| 2017-10-03 16:00:43 |
Manoj Iyer |
description |
[Impact]
Running LTP rwtest casues system crash on ARM64 with 4k pages in THP code.
Ubuntu Artful Aardvark (development branch) XXX ttyAMA1
XXX login: [412822.864619] Unable to handle kernel paging request at virtual address ffffb119c0000fc0
[412822.871676] swapper pgtable: 4k pages, 48-bit VAs, pgd = ffff14a623699000
[412822.878551] [ffffb119c0000fc0] *pgd=00000017ffff7003, *pud=00000017ffff6003, *pmd=0000000000000000
[412822.887571] Internal error: Oops: 96000006 [#1] SMP
[412822.892499] Modules linked in: binfmt_misc nls_iso8859_1 shpchp tpm_crb ipmi_ssif cppc_cpufreq ipmi_devintf ipmi_msghandler hdma i2c_qup hdma_mgmt ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear uas usb_storage at803x aes_ce_blk aes_ce_cipher crc32_ce crct10dif_ce ghash_ce mlx5_core sha2_ce sha1_ce mlxfw devlink ptp pps_core ahci_platform libahci_platform libahci qcom_emac sdhci_acpi sdhci xhci_plat_hcd aes_neon_bs aes_neon_blk crypto_simd cryptd
[412822.949443] CPU: 3 PID: 19639 Comm: doio Not tainted 4.13.0-12-generic #13-Ubuntu
[412822.956993] Hardware name: XXX
[412822.970882] task: ffffb1314c43ad00 task.stack: ffffb1314c610000
[412822.976877] PC is at check_pte+0x20/0x148
[412822.980953] LR is at page_vma_mapped_walk+0x244/0x4c0
[412822.986073] pc : [<ffff14a6222d8070>] lr : [<ffff14a6222d83dc>] pstate: 00400145
[412822.993538] sp : ffffb1314c613770
[412822.996923] x29: ffffb1314c613770 x28: ffffb1314c613be0
[412823.002305] x27: 0000ffffaf7f8000 x26: 0008000000000080
[412823.007687] x25: 00000000000001f8 x24: 0400000000000001
[412823.013069] x23: ffff14a622e8f000 x22: ffffb12c9afc8400
[412823.018451] x21: ffff7ec4bedfe080 x20: 0400000000000001
[412823.023833] x19: ffffb1314c613850 x18: 0000000000000001
[412823.029215] x17: 0000000000000001 x16: 0000000000000000
[412823.034597] x15: 0000000000000000 x14: ffffb12579b91fd0
[412823.039979] x13: 0000000000000040 x12: ffffffffffffff83
[412823.045360] x11: 0000000000000000 x10: ffffb131bffddd00
[412823.050742] x9 : 0000000000000006 x8 : 0000000000000001
[412823.056124] x7 : ffff14a623051811 x6 : 0000008000080000
[412823.061506] x5 : 01ffff000000107d x4 : ffff14a6222d96e0
[412823.066888] x3 : 0000000000000001 x2 : 0000000000000001
[412823.072270] x1 : ffffb119c0000fc0 x0 : 0000000000000001
[412823.077652] Process doio (pid: 19639, stack limit = 0xffffb1314c610000)
[412823.084336] Stack: (0xffffb1314c613770 to 0xffffb1314c614000)
[412823.090152] 3760: ffffb1314c613790 ffff14a6222d83dc
[412823.098052] 3780: ffffb1314c613850 ffffb12500000000 ffffb1314c6137e0 ffff14a6222d97a0
[412823.105951] 37a0: ffffb13144152af0 ffffb1314c61393c 0000ffffaf7f9000 0040000000000001
[412823.113850] 37c0: 0040000000000041 ffffb1314c61393c 0000000000000000 0000000001011200
[412823.121750] 37e0: ffffb1314c613890 ffff14a6222d9a40 0000ffffaf7f8000 ffff7ec4bedfe080
[412823.129649] 3800: ffffb1314c613940 00000000000009a1 00000000000009a1 ffffb12579cd3d70
[412823.137548] 3820: 0000000000000000 ffffb13144152af0 ffffb12579cd3d98 ffffb1314c613be0
[412823.145447] 3840: ffffb1306b144bb8 0000ffffaf7f9000 ffff7ec4bedfe080 ffffb13144152af0
[412823.153347] 3860: 0000ffffaf7f8000 ffffb130ff713bd8 ffffb119c0000fc0 ffff7ec4b6a854b0
[412823.161246] 3880: 0000000000000001 0000000000040d00 ffffb1314c6138f0 ffff14a6222dbb0c
[412823.169145] 38a0: ffff7ec4bedfe080 ffffb1314c613940 0000000000000001 ffffb1314c613be0
[412823.177045] 38c0: ffffb1257880ebc8 0000000000000000 ffffb12579cd3d70 0000000000000002
[412823.184944] 38e0: ffff14a623428000 ffff14a62240ebd0 ffffb1314c613910 ffff14a6222dbda4
[412823.192843] 3900: ffff14a623428000 ffff7ec4bedfe080 ffffb1314c613970 ffff14a62229a210
[412823.200743] 3920: ffff7ec4bedfe080 ffffb12579cd3bf8 ffff7ec4a803a280 000000012240e7e8
[412823.208642] 3940: ffffb1314c61393c ffff14a6222d96e0 0000000000000000 0000000000000000
[412823.216541] 3960: ffff14a6222d9340 0000000000040d00 ffffb1314c6139b0 ffff14a6223ed224
[412823.224441] 3980: ffffb1314c613be0 ffff7ec4bedfe080 0000000000000c35 ffffb1314c613be0
[412823.232340] 39a0: ffffb1257880ebc8 00000001000009c0 ffffb1314c6139d0 ffff14a6223ed3e4
[412823.240239] 39c0: ffffb1257880ebc8 00000000000009a2 ffffb1314c613a10 ffff14a6223ed530
[412823.248138] 39e0: ffff7ec4bedfe080 ffffb1314c613ac0 7fffffffffffffeb ffffb1314c613af8
[412823.256038] 3a00: 0000000000000c34 ffff14a6222f5858 ffffb1314c613b00 ffff14a6223f2f60
[412823.263937] 3a20: 0000000004000000 ffffb12579cd3bf8 ffffb1314c613d18 ffff14a623428000
[412823.271836] 3a40: ffffb1314abd1000 ffffb12579cd3d70 ffffb1314abd1580 0000000000000000
[412823.279736] 3a60: 7fffffffffffffff 0000000000000000 00000000000009a9 000000000000000e
[412823.287635] 3a80: 0000000000000000 ffff7ec4b6144ec0 ffff7ec49d3c21c0 ffff7ec4b737c940
[412823.295534] 3aa0: ffff7ec4a02a1580 ffff7ec4bca37140 ffff7ec4a803a280 ffff7ec4bedfe080
[412823.303433] 3ac0: ffff7ec4ae9d6080 ffff7ec4bef06a40 ffff7ec4bde80980 ffff7ec4a0e36380
[412823.311333] 3ae0: ffff7ec4bbd0c0c0 ffff7ec4b7a297c0 ffff7ec4affc3e80 0000000000040d00
[412823.319232] 3b00: ffffb1314c613c50 ffff14a62229cddc ffffb1314c613d18 ffffb12579cd3d70
[412823.327132] 3b20: ffffb12579cd3bf8 ffff14a623428000 ffff14a622299c80 0000000000c34fff
[412823.335031] 3b40: ffffb12c9aeebf00 0000000000000000 0000000000000000 0000000000000000
[412823.342930] 3b60: ffff14a622b34f88 ffff14a622372c18 ffff7ec4adab8f40 0000000000000000
[412823.350829] 3b80: ffffb1314c613bb0 0000000000000000 ffffb1314abd1580 0000000100000000
[412823.358729] 3ba0: 0000000000000000 ffff14a622b34bd0 ffffb1314c613bb0 ffffb1314c613bb0
[412823.366628] 3bc0: ffffb1314c613bc0 ffffb1314c613bc0 ffffb1314c613bd0 ffffb1314c613bd0
[412823.374527] 3be0: ffffb12579cd3bf8 ffffb1314c613d18 00000000000009a1 00000000000009a2
[412823.382427] 3c00: 0000000000000c34 ffff14a6222c8f70 00000000adab8f40 ffffb12579cd3d70
[412823.390326] 3c20: ffffb1314c613d18 ffffb130ff513d00 ffffb1312e0066c0 00000000004e31a1
[412823.398225] 3c40: ffffb1314c613cf0 0000000000040d00 ffffb1314c613cd0 ffff14a62228c66c
[412823.406124] 3c60: ffff14a623428000 ffffb12579cd3d70 ffffb12579cd3bf8 0000000000c34fff
[412823.414024] 3c80: 0000000000000000 ffffb1306b144bb8 0000ffffaf800000 0000000000000040
[412823.421923] 3ca0: ffffb1314c613d60 ffff14a6222ceadc ffffb1314c613cd0 ffff14a62228c660
[412823.429822] 3cc0: ffff14a623428000 0000000000040d00 ffffb1314c613d80 ffff14a62228ce78
[412823.437722] 3ce0: ffffb12579cd3d70 ffffb12579cd3bf8 ffffb12c9aeebf00 0000000000000000
[412823.445621] 3d00: 0000000000c34fff 0000ffffaf804000 ffffb12daa9a1be0 7fffffffffffffeb
[412823.453520] 3d20: 0000000000000000 0000000000000000 0000000000c34fff 0000000000000001
[412823.461420] 3d40: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
[412823.469319] 3d60: 0000000000000000 0000000000000000 0000000000000000 0000000000040d00
[412823.477218] 3d80: ffffb1314c613dc0 ffff14a6223e1bf0 0000000000000000 ffffb12579cd3bf8
[412823.485118] 3da0: 0000000000000001 ffffb1314abd5800 0000000000000000 ffffb1314c613ec0
[412823.493017] 3dc0: ffffb1314c613e10 ffff14a62236b634 ffffb12c9aeebf00 0000000000000001
[412823.500916] 3de0: 0000000000000000 0000000000c34fff ffffb12c9aeebf00 ffffb12c9afcc068
[412823.508816] 3e00: ffffb12c9afcc000 ffff14a6222d1ac4 ffffb1314c613e50 ffff14a6222d7ff8
[412823.516715] 3e20: 0000ffffafa8c000 0000ffffaee57000 0000ffffafa8c000 0000000000000004
[412823.524614] 3e40: 0000ffffafa8c000 0000000000000006 0000000000000000 ffff14a6220f3930
[412823.532513] 3e60: 0000000000000000 00009c8b3c710000 ffffffffffffffff 0000ffffafbf46e0
[412823.540413] 3e80: 0000000080000000 0000000000000015 0000000000000124 00000000000000e3
[412823.548312] 3ea0: ffff14a622b01000 ffffb1314c43ad00 ffffffffffffffff ffff0000511a9000
[412823.556211] 3ec0: 0000ffffaee57000 0000000000c35000 0000000000000004 0000000000000000
[412823.564111] 3ee0: 0000aaaae3248f66 0000ffffaf8045d5 3670657277613a39 3a472a6f696f643a
[412823.572010] 3f00: 00000000000000e3 696f643a36706572 333639313a472a6f 3670657277613a39
[412823.579909] 3f20: 472a6f696f643a36 613a39333639313a 0000000000000003 0000000000000000
[412823.587809] 3f40: 0000aaaadcd52c80 0000ffffafbf46b8 0000000000000001 0000aaaae3229030
[412823.595708] 3f60: 0000aaaadcd53470 0000ffffffd09a40 0000aaaadcd52000 0000aaaae3210280
[412823.603607] 3f80: 0000000000000001 0000aaaae3229054 0000ffffaee57000 0000000000000006
[412823.611507] 3fa0: 0000ffffffd09a40 0000ffffffd09410 0000aaaadcd38f8c 0000ffffffd09410
[412823.619406] 3fc0: 0000ffffafbf46e0 0000000080000000 0000ffffaee57000 00000000000000e3
[412823.627305] 3fe0: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
[412823.635204] Call trace:
[412823.637722] Exception stack(0xffffb1314c613580 to 0xffffb1314c6136b0)
[412823.644232] 3580: ffffb1314c613850 0001000000000000 ffffb1314c613770 ffff14a6222d8070
[412823.652131] 35a0: 0000000000400145 0000000000000000 0000000000000000 0000000000000000
[412823.660031] 35c0: ffffb1314c6135e0 ffff14a6223028b0 ffffb130ff513d00 ffff14a6223c5bd0
[412823.667930] 35e0: ffffb1314c613620 ffff14a62228e3c8 ffffb1315e007a80 0000000001091220
[412823.675829] 3600: ffffb13156d9be00 0000000001091220 0000000000000000 ffffb13136394f78
[412823.683729] 3620: ffffb1314c613640 ffff14a62228e740 0000000001091220 0000000000040d00
[412823.691628] 3640: 0000000000000001 ffffb119c0000fc0 0000000000000001 0000000000000001
[412823.699527] 3660: ffff14a6222d96e0 01ffff000000107d 0000008000080000 ffff14a623051811
[412823.707427] 3680: 0000000000000001 0000000000000006 ffffb131bffddd00 0000000000000000
[412823.715326] 36a0: ffffffffffffff83 0000000000000040
[412823.720275] [<ffff14a6222d8070>] check_pte+0x20/0x148
[412823.725395] [<ffff14a6222d83dc>] page_vma_mapped_walk+0x244/0x4c0
[412823.731559] [<ffff14a6222d97a0>] page_mkclean_one+0xc0/0x278
[412823.737288] [<ffff14a6222d9a40>] rmap_walk_file+0xe8/0x228
[412823.742844] [<ffff14a6222dbb0c>] rmap_walk+0x64/0xa0
[412823.747878] [<ffff14a6222dbda4>] page_mkclean+0xb4/0xc8
[412823.753175] [<ffff14a62229a210>] clear_page_dirty_for_io+0x80/0x220
[412823.759513] [<ffff14a6223ed224>] mpage_submit_page+0x34/0x90
[412823.765239] [<ffff14a6223ed3e4>] mpage_process_page_bufs+0x164/0x170
[412823.771663] [<ffff14a6223ed530>] mpage_prepare_extent_to_map+0x140/0x2d8
[412823.778434] [<ffff14a6223f2f60>] ext4_writepages+0x3d8/0xcf8
[412823.784163] [<ffff14a62229cddc>] do_writepages+0x5c/0x108
[412823.789632] [<ffff14a62228c66c>] __filemap_fdatawrite_range+0xec/0x128
[412823.796229] [<ffff14a62228ce78>] file_write_and_wait_range+0x58/0xe8
[412823.802653] [<ffff14a6223e1bf0>] ext4_sync_file+0x80/0x468
[412823.808209] [<ffff14a62236b634>] vfs_fsync_range+0x64/0xc0
[412823.813763] [<ffff14a6222d7ff8>] SyS_msync+0x188/0x1e0
[412823.818973] [<ffff14a6220f3930>] el0_svc_naked+0x24/0x28
[412823.824354] Code: aa1e03e0 d503201f b9403260 f9401261 (f9400021)
[412823.830518] ---[ end trace 1d08e28a6fe8dd8e ]---
[412850.810875] watchdog: BUG: soft lockup - CPU#30 stuck for 23s! [doio:19640]
[412850.816964] Modules linked in: binfmt_misc nls_iso8859_1 shpchp tpm_crb ipmi_ssif cppc_cpufreq ipmi_devintf ipmi_msghandler hdma i2c_qup hdma_mgmt ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear uas usb_storage at803x aes_ce_blk aes_ce_cipher crc32_ce crct10dif_ce ghash_ce mlx5_core sha2_ce sha1_ce mlxfw devlink ptp pps_core ahci_platform libahci_platform libahci qcom_emac sdhci_acpi sdhci xhci_plat_hcd aes_neon_bs aes_neon_blk crypto_simd cryptd
[412850.873911] CPU: 30 PID: 19640 Comm: doio Tainted: G D 4.13.0-12-generic #13-Ubuntu
[412850.882762] Hardware name: XXX
[412850.896652] task: ffffb1314c438f00 task.stack: ffffb13151150000
[412850.902647] PC is at _raw_spin_lock+0x38/0x58
[412850.907073] LR is at alloc_set_pte+0x1cc/0x500
[412850.911582] pc : [<ffff14a622aec4a8>] lr : [<ffff14a6222cc544>] pstate: 40400145
[412850.919046] sp : ffffb13151153bd0
[412850.922431] x29: ffffb13151153bd0 x28: 0000000000000002
[412850.927814] x27: ffffb12c9afc8468 x26: 0000000000000000
[412850.933195] x25: ffffb13144152af0 x24: 0000000000000001
[412850.938577] x23: 0000000000000000 x22: ffffb13144152af0
[412850.943959] x21: ffff7ec4b7d1a980 x20: ffffb13151153cf0
[412850.949341] x19: ffff7ec4b6a854b0 x18: 0000000000000001
[412850.954723] x17: 0000000000000000 x16: 0000000000000000
[412850.960105] x15: 0000000000000000 x14: 0000000000000001
[412850.965487] x13: 313a4e2a6f696f64 x12: 3a3670657277613a
[412850.970869] x11: ffff14a623428c08 x10: 0000000000000001
[412850.976251] x9 : 0000000000000228 x8 : 0000000000000034
[412850.981633] x7 : 0008000000000000 x6 : ffffb12579ef1918
[412850.987015] x5 : 0000000000000000 x4 : 0000000000000010
[412850.992397] x3 : ffff7e0000000000 x2 : 0000000000000001
[412850.997779] x1 : 0000000000000003 x0 : 0000000000020001
[412851.003161] Call trace:
[412851.005680] Exception stack(0xffffb13151153aa0 to 0xffffb13151153bd0)
[412851.012191] 3aa0: 0000000000020001 0000000000000003 0000000000000001 ffff7e0000000000
[412851.020089] 3ac0: 0000000000000010 0000000000000000 ffffb12579ef1918 0008000000000000
[412851.027989] 3ae0: 0000000000000034 0000000000000228 0000000000000001 ffff14a623428c08
[412851.035888] 3b00: 3a3670657277613a 313a4e2a6f696f64 0000000000000001 0000000000000000
[412851.043787] 3b20: 0000000000000000 0000000000000000 0000000000000001 ffff7ec4b6a854b0
[412851.051686] 3b40: ffffb13151153cf0 ffff7ec4b7d1a980 ffffb13144152af0 0000000000000000
[412851.059585] 3b60: 0000000000000001 ffffb13144152af0 0000000000000000 ffffb12c9afc8468
[412851.067485] 3b80: 0000000000000002 ffffb13151153bd0 ffff14a6222cc544 ffffb13151153bd0
[412851.075384] 3ba0: ffff14a622aec4a8 0000000040400145 ffffb13151153c30 ffff14a6222c8570
[412851.083283] 3bc0: 0001000000000000 ffffb13144152af0
[412851.088233] [<ffff14a622aec4a8>] _raw_spin_lock+0x38/0x58
[412851.093701] [<ffff14a6222cc544>] alloc_set_pte+0x1cc/0x500
[412851.099256] [<ffff14a6222cc8c8>] finish_fault+0x50/0x90
[412851.104551] [<ffff14a6222cca5c>] do_fault+0x154/0x4e0
[412851.109673] [<ffff14a6222ce658>] __handle_mm_fault+0x418/0x7c8
[412851.115575] [<ffff14a6222ceadc>] handle_mm_fault+0xd4/0x170
[412851.121218] [<ffff14a622aeea18>] do_page_fault+0x240/0x418
[412851.126774] [<ffff14a6220f1244>] do_mem_abort+0x6c/0xe0
[412851.132068] Exception stack(0xffffb13151153e00 to 0xffffb13151153f30)
[412851.138579] 3e00: 0000000000000000 00009c8b3ca04000 ffffffffffffffff 0000ffffafb120f0
[412851.146478] 3e20: 0000000020000000 0000000000000000 0000000000c35000 0000000000000003
[412851.154377] 3e40: 0000000000000001 0000000000000007 0000000000000124 00000000000000de
[412851.162277] 3e60: ffff14a622b01000 0000000000c35000 0000000059d3b0bc 0000000000040d00
[412851.170176] 3e80: 0000000000000000 ffff14a6220f3930 0000000000000000 00009c8b3ca04000
[412851.178075] 3ea0: ffffffffffffffff 0000ffffafb58a24 0000000040000000 0000000000040d00
[412851.185974] 3ec0: 0000ffffaf78a6d1 0000aaaae3226870 000000000001addc 0000ffffaf78afd0
[412851.193874] 3ee0: 0000aaaae324169c 0000ffffaf7a5e3c 7277613a30343639 6f696f643a367065
[412851.201773] 3f00: 30343639313a4e2a 3a3670657277613a 6f696f643a367065 30343639313a4e2a
[412851.209672] 3f20: 3a3670657277613a 313a4e2a6f696f64
[412851.214620] [<ffff14a6220f3508>] el0_da+0x20/0x24
[412882.885567] INFO: rcu_sched self-detected stall on CPU
[412882.889836] 30-...: (14897 ticks this GP) idle=c4e/140000000000001/0 softirq=311560/311560 fqs=7454
[412882.899119] (t=15000 jiffies g=473052 c=473051 q=2094)
[412882.904503] Task dump for CPU 30:
[412882.907888] doio R running task 0 19640 19637 0x00000002
[412882.915006] Call trace:
[412882.917528] [<ffff14a6220fb630>] dump_backtrace+0x0/0x278
[412882.922994] [<ffff14a6220fbc24>] show_stack+0x24/0x30
[412882.928117] [<ffff14a622179188>] sched_show_task+0xe8/0x130
[412882.933758] [<ffff14a62217a710>] dump_cpu_task+0x48/0x58
[412882.939143] [<ffff14a6221bbc8c>] rcu_dump_cpu_stacks+0x9c/0xe4
[412882.945042] [<ffff14a6221bb2a4>] rcu_check_callbacks+0x694/0x8d8
[412882.951120] [<ffff14a6221c2a9c>] update_process_times+0x34/0x60
[412882.957108] [<ffff14a6221d48fc>] tick_sched_handle.isra.5+0x34/0x70
[412882.963444] [<ffff14a6221d4980>] tick_sched_timer+0x48/0x98
[412882.969087] [<ffff14a6221c32c4>] __hrtimer_run_queues+0xe4/0x2c0
[412882.975163] [<ffff14a6221c3e48>] hrtimer_interrupt+0xa8/0x230
[412882.980983] [<ffff14a622946740>] arch_timer_handler_phys+0x38/0x58
[412882.987232] [<ffff14a6221acec0>] handle_percpu_devid_irq+0x90/0x260
[412882.993566] [<ffff14a6221a6c94>] generic_handle_irq+0x34/0x50
[412882.997591] INFO: rcu_sched detected stalls on CPUs/tasks:
[412883.004937] [<ffff14a6221a73a8>] __handle_domain_irq+0x68/0xc0
[412883.010840] [<ffff14a6220f1694>] gic_handle_irq+0x84/0x188
[412883.016395] Exception stack(0xffffb13151153aa0 to 0xffffb13151153bd0)
[412883.022906] 3aa0: 0000000000020001 0000000000000003 0000000000000001 ffff7e0000000000
[412883.030805] 3ac0: 0000000000000010 0000000000000000 ffffb12579ef1918 0008000000000000
[412883.038705] 3ae0: 0000000000000034 0000000000000228 0000000000000001 ffff14a623428c08
[412883.046604] 3b00: 3a3670657277613a 313a4e2a6f696f64 0000000000000001 0000000000000000
[412883.054503] 3b20: 0000000000000000 0000000000000000 0000000000000001 ffff7ec4b6a854b0
[412883.062402] 3b40: ffffb13151153cf0 ffff7ec4b7d1a980 ffffb13144152af0 0000000000000000
[412883.070302] 3b60: 0000000000000001 ffffb13144152af0 0000000000000000 ffffb12c9afc8468
[412883.078201] 3b80: 0000000000000002 ffffb13151153bd0 ffff14a6222cc544 ffffb13151153bd0
[412883.086100] 3ba0: ffff14a622aec4a8 0000000040400145 ffffb13151153c30 ffff14a6222c8570
[412883.093999] 3bc0: 0001000000000000 ffffb13144152af0
[412883.098947] [<ffff14a6220f315c>] el1_irq+0xdc/0x180
[412883.103898] [<ffff14a622aec4a8>] _raw_spin_lock+0x38/0x58
[412883.109367] [<ffff14a6222cc544>] alloc_set_pte+0x1cc/0x500
[412883.114920] [<ffff14a6222cc8c8>] finish_fault+0x50/0x90
[412883.120215] [<ffff14a6222cca5c>] do_fault+0x154/0x4e0
[412883.125337] [<ffff14a6222ce658>] __handle_mm_fault+0x418/0x7c8
[412883.131240] [<ffff14a6222ceadc>] handle_mm_fault+0xd4/0x170
[412883.136882] [<ffff14a622aeea18>] do_page_fault+0x240/0x418
[412883.142437] [<ffff14a6220f1244>] do_mem_abort+0x6c/0xe0
[412883.147732] Exception stack(0xffffb13151153e00 to 0xffffb13151153f30)
[412883.154243] 3e00: 0000000000000000 00009c8b3ca04000 ffffffffffffffff 0000ffffafb120f0
[412883.162142] 3e20: 0000000020000000 0000000000000000 0000000000c35000 0000000000000003
[412883.170041] 3e40: 0000000000000001 0000000000000007 0000000000000124 00000000000000de
[412883.177941] 3e60: ffff14a622b01000 0000000000c35000 0000000059d3b0bc 0000000000040d00
[412883.185840] 3e80: 0000000000000000 ffff14a6220f3930 0000000000000000 00009c8b3ca04000
[412883.193739] 3ea0: ffffffffffffffff 0000ffffafb58a24 0000000040000000 0000000000040d00
[412883.201639] 3ec0: 0000ffffaf78a6d1 0000aaaae3226870 000000000001addc 0000ffffaf78afd0
[412883.209538] 3ee0: 0000aaaae324169c 0000ffffaf7a5e3c 7277613a30343639 6f696f643a367065
[412883.217437] 3f00: 30343639313a4e2a 3a3670657277613a 6f696f643a367065 30343639313a4e2a
[412883.225336] 3f20: 3a3670657277613a 313a4e2a6f696f64
[412883.230284] [<ffff14a6220f3508>] el0_da+0x20/0x24
[412883.235064] 30-...: (14897 ticks this GP) idle=c4e/140000000000001/0 softirq=311560/311560 fqs=7455
[412883.244347] (detected by 8, t=15089 jiffies, g=473052, c=473051, q=2318)
[412883.251205] Task dump for CPU 30:
[412883.254589] doio R running task 0 19640 19637 0x00000002
[412883.261707] Call trace:
[412883.264228] [<ffff14a6220f6020>] __switch_to+0x98/0xb0
[412883.269433] [< (null)>] (null)
[Test]
Compile LTP and run the following test:
sudo ./runltp -p -f fs -s rwtest
[Fix]
The following patch posted to linux-arm-kernel fixes this issue.
http://lists.infradead.org/pipermail/linux-arm-kernel/2017-September/533623.html
[Regression Potential]
This patch applies to ARM64 and does not impact any other architecture. Regression potential none. |
[Impact]
Running LTP rwtest casues system crash on ARM64 with 4k pages in THP code.
Ubuntu Artful Aardvark (development branch) XXX ttyAMA1
XXX login: [412822.864619] Unable to handle kernel paging request at virtual address ffffb119c0000fc0
[412822.871676] swapper pgtable: 4k pages, 48-bit VAs, pgd = ffff14a623699000
[412822.878551] [ffffb119c0000fc0] *pgd=00000017ffff7003, *pud=00000017ffff6003, *pmd=0000000000000000
[412822.887571] Internal error: Oops: 96000006 [#1] SMP
[412822.892499] Modules linked in: binfmt_misc nls_iso8859_1 shpchp tpm_crb ipmi_ssif cppc_cpufreq ipmi_devintf ipmi_msghandler hdma i2c_qup hdma_mgmt ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear uas usb_storage at803x aes_ce_blk aes_ce_cipher crc32_ce crct10dif_ce ghash_ce mlx5_core sha2_ce sha1_ce mlxfw devlink ptp pps_core ahci_platform libahci_platform libahci qcom_emac sdhci_acpi sdhci xhci_plat_hcd aes_neon_bs aes_neon_blk crypto_simd cryptd
[412822.949443] CPU: 3 PID: 19639 Comm: doio Not tainted 4.13.0-12-generic #13-Ubuntu
[412822.956993] Hardware name: XXX
[412822.970882] task: ffffb1314c43ad00 task.stack: ffffb1314c610000
[412822.976877] PC is at check_pte+0x20/0x148
[412822.980953] LR is at page_vma_mapped_walk+0x244/0x4c0
[412822.986073] pc : [<ffff14a6222d8070>] lr : [<ffff14a6222d83dc>] pstate: 00400145
[412822.993538] sp : ffffb1314c613770
[412822.996923] x29: ffffb1314c613770 x28: ffffb1314c613be0
[412823.002305] x27: 0000ffffaf7f8000 x26: 0008000000000080
[412823.007687] x25: 00000000000001f8 x24: 0400000000000001
[412823.013069] x23: ffff14a622e8f000 x22: ffffb12c9afc8400
[412823.018451] x21: ffff7ec4bedfe080 x20: 0400000000000001
[412823.023833] x19: ffffb1314c613850 x18: 0000000000000001
[412823.029215] x17: 0000000000000001 x16: 0000000000000000
[412823.034597] x15: 0000000000000000 x14: ffffb12579b91fd0
[412823.039979] x13: 0000000000000040 x12: ffffffffffffff83
[412823.045360] x11: 0000000000000000 x10: ffffb131bffddd00
[412823.050742] x9 : 0000000000000006 x8 : 0000000000000001
[412823.056124] x7 : ffff14a623051811 x6 : 0000008000080000
[412823.061506] x5 : 01ffff000000107d x4 : ffff14a6222d96e0
[412823.066888] x3 : 0000000000000001 x2 : 0000000000000001
[412823.072270] x1 : ffffb119c0000fc0 x0 : 0000000000000001
[412823.077652] Process doio (pid: 19639, stack limit = 0xffffb1314c610000)
[412823.084336] Stack: (0xffffb1314c613770 to 0xffffb1314c614000)
[412823.090152] 3760: ffffb1314c613790 ffff14a6222d83dc
[412823.098052] 3780: ffffb1314c613850 ffffb12500000000 ffffb1314c6137e0 ffff14a6222d97a0
[412823.105951] 37a0: ffffb13144152af0 ffffb1314c61393c 0000ffffaf7f9000 0040000000000001
[412823.113850] 37c0: 0040000000000041 ffffb1314c61393c 0000000000000000 0000000001011200
[412823.121750] 37e0: ffffb1314c613890 ffff14a6222d9a40 0000ffffaf7f8000 ffff7ec4bedfe080
[412823.129649] 3800: ffffb1314c613940 00000000000009a1 00000000000009a1 ffffb12579cd3d70
[412823.137548] 3820: 0000000000000000 ffffb13144152af0 ffffb12579cd3d98 ffffb1314c613be0
[412823.145447] 3840: ffffb1306b144bb8 0000ffffaf7f9000 ffff7ec4bedfe080 ffffb13144152af0
[412823.153347] 3860: 0000ffffaf7f8000 ffffb130ff713bd8 ffffb119c0000fc0 ffff7ec4b6a854b0
[412823.161246] 3880: 0000000000000001 0000000000040d00 ffffb1314c6138f0 ffff14a6222dbb0c
[412823.169145] 38a0: ffff7ec4bedfe080 ffffb1314c613940 0000000000000001 ffffb1314c613be0
[412823.177045] 38c0: ffffb1257880ebc8 0000000000000000 ffffb12579cd3d70 0000000000000002
[412823.184944] 38e0: ffff14a623428000 ffff14a62240ebd0 ffffb1314c613910 ffff14a6222dbda4
[412823.192843] 3900: ffff14a623428000 ffff7ec4bedfe080 ffffb1314c613970 ffff14a62229a210
[412823.200743] 3920: ffff7ec4bedfe080 ffffb12579cd3bf8 ffff7ec4a803a280 000000012240e7e8
[412823.208642] 3940: ffffb1314c61393c ffff14a6222d96e0 0000000000000000 0000000000000000
[412823.216541] 3960: ffff14a6222d9340 0000000000040d00 ffffb1314c6139b0 ffff14a6223ed224
[412823.224441] 3980: ffffb1314c613be0 ffff7ec4bedfe080 0000000000000c35 ffffb1314c613be0
[412823.232340] 39a0: ffffb1257880ebc8 00000001000009c0 ffffb1314c6139d0 ffff14a6223ed3e4
[412823.240239] 39c0: ffffb1257880ebc8 00000000000009a2 ffffb1314c613a10 ffff14a6223ed530
[412823.248138] 39e0: ffff7ec4bedfe080 ffffb1314c613ac0 7fffffffffffffeb ffffb1314c613af8
[412823.256038] 3a00: 0000000000000c34 ffff14a6222f5858 ffffb1314c613b00 ffff14a6223f2f60
[412823.263937] 3a20: 0000000004000000 ffffb12579cd3bf8 ffffb1314c613d18 ffff14a623428000
[412823.271836] 3a40: ffffb1314abd1000 ffffb12579cd3d70 ffffb1314abd1580 0000000000000000
[412823.279736] 3a60: 7fffffffffffffff 0000000000000000 00000000000009a9 000000000000000e
[412823.287635] 3a80: 0000000000000000 ffff7ec4b6144ec0 ffff7ec49d3c21c0 ffff7ec4b737c940
[412823.295534] 3aa0: ffff7ec4a02a1580 ffff7ec4bca37140 ffff7ec4a803a280 ffff7ec4bedfe080
[412823.303433] 3ac0: ffff7ec4ae9d6080 ffff7ec4bef06a40 ffff7ec4bde80980 ffff7ec4a0e36380
[412823.311333] 3ae0: ffff7ec4bbd0c0c0 ffff7ec4b7a297c0 ffff7ec4affc3e80 0000000000040d00
[412823.319232] 3b00: ffffb1314c613c50 ffff14a62229cddc ffffb1314c613d18 ffffb12579cd3d70
[412823.327132] 3b20: ffffb12579cd3bf8 ffff14a623428000 ffff14a622299c80 0000000000c34fff
[412823.335031] 3b40: ffffb12c9aeebf00 0000000000000000 0000000000000000 0000000000000000
[412823.342930] 3b60: ffff14a622b34f88 ffff14a622372c18 ffff7ec4adab8f40 0000000000000000
[412823.350829] 3b80: ffffb1314c613bb0 0000000000000000 ffffb1314abd1580 0000000100000000
[412823.358729] 3ba0: 0000000000000000 ffff14a622b34bd0 ffffb1314c613bb0 ffffb1314c613bb0
[412823.366628] 3bc0: ffffb1314c613bc0 ffffb1314c613bc0 ffffb1314c613bd0 ffffb1314c613bd0
[412823.374527] 3be0: ffffb12579cd3bf8 ffffb1314c613d18 00000000000009a1 00000000000009a2
[412823.382427] 3c00: 0000000000000c34 ffff14a6222c8f70 00000000adab8f40 ffffb12579cd3d70
[412823.390326] 3c20: ffffb1314c613d18 ffffb130ff513d00 ffffb1312e0066c0 00000000004e31a1
[412823.398225] 3c40: ffffb1314c613cf0 0000000000040d00 ffffb1314c613cd0 ffff14a62228c66c
[412823.406124] 3c60: ffff14a623428000 ffffb12579cd3d70 ffffb12579cd3bf8 0000000000c34fff
[412823.414024] 3c80: 0000000000000000 ffffb1306b144bb8 0000ffffaf800000 0000000000000040
[412823.421923] 3ca0: ffffb1314c613d60 ffff14a6222ceadc ffffb1314c613cd0 ffff14a62228c660
[412823.429822] 3cc0: ffff14a623428000 0000000000040d00 ffffb1314c613d80 ffff14a62228ce78
[412823.437722] 3ce0: ffffb12579cd3d70 ffffb12579cd3bf8 ffffb12c9aeebf00 0000000000000000
[412823.445621] 3d00: 0000000000c34fff 0000ffffaf804000 ffffb12daa9a1be0 7fffffffffffffeb
[412823.453520] 3d20: 0000000000000000 0000000000000000 0000000000c34fff 0000000000000001
[412823.461420] 3d40: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
[412823.469319] 3d60: 0000000000000000 0000000000000000 0000000000000000 0000000000040d00
[412823.477218] 3d80: ffffb1314c613dc0 ffff14a6223e1bf0 0000000000000000 ffffb12579cd3bf8
[412823.485118] 3da0: 0000000000000001 ffffb1314abd5800 0000000000000000 ffffb1314c613ec0
[412823.493017] 3dc0: ffffb1314c613e10 ffff14a62236b634 ffffb12c9aeebf00 0000000000000001
[412823.500916] 3de0: 0000000000000000 0000000000c34fff ffffb12c9aeebf00 ffffb12c9afcc068
[412823.508816] 3e00: ffffb12c9afcc000 ffff14a6222d1ac4 ffffb1314c613e50 ffff14a6222d7ff8
[412823.516715] 3e20: 0000ffffafa8c000 0000ffffaee57000 0000ffffafa8c000 0000000000000004
[412823.524614] 3e40: 0000ffffafa8c000 0000000000000006 0000000000000000 ffff14a6220f3930
[412823.532513] 3e60: 0000000000000000 00009c8b3c710000 ffffffffffffffff 0000ffffafbf46e0
[412823.540413] 3e80: 0000000080000000 0000000000000015 0000000000000124 00000000000000e3
[412823.548312] 3ea0: ffff14a622b01000 ffffb1314c43ad00 ffffffffffffffff ffff0000511a9000
[412823.556211] 3ec0: 0000ffffaee57000 0000000000c35000 0000000000000004 0000000000000000
[412823.564111] 3ee0: 0000aaaae3248f66 0000ffffaf8045d5 3670657277613a39 3a472a6f696f643a
[412823.572010] 3f00: 00000000000000e3 696f643a36706572 333639313a472a6f 3670657277613a39
[412823.579909] 3f20: 472a6f696f643a36 613a39333639313a 0000000000000003 0000000000000000
[412823.587809] 3f40: 0000aaaadcd52c80 0000ffffafbf46b8 0000000000000001 0000aaaae3229030
[412823.595708] 3f60: 0000aaaadcd53470 0000ffffffd09a40 0000aaaadcd52000 0000aaaae3210280
[412823.603607] 3f80: 0000000000000001 0000aaaae3229054 0000ffffaee57000 0000000000000006
[412823.611507] 3fa0: 0000ffffffd09a40 0000ffffffd09410 0000aaaadcd38f8c 0000ffffffd09410
[412823.619406] 3fc0: 0000ffffafbf46e0 0000000080000000 0000ffffaee57000 00000000000000e3
[412823.627305] 3fe0: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
[412823.635204] Call trace:
[412823.637722] Exception stack(0xffffb1314c613580 to 0xffffb1314c6136b0)
[412823.644232] 3580: ffffb1314c613850 0001000000000000 ffffb1314c613770 ffff14a6222d8070
[412823.652131] 35a0: 0000000000400145 0000000000000000 0000000000000000 0000000000000000
[412823.660031] 35c0: ffffb1314c6135e0 ffff14a6223028b0 ffffb130ff513d00 ffff14a6223c5bd0
[412823.667930] 35e0: ffffb1314c613620 ffff14a62228e3c8 ffffb1315e007a80 0000000001091220
[412823.675829] 3600: ffffb13156d9be00 0000000001091220 0000000000000000 ffffb13136394f78
[412823.683729] 3620: ffffb1314c613640 ffff14a62228e740 0000000001091220 0000000000040d00
[412823.691628] 3640: 0000000000000001 ffffb119c0000fc0 0000000000000001 0000000000000001
[412823.699527] 3660: ffff14a6222d96e0 01ffff000000107d 0000008000080000 ffff14a623051811
[412823.707427] 3680: 0000000000000001 0000000000000006 ffffb131bffddd00 0000000000000000
[412823.715326] 36a0: ffffffffffffff83 0000000000000040
[412823.720275] [<ffff14a6222d8070>] check_pte+0x20/0x148
[412823.725395] [<ffff14a6222d83dc>] page_vma_mapped_walk+0x244/0x4c0
[412823.731559] [<ffff14a6222d97a0>] page_mkclean_one+0xc0/0x278
[412823.737288] [<ffff14a6222d9a40>] rmap_walk_file+0xe8/0x228
[412823.742844] [<ffff14a6222dbb0c>] rmap_walk+0x64/0xa0
[412823.747878] [<ffff14a6222dbda4>] page_mkclean+0xb4/0xc8
[412823.753175] [<ffff14a62229a210>] clear_page_dirty_for_io+0x80/0x220
[412823.759513] [<ffff14a6223ed224>] mpage_submit_page+0x34/0x90
[412823.765239] [<ffff14a6223ed3e4>] mpage_process_page_bufs+0x164/0x170
[412823.771663] [<ffff14a6223ed530>] mpage_prepare_extent_to_map+0x140/0x2d8
[412823.778434] [<ffff14a6223f2f60>] ext4_writepages+0x3d8/0xcf8
[412823.784163] [<ffff14a62229cddc>] do_writepages+0x5c/0x108
[412823.789632] [<ffff14a62228c66c>] __filemap_fdatawrite_range+0xec/0x128
[412823.796229] [<ffff14a62228ce78>] file_write_and_wait_range+0x58/0xe8
[412823.802653] [<ffff14a6223e1bf0>] ext4_sync_file+0x80/0x468
[412823.808209] [<ffff14a62236b634>] vfs_fsync_range+0x64/0xc0
[412823.813763] [<ffff14a6222d7ff8>] SyS_msync+0x188/0x1e0
[412823.818973] [<ffff14a6220f3930>] el0_svc_naked+0x24/0x28
[412823.824354] Code: aa1e03e0 d503201f b9403260 f9401261 (f9400021)
[412823.830518] ---[ end trace 1d08e28a6fe8dd8e ]---
[412850.810875] watchdog: BUG: soft lockup - CPU#30 stuck for 23s! [doio:19640]
[Test]
Compile LTP and run the following test:
sudo ./runltp -p -f fs -s rwtest
[Fix]
The following patch posted to linux-arm-kernel fixes this issue.
http://lists.infradead.org/pipermail/linux-arm-kernel/2017-September/533623.html
[Regression Potential]
This patch applies to ARM64 and does not impact any other architecture. Regression potential none. |
|
