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Message-ID: <550081E2.5030807@list.ru> Date: Wed, 11 Mar 2015 20:56:50 +0300 From: Stas Sergeev <stsp@...t.ru> To: Russell King - ARM Linux <linux@....linux.org.uk> CC: Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>, Linux kernel <linux-kernel@...r.kernel.org>, linux-arm-kernel@...ts.infradead.org, Gregory Clément <gregory.clement@...e-electrons.com>, Catalin Marinas <catalin.marinas@....com> Subject: Re: [PATCH] n_tty: use kmalloc() instead of vmalloc() to avoid crash on armada-xp 11.03.2015 20:46, Russell King - ARM Linux пишет: > On Wed, Mar 11, 2015 at 08:26:53PM +0300, Stas Sergeev wrote: >> Hello Thomas, thanks for that info! >> >> Is there a quick way to test that? >> I used memmap=0x20000000$0xe0000000 but nothing changed... > Use mem=0xe0000000 instead. memmap= isn't supported on ARM. > It doesn't look like it works as intended. Got the crash below. Please note the mappings beyond 0xe0000000, so I wonder if the option worked as expected? [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 4.0.0-rc2-00137-gb672c98-dirty (root@...t-010-117) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #2 SMP W ed Mar 11 17:03:41 MSK 2015 [ 0.000000] CPU: ARMv7 Processor [562f5842] revision 2 (ARMv7), cr=10c5387d [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, PIPT instruction cache [ 0.000000] Machine model: Marvell Armada XP Development Board DB-MV784MP-GP [ 0.000000] Ignoring memory block 0x100000000 - 0x200000000 [ 0.000000] memblock_reserve: [0x00000000008280-0x00000000700203] flags 0x0 arm_memblock_init+0x20/0x18c [ 0.000000] memblock_reserve: [0x00000000004000-0x00000000007fff] flags 0x0 arm_memblock_init+0x124/0x18c [ 0.000000] memblock_reserve: [0x00000000000000-0x000000000027ff] flags 0x0 mvebu_scan_mem+0xa4/0xec [ 0.000000] memblock_reserve: [0x00000000000000-0x000000000027ff] flags 0x0 mvebu_scan_mem+0xa4/0xec [ 0.000000] memblock_reserve: [0x00000000a41168-0x00000000a4535d] flags 0x0 early_init_fdt_scan_reserved_mem+0x30/0x88 [ 0.000000] MEMBLOCK configuration: [ 0.000000] memory size = 0xe0000000 reserved size = 0x70297a [ 0.000000] memory.cnt = 0x1 [ 0.000000] memory[0x0] [0x00000000000000-0x000000dfffffff], 0xe0000000 bytes flags: 0x0 [ 0.000000] reserved.cnt = 0x4 [ 0.000000] reserved[0x0] [0x00000000000000-0x000000000027ff], 0x2800 bytes flags: 0x0 [ 0.000000] reserved[0x1] [0x00000000004000-0x00000000007fff], 0x4000 bytes flags: 0x0 [ 0.000000] reserved[0x2] [0x00000000008280-0x00000000700203], 0x6f7f84 bytes flags: 0x0 [ 0.000000] reserved[0x3] [0x00000000a41168-0x00000000a4535d], 0x41f6 bytes flags: 0x0 [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] memblock_reserve: [0x0000002f7fe000-0x0000002f7fffff] flags 0x0 memblock_alloc_range_nid+0x30/0x44 [ 0.000000] memblock_reserve: [0x0000002f7fd000-0x0000002f7fdfff] flags 0x0 memblock_alloc_range_nid+0x30/0x44 [ 0.000000] memblock_reserve: [0x0000002f7fcfd8-0x0000002f7fcfff] flags 0x0 memblock_alloc_range_nid+0x30/0x44 [ 0.000000] memblock_reserve: [0x0000002f7fb000-0x0000002f7fbfff] flags 0x0 memblock_alloc_range_nid+0x30/0x44 [ 0.000000] memblock_reserve: [0x0000002f7fa000-0x0000002f7fafff] flags 0x0 memblock_alloc_range_nid+0x30/0x44 [ 0.000000] memblock_reserve: [0x0000002f7f9000-0x0000002f7f9fff] flags 0x0 memblock_alloc_range_nid+0x30/0x44 [ 0.000000] memblock_virt_alloc_try_nid_nopanic: 29360128 bytes align=0x0 nid=0 from=0x0 max_addr=0x0 alloc_node_mem_map.constprop.66+0x6 0/0x90 [ 0.000000] memblock_reserve: [0x0000002dbf9000-0x0000002f7f8fff] flags 0x0 memblock_virt_alloc_internal+0x104/0x154 [ 0.000000] memblock_virt_alloc_try_nid_nopanic: 96 bytes align=0x0 nid=0 from=0x0 max_addr=0x0 free_area_init_node+0x2fc/0x3cc [ 0.000000] memblock_reserve: [0x0000002f7fcf40-0x0000002f7fcf9f] flags 0x0 memblock_virt_alloc_internal+0x104/0x154 [ 0.000000] memblock_virt_alloc_try_nid_nopanic: 12288 bytes align=0x0 nid=0 from=0x0 max_addr=0x0 zone_wait_table_init+0x80/0xf0 [ 0.000000] memblock_reserve: [0x0000002dbf6000-0x0000002dbf8fff] flags 0x0 memblock_virt_alloc_internal+0x104/0x154 [ 0.000000] memblock_virt_alloc_try_nid_nopanic: 356 bytes align=0x0 nid=0 from=0x0 max_addr=0x0 free_area_init_node+0x2fc/0x3cc [ 0.000000] memblock_reserve: [0x0000002f7fcdc0-0x0000002f7fcf23] flags 0x0 memblock_virt_alloc_internal+0x104/0x154 [ 0.000000] memblock_virt_alloc_try_nid_nopanic: 49152 bytes align=0x0 nid=0 from=0x0 max_addr=0x0 zone_wait_table_init+0x80/0xf0 [ 0.000000] memblock_reserve: [0x0000002dbea000-0x0000002dbf5fff] flags 0x0 memblock_virt_alloc_internal+0x104/0x154 [ 0.000000] memblock_virt_alloc_try_nid: 28 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 setup_arch+0x4d4/0x8b0 [ 0.000000] memblock_reserve: [0x0000002f7fcd80-0x0000002f7fcd9b] flags 0x0 memblock_virt_alloc_internal+0x104/0x154 [ 0.000000] memblock_reserve: [0x0000002dbdf040-0x0000002dbe9fff] flags 0x0 memblock_alloc_range_nid+0x30/0x44 [ 0.000000] memblock_reserve: [0x0000002f7fcfc0-0x0000002f7fcfd7] flags 0x0 memblock_alloc_range_nid+0x30/0x44 [ 0.000000] memblock_reserve: [0x0000002f7fcfa8-0x0000002f7fcfbf] flags 0x0 memblock_alloc_range_nid+0x30/0x44 [ 0.000000] memblock_reserve: [0x0000002f7fcf28-0x0000002f7fcf3f] flags 0x0 memblock_alloc_range_nid+0x30/0x44 [ 0.000000] memblock_reserve: [0x0000002f7fcda4-0x0000002f7fcdbc] flags 0x0 memblock_alloc_range_nid+0x30/0x44 [ 0.000000] memblock_reserve: [0x0000002f7fcd64-0x0000002f7fcd7c] flags 0x0 memblock_alloc_range_nid+0x30/0x44 [ 0.000000] memblock_reserve: [0x0000002f7fcd48-0x0000002f7fcd60] flags 0x0 memblock_alloc_range_nid+0x30/0x44 [ 0.000000] memblock_reserve: [0x0000002f7fcd30-0x0000002f7fcd47] flags 0x0 memblock_alloc_range_nid+0x30/0x44 [ 0.000000] memblock_virt_alloc_try_nid: 98 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 start_kernel+0xb4/0x3a8 [ 0.000000] memblock_reserve: [0x0000002f7fccc0-0x0000002f7fcd21] flags 0x0 memblock_virt_alloc_internal+0x104/0x154 [ 0.000000] memblock_virt_alloc_try_nid: 98 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 start_kernel+0xd8/0x3a8 [ 0.000000] memblock_reserve: [0x0000002f7fcc40-0x0000002f7fcca1] flags 0x0 memblock_virt_alloc_internal+0x104/0x154 [ 0.000000] memblock_virt_alloc_try_nid: 98 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 start_kernel+0xfc/0x3a8 [ 0.000000] memblock_reserve: [0x0000002f7fcbc0-0x0000002f7fcc21] flags 0x0 memblock_virt_alloc_internal+0x104/0x154 [ 0.000000] memblock_virt_alloc_try_nid_nopanic: 4096 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 pcpu_alloc_alloc_info+0x4c/0x8c [ 0.000000] memblock_reserve: [0x0000002dbde040-0x0000002dbdf03f] flags 0x0 memblock_virt_alloc_internal+0x104/0x154 [ 0.000000] memblock_virt_alloc_try_nid_nopanic: 4096 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 pcpu_embed_first_chunk+0x4f0/0x788 [ 0.000000] memblock_reserve: [0x0000002dbdd040-0x0000002dbde03f] flags 0x0 memblock_virt_alloc_internal+0x104/0x154 [ 0.000000] memblock_virt_alloc_try_nid_nopanic: 163840 bytes align=0x1000 nid=-1 from=0x3fffffff max_addr=0x0 pcpu_dfl_fc_alloc+0x28/0x3 0 [ 0.000000] memblock_reserve: [0x0000002dbb5000-0x0000002dbdcfff] flags 0x0 memblock_virt_alloc_internal+0x104/0x154 [ 0.000000] __memblock_free_early: [0x0000002dbbf000-0x0000002dbbefff] pcpu_embed_first_chunk+0x608/0x788 [ 0.000000] __memblock_free_early: [0x0000002dbc9000-0x0000002dbc8fff] pcpu_embed_first_chunk+0x608/0x788 [ 0.000000] __memblock_free_early: [0x0000002dbd3000-0x0000002dbd2fff] pcpu_embed_first_chunk+0x608/0x788 [ 0.000000] __memblock_free_early: [0x0000002dbdd000-0x0000002dbdcfff] pcpu_embed_first_chunk+0x608/0x788 [ 0.000000] PERCPU: Embedded 10 pages/cpu @edbb5000 s11584 r8192 d21184 u40960 [ 0.000000] memblock_virt_alloc_try_nid: 4 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 pcpu_setup_first_chunk+0xec/0x740 [ 0.000000] memblock_reserve: [0x0000002f7fcb80-0x0000002f7fcb83] flags 0x0 memblock_virt_alloc_internal+0x104/0x154 [ 0.000000] memblock_virt_alloc_try_nid: 4 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 pcpu_setup_first_chunk+0x10c/0x740 [ 0.000000] memblock_reserve: [0x0000002f7fcb40-0x0000002f7fcb43] flags 0x0 memblock_virt_alloc_internal+0x104/0x154 [ 0.000000] memblock_virt_alloc_try_nid: 16 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 pcpu_setup_first_chunk+0x12c/0x740 [ 0.000000] memblock_reserve: [0x0000002f7fcb00-0x0000002f7fcb0f] flags 0x0 memblock_virt_alloc_internal+0x104/0x154 [ 0.000000] memblock_virt_alloc_try_nid: 16 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 pcpu_setup_first_chunk+0x14c/0x740 [ 0.000000] memblock_reserve: [0x0000002f7fcac0-0x0000002f7fcacf] flags 0x0 memblock_virt_alloc_internal+0x104/0x154 [ 0.000000] memblock_virt_alloc_try_nid: 120 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 pcpu_setup_first_chunk+0x450/0x740 [ 0.000000] memblock_reserve: [0x0000002f7fca40-0x0000002f7fcab7] flags 0x0 memblock_virt_alloc_internal+0x104/0x154 [ 0.000000] memblock_virt_alloc_try_nid: 68 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 pcpu_setup_first_chunk+0x498/0x740 [ 0.000000] memblock_reserve: [0x0000002f7fc9c0-0x0000002f7fca03] flags 0x0 memblock_virt_alloc_internal+0x104/0x154 [ 0.000000] memblock_virt_alloc_try_nid: 68 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 pcpu_setup_first_chunk+0x5cc/0x740 [ 0.000000] memblock_reserve: [0x0000002f7fc940-0x0000002f7fc983] flags 0x0 memblock_virt_alloc_internal+0x104/0x154 [ 0.000000] __memblock_free_early: [0x0000002dbde040-0x0000002dbdf03f] pcpu_embed_first_chunk+0x734/0x788 [ 0.000000] __memblock_free_early: [0x0000002dbdd040-0x0000002dbde03f] pcpu_embed_first_chunk+0x74c/0x788 [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 915984 [ 0.000000] Kernel command line: console=ttyS0,115200 earlyprintk=ttyS0 root=/dev/sda2 rw pm_disable memblock=debug mem=0xe0000000 [ 0.000000] log_buf_len individual max cpu contribution: 4096 bytes [ 0.000000] log_buf_len total cpu_extra contributions: 12288 bytes [ 0.000000] log_buf_len min size: 16384 bytes [ 0.000000] memblock_virt_alloc_try_nid_nopanic: 32768 bytes align=0x4 nid=-1 from=0x0 max_addr=0x0 setup_log_buf+0xf8/0x1d4 [ 0.000000] memblock_reserve: [0x0000002dbad000-0x0000002dbb4fff] flags 0x0 memblock_virt_alloc_internal+0x104/0x154 [ 0.000000] log_buf_len: 32768 bytes [ 0.000000] early log buf free: 6336(38%) [ 0.000000] memblock_virt_alloc_try_nid_nopanic: 16384 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 alloc_large_system_hash+0x158/0x250 [ 0.000000] memblock_reserve: [0x0000002dba9000-0x0000002dbacfff] flags 0x0 memblock_virt_alloc_internal+0x104/0x154 [ 0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes) [ 0.000000] memblock_virt_alloc_try_nid_nopanic: 524288 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 alloc_large_system_hash+0x158/0x250 [ 0.000000] memblock_reserve: [0x0000002db29000-0x0000002dba8fff] flags 0x0 memblock_virt_alloc_internal+0x104/0x154 [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes) [ 0.000000] memblock_virt_alloc_try_nid_nopanic: 262144 bytes align=0x0 nid=-1 from=0x0 max_addr=0x0 alloc_large_system_hash+0x158/0x250 [ 0.000000] memblock_reserve: [0x0000002dae9000-0x0000002db28fff] flags 0x0 memblock_virt_alloc_internal+0x104/0x154 [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes) [ 0.000000] Memory: 3633048K/3670016K available (5068K kernel code, 241K rwdata, 1380K rodata, 252K init, 190K bss, 36968K reserved, 0K c ma-reserved, 2891776K highmem) [ 0.000000] Virtual kernel memory layout: [ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB) [ 0.000000] fixmap : 0xffc00000 - 0xfff00000 (3072 kB) [ 0.000000] vmalloc : 0xf0000000 - 0xff000000 ( 240 MB) [ 0.000000] lowmem : 0xc0000000 - 0xef800000 ( 760 MB) [ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB) [ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB) [ 0.000000] .text : 0xc0008000 - 0xc06543d0 (6449 kB) [ 0.000000] .init : 0xc0655000 - 0xc0694000 ( 252 kB) [ 0.000000] .data : 0xc0694000 - 0xc06d0740 ( 242 kB) [ 0.000000] .bss : 0xc06d0740 - 0xc0700204 ( 191 kB) [ 0.000000] Hierarchical RCU implementation. [ 0.000000] Additional per-CPU info printed with stalls. [ 0.000000] NR_IRQS:16 nr_irqs:16 16 [ 0.000000] Aurora cache controller enabled, 32 ways, 2048 kB [ 0.000000] Aurora: CACHE_ID 0x00000100, AUX_CTRL 0x1a69ef12 [ 0.000006] sched_clock: 32 bits at 25MHz, resolution 40ns, wraps every 171798691800ns [ 0.000242] Console: colour dummy device 80x30 [ 0.000258] Calibrating delay loop... 1594.16 BogoMIPS (lpj=7970816) [ 0.090072] pid_max: default: 32768 minimum: 301 [ 0.090142] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes) [ 0.090148] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes) [ 0.090398] CPU: Testing write buffer coherency: vmalloc: mapping page ee1a13e0 (0x0002d41f000) at 0xf001e000 [ 0.090414] vmalloc: mapping page ee1a13e0 (0x0002d41f000) at 0xf0020000 [ 0.090421] ok [ 0.090523] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.090872] Setting up static identity map for 0x4cece8 - 0x4ced40 [ 0.091062] mvebu-soc-id: MVEBU SoC ID=0x7846, Rev=0x2 [ 0.091146] mvebu-pmsu: Initializing Power Management Service Unit [ 0.091805] Booting CPU 1 [ 0.180067] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.180270] Booting CPU 2 [ 0.220067] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 [ 0.220263] Booting CPU 3 [ 0.260067] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 [ 0.260108] Brought up 4 CPUs [ 0.260116] SMP: Total of 4 processors activated (6376.65 BogoMIPS). [ 0.260120] CPU: All CPU(s) started in SVC mode. [ 0.260387] devtmpfs: initialized [ 0.260725] VFP support v0.3: implementor 56 architecture 2 part 20 variant 9 rev 6 [ 0.260899] pinctrl core: initialized pinctrl subsystem [ 0.262846] NET: Registered protocol family 16 [ 0.263024] vmalloc: mapping page ee1a3800 (0x0002d540000) at 0xf002c000 [ 0.263030] vmalloc: mapping page ee1a3820 (0x0002d541000) at 0xf002d000 [ 0.263034] vmalloc: mapping page ee1a3840 (0x0002d542000) at 0xf002e000 [ 0.263039] vmalloc: mapping page ee1a3860 (0x0002d543000) at 0xf002f000 [ 0.263043] vmalloc: mapping page ee1a3880 (0x0002d544000) at 0xf0030000 [ 0.263047] vmalloc: mapping page ee1a38a0 (0x0002d545000) at 0xf0031000 [ 0.263051] vmalloc: mapping page ee1a38c0 (0x0002d546000) at 0xf0032000 [ 0.263055] vmalloc: mapping page ee1a38e0 (0x0002d547000) at 0xf0033000 [ 0.263059] vmalloc: mapping page ee1a3900 (0x0002d548000) at 0xf0034000 [ 0.263063] vmalloc: mapping page ee1a3920 (0x0002d549000) at 0xf0035000 [ 0.263068] vmalloc: mapping page ee1a3940 (0x0002d54a000) at 0xf0036000 [ 0.263072] vmalloc: mapping page ee1a3960 (0x0002d54b000) at 0xf0037000 [ 0.263076] vmalloc: mapping page ee1a3980 (0x0002d54c000) at 0xf0038000 [ 0.263080] vmalloc: mapping page ee1a39a0 (0x0002d54d000) at 0xf0039000 [ 0.263084] vmalloc: mapping page ee1a39c0 (0x0002d54e000) at 0xf003a000 [ 0.263088] vmalloc: mapping page ee1a39e0 (0x0002d54f000) at 0xf003b000 [ 0.263092] vmalloc: mapping page ee1a3a00 (0x0002d550000) at 0xf003c000 [ 0.263096] vmalloc: mapping page ee1a3a20 (0x0002d551000) at 0xf003d000 [ 0.263101] vmalloc: mapping page ee1a3a40 (0x0002d552000) at 0xf003e000 [ 0.263105] vmalloc: mapping page ee1a3a60 (0x0002d553000) at 0xf003f000 [ 0.263109] vmalloc: mapping page ee1a3a80 (0x0002d554000) at 0xf0040000 [ 0.263113] vmalloc: mapping page ee1a3aa0 (0x0002d555000) at 0xf0041000 [ 0.263117] vmalloc: mapping page ee1a3ac0 (0x0002d556000) at 0xf0042000 [ 0.263121] vmalloc: mapping page ee1a3ae0 (0x0002d557000) at 0xf0043000 [ 0.263125] vmalloc: mapping page ee1a3b00 (0x0002d558000) at 0xf0044000 [ 0.263130] vmalloc: mapping page ee1a3b20 (0x0002d559000) at 0xf0045000 [ 0.263134] vmalloc: mapping page ee1a3b40 (0x0002d55a000) at 0xf0046000 [ 0.263138] vmalloc: mapping page ee1a3b60 (0x0002d55b000) at 0xf0047000 [ 0.263142] vmalloc: mapping page ee1a3b80 (0x0002d55c000) at 0xf0048000 [ 0.263146] vmalloc: mapping page ee1a3ba0 (0x0002d55d000) at 0xf0049000 [ 0.263150] vmalloc: mapping page ee1a3bc0 (0x0002d55e000) at 0xf004a000 [ 0.263154] vmalloc: mapping page ee1a3be0 (0x0002d55f000) at 0xf004b000 [ 0.263158] vmalloc: mapping page ee1a3c00 (0x0002d560000) at 0xf004c000 [ 0.263163] vmalloc: mapping page ee1a3c20 (0x0002d561000) at 0xf004d000 [ 0.263167] vmalloc: mapping page ee1a3c40 (0x0002d562000) at 0xf004e000 [ 0.263171] vmalloc: mapping page ee1a3c60 (0x0002d563000) at 0xf004f000 [ 0.263175] vmalloc: mapping page ee1a3c80 (0x0002d564000) at 0xf0050000 [ 0.263179] vmalloc: mapping page ee1a3ca0 (0x0002d565000) at 0xf0051000 [ 0.263183] vmalloc: mapping page ee1a3cc0 (0x0002d566000) at 0xf0052000 [ 0.263187] vmalloc: mapping page ee1a3ce0 (0x0002d567000) at 0xf0053000 [ 0.263191] vmalloc: mapping page ee1a3d00 (0x0002d568000) at 0xf0054000 [ 0.263196] vmalloc: mapping page ee1a3d20 (0x0002d569000) at 0xf0055000 [ 0.263200] vmalloc: mapping page ee1a3d40 (0x0002d56a000) at 0xf0056000 [ 0.263204] vmalloc: mapping page ee1a3d60 (0x0002d56b000) at 0xf0057000 [ 0.263208] vmalloc: mapping page ee1a3d80 (0x0002d56c000) at 0xf0058000 [ 0.263212] vmalloc: mapping page ee1a3da0 (0x0002d56d000) at 0xf0059000 [ 0.263216] vmalloc: mapping page ee1a3dc0 (0x0002d56e000) at 0xf005a000 [ 0.263220] vmalloc: mapping page ee1a3de0 (0x0002d56f000) at 0xf005b000 [ 0.263224] vmalloc: mapping page ee1a3e00 (0x0002d570000) at 0xf005c000 [ 0.263228] vmalloc: mapping page ee1a3e20 (0x0002d571000) at 0xf005d000 [ 0.263233] vmalloc: mapping page ee1a3e40 (0x0002d572000) at 0xf005e000 [ 0.263237] vmalloc: mapping page ee1a3e60 (0x0002d573000) at 0xf005f000 [ 0.263241] vmalloc: mapping page ee1a3e80 (0x0002d574000) at 0xf0060000 [ 0.263245] vmalloc: mapping page ee1a3ea0 (0x0002d575000) at 0xf0061000 [ 0.263249] vmalloc: mapping page ee1a3ec0 (0x0002d576000) at 0xf0062000 [ 0.263253] vmalloc: mapping page ee1a3ee0 (0x0002d577000) at 0xf0063000 [ 0.263257] vmalloc: mapping page ee1a3f00 (0x0002d578000) at 0xf0064000 [ 0.263261] vmalloc: mapping page ee1a3f20 (0x0002d579000) at 0xf0065000 [ 0.263266] vmalloc: mapping page ee1a3f40 (0x0002d57a000) at 0xf0066000 [ 0.263270] vmalloc: mapping page ee1a3f60 (0x0002d57b000) at 0xf0067000 [ 0.263274] vmalloc: mapping page ee1a3f80 (0x0002d57c000) at 0xf0068000 [ 0.263278] vmalloc: mapping page ee1a3fa0 (0x0002d57d000) at 0xf0069000 [ 0.263282] vmalloc: mapping page ee1a3fc0 (0x0002d57e000) at 0xf006a000 [ 0.263286] vmalloc: mapping page ee1a3fe0 (0x0002d57f000) at 0xf006b000 [ 0.263292] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.290044] cpuidle: using governor ladder [ 0.330042] cpuidle: using governor menu [ 0.370314] vmalloc: mapping page ef7f1000 (0x000dfc00000) at 0xfedd8000 [ 0.370321] vmalloc: mapping page ef7f1020 (0x000dfc01000) at 0xfedd9000 [ 0.370326] vmalloc: mapping page ef7f1040 (0x000dfc02000) at 0xfedda000 [ 0.370330] vmalloc: mapping page ef7f1060 (0x000dfc03000) at 0xfede2000 [ 0.370335] vmalloc: mapping page ef7f1080 (0x000dfc04000) at 0xfede3000 [ 0.370339] vmalloc: mapping page ef7f10a0 (0x000dfc05000) at 0xfede4000 [ 0.370343] vmalloc: mapping page ef7f10c0 (0x000dfc06000) at 0xfedec000 [ 0.370347] vmalloc: mapping page ef7f10e0 (0x000dfc07000) at 0xfeded000 [ 0.370351] vmalloc: mapping page ef7f1100 (0x000dfc08000) at 0xfedee000 [ 0.370356] vmalloc: mapping page ef7f1120 (0x000dfc09000) at 0xfedf6000 [ 0.370360] vmalloc: mapping page ef7f1140 (0x000dfc0a000) at 0xfedf7000 [ 0.370364] vmalloc: mapping page ef7f1160 (0x000dfc0b000) at 0xfedf8000 [ 0.370637] vgaarb: loaded [ 0.370785] SCSI subsystem initialized [ 0.371076] usbcore: registered new interface driver usbfs [ 0.371117] usbcore: registered new interface driver hub [ 0.371157] usbcore: registered new device driver usb [ 0.371400] Advanced Linux Sound Architecture Driver Initialized. [ 0.371720] Bluetooth: Core ver 2.20 [ 0.371746] NET: Registered protocol family 31 [ 0.371751] Bluetooth: HCI device and connection manager initialized [ 0.371759] Bluetooth: HCI socket layer initialized [ 0.371766] Bluetooth: L2CAP socket layer initialized [ 0.371783] Bluetooth: SCO socket layer initialized [ 0.371949] cfg80211: Calling CRDA to update world regulatory domain [ 0.372091] Switched to clocksource armada_370_xp_clocksource [ 0.378642] NET: Registered protocol family 2 [ 0.378962] TCP established hash table entries: 8192 (order: 3, 32768 bytes) [ 0.379000] TCP bind hash table entries: 8192 (order: 4, 65536 bytes) [ 0.379053] TCP: Hash tables configured (established 8192 bind 8192) [ 0.379086] TCP: reno registered [ 0.379094] UDP hash table entries: 512 (order: 2, 16384 bytes) [ 0.379113] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes) [ 0.379221] NET: Registered protocol family 1 [ 0.379382] RPC: Registered named UNIX socket transport module. [ 0.379387] RPC: Registered udp transport module. [ 0.379391] RPC: Registered tcp transport module. [ 0.379395] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.380297] futex hash table entries: 1024 (order: 4, 65536 bytes) [ 0.380870] vmalloc: mapping page ef7f13e0 (0x000dfc1f000) at 0xfeddb000 [ 0.380879] vmalloc: mapping page ef7f1400 (0x000dfc20000) at 0xfeddc000 [ 0.380884] vmalloc: mapping page ef7f1420 (0x000dfc21000) at 0xfeddd000 [ 0.380889] vmalloc: mapping page ef7f1440 (0x000dfc22000) at 0xfede5000 [ 0.380893] vmalloc: mapping page ef7f1460 (0x000dfc23000) at 0xfede6000 [ 0.380897] vmalloc: mapping page ef7f1480 (0x000dfc24000) at 0xfede7000 [ 0.380902] vmalloc: mapping page ef7f14a0 (0x000dfc25000) at 0xfedef000 [ 0.380906] vmalloc: mapping page ef7f14c0 (0x000dfc26000) at 0xfedf0000 [ 0.380910] vmalloc: mapping page ef7f14e0 (0x000dfc27000) at 0xfedf1000 [ 0.380915] vmalloc: mapping page ef7f1500 (0x000dfc28000) at 0xfedf9000 [ 0.380919] vmalloc: mapping page ef7f1520 (0x000dfc29000) at 0xfedfa000 [ 0.380923] vmalloc: mapping page ef7f1540 (0x000dfc2a000) at 0xfedfb000 [ 0.381311] bounce: pool size: 64 pages [ 0.381351] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252) [ 0.381363] io scheduler noop registered [ 0.381371] io scheduler deadline registered [ 0.381400] io scheduler cfq registered (default) [ 0.382125] armada-xp-pinctrl f1018000.pin-ctrl: registered pinctrl driver [ 0.382467] irq: Cannot allocate irq_descs @ IRQ45, assuming pre-allocated [ 0.382679] irq: Cannot allocate irq_descs @ IRQ77, assuming pre-allocated [ 0.382811] irq: Cannot allocate irq_descs @ IRQ109, assuming pre-allocated [ 0.383152] mvebu-pcie soc:pcie-controller: PCI host bridge to bus 0000:00 [ 0.383163] pci_bus 0000:00: root bus resource [io 0x1000-0xfffff] [ 0.383171] pci_bus 0000:00: root bus resource [mem 0xf8000000-0xffdfffff] [ 0.383178] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.383549] PCI: bus0: Fast back to back transfers disabled [ 0.383557] pci 0000:00:01.0: bridge configuration invalid ([bus 00-00]), reconfiguring [ 0.383566] pci 0000:00:09.0: bridge configuration invalid ([bus 00-00]), reconfiguring [ 0.383573] pci 0000:00:0a.0: bridge configuration invalid ([bus 00-00]), reconfiguring [ 0.383655] PCI: bus1: Fast back to back transfers enabled [ 0.384050] PCI: bus2: Fast back to back transfers disabled [ 0.384138] PCI: bus3: Fast back to back transfers enabled [ 0.384200] pci 0000:00:09.0: BAR 8: assigned [mem 0xf8000000-0xf80fffff] [ 0.384207] pci 0000:00:01.0: PCI bridge to [bus 01] [ 0.384219] pci 0000:02:00.0: BAR 2: assigned [mem 0xf8000000-0xf803ffff 64bit] [ 0.384236] pci 0000:02:00.0: BAR 0: assigned [mem 0xf8040000-0xf805ffff 64bit] [ 0.384252] pci 0000:02:00.0: BAR 6: assigned [mem 0xf8060000-0xf806ffff pref] [ 0.384259] pci 0000:00:09.0: PCI bridge to [bus 02] [ 0.384265] pci 0000:00:09.0: bridge window [mem 0xf8000000-0xf80fffff] [ 0.384272] pci 0000:00:0a.0: PCI bridge to [bus 03] [ 0.384379] mv_xor f1060900.xor: Marvell shared XOR driver [ 0.402098] mv_xor f1060900.xor: Self-test copy failed compare, disabling [ 0.402165] mv_xor f10f0900.xor: Marvell shared XOR driver [ 0.422111] mv_xor f10f0900.xor: Self-test copy failed compare, disabling [ 0.456847] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled [ 0.457913] console [ttyS0] disabled [ 0.477982] f1012000.serial: ttyS0 at MMIO 0xf1012000 (irq = 19, base_baud = 15625000) is a 16550A [ 2.611752] console [ttyS0] enabled [ 2.635762] f1012100.serial: ttyS1 at MMIO 0xf1012100 (irq = 20, base_baud = 15625000) is a 16550A [ 2.665671] f1012200.serial: ttyS2 at MMIO 0xf1012200 (irq = 32, base_baud = 15625000) is a 16550A [ 2.695764] f1012300.serial: ttyS3 at MMIO 0xf1012300 (irq = 33, base_baud = 15625000) is a 16550A [ 2.705352] mvsas 0000:02:00.0: mvsas: driver version 0.8.16 [ 2.711036] pci 0000:00:09.0: enabling device (0140 -> 0142) [ 2.717199] mvsas 0000:02:00.0: mvsas: PCI-E x4, Bandwidth Usage: 2.5 Gbps [ 5.962103] scsi host0: mvsas [ 6.122188] Unable to handle kernel NULL pointer dereference at virtual address 000002d4 [ 6.130298] pgd = c0004000 [ 6.133022] [000002d4] *pgd=00000000 [ 6.136617] Internal error: Oops: 5 [#1] SMP ARM [ 6.141244] Modules linked in: [ 6.144317] CPU: 0 PID: 6 Comm: kworker/u8:0 Not tainted 4.0.0-rc2-00137-gb672c98-dirty #2 [ 6.152600] Hardware name: Marvell Armada 370/XP (Device Tree) [ 6.158452] Workqueue: events_unbound async_run_entry_fn [ 6.163786] task: ed426c00 ti: ed452000 task.ti: ed452000 [ 6.169196] PC is at 0x0 [ 6.171734] LR is at 0xfafeff5c [ 6.174883] pc : [<00000000>] lr : [<fafeff5c>] psr: 00000000 [ 6.174883] sp : ffd6d7ff ip : 00000000 fp : 00000200 [ 6.186388] r10: ed453d90 r9 : 00000001 r8 : 00000000 [ 6.191624] r7 : ed5857c0 r6 : 00000000 r5 : ed80c60a r4 : 00000000 [ 6.198166] r3 : 76c06305 r2 : c200f010 r1 : 00000000 r0 : 00000000 [ 6.204709] Flags: nzcv IRQs on FIQs on Mode USER_26 ISA ARM Segment kernel [ 6.212121] Control: 10c5387d Table: 0000406a DAC: 00000015 [ 6.217880] Process kworker/u8:0 (pid: 6, stack limit = 0xed452220) [ 6.224183] ---[ end trace 93bf56ab1670c925 ]--- [ 6.228824] Unable to handle kernel NULL pointer dereference at virtual address 000002d4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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