just WA? BRs, Leo -Original Message- From: Mike Rapoport Sent: Tuesday, March 16, 2021 2:50 PM To: Liang, Liang (Leo) Cc: David Hildenbrand ; Deucher, Alexander ;

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

[AMD Public Use] Hi David, Which benchmark tool you prefer? Memtest86+ or else? BRs, Leo -Original Message- From: David Hildenbrand Sent: Saturday, March 13, 2021 12:47 AM To: Liang, Liang (Leo) ; Deucher, Alexander ; linux-kernel@vger.kernel.org; amd-gfx list ; Andrew Morton Cc