[ 9.595784][ T169] netconsole: network logging started [ 9.595800][ T169] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.595802][ T169] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 169, name: modprobe [ 9.595804][ T169] preempt_count: 1, expected: 0 [ 9.595805][ T169] RCU nest depth: 0, expected: 0 [ 9.595806][ T169] locks held by modprobe/169: 4, last CPU#3: [ 9.595808][ T169] #0: ffffffff91399cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.595821][ T169] #1: ffffffff91399d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.595825][ T169] #2: ffffffff91289660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.595828][ T169] #3: ffffffff91289560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 9.595832][ T169] irq event stamp: 31908 [ 9.595833][ T169] hardirqs last enabled at (31907): [] __down_trylock_console_sem+0x86/0xa0 [ 9.595836][ T169] hardirqs last disabled at (31908): [] console_emit_next_record+0x3f8/0x4f0 [ 9.595837][ T169] softirqs last enabled at (29354): [] handle_softirqs+0x67c/0x900 [ 9.595841][ T169] softirqs last disabled at (29199): [] __irq_exit_rcu+0x145/0x1c0 [ 9.595844][ T169] Preemption disabled at: [ 9.595845][ T169] [] vprintk_emit+0x31b/0x3e0 [ 9.595851][ T169] CPU: 3 UID: 0 PID: 169 Comm: modprobe Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.595854][ T169] Tainted: [W]=WARN [ 9.595855][ T169] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.595857][ T169] Call Trace: [ 9.595859][ T169] [ 9.595860][ T169] dump_stack_lvl+0x6f/0xa0 [ 9.595866][ T169] ? vprintk_emit+0x31b/0x3e0 [ 9.595868][ T169] __might_resched.cold+0x1fe/0x2c1 [ 9.595872][ T169] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.595876][ T169] ? __kmalloc_noprof+0xdb/0x760 [ 9.595880][ T169] __kmalloc_noprof+0x443/0x760 [ 9.595882][ T169] ? alloc_buf.isra.0+0x4b/0x260 [ 9.595889][ T169] ? do_raw_spin_unlock+0x59/0x250 [ 9.595891][ T169] alloc_buf.isra.0+0x4b/0x260 [ 9.595894][ T169] put_chars+0x1e1/0x2f0 [ 9.595897][ T169] ? __send_to_port+0x420/0x420 [ 9.595900][ T169] ? validate_chain+0x38b/0xc20 [ 9.595905][ T169] hvc_console_print+0x292/0x780 [ 9.595911][ T169] ? hvc_write+0x3a0/0x3a0 [ 9.595913][ T169] ? rcu_is_watching+0x16/0xd0 [ 9.595917][ T169] ? lock_acquire+0x13c/0x160 [ 9.595921][ T169] console_emit_next_record+0x252/0x4f0 [ 9.595924][ T169] ? devkmsg_read+0x4e0/0x4e0 [ 9.595928][ T169] ? rcu_is_watching+0x16/0xd0 [ 9.595930][ T169] ? lock_acquire+0x13c/0x160 [ 9.595934][ T169] console_flush_one_record+0x46f/0x710 [ 9.595938][ T169] ? console_emit_next_record+0x4f0/0x4f0 [ 9.595939][ T169] ? __lock_acquire+0x518/0xc20 [ 9.595944][ T169] console_unlock+0xee/0x1f0 [ 9.595947][ T169] ? console_flush_one_record+0x710/0x710 [ 9.595949][ T169] ? rcu_is_watching+0x16/0xd0 [ 9.595953][ T169] ? lock_acquire+0x60/0x160 [ 9.595958][ T169] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.595960][ T169] ? vprintk_emit+0x320/0x3e0 [ 9.595963][ T169] vprintk_emit+0x37c/0x3e0 [ 9.595967][ T169] ? wake_up_klogd_work_func+0x90/0x90 [ 9.595968][ T169] ? find_held_lock+0x2b/0x80 [ 9.595972][ T169] ? __lock_release.isra.0+0x69/0x1a0 [ 9.595974][ T169] ? fast_dput+0x316/0x540 [ 9.595978][ T169] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 9.595983][ T169] _printk+0xc7/0x100 [ 9.595987][ T169] ? snapshot_read.cold+0x21/0x21 [ 9.595989][ T169] ? __up_write+0x2e5/0x5f0 [ 9.595993][ T169] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 9.595997][ T169] ? configfs_register_subsystem+0x340/0x570 [ 9.596001][ T169] init_netconsole+0x4a8/0x1000 [netconsole] [ 9.596005][ T169] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 9.596011][ T169] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 9.596014][ T169] do_one_initcall+0x124/0x4f0 [ 9.596018][ T169] ? trace_event_raw_event_initcall_level+0x280/0x280 [ 9.596023][ T169] ? do_init_module+0xae/0x8a0 [ 9.596025][ T169] ? kasan_unpoison+0x44/0x70 [ 9.596031][ T169] do_init_module+0x2ad/0x8a0 [ 9.596034][ T169] ? lockdep_hardirqs_on+0x91/0x130 [ 9.596039][ T169] ? free_module+0x470/0x470 [ 9.596042][ T169] ? kfree+0x123/0x590 [ 9.596046][ T169] load_module+0x1424/0x1bb0 [ 9.596052][ T169] ? layout_and_allocate.isra.0+0x680/0x680 [ 9.596056][ T169] ? __ia32_sys_fsconfig+0x180/0x180 [ 9.596059][ T169] ? ovl_real_file+0x172/0x1e0 [ 9.596063][ T169] ? backing_file_read_iter+0x541/0x790 [ 9.596067][ T169] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.596072][ T169] init_module_from_file+0x11f/0x1a0 [ 9.596076][ T169] ? __do_sys_init_module+0x220/0x220 [ 9.596084][ T169] ? __rwlock_init+0x150/0x150 [ 9.596088][ T169] ? do_raw_spin_unlock+0x59/0x250 [ 9.596090][ T169] idempotent_init_module+0x37b/0x7c0 [ 9.596094][ T169] ? init_module_from_file+0x1a0/0x1a0 [ 9.596100][ T169] ? rcu_is_watching+0x16/0xd0 [ 9.596102][ T169] ? cap_capable+0x1d7/0x3d0 [ 9.596108][ T169] __x64_sys_finit_module+0xdf/0x190 [ 9.596110][ T169] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 9.596114][ T169] do_syscall_64+0xff/0x530 [ 9.596116][ T169] ? exc_page_fault+0xee/0x100 [ 9.596118][ T169] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.596121][ T169] RIP: 0033:0x7f55c147537d [ 9.596124][ T169] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 [ 9.596126][ T169] RSP: 002b:00007ffc9b80a388 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 9.596129][ T169] RAX: ffffffffffffffda RBX: 00005651f5ba9700 RCX: 00007f55c147537d [ 9.596130][ T169] RDX: 0000000000000000 RSI: 00005651c50a1ffd RDI: 0000000000000005 [ 9.596131][ T169] RBP: 00007ffc9b80a420 R08: 0000000000000000 R09: 0000000000000000 [ 9.596132][ T169] R10: 0000000000000000 R11: 0000000000000246 R12: 00005651c50a1ffd [ 9.596133][ T169] R13: 00005651f5ba9810 R14: 0000000000040000 R15: 0000000000000000 [ 9.596139][ T169] [ 11.995258][ T157] MSG1=MSG2=MSG3=MSG4=MSG5=MSG6=MSG7=MSG8=MSG9=MSG10=MSG11=MSG12=MSG13=MSG14=MSG15=MSG16=MSG17=MSG18=MSG19=MSG20=MSG21=MSG22=MSG23=MSG24=MSG25=MSG26=MSG27=MSG28=MSG29=MSG30=MSG31=MSG32=MSG33=MSG34=MSG35=MSG36=MSG37=MSG38=MSG39=MSG40=MSG41=MSG42=MSG43=MSG44=MSG45=MSG46=MSG47=MSG48=MSG49=MSG50=MSG51=MSG52=MSG53=MSG54=MSG55=MSG56=MSG57=MSG58=MSG59=MSG60=MSG61=MSG62=MSG63=MSG64=MSG65=MSG66=MSG67=MSG68=MSG69=MSG70=MSG71=MSG72=MSG73=MSG74=MSG75=MSG76=MSG77=MSG78=MSG79=MSG80=MSG81=MSG82=MSG83=MSG84=MSG85=MSG86=MSG87=MSG88=MSG89=MSG90=MSG91=MSG92=MSG93=MSG94=MSG95=MSG96=MSG97=MSG98=MSG99=MSG100=MSG101=MSG102=MSG103=MSG104=MSG105=MSG106=MSG107=MSG108=MSG109=MSG110=MSG111=MSG112=MSG113=MSG114=MSG115=MSG116=MSG117=MSG118=MSG119=MSG120=MSG121=MSG122=MSG123=MSG124=MSG125=MSG126=MSG127=MSG128=MSG129=MSG130=MSG131=MSG132=MSG133=MSG134=MSG135=MSG136=MSG137=MSG138=MSG139=MSG140=MSG141=MSG142=MSG143=MSG144=MSG145=MSG146=MSG147=MSG148=MSG149=MSG150=: netcons_ZDPyy [ 11.995284][ T157] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.995287][ T157] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 157, name: bash [ 11.995289][ T157] preempt_count: 1, expected: 0 [ 11.995290][ T157] RCU nest depth: 0, expected: 0 [ 11.995291][ T157] locks held by bash/157: 4, last CPU#3: [ 11.995293][ T157] #0: ffffffff91399cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.995307][ T157] #1: ffffffff91399d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.995312][ T157] #2: ffffffff91289660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.995316][ T157] #3: ffffffff91289560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 11.995320][ T157] irq event stamp: 140510 [ 11.995322][ T157] hardirqs last enabled at (140509): [] __down_trylock_console_sem+0x86/0xa0 [ 11.995325][ T157] hardirqs last disabled at (140510): [] console_emit_next_record+0x3f8/0x4f0 [ 11.995327][ T157] softirqs last enabled at (140378): [] handle_softirqs+0x67c/0x900 [ 11.995331][ T157] softirqs last disabled at (140371): [] __irq_exit_rcu+0x145/0x1c0 [ 11.995333][ T157] Preemption disabled at: [ 11.995334][ T157] [] vprintk_emit+0x31b/0x3e0 [ 11.995341][ T157] CPU: 3 UID: 0 PID: 157 Comm: bash Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.995345][ T157] Tainted: [W]=WARN [ 11.995346][ T157] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.995348][ T157] Call Trace: [ 11.995350][ T157] [ 11.995351][ T157] dump_stack_lvl+0x6f/0xa0 [ 11.995357][ T157] ? vprintk_emit+0x31b/0x3e0 [ 11.995359][ T157] __might_resched.cold+0x1fe/0x2c1 [ 11.995364][ T157] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.995368][ T157] ? __kmalloc_noprof+0xdb/0x760 [ 11.995373][ T157] __kmalloc_noprof+0x443/0x760 [ 11.995375][ T157] ? alloc_buf.isra.0+0x4b/0x260 [ 11.995381][ T157] ? do_raw_spin_unlock+0x59/0x250 [ 11.995384][ T157] alloc_buf.isra.0+0x4b/0x260 [ 11.995387][ T157] put_chars+0x1e1/0x2f0 [ 11.995390][ T157] ? __send_to_port+0x420/0x420 [ 11.995392][ T157] ? printk_get_next_message+0x2fe/0x7d0 [ 11.995395][ T157] ? rcu_read_lock_any_held+0x3c/0x90 [ 11.995399][ T157] ? validate_chain+0x38b/0xc20 [ 11.995403][ T157] hvc_console_print+0x292/0x780 [ 11.995407][ T157] ? __lock_acquire+0x518/0xc20 [ 11.995408][ T157] ? __lock_acquire+0x518/0xc20 [ 11.995412][ T157] ? hvc_write+0x3a0/0x3a0 [ 11.995415][ T157] ? rcu_is_watching+0x16/0xd0 [ 11.995419][ T157] ? lock_acquire+0x13c/0x160 [ 11.995423][ T157] console_emit_next_record+0x252/0x4f0 [ 11.995427][ T157] ? devkmsg_read+0x4e0/0x4e0 [ 11.995431][ T157] ? rcu_is_watching+0x16/0xd0 [ 11.995433][ T157] ? lock_acquire+0x13c/0x160 [ 11.995437][ T157] console_flush_one_record+0x46f/0x710 [ 11.995441][ T157] ? console_emit_next_record+0x4f0/0x4f0 [ 11.995443][ T157] ? __lock_acquire+0x518/0xc20 [ 11.995449][ T157] console_unlock+0xee/0x1f0 [ 11.995451][ T157] ? console_flush_one_record+0x710/0x710 [ 11.995453][ T157] ? rcu_is_watching+0x16/0xd0 [ 11.995455][ T157] ? lock_acquire+0x60/0x160 [ 11.995459][ T157] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.995460][ T157] ? vprintk_emit+0x320/0x3e0 [ 11.995464][ T157] vprintk_emit+0x37c/0x3e0 [ 11.995467][ T157] ? wake_up_klogd_work_func+0x90/0x90 [ 11.995471][ T157] ? _copy_from_iter+0x1bb/0x1810 [ 11.995477][ T157] devkmsg_emit.constprop.0+0xbc/0xf1 [ 11.995481][ T157] ? vprintk_emit.cold+0x107/0x107 [ 11.995485][ T157] ? __kmalloc_noprof+0x302/0x760 [ 11.995487][ T157] ? idr_get_free+0x830/0x830 [ 11.995491][ T157] ? devkmsg_write+0xd1/0x2c0 [ 11.995494][ T157] ? _copy_from_iter+0x1bb/0x1810 [ 11.995497][ T157] devkmsg_write.cold+0x5a/0x8b [ 11.995500][ T157] ? vprintk_default+0x20/0x20 [ 11.995501][ T157] ? __lock_acquire+0x518/0xc20 [ 11.995504][ T157] ? vfs_lock_file+0x1b0/0x1b0 [ 11.995508][ T157] ? vprintk_default+0x20/0x20 [ 11.995511][ T157] new_sync_write+0x33e/0x760 [ 11.995516][ T157] ? new_sync_read+0x750/0x750 [ 11.995517][ T157] ? rcu_read_lock_any_held+0x3c/0x90 [ 11.995526][ T157] vfs_write+0x6a2/0xbd0 [ 11.995530][ T157] ksys_write+0x116/0x250 [ 11.995533][ T157] ? __ia32_sys_read+0xc0/0xc0 [ 11.995535][ T157] ? do_raw_spin_unlock+0x59/0x250 [ 11.995537][ T157] ? rcu_is_watching+0x16/0xd0 [ 11.995541][ T157] do_syscall_64+0xff/0x530 [ 11.995544][ T157] ? exc_page_fault+0xee/0x100 [ 11.995547][ T157] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.995549][ T157] RIP: 0033:0x7f207c31e54e [ 11.995553][ T157] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 11.995555][ T157] RSP: 002b:00007fff7b6bc860 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 11.995558][ T157] RAX: ffffffffffffffda RBX: 00007f207c49f580 RCX: 00007f207c31e54e [ 11.995560][ T157] RDX: 00000000000003be RSI: 000056405d7f1390 RDI: 0000000000000001 [ 11.995561][ T157] RBP: 00007fff7b6bc870 R08: 0000000000000000 R09: 0000000000000000 [ 11.995562][ T157] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000003be [ 11.995563][ T157] R13: 00000000000003be R14: 000056405d7f1390 R15: 0000000000000000 [ 11.995570][ T157] [ 12.293988][ T157] FOOBAR1=FOOBAR2=FOOBAR3=FOOBAR4=FOOBAR5=FOOBAR6=FOOBAR7=FOOBAR8=FOOBAR9=FOOBAR10=FOOBAR11=FOOBAR12=FOOBAR13=FOOBAR14=FOOBAR15=FOOBAR16=FOOBAR17=FOOBAR18=FOOBAR19=FOOBAR20=FOOBAR21=FOOBAR22=FOOBAR23=FOOBAR24=FOOBAR25=FOOBAR26=FOOBAR27=FOOBAR28=FOOBAR29=FOOBAR30=FOOBAR31=FOOBAR32=FOOBAR33=FOOBAR34=FOOBAR35=FOOBAR36=FOOBAR37=FOOBAR38=FOOBAR39=FOOBAR40=FOOBAR41=FOOBAR42=FOOBAR43=FOOBAR44=FOOBAR45=FOOBAR46=FOOBAR47=FOOBAR48=FOOBAR49=FOOBAR50=FOOBAR51=FOOBAR52=FOOBAR53=FOOBAR54=FOOBAR55=FOOBAR56=FOOBAR57=FOOBAR58=FOOBAR59=FOOBAR60=FOOBAR61=FOOBAR62=FOOBAR63=FOOBAR64=FOOBAR65=FOOBAR66=FOOBAR67=FOOBAR68=FOOBAR69=FOOBAR70=FOOBAR71=FOOBAR72=FOOBAR73=FOOBAR74=FOOBAR75=FOOBAR76=FOOBAR77=FOOBAR78=FOOBAR79=FOOBAR80=FOOBAR81=FOOBAR82=FOOBAR83=FOOBAR84=FOOBAR85=FOOBAR86=FOOBAR87=FOOBAR88=FOOBAR89=FOOBAR90=FOOBAR91=FOOBAR92=FOOBAR93=FOOBAR94=FOOBAR95=FOOBAR96=FOOBAR97=FOOBAR98=FOOBAR99=FOOBAR100=: netcons_ZDPyy