* Joonsoo Kim <iamjoonsoo.kim@xxxxxxx> [171108 07:43]: > On Tue, Nov 07, 2017 at 07:48:42AM -0800, Tony Lindgren wrote: > > So it seems the issue is currently at the atomic_pool_init() > > related code? > > Yes, your test showed it although I can't find any clue in > atomic_pool_init(). > > Could you test updated branch? > > https://github.com/JoonsooKim/linux/tree/cma-debug4-next-20180901 > > There are two relevant commits. > > arm/dma: stop dma allocation before __dma_alloc_remap() > arm/dma: disable atomic pool after dma allocation > > atomic pool initialization will be done partially to check > exact point of failure. These are brain-dead commits however I have no > idea what's going on here until now. :/ OK that booted, dmesg output below. Hopefully that provides you with some more clues. Regards, Tony 8< --------------------- Linux version 4.13.0-rc7-next-20170901-00024-gcf9a104b2f62 (tmlind@sampyla) (gcc version 6.3.1 20170109 (crosstool-NG crosstool-ng-1.23.0)) #568 SMP Wed Nov 8 08:25:47 PST 2017 CPU: ARMv7 Processor [411fc083] revision 3 (ARMv7), cr=10c5387d CPU: PIPT / VIPT nonaliasing data cache, VIPT nonaliasing instruction cache OF: fdt: Machine model: Nokia N900 memblock_add: [0x80000000-0x8fffffff] early_init_dt_scan_memory+0xec/0x158 Memory policy: Data cache writeback memblock_reserve: [0x80100000-0x8152f643] arm_memblock_init+0x30/0x1b0 memblock_reserve: [0x80004000-0x80007fff] arm_memblock_init+0x13c/0x1b0 memblock_reserve: [0x8ff00000-0x8fffffff] memblock_alloc_range_nid+0x38/0x50 memblock_free: [0x8ff00000-0x8fffffff] arm_memblock_steal+0x30/0x48 memblock_reserve: [0x8fe00000-0x8fefffff] memblock_alloc_range_nid+0x38/0x50 memblock_free: [0x8fe00000-0x8fefffff] arm_memblock_steal+0x30/0x48 memblock_reserve: [0x8fccb000-0x8fcddfff] arm_memblock_init+0x150/0x1b0 memblock_reserve: [0x8fccb000-0x8fcddfff] early_init_fdt_scan_reserved_mem+0x58/0x7c memblock_reserve: [0x8e800000-0x8f7fffff] memblock_alloc_range_nid+0x38/0x50 cma: Reserved 16 MiB at 0x8e800000 MEMBLOCK configuration: memory size = 0x0fe00000 reserved size = 0x02446644 memory.cnt = 0x1 memory[0x0] [0x80000000-0x8fdfffff], 0x0fe00000 bytes flags: 0x0 reserved.cnt = 0x4 reserved[0x0] [0x80004000-0x80007fff], 0x00004000 bytes flags: 0x0 reserved[0x1] [0x80100000-0x8152f643], 0x0142f644 bytes flags: 0x0 reserved[0x2] [0x8e800000-0x8f7fffff], 0x01000000 bytes flags: 0x0 reserved[0x3] [0x8fccb000-0x8fcddfff], 0x00013000 bytes flags: 0x0 CMA_ADDR: __phys_to_virt_debug: 0x8e800000 to 0xce800000 CPU: 0 PID: 0 Comm: swapper Not tainted 4.13.0-rc7-next-20170901-00024-gcf9a104b2f62 #568 Hardware name: Nokia RX-51 board [<c0110b38>] (unwind_backtrace) from [<c010caec>] (show_stack+0x10/0x14) [<c010caec>] (show_stack) from [<c082eb04>] (dump_stack+0xac/0xe0) [<c082eb04>] (dump_stack) from [<c0c06e94>] (dma_contiguous_remap+0x70/0x144) [<c0c06e94>] (dma_contiguous_remap) from [<c0c08068>] (paging_init+0x324/0x700) [<c0c08068>] (paging_init) from [<c0c042ac>] (setup_arch+0x5b4/0xc94) [<c0c042ac>] (setup_arch) from [<c0c00940>] (start_kernel+0x54/0x3fc) [<c0c00940>] (start_kernel) from [<8000807c>] (0x8000807c) CMA_ADDR: __phys_to_virt_debug: 0x8e800000 to 0xce800000 CPU: 0 PID: 0 Comm: swapper Not tainted 4.13.0-rc7-next-20170901-00024-gcf9a104b2f62 #568 Hardware name: Nokia RX-51 board [<c0110b38>] (unwind_backtrace) from [<c010caec>] (show_stack+0x10/0x14) [<c010caec>] (show_stack) from [<c082eb04>] (dump_stack+0xac/0xe0) [<c082eb04>] (dump_stack) from [<c0c06eb8>] (dma_contiguous_remap+0x94/0x144) [<c0c06eb8>] (dma_contiguous_remap) from [<c0c08068>] (paging_init+0x324/0x700) [<c0c08068>] (paging_init) from [<c0c042ac>] (setup_arch+0x5b4/0xc94) [<c0c042ac>] (setup_arch) from [<c0c00940>] (start_kernel+0x54/0x3fc) [<c0c00940>] (start_kernel) from [<8000807c>] (0x8000807c) CMA_ADDR: __phys_to_virt_debug: 0x8e800000 to 0xce800000 CPU: 0 PID: 0 Comm: swapper Not tainted 4.13.0-rc7-next-20170901-00024-gcf9a104b2f62 #568 Hardware name: Nokia RX-51 board [<c0110b38>] (unwind_backtrace) from [<c010caec>] (show_stack+0x10/0x14) [<c010caec>] (show_stack) from [<c082eb04>] (dump_stack+0xac/0xe0) [<c082eb04>] (dump_stack) from [<c0c06f24>] (dma_contiguous_remap+0x100/0x144) [<c0c06f24>] (dma_contiguous_remap) from [<c0c08068>] (paging_init+0x324/0x700) [<c0c08068>] (paging_init) from [<c0c042ac>] (setup_arch+0x5b4/0xc94) [<c0c042ac>] (setup_arch) from [<c0c00940>] (start_kernel+0x54/0x3fc) [<c0c00940>] (start_kernel) from [<8000807c>] (0x8000807c) memblock_reserve: [0x8fdfe000-0x8fdfffff] memblock_alloc_range_nid+0x38/0x50 memblock_reserve: [0x8fdfd000-0x8fdfdfff] memblock_alloc_range_nid+0x38/0x50 memblock_reserve: [0x8fdfcee8-0x8fdfcfff] memblock_alloc_range_nid+0x38/0x50 memblock_reserve: [0x8fdfcec0-0x8fdfcee7] memblock_alloc_range_nid+0x38/0x50 memblock_reserve: [0x8fdfce98-0x8fdfcebf] memblock_alloc_range_nid+0x38/0x50 memblock_reserve: [0x8fdfce70-0x8fdfce97] memblock_alloc_range_nid+0x38/0x50 memblock_reserve: [0x8fdfce48-0x8fdfce6f] memblock_alloc_range_nid+0x38/0x50 memblock_reserve: [0x8fdfce20-0x8fdfce47] memblock_alloc_range_nid+0x38/0x50 memblock_reserve: [0x8fdfb000-0x8fdfbfff] memblock_alloc_range_nid+0x38/0x50 memblock_reserve: [0x8fdfa000-0x8fdfafff] memblock_alloc_range_nid+0x38/0x50 memblock_reserve: [0x8fdf9000-0x8fdf9fff] memblock_alloc_range_nid+0x38/0x50 On node 0 totalpages: 65024 memblock_virt_alloc_try_nid_nopanic: 2359296 bytes align=0x0 nid=0 from=0x0 max_addr=0x0 alloc_node_mem_map.constprop.10+0x68/0xb4 memblock_reserve: [0x8fa8b000-0x8fccafff] memblock_virt_alloc_internal+0xfc/0x1c0 free_area_init_node: node 0, pgdat c0dc5040, node_mem_map cfa8b000 Normal zone: 572 pages used for memmap Normal zone: 0 pages reserved Normal zone: 65024 pages, LIFO batch:15 memblock_virt_alloc_try_nid_nopanic: 16 bytes align=0x0 nid=0 from=0x0 max_addr=0x0 setup_usemap.constprop.12+0x5c/0x6c memblock_reserve: [0x8fdfce00-0x8fdfce0f] memblock_virt_alloc_internal+0xfc/0x1c0 memblock_virt_alloc_try_nid_nopanic: 16 bytes align=0x0 nid=0 from=0x0 max_addr=0x0 setup_usemap.constprop.12+0x5c/0x6c memblock_reserve: [0x8fdfcdc0-0x8fdfcdcf] memblock_virt_alloc_internal+0xfc/0x1c0 memblock_virt_alloc_try_nid: 32 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 setup_arch+0x6e8/0xc94 memblock_reserve: [0x8fdfcd80-0x8fdfcd9f] memblock_virt_alloc_internal+0xfc/0x1c0 memblock_reserve: [0x8fdb0548-0x8fdf8fff] memblock_alloc_range_nid+0x38/0x50 memblock_reserve: [0x8fdfcde8-0x8fdfcdff] memblock_alloc_range_nid+0x38/0x50 memblock_reserve: [0x8fdfcdd0-0x8fdfcde7] memblock_alloc_range_nid+0x38/0x50 memblock_reserve: [0x8fdfcda4-0x8fdfcdbe] memblock_alloc_range_nid+0x38/0x50 memblock_reserve: [0x8fdfcd64-0x8fdfcd7e] memblock_alloc_range_nid+0x38/0x50 memblock_reserve: [0x8fdfcd48-0x8fdfcd62] memblock_alloc_range_nid+0x38/0x50 memblock_reserve: [0x8fdfcd30-0x8fdfcd47] memblock_alloc_range_nid+0x38/0x50 CPU: All CPU(s) started in SVC mode. OMAP3430/3530 ES3.1 (l2cache iva sgx neon isp) memblock_virt_alloc_try_nid: 8 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 omap2_clk_legacy_provider_init+0x2c/0x44 memblock_reserve: [0x8fdfcd00-0x8fdfcd07] memblock_virt_alloc_internal+0xfc/0x1c0 memblock_virt_alloc_try_nid: 8 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 omap2_clk_legacy_provider_init+0x2c/0x44 memblock_reserve: [0x8fdfccc0-0x8fdfccc7] memblock_virt_alloc_internal+0xfc/0x1c0 random: fast init done memblock_virt_alloc_try_nid: 183 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 start_kernel+0x9c/0x3fc memblock_reserve: [0x8fdfcc00-0x8fdfccb6] memblock_virt_alloc_internal+0xfc/0x1c0 memblock_virt_alloc_try_nid: 183 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 start_kernel+0xc0/0x3fc memblock_reserve: [0x8fdfcb40-0x8fdfcbf6] memblock_virt_alloc_internal+0xfc/0x1c0 memblock_virt_alloc_try_nid: 183 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 start_kernel+0xe4/0x3fc memblock_reserve: [0x8fdfca80-0x8fdfcb36] memblock_virt_alloc_internal+0xfc/0x1c0 memblock_virt_alloc_try_nid_nopanic: 4096 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 pcpu_alloc_alloc_info+0x4c/0x88 memblock_reserve: [0x8fdaf540-0x8fdb053f] memblock_virt_alloc_internal+0xfc/0x1c0 memblock_virt_alloc_try_nid_nopanic: 4096 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 pcpu_embed_first_chunk+0x464/0x714 memblock_reserve: [0x8fdae540-0x8fdaf53f] memblock_virt_alloc_internal+0xfc/0x1c0 memblock_virt_alloc_try_nid_nopanic: 73728 bytes align=0x1000 nid=-1 from=0xbfffffff max_addr=0x0 pcpu_dfl_fc_alloc+0x3c/0x44 memblock_reserve: [0x8fd9c000-0x8fdadfff] memblock_virt_alloc_internal+0xfc/0x1c0 __memblock_free_early: [0x0000008fdae000-0x0000008fdadfff] pcpu_embed_first_chunk+0x5d8/0x714 percpu: Embedded 18 pages/cpu @cfd9c000 s41644 r8192 d23892 u73728 memblock_virt_alloc_try_nid: 4 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 pcpu_setup_first_chunk+0xf0/0x678 memblock_reserve: [0x8fdfca40-0x8fdfca43] memblock_virt_alloc_internal+0xfc/0x1c0 memblock_virt_alloc_try_nid: 4 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 pcpu_setup_first_chunk+0x110/0x678 memblock_reserve: [0x8fdfca00-0x8fdfca03] memblock_virt_alloc_internal+0xfc/0x1c0 memblock_virt_alloc_try_nid: 4 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 pcpu_setup_first_chunk+0x130/0x678 memblock_reserve: [0x8fdfc9c0-0x8fdfc9c3] memblock_virt_alloc_internal+0xfc/0x1c0 memblock_virt_alloc_try_nid: 4 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 pcpu_setup_first_chunk+0x150/0x678 memblock_reserve: [0x8fdfc980-0x8fdfc983] memblock_virt_alloc_internal+0xfc/0x1c0 pcpu-alloc: s41644 r8192 d23892 u73728 alloc=18*4096 pcpu-alloc: [0] 0 memblock_virt_alloc_try_nid: 128 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 pcpu_setup_first_chunk+0x41c/0x678 memblock_reserve: [0x8fdfc900-0x8fdfc97f] memblock_virt_alloc_internal+0xfc/0x1c0 memblock_virt_alloc_try_nid: 69 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 pcpu_alloc_first_chunk+0x64/0x2b4 memblock_reserve: [0x8fdfc880-0x8fdfc8c4] memblock_virt_alloc_internal+0xfc/0x1c0 memblock_virt_alloc_try_nid: 384 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 pcpu_alloc_first_chunk+0xa8/0x2b4 memblock_reserve: [0x8fdfc700-0x8fdfc87f] memblock_virt_alloc_internal+0xfc/0x1c0 memblock_virt_alloc_try_nid: 388 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 pcpu_alloc_first_chunk+0xc8/0x2b4 memblock_reserve: [0x8fdfc540-0x8fdfc6c3] memblock_virt_alloc_internal+0xfc/0x1c0 memblock_virt_alloc_try_nid: 60 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 pcpu_alloc_first_chunk+0xf4/0x2b4 memblock_reserve: [0x8fdfc500-0x8fdfc53b] memblock_virt_alloc_internal+0xfc/0x1c0 memblock_virt_alloc_try_nid: 69 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 pcpu_alloc_first_chunk+0x64/0x2b4 memblock_reserve: [0x8fdfc480-0x8fdfc4c4] memblock_virt_alloc_internal+0xfc/0x1c0 memblock_virt_alloc_try_nid: 768 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 pcpu_alloc_first_chunk+0xa8/0x2b4 memblock_reserve: [0x8fdfc180-0x8fdfc47f] memblock_virt_alloc_internal+0xfc/0x1c0 memblock_virt_alloc_try_nid: 772 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 pcpu_alloc_first_chunk+0xc8/0x2b4 memblock_reserve: [0x8fdae200-0x8fdae503] memblock_virt_alloc_internal+0xfc/0x1c0 memblock_virt_alloc_try_nid: 120 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 pcpu_alloc_first_chunk+0xf4/0x2b4 memblock_reserve: [0x8fdfc100-0x8fdfc177] memblock_virt_alloc_internal+0xfc/0x1c0 __memblock_free_early: [0x0000008fdaf540-0x0000008fdb053f] pcpu_embed_first_chunk+0x664/0x714 __memblock_free_early: [0x0000008fdae540-0x0000008fdaf53f] pcpu_embed_first_chunk+0x6c4/0x714 Built 1 zonelists, mobility grouping on. Total pages: 64452 Kernel command line: root=/dev/nfs ip=dhcp console=ttyO2,115200 memmap=2M$0x88000000 ramoops.mem_address=0x88000000 ramoops.mem_size=0x200000 ramoops.record_size=0x40000 debug earlyprintk init=/root/init memblock_virt_alloc_try_nid_nopanic: 4096 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 alloc_large_system_hash+0x180/0x268 memblock_reserve: [0x8fdaf540-0x8fdb053f] memblock_virt_alloc_internal+0xfc/0x1c0 PID hash table entries: 1024 (order: 0, 4096 bytes) memblock_virt_alloc_try_nid_nopanic: 131072 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 alloc_large_system_hash+0x180/0x268 memblock_reserve: [0x8fd7c000-0x8fd9bfff] memblock_virt_alloc_internal+0xfc/0x1c0 Dentry cache hash table entries: 32768 (order: 5, 131072 bytes) memblock_virt_alloc_try_nid_nopanic: 65536 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 alloc_large_system_hash+0x180/0x268 memblock_reserve: [0x8fd6c000-0x8fd7bfff] memblock_virt_alloc_internal+0xfc/0x1c0 Inode-cache hash table entries: 16384 (order: 4, 65536 bytes) Memory: 220052K/260096K available (8192K kernel code, 816K rwdata, 2420K rodata, 1024K init, 7557K bss, 23660K reserved, 16384K cma-reserved, 0K highmem) Virtual kernel memory layout: vector : 0xffff0000 - 0xffff1000 ( 4 kB) fixmap : 0xffc00000 - 0xfff00000 (3072 kB) vmalloc : 0xd0000000 - 0xff800000 ( 760 MB) lowmem : 0xc0000000 - 0xcfe00000 ( 254 MB) pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB) modules : 0xbf000000 - 0xbfe00000 ( 14 MB) .text : 0xc0008000 - 0xc0900000 (9184 kB) .init : 0xc0c00000 - 0xc0d00000 (1024 kB) .data : 0xc0d00000 - 0xc0dcc280 ( 817 kB) .bss : 0xc0dce000 - 0xc152f644 (7558 kB) Running RCU self tests Hierarchical RCU implementation. RCU event tracing is enabled. RCU lockdep checking is enabled. RCU restricting CPUs from NR_CPUS=2 to nr_cpu_ids=1. RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=1 NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 IRQ: Found an INTC at 0xfa200000 (revision 4.0) with 96 interrupts Clocking rate (Crystal/Core/MPU): 19.2/332/500 MHz OMAP clockevent source: timer1 at 32768 Hz clocksource: 32k_counter: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 58327039986419 ns sched_clock: 32 bits at 32kHz, resolution 30517ns, wraps every 65535999984741ns OMAP clocksource: 32k_counter at 32768 Hz Console: colour dummy device 80x30 WARNING: Your 'console=ttyO2' has been replaced by 'ttyS2' This ensures that you still see kernel messages. Please update your kernel commandline. Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar ... MAX_LOCKDEP_SUBCLASSES: 8 ... MAX_LOCK_DEPTH: 48 ... MAX_LOCKDEP_KEYS: 8191 ... CLASSHASH_SIZE: 4096 ... MAX_LOCKDEP_ENTRIES: 32768 ... MAX_LOCKDEP_CHAINS: 65536 ... CHAINHASH_SIZE: 32768 memory used by lock dependency info: 4655 kB per task-struct memory footprint: 1536 bytes Calibrating delay loop... 493.97 BogoMIPS (lpj=2469888) pid_max: default: 32768 minimum: 301 Security Framework initialized Mount-cache hash table entries: 1024 (order: 0, 4096 bytes) Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes) CPU: Testing write buffer coherency: ok CPU0: thread -1, cpu 0, socket -1, mpidr 0 Setting up static identity map for 0x80100000 - 0x80100078 Hierarchical SRCU implementation. smp: Bringing up secondary CPUs ... smp: Brought up 1 node, 1 CPU SMP: Total of 1 processors activated (493.97 BogoMIPS). CPU: All CPU(s) started in SVC mode. devtmpfs: initialized Built 1 zonelists, mobility grouping on. Total pages: 59109 VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 1 clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns futex hash table entries: 256 (order: 2, 16384 bytes) pinctrl core: initialized pinctrl subsystem NET: Registered protocol family 16 __alloc_from_contiguous CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.13.0-rc7-next-20170901-00024-gcf9a104b2f62 #568 Hardware name: Nokia RX-51 board [<c0110b38>] (unwind_backtrace) from [<c010caec>] (show_stack+0x10/0x14) [<c010caec>] (show_stack) from [<c082eb04>] (dump_stack+0xac/0xe0) [<c082eb04>] (dump_stack) from [<c0118b94>] (__alloc_from_contiguous.constprop.7+0x28/0x68) [<c0118b94>] (__alloc_from_contiguous.constprop.7) from [<c0c06d3c>] (atomic_pool_init+0x58/0xf0) [<c0c06d3c>] (atomic_pool_init) from [<c0101df4>] (do_one_initcall+0x3c/0x170) [<c0101df4>] (do_one_initcall) from [<c0c00ee4>] (kernel_init_freeable+0x1fc/0x2c4) [<c0c00ee4>] (kernel_init_freeable) from [<c0842a4c>] (kernel_init+0x8/0x110) [<c0842a4c>] (kernel_init) from [<c0107d78>] (ret_from_fork+0x14/0x3c) atomic_pool_init: DMA: disable atomic_pool omap_hwmod: mcbsp2_sidetone using broken dt data from mcbsp omap_hwmod: mcbsp3_sidetone using broken dt data from mcbsp cpuidle: using governor menu SRAM_ADDR: omap_map_sram: P: 0x40208000 - 0x4020f000 SRAM_ADDR: omap_map_sram: V: 0xd0008000 - 0xd000f000 SRAM_ADDR: omap_sram_push_address: 0xd000ef00 - 0xd000effc SRAM_ADDR: omap_sram_push_address: 0xd000ee90 - 0xd000eefc Reprogramming SDRC clock to 332000000 Hz ... -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html