1. breaf:
add_partition
msdos_partiton
ldm_validate_partition_table
efi_partition
[ 2.953307] [] (dump_stack+0x0/0x20) from [] (ldm_partition+0x20/0x1648)
check_partition()
[ 2.953324] [] (ldm_partition+0x0/0x1648) from [] (rescan_partitions+0x1ac/0x4c0)
[ 2.953346] [] (rescan_partitions+0x0/0x4c0) from [] (__blkdev_get+0x15c/0x334)
[ 2.953362] [] (__blkdev_get+0x0/0x334) from [] (blkdev_get+0x1ec/0x33c)
[ 2.953386] [] (blkdev_get+0x0/0x33c) from [] (register_disk+0xe4/0x164)
[ 2.953402] [] (register_disk+0x0/0x164) from [] (add_disk+0xec/0x25c)
[ 2.953412] r7:00000000 r6:d991cb28 r5:d9accc68 r4:d9accc00
[ 2.953440] [] (add_disk+0x0/0x25c) from [] (mmc_add_disk+0x18/0x70)
[ 2.953449] r8:00000000 r7:d9acc808 r6:00000000 r5:d98ed700 r4:d98ed700
[ 2.953476] [] (mmc_add_disk+0x0/0x70) from [] (mmc_blk_probe+0x19c/0x224)
[ 2.953486] r5:d98ed700 r4:d9acc800
[ 2.953507] [] (mmc_blk_probe+0x0/0x224) from [] (mmc_bus_probe+0x1c/0x24)
[ 2.953517] r8:00061a80 r7:c060c774 r6:c0278314 r5:d9acc808 r4:d9acc808
[ 2.953545] [] (mmc_bus_probe+0x0/0x24) from [] (driver_probe_device+0x108/0x1e4)
[ 2.953561] [] (driver_probe_device+0x0/0x1e4) from [] (__device_attach+0x44/0x4c)
[ 2.953571] r7:00000000 r6:c0278314 r5:d9acc808 r4:c060c774
[ 2.953600] [] (__device_attach+0x0/0x4c) from [] (bus_for_each_drv+0x54/0x94)
[ 2.953610] r5:d985de28 r4:d9acc808
[ 2.953627] [] (bus_for_each_drv+0x0/0x94) from [] (device_attach+0x98/0xc8)
[ 2.953637] r7:00000000 r6:00000000 r5:d9acc83c r4:d9acc808
[ 2.953659] [] (device_attach+0x0/0xc8) from [] (bus_probe_device+0x2c/0x4c)
[ 2.953669] r7:00000000 r6:00000000 r5:d9acc810 r4:d9acc808
[ 2.953693] [] (bus_probe_device+0x0/0x4c) from [] (device_add+0x3dc/0x570)
[ 2.953711] [] (device_add+0x0/0x570) from [] (mmc_add_card+0x140/0x194)
[ 2.953729] [] (mmc_add_card+0x0/0x194) from [] (mmc_attach_sd+0x1a4/0x22c)
[ 2.953739] r6:d980a220 r5:00000000 r4:d980a000
[ 2.953761] [] (mmc_attach_sd+0x0/0x22c) from [] (mmc_rescan+0x1f0/0x260)
2, detailed in SD card partition checking
[ 212.661342] check partition__________________________________________________
[ 212.668991] Backtrace:
[ 212.671568] [] (dump_backtrace+0x0/0x118) from [] (dump_stack+0x18/0x20)
[ 212.680289] r7:00000000 r6:d82f8b80 r5:d82f8b0c r4:d997f410
[ 212.686219] [] (dump_stack+0x0/0x20) from [] (mmc_request+0x18/0x74)
[ 212.694589] [] (mmc_request+0x0/0x74) from [] (__blk_run_queue+0x20/0x28)
[ 212.703397] r5:00000003 r4:d997f410
[ 212.707135] [] (__blk_run_queue+0x0/0x28) from [] (__make_request+0x288/0x2a0)
[ 212.716398] [] (__make_request+0x0/0x2a0) from [] (generic_make_request+0x31c/0x38c)
[ 212.726191] r8:d997f410 r7:00000000 r6:01dacc00 r5:d985c000 r4:d82f8b80
[ 212.733208] [] (generic_make_request+0x0/0x38c) from [] (submit_bio+0x134/0x158)
[ 212.742655] [] (submit_bio+0x0/0x158) from [] (submit_bh+0x14c/0x170)
[ 212.751110] [] (submit_bh+0x0/0x170) from [] (block_read_full_page+0x320/0x344)
[ 212.760456] r7:d985d9f0 r6:00000002 r5:d985d9f0 r4:00000000
[ 212.766380] [] (block_read_full_page+0x0/0x344) from [] (blkdev_readpage+0x18/0x24)
[ 212.776096] [] (blkdev_readpage+0x0/0x24) from [] (do_read_cache_page+0x94/0x154)
[ 212.785627] [] (do_read_cache_page+0x0/0x154) from [] (read_cache_page_async+0x24/0x2c)
[ 212.795696] [] (read_cache_page_async+0x0/0x2c) from [] (read_cache_page+0x10/0x1c)
[ 212.805410] [] (read_cache_page+0x0/0x1c) from [] (read_dev_sector+0x34/0x70)
[ 212.814582] [] (read_dev_sector+0x0/0x70) from [] (read_lba+0xdc/0x140)
[ 212.823209] r5:00000000 r4:00000200
[ 212.826946] [] (read_lba+0x0/0x140) from [] (efi_partition+0xb8/0xdfc)
[ 212.835490] [] (efi_partition+0x0/0xdfc) from [] (rescan_partitions+0x1ac/0x4b8)
[ 212.844932] [] (rescan_partitions+0x0/0x4b8) from [] (__blkdev_get+0x15c/0x334)
[ 212.854283] [] (__blkdev_get+0x0/0x334) from [] (blkdev_get+0x1ec/0x33c)
[ 212.863011] [] (blkdev_get+0x0/0x33c) from [] (register_disk+0xe4/0x164)
[ 212.871734] [] (register_disk+0x0/0x164) from [] (add_disk+0xec/0x25c)
[ 212.880272] r7:00000000 r6:d997f410 r5:d604f468 r4:d604f400
[ 212.886197] [] (add_disk+0x0/0x25c) from [] (mmc_add_disk+0x18/0x70)
[ 212.894556] r8:00000000 r7:d604f808 r6:00000000 r5:d82f8b00 r4:d82f8b00
[ 212.901573] [] (mmc_add_disk+0x0/0x70) from [] (mmc_blk_probe+0x19c/0x224)
[ 212.910469] r5:d82f8b00 r4:d604f800
[ 212.914211] [] (mmc_blk_probe+0x0/0x224) from [] (mmc_bus_probe+0x1c/0x24)
[ 212.923107] r8:00061a80 r7:c060c774 r6:c02782ec r5:d604f808 r4:d604f808
[ 212.930125] [] (mmc_bus_probe+0x0/0x24) from [] (driver_probe_device+0x108/0x1e4)
[ 212.939654] [] (driver_probe_device+0x0/0x1e4) from [] (__device_attach+0x44/0x4c)
[ 212.949269] r7:00000000 r6:c02782ec r5:d604f808 r4:c060c774
[ 212.955195] [] (__device_attach+0x0/0x4c) from [] (bus_for_each_drv+0x54/0x94)
[ 212.964451] r5:d985de28 r4:d604f808
[ 212.968189] [] (bus_for_each_drv+0x0/0x94) from [] (device_attach+0x98/0xc8)
[ 212.977264] r7:00000000 r6:00000000 r5:d604f83c r4:d604f808
[ 212.983189] [] (device_attach+0x0/0xc8) from [] (bus_probe_device+0x2c/0x4c)
[ 212.992265] r7:00000000 r6:00000000 r5:d604f810 r4:d604f808
[ 212.998191] [] (bus_probe_device+0x0/0x4c) from [] (device_add+0x3dc/0x570)
[ 213.007183] [] (device_add+0x0/0x570) from [] (mmc_add_card+0x140/0x194)
[ 213.015908] [] (mmc_add_card+0x0/0x194) from [] (mmc_attach_sd+0x1a4/0x22c)
[ 213.024895] r6:d9b01e20 r5:00000000 r4:d9b01c00
[ 213.029724] [] (mmc_attach_sd+0x0/0x22c) from [] (mmc_rescan+0x1f0/0x260)
[ 213.038530] r5:00000004 r4:d9b01c00
[ 213.042272] [] (mmc_rescan+0x0/0x260) from [] (process_one_work+0x274/0x3e8)
[ 213.051348] r9:d980e710 r8:d9b01e20 r7:c03277d0 r6:d9a48800 r5:c0621d60
[ 213.058163] r4:d980e700
[ 213.060910] [] (process_one_work+0x0/0x3e8) from [] (worker_thread+0x250/0x434)
[ 213.070263] [] (worker_thread+0x0/0x434) from [] (kthread+0x8c/0x94)
[ 213.078630] [] (kthread+0x0/0x94) from [] (do_exit+0x0/0x66c)
[ 213.086359] r7:00000013 r6:c0077514 r5:c008f140 r4:d9845eb8
