====================================== | [ 68.030013][ T863] netconsole selftest: netcons_RjnoY | [ 68.030194][ T915] ------------[ cut here ]------------ | [ 68.030619][ T915] WARNING: kernel/softirq.c:430 at __local_bh_enable_ip+0xc0/0x140, CPU#2: pr/netcon0/915 | [ 68.031040][ T915] Modules linked in: netconsole netdevsim macsec [last unloaded: netdevsim] [ 68.032227][ T915] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 68.032494][ T915] RIP: 0010:__local_bh_enable_ip (kernel/softirq.c:430 (discriminator 34)) [ 68.032780][ T915] Code: 00 00 00 e8 12 15 0a 00 e8 3d 7c 3c 00 fb 65 8b 05 05 72 40 04 85 c0 74 64 48 83 c4 10 c3 65 8b 05 11 b6 40 04 85 c0 75 a2 90 <0f> 0b 90 eb 9c 89 74 24 0c 4c 89 04 24 e8 ce 7f 3c 00 8b 74 24 0c All code ======== 0: 00 00 add %al,(%rax) 2: 00 e8 add %ch,%al 4: 12 15 0a 00 e8 3d adc 0x3de8000a(%rip),%dl # 0x3de80014 a: 7c 3c jl 0x48 c: 00 fb add %bh,%bl e: 65 8b 05 05 72 40 04 mov %gs:0x4407205(%rip),%eax # 0x440721a 15: 85 c0 test %eax,%eax 17: 74 64 je 0x7d 19: 48 83 c4 10 add $0x10,%rsp 1d: c3 ret 1e: 65 8b 05 11 b6 40 04 mov %gs:0x440b611(%rip),%eax # 0x440b636 25: 85 c0 test %eax,%eax 27: 75 a2 jne 0xffffffffffffffcb 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: eb 9c jmp 0xffffffffffffffcb 2f: 89 74 24 0c mov %esi,0xc(%rsp) 33: 4c 89 04 24 mov %r8,(%rsp) 37: e8 ce 7f 3c 00 call 0x3c800a 3c: 8b 74 24 0c mov 0xc(%rsp),%esi Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: eb 9c jmp 0xffffffffffffffa1 5: 89 74 24 0c mov %esi,0xc(%rsp) 9: 4c 89 04 24 mov %r8,(%rsp) d: e8 ce 7f 3c 00 call 0x3c7fe0 12: 8b 74 24 0c mov 0xc(%rsp),%esi [ 68.033318][ T915] RSP: 0018:ffa0000000737900 EFLAGS: 00010046 [ 68.033508][ T915] RAX: 0000000000000000 RBX: 00000000b0b8490c RCX: 1ffffffff794ca80 [ 68.033721][ T915] RDX: 0000000000000001 RSI: 0000000000000201 RDI: ffffffffba8657ff [ 68.033932][ T915] RBP: ffa0000000737930 R08: ffffffffba8657ff R09: ffe21c00013c7663 [ 68.034149][ T915] R10: ffe21c00013c7664 R11: ff11000009e3b314 R12: ffa00000007379d8 [ 68.034382][ T915] R13: ff1100000a479000 R14: ff1100000ca6a000 R15: ff1100000bc1ad00 [ 68.034601][ T915] FS: 0000000000000000(0000) GS:ff11000077f8b000(0000) knlGS:0000000000000000 [ 68.034850][ T915] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.035024][ T915] CR2: 00007f6f514c7000 CR3: 000000002f33b002 CR4: 0000000000771ef0 [ 68.035250][ T915] PKRU: 55555554 [ 68.035426][ T915] Call Trace: [ 68.035607][ T915] [ 68.035699][ T915] ? _raw_spin_unlock_bh (./include/linux/spinlock_api_smp.h:196 (discriminator 1) kernel/locking/spinlock.c:210 (discriminator 1)) [ 68.035847][ T915] mock_phc_gettime64 (drivers/ptp/ptp_mock.c:98) [ 68.035987][ T915] nsim_start_xmit (./include/linux/skbuff.h:1724 ./include/linux/skbuff.h:1787 drivers/net/netdevsim/netdev.c:189) netdevsim [ 68.036161][ T915] ? __lock_acquire (kernel/locking/lockdep.c:5237 (discriminator 1)) [ 68.036304][ T915] ? nsim_poll (drivers/net/netdevsim/netdev.c:123) netdevsim [ 68.036446][ T915] ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870) [ 68.036591][ T915] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:752 (discriminator 1)) [ 68.036727][ T915] ? netif_skb_features (net/core/dev.c:3747 net/core/dev.c:3856) [ 68.036865][ T915] netpoll_start_xmit (./include/linux/netdevice.h:5285 net/core/netpoll.c:82) [ 68.037006][ T915] __netpoll_send_skb (net/core/netpoll.c:341) [ 68.037146][ T915] netpoll_send_skb (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 net/core/netpoll.c:408) [ 68.037290][ T915] netconsole_write (drivers/net/netconsole.c:1653 drivers/net/netconsole.c:1878 drivers/net/netconsole.c:1913) netconsole [ 68.037464][ T915] nbcon_emit_next_record (kernel/printk/nbcon.c:1070) [ 68.037613][ T915] ? nbcon_can_proceed (kernel/printk/nbcon.c:981) [ 68.037752][ T915] ? nbcon_context_try_acquire (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/printk/nbcon.c:170 kernel/printk/nbcon.c:630) [ 68.037927][ T915] nbcon_emit_one (kernel/printk/nbcon.c:1157 (discriminator 1)) [ 68.038066][ T915] ? nbcon_emit_next_record (kernel/printk/nbcon.c:1130) [ 68.038205][ T915] nbcon_kthread_func (kernel/printk/nbcon.c:1273) [ 68.038355][ T915] ? __nbcon_atomic_flush_pending (kernel/printk/nbcon.c:1221) [ 68.038534][ T915] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536) [ 68.038676][ T915] ? __nbcon_atomic_flush_pending (kernel/printk/nbcon.c:1221) [ 68.038844][ T915] ? __kthread_parkme (./arch/x86/include/asm/bitops.h:202 (discriminator 1) ./arch/x86/include/asm/bitops.h:232 (discriminator 1) ./include/asm-generic/bitops/instrumented-non-atomic.h:142 (discriminator 1) kernel/kthread.c:290 (discriminator 1)) [ 68.038985][ T915] ? __nbcon_atomic_flush_pending (kernel/printk/nbcon.c:1221) [ 68.039160][ T915] kthread (kernel/kthread.c:467) [ 68.039299][ T915] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 33)) [ 68.039584][ T915] ? kthread_affine_node (kernel/kthread.c:412) [ 68.039802][ T915] ret_from_fork (arch/x86/kernel/process.c:164) [ 68.040028][ T915] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37) [ 68.040303][ T915] ? __switch_to (./arch/x86/include/asm/cpufeature.h:101 arch/x86/kernel/process_64.c:377 arch/x86/kernel/process_64.c:665) [ 68.040524][ T915] ? kthread_affine_node (kernel/kthread.c:412) [ 68.040742][ T915] ret_from_fork_asm (arch/x86/entry/entry_64.S:255) | [ 68.044471][ T915] netpoll_send_skb_on_dev(): eni398np1 enabled interrupts in poll nsim_start_xmit (drivers/net/netdevsim/netdev.c:123) netdevsim | [ 68.044808][ T915] WARNING: net/core/netpoll.c:356 at __netpoll_send_skb+0x710/0x800, CPU#2: pr/netcon0/915 | [ 68.045194][ T915] Modules linked in: netconsole netdevsim macsec [last unloaded: netdevsim] | [ 68.045847][ T915] Tainted: [W]=WARN [ 68.045990][ T915] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 68.046205][ T915] RIP: 0010:__netpoll_send_skb (net/core/netpoll.c:356 (discriminator 11)) [ 68.046453][ T915] Code: 08 49 8d 7c 24 20 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 d9 00 00 00 48 8d 3d a0 72 ea 01 49 8b 54 24 20 48 8d b3 18 01 00 00 <67> 48 0f b9 3a e9 cc fd ff ff e8 65 3f ca fe e9 56 fb ff ff e8 7b All code ======== 0: 08 49 8d or %cl,-0x73(%rcx) 3: 7c 24 jl 0x29 5: 20 48 89 and %cl,-0x77(%rax) 8: fa cli 9: 48 c1 ea 03 shr $0x3,%rdx d: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 11: 0f 85 d9 00 00 00 jne 0xf0 17: 48 8d 3d a0 72 ea 01 lea 0x1ea72a0(%rip),%rdi # 0x1ea72be 1e: 49 8b 54 24 20 mov 0x20(%r12),%rdx 23: 48 8d b3 18 01 00 00 lea 0x118(%rbx),%rsi 2a:* 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: e9 cc fd ff ff jmp 0xfffffffffffffe00 34: e8 65 3f ca fe call 0xfffffffffeca3f9e 39: e9 56 fb ff ff jmp 0xfffffffffffffb94 3e: e8 .byte 0xe8 3f: 7b .byte 0x7b Code starting with the faulting instruction =========================================== 0: 67 48 0f b9 3a ud1 (%edx),%rdi 5: e9 cc fd ff ff jmp 0xfffffffffffffdd6 a: e8 65 3f ca fe call 0xfffffffffeca3f74 f: e9 56 fb ff ff jmp 0xfffffffffffffb6a 14: e8 .byte 0xe8 15: 7b .byte 0x7b [ 68.046969][ T915] RSP: 0018:ffa0000000737a88 EFLAGS: 00010246 [ 68.047365][ T915] RAX: dffffc0000000000 RBX: ff1100000bc1a000 RCX: 0000000000000002 [ 68.047697][ T915] RDX: ffffffffc0605f00 RSI: ff1100000bc1a118 RDI: ffffffffbcab1be0 [ 68.047934][ T915] RBP: ff1100000fa73e00 R08: ffffffffb90fcb29 R09: ffe21c000201f1e0 [ 68.048256][ T915] R10: ffe21c000201f1e1 R11: 0000000000000001 R12: ffffffffc04d1c60 [ 68.048535][ T915] R13: 0000000000000002 R14: ff1100000bc1a004 R15: ff110000100f8e00 [ 68.048936][ T915] FS: 0000000000000000(0000) GS:ff11000077f8b000(0000) knlGS:0000000000000000 [ 68.049219][ T915] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.049437][ T915] CR2: 00007f6f514c7000 CR3: 000000002f33b002 CR4: 0000000000771ef0 [ 68.049832][ T915] PKRU: 55555554 [ 68.049972][ T915] Call Trace: [ 68.050115][ T915] [ 68.050251][ T915] netpoll_send_skb (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 net/core/netpoll.c:408) [ 68.050520][ T915] netconsole_write (drivers/net/netconsole.c:1653 drivers/net/netconsole.c:1878 drivers/net/netconsole.c:1913) netconsole [ 68.050829][ T915] nbcon_emit_next_record (kernel/printk/nbcon.c:1070) [ 68.051082][ T915] ? nbcon_can_proceed (kernel/printk/nbcon.c:981) [ 68.051324][ T915] ? nbcon_context_try_acquire (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/printk/nbcon.c:170 kernel/printk/nbcon.c:630) [ 68.051756][ T915] nbcon_emit_one (kernel/printk/nbcon.c:1157 (discriminator 1)) [ 68.051933][ T915] ? nbcon_emit_next_record (kernel/printk/nbcon.c:1130) [ 68.052106][ T915] nbcon_kthread_func (kernel/printk/nbcon.c:1273) [ 68.052302][ T915] ? __nbcon_atomic_flush_pending (kernel/printk/nbcon.c:1221) [ 68.052521][ T915] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536) [ 68.052707][ T915] ? __nbcon_atomic_flush_pending (kernel/printk/nbcon.c:1221) [ 68.052920][ T915] ? __kthread_parkme (./arch/x86/include/asm/bitops.h:202 (discriminator 1) ./arch/x86/include/asm/bitops.h:232 (discriminator 1) ./include/asm-generic/bitops/instrumented-non-atomic.h:142 (discriminator 1) kernel/kthread.c:290 (discriminator 1)) [ 68.053094][ T915] ? __nbcon_atomic_flush_pending (kernel/printk/nbcon.c:1221) [ 68.053418][ T915] kthread (kernel/kthread.c:467) [ 68.053579][ T915] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 33)) [ 68.053793][ T915] ? kthread_affine_node (kernel/kthread.c:412) [ 68.054034][ T915] ret_from_fork (arch/x86/kernel/process.c:164) [ 68.054234][ T915] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37) [ 68.054467][ T915] ? __switch_to (./arch/x86/include/asm/cpufeature.h:101 arch/x86/kernel/process_64.c:377 arch/x86/kernel/process_64.c:665) [ 68.054646][ T915] ? kthread_affine_node (kernel/kthread.c:412) [ 68.054888][ T915] ret_from_fork_asm (arch/x86/entry/entry_64.S:255) | [ 68.057084][ T915] raw_local_irq_restore() called with IRQs enabled | [ 68.057439][ T915] WARNING: kernel/locking/irqflag-debug.c:10 at warn_bogus_irq_restore+0xc/0x20, CPU#2: pr/netcon0/915 | [ 68.057741][ T915] Modules linked in: netconsole netdevsim macsec [last unloaded: netdevsim] | [ 68.058510][ T915] Tainted: [W]=WARN [ 68.058650][ T915] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 68.058848][ T915] RIP: 0010:warn_bogus_irq_restore (kernel/locking/irqflag-debug.c:10 (discriminator 4)) [ 68.059084][ T915] Code: 05 bc 48 89 54 24 08 48 89 0c 24 e8 7e 0d d1 fe 48 8b 54 24 08 48 8b 0c 24 e9 25 ff ff ff f3 0f 1e fa 90 48 8d 3d 54 d2 75 01 <67> 48 0f b9 3a 90 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f All code ======== 0: 05 bc 48 89 54 add $0x548948bc,%eax 5: 24 08 and $0x8,%al 7: 48 89 0c 24 mov %rcx,(%rsp) b: e8 7e 0d d1 fe call 0xfffffffffed10d8e 10: 48 8b 54 24 08 mov 0x8(%rsp),%rdx 15: 48 8b 0c 24 mov (%rsp),%rcx 19: e9 25 ff ff ff jmp 0xffffffffffffff43 1e: f3 0f 1e fa endbr64 22: 90 nop 23: 48 8d 3d 54 d2 75 01 lea 0x175d254(%rip),%rdi # 0x175d27e 2a:* 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: 90 nop 30: c3 ret 31: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 38: 00 00 00 3b: 0f 1f 00 nopl (%rax) 3e: f3 repz 3f: 0f .byte 0xf Code starting with the faulting instruction =========================================== 0: 67 48 0f b9 3a ud1 (%edx),%rdi 5: 90 nop 6: c3 ret 7: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) e: 00 00 00 11: 0f 1f 00 nopl (%rax) 14: f3 repz 15: 0f .byte 0xf [ 68.059829][ T915] RSP: 0018:ffa0000000737ae0 EFLAGS: 00010202 [ 68.060033][ T915] RAX: 0000000000000000 RBX: ff11000007f54000 RCX: 0000000000000000 [ 68.060349][ T915] RDX: 0000000000000292 RSI: ffffffffbbbbc59e RDI: ffffffffbca7ae60 [ 68.060617][ T915] RBP: 0000000000000000 R08: 0000000000000001 R09: ffe21c000201f1e0 [ 68.060862][ T915] R10: 0000000000000002 R11: 0000000000000001 R12: ff110000056f1000 [ 68.061168][ T915] R13: dffffc0000000000 R14: 000000000000003a R15: 000000000000003a [ 68.061425][ T915] FS: 0000000000000000(0000) GS:ff11000077f8b000(0000) knlGS:0000000000000000 [ 68.061700][ T915] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.061903][ T915] CR2: 00007f6f514c7000 CR3: 000000002f33b002 CR4: 0000000000771ef0 [ 68.062134][ T915] PKRU: 55555554 [ 68.062293][ T915] Call Trace: [ 68.062432][ T915] [ 68.062614][ T915] netpoll_send_skb (net/core/netpoll.c:408 (discriminator 12)) [ 68.062787][ T915] netconsole_write (drivers/net/netconsole.c:1653 drivers/net/netconsole.c:1878 drivers/net/netconsole.c:1913) netconsole [ 68.062994][ T915] nbcon_emit_next_record (kernel/printk/nbcon.c:1070) [ 68.063174][ T915] ? nbcon_can_proceed (kernel/printk/nbcon.c:981) [ 68.063444][ T915] ? nbcon_context_try_acquire (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/printk/nbcon.c:170 kernel/printk/nbcon.c:630) [ 68.063733][ T915] nbcon_emit_one (kernel/printk/nbcon.c:1157 (discriminator 1)) [ 68.063973][ T915] ? nbcon_emit_next_record (kernel/printk/nbcon.c:1130) [ 68.064306][ T915] nbcon_kthread_func (kernel/printk/nbcon.c:1273) [ 68.064579][ T915] ? __nbcon_atomic_flush_pending (kernel/printk/nbcon.c:1221) [ 68.064786][ T915] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536) [ 68.064969][ T915] ? __nbcon_atomic_flush_pending (kernel/printk/nbcon.c:1221) [ 68.065175][ T915] ? __kthread_parkme (./arch/x86/include/asm/bitops.h:202 (discriminator 1) ./arch/x86/include/asm/bitops.h:232 (discriminator 1) ./include/asm-generic/bitops/instrumented-non-atomic.h:142 (discriminator 1) kernel/kthread.c:290 (discriminator 1)) [ 68.065367][ T915] ? __nbcon_atomic_flush_pending (kernel/printk/nbcon.c:1221) [ 68.065589][ T915] kthread (kernel/kthread.c:467) [ 68.065734][ T915] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 33)) [ 68.066009][ T915] ? kthread_affine_node (kernel/kthread.c:412) [ 68.066197][ T915] ret_from_fork (arch/x86/kernel/process.c:164) [ 68.066374][ T915] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37) [ 68.066654][ T915] ? __switch_to (./arch/x86/include/asm/cpufeature.h:101 arch/x86/kernel/process_64.c:377 arch/x86/kernel/process_64.c:665) [ 68.066827][ T915] ? kthread_affine_node (kernel/kthread.c:412) Finger prints: __netpoll_send_skb:netpoll_send_skb:netconsole_write:nbcon_emit_next_record:nbcon_emit_one warn_bogus_irq_restore:netpoll_send_skb:netconsole_write:nbcon_emit_next_record:nbcon_emit_one __local_bh_enable_ip:mock_phc_gettime64:nsim_start_xmit:netpoll_start_xmit:__netpoll_send_skb