Hi guys, I just tried to boot next-20160104 with ARC AXS101 and it goes on a loop when freeing boot mem... (check log below). Regards, C.Palminha U-Boot 2015.10 (Nov 17 2015 - 19:28:48 +0100) I2C: ready DRAM: 512 MiB NAND: 512 MiB MMC: Synopsys Mobile storage: 0 In: serial0 at e0022000 Out: serial0 at e0022000 Err: serial0 at e0022000 Net: eth0: ethernet at e0018000 Hit any key to stop autoboot: 0 reading uImage 7774496 bytes read in 664 ms (11.2 MiB/s) ## Booting kernel from Legacy Image at 82000000 ... Image Name: Linux-4.4.0-rc7-next-20160104 Image Type: ARC Linux Kernel Image (uncompressed) Data Size: 7774432 Bytes = 7.4 MiB Load Address: 80000000 Entry Point: 800de000 Verifying Checksum ... OK Loading Kernel Image ... OK Starting kernel ... Linux version 4.4.0-rc7-next-20160104 (palminha at palminha-vm) (gcc version 4.8.4 (Buildroot 2015.08.1) ) #2 PREEMPT Mon Jan 4 17:41:19 WET 2016 Memory @ 80000000 [512M] Machine model: snps,axs101 earlycon: Early serial console at MMIO32 0xe0022000 (options '115200n8') bootconsole [uart0] enabled AXS: MainBoard v3 FPGA Date: 25-6-2015 IDENTITY : ARCVER [0x34] ARCNUM [0x4] CHIPID [ 0x0] processor [0] : ARC 700 R4.10 (ARCompact ISA) CPU speed : 750.00 Mhz Timers : Timer0 Timer1 ISA Extn : atomic : mpy norm barrel-shift swap minmax swape BPU : partial match, cache:512, Predict Table:512 MMU [v3] : 8k PAGE, JTLB 512 (128x4), uDTLB 8, uITLB 4 I-Cache : 32K, 2way/set, 32B Line, VIPT aliasing D-Cache : 32K, 4way/set, 32B Line, VIPT Vector Table : 0x80000000 Uncached Base : 0xc0000000 FPU : SP DP DEBUG : ActionPoint smaRT OS ABI [v3] : no-legacy-syscalls CONFIG_ARC_FPU_SAVE_RESTORE needed for working apps Built 1 zonelists in Zone order, mobility grouping on. Total pages: 65248 Kernel command line: earlycon=uart8250,mmio32,0xe0022000,115200n8 console=tty0 console=ttyS3,115200n8 consoleblank=0 PID hash table entries: 2048 (order: 0, 8192 bytes) Dentry cache hash table entries: 65536 (order: 5, 262144 bytes) Inode-cache hash table entries: 32768 (order: 4, 131072 bytes) BUG: Bad page state in process swapper pfn:403b6 page:9fdc8598 count:0 mapcount:1 mapping: (null) index:0x0 flags: 0x0() page dumped because: nonzero mapcount Modules linked in: CPU: 0 PID: 0 Comm: swapper Not tainted 4.4.0-rc7-next-20160104 #2 Stack Trace: arc_unwind_core.constprop.1+0xa4/0x110 bad_page+0xda/0x120 free_pages_prepare+0x232/0x244 __free_pages_ok+0x1c/0x300 free_all_bootmem+0x13c/0x1b8 Disabling lock debugging due to kernel taint BUG: Bad page state in process swapper pfn:403b7 page:9fdc85bc count:0 mapcount:1 mapping: (null) index:0x0 flags: 0x0() page dumped because: nonzero mapcount Modules linked in: CPU: 0 PID: 0 Comm: swapper Tainted: G B 4.4.0-rc7-next-20160104 #2 Stack Trace: arc_unwind_core.constprop.1+0xa4/0x110 bad_page+0xda/0x120 free_pages_prepare+0x218/0x244 __free_pages_ok+0x1c/0x300 free_all_bootmem+0x13c/0x1b8 BUG: Bad page state in process swapper pfn:403b8 page:9fdc85e0 count:0 mapcount:1 mapping: (null) index:0x0 flags: 0x0() page dumped because: nonzero mapcount Modules linked in: CPU: 0 PID: 0 Comm: swapper Tainted: G B 4.4.0-rc7-next-20160104 #2 Stack Trace: arc_unwind_core.constprop.1+0xa4/0x110 bad_page+0xda/0x120 free_pages_prepare+0x232/0x244 __free_pages_ok+0x1c/0x300 free_all_bootmem+0x13c/0x1b8 BUG: Bad page state in process swapper pfn:403b9 page:9fdc8604 count:0 mapcount:1 mapping: (null) index:0x0 flags: 0x0() page dumped because: nonzero mapcount Modules linked in: CPU: 0 PID: 0 Comm: swapper Tainted: G B 4.4.0-rc7-next-20160104 #2 Stack Trace: arc_unwind_core.constprop.1+0xa4/0x110 bad_page+0xda/0x120 free_pages_prepare+0x218/0x244 __free_pages_ok+0x1c/0x300 free_all_bootmem+0x13c/0x1b8 BUG: Bad page state in process swapper pfn:403ba page:9fdc8628 count:0 mapcount:1 mapping: (null) index:0x0 flags: 0x0() page dumped because: nonzero mapcount Modules linked in: CPU: 0 PID: 0 Comm: swapper Tainted: G B 4.4.0-rc7-next-20160104 #2 Stack Trace: arc_unwind_core.constprop.1+0xa4/0x110 bad_page+0xda/0x120 free_pages_prepare+0x218/0x244 __free_pages_ok+0x1c/0x300 free_all_bootmem+0x13c/0x1b8 BUG: Bad page state in process swapper pfn:403bb page:9fdc864c count:0 mapcount:1 mapping: (null) index:0x0 flags: 0x0() page dumped because: nonzero mapcount Modules linked in: CPU: 0 PID: 0 Comm: swapper Tainted: G B 4.4.0-rc7-next-20160104 #2