Hi, On Tue, Jun 11, 2019 at 08:46:45AM -0400, Qian Cai wrote: > > > On Jun 11, 2019, at 8:41 AM, Mike Rapoport <rppt@xxxxxxxxxxxxx> wrote: > > > > Sorry for the delay, I'm mostly offline these days. > > > > I wanted to understand first what is the reason for the failure. I've tried > > to reproduce it with qemu, but I failed to find a bootable configuration > > that will have PGD_SIZE != PAGE_SIZE :( > > > > Qian Cai, can you share what is your environment and the kernel config? > > https://raw.githubusercontent.com/cailca/linux-mm/master/arm64.config > > # lscpu > Architecture: aarch64 > Byte Order: Little Endian > CPU(s): 256 > On-line CPU(s) list: 0-255 > Thread(s) per core: 4 > Core(s) per socket: 32 > Socket(s): 2 > NUMA node(s): 2 > Vendor ID: Cavium > Model: 1 > Model name: ThunderX2 99xx > Stepping: 0x1 > BogoMIPS: 400.00 > L1d cache: 32K > L1i cache: 32K > L2 cache: 256K > L3 cache: 32768K > NUMA node0 CPU(s): 0-127 > NUMA node1 CPU(s): 128-255 > Flags: fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics cpuid asimdrdm > > # dmidecode > Handle 0x0001, DMI type 1, 27 bytes > System Information > Manufacturer: HPE > Product Name: Apollo 70 > Version: X1 > Wake-up Type: Power Switch > Family: CN99XX > Can you please also send the entire log when the failure happens? Another question, is the problem exist with PGD_SIZE == PAGE_SIZE? -- Sincerely yours, Mike.
