[ 245.754931] [nandsim] nandsim_prof_dev_attr_boards_allocate: INFO: Allocate page read counters. page_reads_cntrs=0xffff880007800000, size=0x100000 [ 245.759358] [nandsim] nandsim_prof_dev_attr_boards_allocate: INFO: Allocate page program counters. page_progs_cntrs=0xffff880007900000, size=0x40000 [ 245.763647] [nandsim] nandsim_prof_dev_attr_boards_allocate: INFO: Allocate page erase counters. page_erase_cntrs=0xffff8800220e0000, size=0x8000 [ 245.767913] Scanning device for bad blocks [ 245.890338] [nandsim] nandsim_badblocks_parse: INFO: badblocks: No bad blocks. [ 245.895135] [nandsim] nandsim_module_init: INFO: Register as MTD device. nbparts=1 [ 245.931427] Creating 1 MTD partitions on "NAND 128MiB 1,8V 8-bit": [ 245.934808] 0x000000000000-0x000008000000 : "NAND simulator partition 0" [ 245.938785] add_mtd_device: Register device. name=mtd0 [ 245.945007] add_mtd_device: Register device. name=mtd1 [ 245.952549] [nandsim] nandsim_module_init: INFO: Added whole NAND device node. name=mtd1 [ 246.052005] UBI: default fastmap pool size: 256 [ 246.055122] UBI: default fastmap WL pool size: 25 [ 246.058250] UBI: attaching mtd0 to ubi0 [ 246.214841] UBI: scanning is finished [ 246.218471] UBI: empty MTD device detected [ 246.425473] UBI: attached mtd0 (name "NAND simulator partition 0", size 128 MiB) to ubi0 [ 246.438910] UBI: PEB size: 16384 bytes (16 KiB), LEB size: 15872 bytes [ 246.443404] UBI: min./max. I/O unit sizes: 512/512, sub-page size 256 [ 246.447652] UBI: VID header offset: 256 (aligned 256), data offset: 512 [ 246.452748] UBI: good PEBs: 8192, bad PEBs: 0, corrupted PEBs: 0 [ 246.454801] UBI: user volume: 0, internal volumes: 1, max. volumes count: 92 [ 246.457103] UBI: max/mean erase counter: 0/0, WL threshold: 4096, image sequence number: 3546230719 [ 246.459980] UBI: available PEBs: 8014, total reserved PEBs: 178, PEBs reserved for bad PEB handling: 160 [ 246.463521] UBI: background thread "ubi_bgt0d" started, PID 2595 [ 246.897729] UBIFS: default file-system created [ 246.903455] UBIFS: background thread "ubifs_bgt0_0" started, PID 2610 [ 246.915885] UBIFS: mounted UBI device 0, volume 0, name "ubifsex" [ 246.919085] UBIFS: LEB size: 15872 bytes (15 KiB), min./max. I/O unit sizes: 512 bytes/512 bytes [ 246.924925] UBIFS: FS size: 126499840 bytes (120 MiB, 7970 LEBs), journal size 6348800 bytes (6 MiB, 400 LEBs) [ 246.931135] UBIFS: reserved for root: 4952683 bytes (4836 KiB) [ 246.934887] UBIFS: media format: w4/r0 (latest is w4/r0), UUID 0BEEAA12-625C-4071-B56A-F840BC324B47, big LPT model [ 348.007307] UBI error: __wl_get_peb: no free eraseblocks [ 364.044939] UBI error: __wl_get_peb: no free eraseblocks [ 376.643648] UBI error: __wl_get_peb: no free eraseblocks [ 408.981230] UBI error: __wl_get_peb: no free eraseblocks [ 421.121347] UBI error: __wl_get_peb: no free eraseblocks [ 422.040378] UBI error: __wl_get_peb: no free eraseblocks [ 422.904442] UBI error: __wl_get_peb: no free eraseblocks [ 426.367427] UBI error: __wl_get_peb: no free eraseblocks [ 427.779796] UBI error: __wl_get_peb: no free eraseblocks [ 431.118527] UBI error: __wl_get_peb: no free eraseblocks [ 431.678308] UBI error: __wl_get_peb: no free eraseblocks [ 477.728329] UBI error: __wl_get_peb: no free eraseblocks [ 498.098548] UBI error: __wl_get_peb: no free eraseblocks [ 498.710591] UBI error: __wl_get_peb: no free eraseblocks [ 514.872991] UBI error: __wl_get_peb: no free eraseblocks [ 515.522371] UBI error: __wl_get_peb: no free eraseblocks [ 516.882680] UBI error: __wl_get_peb: no free eraseblocks [ 517.958006] UBI error: __wl_get_peb: no free eraseblocks [ 536.588124] UBI error: __wl_get_peb: no free eraseblocks [ 538.378257] UBI error: __wl_get_peb: no free eraseblocks [ 547.669564] UBI error: __wl_get_peb: no free eraseblocks [ 548.876154] UBI error: __wl_get_peb: no free eraseblocks [ 558.366141] UBI error: __wl_get_peb: no free eraseblocks [ 558.940490] UBI error: __wl_get_peb: no free eraseblocks [ 579.728616] UBI error: __wl_get_peb: no free eraseblocks [ 582.291597] UBI error: __wl_get_peb: no free eraseblocks [ 594.330250] UBI error: __wl_get_peb: no free eraseblocks [ 595.043825] UBI error: __wl_get_peb: no free eraseblocks [ 611.920854] UBI error: __wl_get_peb: no free eraseblocks [ 623.415326] UBI error: __wl_get_peb: no free eraseblocks [ 623.964381] UBI error: __wl_get_peb: no free eraseblocks [ 638.298371] UBI error: __wl_get_peb: no free eraseblocks [ 639.186317] UBI error: __wl_get_peb: no free eraseblocks [ 639.530210] UBI error: __wl_get_peb: no free eraseblocks [ 649.179693] UBI error: __wl_get_peb: no free eraseblocks [ 649.950845] UBI error: __wl_get_peb: no free eraseblocks [ 684.089703] UBI error: __wl_get_peb: no free eraseblocks [ 688.378388] UBI error: __wl_get_peb: no free eraseblocks [ 688.948291] UBI error: __wl_get_peb: no free eraseblocks [ 731.804005] UBI error: __wl_get_peb: no free eraseblocks [ 732.488302] UBI error: __wl_get_peb: no free eraseblocks [ 735.696851] UBI error: __wl_get_peb: no free eraseblocks [ 760.336567] UBI error: __wl_get_peb: no free eraseblocks [ 760.855341] UBI error: __wl_get_peb: no free eraseblocks [ 778.844139] UBI error: __wl_get_peb: no free eraseblocks [ 792.701868] UBI error: __wl_get_peb: no free eraseblocks [ 815.957766] UBI error: __wl_get_peb: no free eraseblocks [ 816.383283] UBI error: __wl_get_peb: no free eraseblocks [ 846.211435] UBI error: __wl_get_peb: no free eraseblocks [ 848.710434] UBI error: __wl_get_peb: no free eraseblocks [ 849.563290] UBI error: __wl_get_peb: no free eraseblocks [ 851.693378] UBI error: __wl_get_peb: no free eraseblocks [ 872.882949] UBI error: __wl_get_peb: no free eraseblocks [ 881.313757] UBI error: __wl_get_peb: no free eraseblocks [ 893.933767] UBI error: __wl_get_peb: no free eraseblocks [ 894.591988] UBI error: __wl_get_peb: no free eraseblocks [ 900.933347] UBI error: __wl_get_peb: no free eraseblocks [ 932.737289] UBI error: __wl_get_peb: no free eraseblocks [ 980.417182] UBI error: __wl_get_peb: no free eraseblocks [ 1002.955888] UBI error: __wl_get_peb: no free eraseblocks [ 1017.301640] UBI error: __wl_get_peb: no free eraseblocks [ 1019.029340] UBI error: __wl_get_peb: no free eraseblocks [ 1052.306885] UBI error: __wl_get_peb: no free eraseblocks [ 1052.843942] UBI error: __wl_get_peb: no free eraseblocks [ 1076.722969] UBI error: __wl_get_peb: no free eraseblocks [ 1088.977866] UBI error: __wl_get_peb: no free eraseblocks [ 1089.598365] UBI error: __wl_get_peb: no free eraseblocks [ 1110.949003] UBI error: __wl_get_peb: no free eraseblocks [ 1121.443006] UBI error: __wl_get_peb: no free eraseblocks [ 1129.182297] UBI error: __wl_get_peb: no free eraseblocks [ 1139.737850] UBI error: __wl_get_peb: no free eraseblocks [ 1142.932513] UBI error: __wl_get_peb: no free eraseblocks [ 1149.651849] UBI error: __wl_get_peb: no free eraseblocks [ 1177.689377] UBI error: __wl_get_peb: no free eraseblocks [ 1179.653004] [nandsim] nandsim_prof_page_progs_update: ERROR: Too many program cycles after erase. row=8192, c=4, page_prog_max=4 [ 1179.665065] UBI assert failed in wl_tree_add at 203 (pid 2610) [ 1179.667078] CPU: 0 PID: 2610 Comm: ubifs_bgt0_0 Not tainted 3.18.25-ubifs.ex0+ #1 [ 1179.669473] Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006 [ 1179.672855] ffff880007521688 ffff8800073478e8 ffffffff8174af24 dead000000100100 [ 1179.675500] ffff880007520870 ffff880007347928 ffffffffa0274898 ffff880007347928 [ 1179.680248] ffff880007520870 ffff880022179480 ffff880022178000 0000000000000000 [ 1179.684895] Call Trace: [ 1179.686543] [] dump_stack+0x51/0x6d [ 1179.689633] [] wl_tree_add+0xd8/0xf0 [ubi] [ 1179.693185] [] erase_worker+0x453/0x8a0 [ubi] [ 1179.696695] [] do_work+0xc5/0x150 [ubi] [ 1179.699884] [] ubi_refill_pools+0x20b/0x3c0 [ubi] [ 1179.703683] [] ubi_update_fastmap+0x39/0x10e8 [ubi] [ 1179.707493] [] ? ubi_next_sqnum+0x2b/0x60 [ubi] [ 1179.711174] [] ubi_wl_get_peb+0x3e/0xc0 [ubi] [ 1179.714612] [] ubi_eba_write_leb+0x178/0x720 [ubi] [ 1179.718360] [] ? ubifs_change_lp+0x16c/0x740 [ubifs] [ 1179.722367] [] ubi_leb_write+0x15b/0x160 [ubi] [ 1179.725887] [] ubifs_leb_write+0xbe/0x150 [ubifs] [ 1179.729564] [] ubifs_tnc_end_commit+0x35b/0x6c0 [ubifs] [ 1179.733619] [] do_commit+0x234/0x640 [ubifs] [ 1179.737094] [] ubifs_bg_thread+0x1d2/0x220 [ubifs] [ 1179.740872] [] ? ubifs_run_commit+0x120/0x120 [ubifs] [ 1179.745527] [] kthread+0xee/0x110 [ 1179.748425] [] ? _raw_spin_unlock_irq+0x30/0x50 [ 1179.752177] [] ? __init_kthread_worker+0x70/0x70 [ 1179.756077] [] ret_from_fork+0x58/0x90 [ 1179.759330] [] ? __init_kthread_worker+0x70/0x70 [ 1179.762768] general protection fault: 0000 [#1] SMP [ 1179.763687] Modules linked in: deflate ubifs ubi cmdlinepart nandsim_prof nand nand_ecc nand_bch bch nand_ids mtd rpcsec_gss_krb5 nfsv4 nfsd auth_rpcgss nfs_acl nfs lockd grace sunrpc joydev binfmt_misc fscache serio_raw i2c_piix4 hid_generic usbhid psmouse hid pcnet32 mii [ 1179.763687] CPU: 0 PID: 2610 Comm: ubifs_bgt0_0 Not tainted 3.18.25-ubifs.ex0+ #1 [ 1179.763687] Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006 [ 1179.763687] task: ffff880006a50000 ti: ffff880007344000 task.ti: ffff880007344000 [ 1179.763687] RIP: 0010:[] [] wl_tree_add+0x40/0xf0 [ubi] [ 1179.763687] RSP: 0000:ffff8800073478f8 EFLAGS: 00010286 [ 1179.763687] RAX: ffff880007520870 RBX: dead000000200200 RCX: ffff880007520878 [ 1179.763687] RDX: 0000000000000100 RSI: 0000000000000001 RDI: ffff880007347f58 [ 1179.763687] RBP: ffff880007347928 R08: 0000000000000001 R09: 0000000000000001 [ 1179.763687] R10: 0000000000000001 R11: 0000000000000001 R12: ffff880007520878 [ 1179.763687] R13: ffff880007520870 R14: ffff8800221793e8 R15: ffff880006a50000 [ 1179.763687] FS: 0000000000000000(0000) GS:ffff88002fc00000(0000) knlGS:0000000000000000 [ 1179.763687] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 1179.763687] CR2: 00007f9911818cd8 CR3: 0000000028734000 CR4: 00000000000006f0 [ 1179.763687] Stack: [ 1179.763687] ffff880007347928 ffff880007520870 ffff880022179480 ffff880022178000 [ 1179.763687] 0000000000000000 ffff8800221793e8 ffff8800073479b8 ffffffffa0274d03 [ 1179.763687] ffff8800073479b8 0000000000000246 0000000000000000 ffff8800221794d0 [ 1179.763687] Call Trace: [ 1179.763687] [] erase_worker+0x453/0x8a0 [ubi] [ 1179.763687] [] do_work+0xc5/0x150 [ubi] [ 1179.763687] [] ubi_refill_pools+0x20b/0x3c0 [ubi] [ 1179.763687] [] ubi_update_fastmap+0x39/0x10e8 [ubi] [ 1179.763687] [] ? ubi_next_sqnum+0x2b/0x60 [ubi] [ 1179.763687] [] ubi_wl_get_peb+0x3e/0xc0 [ubi] [ 1179.763687] [] ubi_eba_write_leb+0x178/0x720 [ubi] [ 1179.763687] [] ? ubifs_change_lp+0x16c/0x740 [ubifs] [ 1179.763687] [] ubi_leb_write+0x15b/0x160 [ubi] [ 1179.763687] [] ubifs_leb_write+0xbe/0x150 [ubifs] [ 1179.763687] [] ubifs_tnc_end_commit+0x35b/0x6c0 [ubifs] [ 1179.763687] [] do_commit+0x234/0x640 [ubifs] [ 1179.763687] [] ubifs_bg_thread+0x1d2/0x220 [ubifs] [ 1179.763687] [] ? ubifs_run_commit+0x120/0x120 [ubifs] [ 1179.763687] [] kthread+0xee/0x110 [ 1179.763687] [] ? _raw_spin_unlock_irq+0x30/0x50 [ 1179.763687] [] ? __init_kthread_worker+0x70/0x70 [ 1179.763687] [] ret_from_fork+0x58/0x90 [ 1179.763687] [] ? __init_kthread_worker+0x70/0x70 [ 1179.763687] Code: 90 31 c0 49 89 fd 49 89 f6 49 89 f4 65 4c 8b 3c 25 c0 b8 00 00 eb 0b 0f 1f 40 00 4c 8d 63 10 48 89 d8 49 8b 1c 24 48 85 db 74 40 <8b> 43 18 41 39 45 18 7c e7 7e 0d 4c 8d 63 08 eb e3 0f 1f 80 00 [ 1179.763687] RIP [] wl_tree_add+0x40/0xf0 [ubi] [ 1179.763687] RSP [ 1179.946401] ---[ end trace 215d3a8314753d92 ]--- [ 1179.949198] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:41 [ 1179.954350] in_atomic(): 1, irqs_disabled(): 0, pid: 2610, name: ubifs_bgt0_0 [ 1179.960277] INFO: lockdep is turned off. [ 1179.962815] CPU: 0 PID: 2610 Comm: ubifs_bgt0_0 Tainted: G D 3.18.25-ubifs.ex0+ #1 [ 1179.967944] Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006 [ 1179.973765] 000000000000000b ffff880007347698 ffffffff8174af24 ffff880007347698 [ 1179.978562] ffff880006a50000 ffff8800073476b8 ffffffff8109ad53 0000000000000000 [ 1179.983393] ffff880027529a78 ffff8800073476e8 ffffffff8174fef4 ffff880007347748 [ 1179.988119] Call Trace: [ 1179.989718] [] dump_stack+0x51/0x6d [ 1179.992970] [] __might_sleep+0xf3/0x130 [ 1179.996347] [] down_read+0x24/0x70 [ 1179.999394] [] exit_signals+0x24/0x140 [ 1180.002749] [] ? blocking_notifier_call_chain+0x16/0x20 [ 1180.006855] [] do_exit+0xaf/0xb40 [ 1180.009924] [] ? kmsg_dump+0x115/0x130 [ 1180.013596] [] ? kmsg_dump+0x26/0x130 [ 1180.017089] [] oops_end+0xb3/0x160 [ 1180.020205] [] die+0x5b/0x90 [ 1180.023063] [] do_general_protection+0x140/0x1d0 [ 1180.027144] [] general_protection+0x28/0x30 [ 1180.030510] [] ? wl_tree_add+0x40/0xf0 [ubi] [ 1180.034185] [] ? wl_tree_add+0xd8/0xf0 [ubi] [ 1180.037742] [] erase_worker+0x453/0x8a0 [ubi] [ 1180.041644] [] do_work+0xc5/0x150 [ubi] [ 1180.044980] [] ubi_refill_pools+0x20b/0x3c0 [ubi] [ 1180.048842] [] ubi_update_fastmap+0x39/0x10e8 [ubi] [ 1180.053120] [] ? ubi_next_sqnum+0x2b/0x60 [ubi] [ 1180.056897] [] ubi_wl_get_peb+0x3e/0xc0 [ubi] [ 1180.060648] [] ubi_eba_write_leb+0x178/0x720 [ubi] [ 1180.064558] [] ? ubifs_change_lp+0x16c/0x740 [ubifs] [ 1180.068594] [] ubi_leb_write+0x15b/0x160 [ubi] [ 1180.072418] [] ubifs_leb_write+0xbe/0x150 [ubifs] [ 1180.077675] [] ubifs_tnc_end_commit+0x35b/0x6c0 [ubifs] [ 1180.081892] [] do_commit+0x234/0x640 [ubifs] [ 1180.085509] [] ubifs_bg_thread+0x1d2/0x220 [ubifs] [ 1180.089406] [] ? ubifs_run_commit+0x120/0x120 [ubifs] [ 1180.093415] [] kthread+0xee/0x110 [ 1180.096427] [] ? _raw_spin_unlock_irq+0x30/0x50 [ 1180.100272] [] ? __init_kthread_worker+0x70/0x70 [ 1180.104090] [] ret_from_fork+0x58/0x90 [ 1180.107363] [] ? __init_kthread_worker+0x70/0x70 [ 1180.111268] note: ubifs_bgt0_0[2610] exited with preempt_count 1 [ 1204.124071] NMI watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [ubi_bgt0d:2595] [ 1204.124071] Modules linked in: deflate ubifs ubi cmdlinepart nandsim_prof nand nand_ecc nand_bch bch nand_ids mtd rpcsec_gss_krb5 nfsv4 nfsd auth_rpcgss nfs_acl nfs lockd grace sunrpc joydev binfmt_misc fscache serio_raw[ 1204.141077] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [kworker/u4:0:3998] [ 1204.141077] Modules linked in: deflate ubifs ubi cmdlinepart nandsim_prof nand nand_ecc nand_bch bch nand_ids mtd rpcsec_gss_krb5 nfsv4 nfsd auth_rpcgss nfs_acl nfs lockd grace sunrpc joydev binfmt_misc fscache serio_raw i2c_piix4 hid_generic usbhid psmouse hid pcnet32 mii [ 1204.141077] irq event stamp: 22415619 [ 1204.141077] hardirqs last enabled at (22415619): [] restore_args+0x0/0x30 [ 1204.141077] hardirqs last disabled at (22415617): [] __do_softirq+0x1a2/0x3b0 [ 1204.141077] softirqs last enabled at (22415618): [] __do_softirq+0x223/0x3b0 [ 1204.141077] softirqs last disabled at (22415615): [] irq_exit+0x145/0x150 [ 1204.141077] CPU: 1 PID: 3998 Comm: kworker/u4:0 Tainted: G D 3.18.25-ubifs.ex0+ #1 [ 1204.141077] Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006 [ 1204.141077] Workqueue: writeback bdi_writeback_workfn (flush-ubifs_0_0) [ 1204.141077] task: ffff8800267e0000 ti: ffff880029140000 task.ti: ffff880029140000 [ 1204.141077] RIP: 0010:[] [] native_read_tsc+0x6/0x20 [ 1204.141077] RSP: 0018:ffff880029143458 EFLAGS: 00000202 [ 1204.141077] RAX: 00000000ce99d5ff RBX: ffffffff817535b7 RCX: 00000000ce997491 [ 1204.141077] RDX: 0000000000001637 RSI: ffff8800267e0990 RDI: 0000000000000001 [ 1204.141077] RBP: ffff880029143458 R08: 0000000000000001 R09: 0000000000000000 [ 1204.141077] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8800291433c8 [ 1204.141077] R13: ffff8800267e0000 R14: ffff880029140000 R15: ffff8800267e0000 [ 1204.141077] FS: 0000000000000000(0000) GS:ffff88002fd00000(0000) knlGS:0000000000000000 [ 1204.141077] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 1204.141077] CR2: 000000000048a810 CR3: 0000000028435000 CR4: 00000000000006e0 [ 1204.141077] Stack: [ 1204.141077] ffff880029143488 ffffffff813dfc0a ffff8800221794b8 0000000000354b47 [ 1204.141077] 0000000092ee6528 0000000000000f18 ffff880029143498 ffffffff813dfb5f [ 1204.141077] ffff8800291434c8 ffffffff810c7d9e 0000000000000000 ffff8800221794b8 [ 1204.141077] Call Trace: [ 1204.141077] [] delay_tsc+0x6a/0xb0 [ 1204.141077] [] __delay+0xf/0x20 [ 1204.141077] [] do_raw_spin_lock+0x8e/0x190 [ 1204.141077] [] _raw_spin_lock+0x41/0x50 [ 1204.141077] [] ? ubi_wl_get_peb+0x7f/0xc0 [ubi] [ 1204.141077] [] ? _raw_spin_unlock+0x2b/0x40 [ 1204.141077] [] ubi_wl_get_peb+0x7f/0xc0 [ubi] [ 1204.141077] [] ubi_eba_write_leb+0x178/0x720 [ubi] [ 1204.141077] [] ? mark_held_locks+0x73/0xa0 [ 1204.141077] [] ? mutex_lock_nested+0x2e7/0x4d0 [ 1204.141077] [] ? ubifs_add_bud_to_log+0x82/0x490 [ubifs] [ 1204.141077] [] ubi_leb_map+0xb4/0xf0 [ubi] [ 1204.141077] [] ubifs_leb_map+0x89/0x110 [ubifs] [ 1204.141077] [] ubifs_add_bud_to_log+0x33c/0x490 [ubifs] [ 1204.141077] [] make_reservation+0x40a/0x630 [ubifs] [ 1204.141077] [] ? trace_hardirqs_on+0xd/0x10 [ 1204.141077] [] ubifs_jnl_write_data+0x112/0x3e0 [ubifs] [ 1204.141077] [] ? __test_set_page_writeback+0x154/0x1c0 [ 1204.141077] [] do_writepage+0x17c/0x240 [ubifs] [ 1204.141077] [] ubifs_writepage+0xf7/0x1f0 [ubifs] [ 1204.141077] [] __writepage+0x1a/0x50 [ 1204.141077] [] write_cache_pages+0x253/0x500 [ 1204.141077] [] ? set_page_dirty+0x60/0x60 [ 1204.141077] [] generic_writepages+0x54/0x80 [ 1204.141077] [] do_writepages+0x35/0x40 [ 1204.141077] [] __writeback_single_inode+0x57/0x2e0 [ 1204.141077] [] writeback_sb_inodes+0x30b/0x550 [ 1204.141077] [] ? fprop_fraction_percpu+0x11d/0x140 [ 1204.141077] [] wb_writeback+0xfb/0x340 [ 1204.141077] [] ? trace_hardirqs_on_caller+0x10d/0x1d0 [ 1204.141077] [] wb_do_writeback+0x8f/0x220 [ 1204.141077] [] bdi_writeback_workfn+0x70/0x260 [ 1204.141077] [] ? process_one_work+0x152/0x560 [ 1204.141077] [] process_one_work+0x1d4/0x560 [ 1204.141077] [] ? process_one_work+0x152/0x560 [ 1204.141077] [] worker_thread+0x122/0x4f0 [ 1204.141077] [] ? __schedule+0x410/0x940 [ 1204.141077] [] ? process_one_work+0x560/0x560 [ 1204.141077] [] kthread+0xee/0x110 [ 1204.141077] [] ? _raw_spin_unlock_irq+0x30/0x50 [ 1204.141077] [] ? __init_kthread_worker+0x70/0x70 [ 1204.141077] [] ret_from_fork+0x58/0x90 [ 1204.141077] [] ? __init_kthread_worker+0x70/0x70 [ 1204.141077] Code: ff 0c 25 d4 b8 00 00 c9 c3 66 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 e8 67 00 00 00 66 90 c9 c3 0f 1f 00 55 48 89 e5 0f 31 <89> c1 48 89 d0 48 c1 e0 20 89 c9 48 09 c8 c9 c3 66 2e 0f 1f 84 [ 1204.124071] i2c_piix4 hid_generic usbhid psmouse hid pcnet32 mii [ 1204.124071] irq event stamp: 29577932 [ 1204.124071] hardirqs last enabled at (29577931): [] __slab_free+0x391/0x540 [ 1204.124071] hardirqs last disabled at (29577932): [] _raw_spin_lock_irq+0x1d/0x60 [ 1204.124071] softirqs last enabled at (29577902): [] __do_softirq+0x223/0x3b0 [ 1204.124071] softirqs last disabled at (29577895): [] irq_exit+0x145/0x150 [ 1204.124071] CPU: 0 PID: 2595 Comm: ubi_bgt0d Tainted: G D L 3.18.25-ubifs.ex0+ #1 [ 1204.124071] Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006 [ 1204.124071] task: ffff8800223cc6c0 ti: ffff8800220c8000 task.ti: ffff8800220c8000 [ 1204.124071] RIP: 0010:[] [] native_read_tsc+0x6/0x20 [ 1204.124071] RSP: 0000:ffff8800220cbd48 EFLAGS: 00000202 [ 1204.124071] RAX: 00000000cc1c6317 RBX: ffffffff817535b7 RCX: 00000000000000b2 [ 1204.124071] RDX: 0000000000001637 RSI: ffffffff81a75357 RDI: 0000000000000001 [ 1204.124071] RBP: ffff8800220cbd48 R08: 0000000000000001 R09: 0000000000000000 [ 1204.124071] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8800220cbcb8 [ 1204.124071] R13: ffff8800223cc6c0 R14: ffff8800220c8000 R15: ffff8800223cc6c0 [ 1204.124071] FS: 0000000000000000(0000) GS:ffff88002fc00000(0000) knlGS:0000000000000000 [ 1204.124071] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 1204.124071] CR2: 00007f9911818cd8 CR3: 0000000028734000 CR4: 00000000000006f0 [ 1204.124071] Stack: [ 1204.124071] ffff8800220cbd78 ffffffff813dfbcf ffff8800221794b8 0000000000356049 [ 1204.124071] 0000000092ee6528 0000000000000000 ffff8800220cbd88 ffffffff813dfb5f [ 1204.124071] ffff8800220cbdb8 ffffffff810c7d9e ffff880022178000 ffff8800221794b8 [ 1204.124071] Call Trace: [ 1204.124071] [] delay_tsc+0x2f/0xb0 [ 1204.124071] [] __delay+0xf/0x20 [ 1204.124071] [] do_raw_spin_lock+0x8e/0x190 [ 1204.124071] [] _raw_spin_lock+0x41/0x50 [ 1204.124071] [] ? ubi_thread+0xad/0x240 [ubi] [ 1204.124071] [] ubi_thread+0xad/0x240 [ubi] [ 1204.124071] [] ? ubi_wl_get_peb+0xc0/0xc0 [ubi] [ 1204.124071] [] kthread+0xee/0x110 [ 1204.124071] [] ? _raw_spin_unlock_irq+0x30/0x50 [ 1204.124071] [] ? __init_kthread_worker+0x70/0x70 [ 1204.124071] [] ret_from_fork+0x58/0x90 [ 1204.124071] [] ? __init_kthread_worker+0x70/0x70 [ 1204.124071] Code: ff 0c 25 d4 b8 00 00 c9 c3 66 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 e8 67 00 00 00 66 90 c9 c3 0f 1f 00 55 48 89 e5 0f 31 <89> c1 48 89 d0 48 c1 e0 20 89 c9 48 09 c8 c9 c3 66 2e 0f 1f 84