====================================== | [ 11.617265][ T232] netconsole: network logging started | [ 12.616821][ T219] ------------[ cut here ]------------ | [ 12.617298][ T219] WARNING: CPU: 3 PID: 219 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) | [ 12.617739][ T219] Modules linked in: netconsole netdevsim [ 12.618304][ T219] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.618575][ T219] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 12.618850][ T219] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 90 0c 00 00 be ff ff ff ff e8 08 e9 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03 All code ======== 0: 00 e8 add %ch,%al 2: a3 4a fe ff 48 8b 5c movabs %eax,0x58245c8b48fffe4a 9: 24 58 b: e9 87 fb ff ff jmp 0xfffffffffffffb97 10: 49 8d bf 90 0c 00 00 lea 0xc90(%r15),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 08 e9 78 00 call 0x78e929 21: 85 c0 test %eax,%eax 23: 0f 85 99 00 00 00 jne 0xc2 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 34: fc ff df 37: 48 8b 54 24 20 mov 0x20(%rsp),%rdx 3c: 48 c1 ea 03 shr $0x3,%rdx Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax a: fc ff df d: 48 8b 54 24 20 mov 0x20(%rsp),%rdx 12: 48 c1 ea 03 shr $0x3,%rdx [ 12.619588][ T219] RSP: 0018:ffffc90000ad7548 EFLAGS: 00010246 [ 12.619873][ T219] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 12.620237][ T219] RDX: 0000000000000000 RSI: ffff88800c3cac90 RDI: ffff888004ecae38 [ 12.620582][ T219] RBP: ffffffff88d28600 R08: 0000000000000000 R09: fffffbfff0d7d944 [ 12.620926][ T219] R10: ffffffff86beca27 R11: ffff888004eca300 R12: 0000000000000000 [ 12.621318][ T219] R13: ffff88800c3ca128 R14: ffff88800c3ca008 R15: ffff88800c3ca000 [ 12.621672][ T219] FS: 00007f430f639740(0000) GS:ffff88802f780000(0000) knlGS:0000000000000000 [ 12.622188][ T219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 12.622501][ T219] CR2: 00005586b2aa6578 CR3: 00000000094c0004 CR4: 0000000000772ef0 [ 12.622842][ T219] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 12.623342][ T219] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 12.624123][ T219] PKRU: 55555554 [ 12.624404][ T219] Call Trace: [ 12.624667][ T219] [ 12.624861][ T219] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 12.625286][ T219] ? __warn (kernel/panic.c:748) [ 12.625586][ T219] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 12.625957][ T219] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 12.626338][ T219] ? handle_bug (arch/x86/kernel/traps.c:285) [ 12.626589][ T219] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 12.626954][ T219] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 12.627355][ T219] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 12.627706][ T219] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) [ 12.628096][ T219] ? __pfx___netdev_update_features (net/core/dev.c:10559) [ 12.628529][ T219] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) [ 12.628888][ T219] ? netdev_register_kobject (net/core/net-sysfs.c:2344) [ 12.629318][ T219] register_netdevice (net/core/dev.c:11003) [ 12.629685][ T219] ? __pfx_register_netdevice (net/core/dev.c:10881) [ 12.629946][ T219] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim [ 12.630188][ T219] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim [ 12.630560][ T219] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim [ 12.630954][ T219] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim [ 12.631312][ T219] nsim_drv_probe (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1607) netdevsim [ 12.631671][ T219] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim [ 12.631964][ T219] ? kernfs_create_link (fs/kernfs/symlink.c:48) [ 12.632211][ T219] ? kernfs_put (./arch/x86/include/asm/atomic.h:67 (discriminator 1) ./include/linux/atomic/atomic-arch-fallback.h:2278 (discriminator 1) ./include/linux/atomic/atomic-instrumented.h:1384 (discriminator 1) fs/kernfs/dir.c:557 (discriminator 1)) [ 12.632374][ T219] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) [ 12.632588][ T219] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) [ 12.632798][ T219] __driver_probe_device (drivers/base/dd.c:800) [ 12.633066][ T219] driver_probe_device (drivers/base/dd.c:830) [ 12.633289][ T219] __device_attach_driver (drivers/base/dd.c:959) [ 12.633518][ T219] ? __pfx___device_attach_driver (drivers/base/dd.c:922) [ 12.633767][ T219] bus_for_each_drv (drivers/base/bus.c:462) [ 12.633988][ T219] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) [ 12.634194][ T219] ? bus_to_subsys (drivers/base/bus.c:85) [ 12.634413][ T219] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 12.634620][ T219] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [ 12.634836][ T219] __device_attach (drivers/base/dd.c:1030) [ 12.635065][ T219] ? __pfx___device_attach (drivers/base/dd.c:1001) [ 12.635286][ T219] ? bus_to_subsys (drivers/base/bus.c:85) [ 12.635506][ T219] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 12.635737][ T219] bus_probe_device (drivers/base/bus.c:537) [ 12.635951][ T219] device_add (drivers/base/core.c:3672) [ 12.636177][ T219] ? __pfx_device_add (drivers/base/core.c:3548) [ 12.636389][ T219] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) [ 12.636615][ T219] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim [ 12.636883][ T219] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim [ 12.637184][ T219] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) [ 12.637403][ T219] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) [ 12.637625][ T219] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) [ 12.637840][ T219] kernfs_fop_write_iter (fs/kernfs/file.c:334) [ 12.638075][ T219] vfs_write (fs/read_write.c:586 fs/read_write.c:679) [ 12.638241][ T219] ? __pfx_vfs_write (fs/read_write.c:660) [ 12.638454][ T219] ? __lock_release (kernel/locking/lockdep.c:5527) [ 12.638658][ T219] ? do_user_addr_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) [ 12.638898][ T219] ? __pfx___up_read (kernel/locking/rwsem.c:1337) [ 12.639126][ T219] ksys_write (fs/read_write.c:731) [ 12.639285][ T219] ? __pfx_ksys_write (fs/read_write.c:721) [ 12.639496][ T219] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) [ 12.639721][ T219] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 12.639943][ T219] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 12.640218][ T219] RIP: 0033:0x7f430f77ab77 [ 12.640465][ T219] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 All code ======== 0: 0b 00 or (%rax),%eax 2: f7 d8 neg %eax 4: 64 89 02 mov %eax,%fs:(%rdx) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b7 jmp 0xffffffffffffffc7 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 01 00 00 00 mov $0x1,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 48 89 54 24 18 mov %rdx,0x18(%rsp) 3c: 48 rex.W 3d: 89 .byte 0x89 3e: 74 24 je 0x64 Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 48 89 54 24 18 mov %rdx,0x18(%rsp) 12: 48 rex.W 13: 89 .byte 0x89 14: 74 24 je 0x3a [ 12.641403][ T219] RSP: 002b:00007fff05fbc268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 12.641720][ T219] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f430f77ab77 [ 12.642041][ T219] RDX: 0000000000000004 RSI: 000055d987c816d0 RDI: 0000000000000001 [ 12.642346][ T219] RBP: 000055d987c816d0 R08: 0000000000000003 R09: 0000000000000000 [ 12.642659][ T219] R10: 0000000000000080 R11: 0000000000000246 R12: 0000000000000004 [ 12.642961][ T219] R13: 00007f430f836760 R14: 0000000000000004 R15: 00007f430f8319c0 | [ 12.664841][ T219] ------------[ cut here ]------------ | [ 12.665259][ T219] WARNING: CPU: 3 PID: 219 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) | [ 12.665768][ T219] Modules linked in: netconsole netdevsim | [ 12.666455][ T219] Tainted: [W]=WARN [ 12.666638][ T219] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.666897][ T219] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 12.667178][ T219] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 90 0c 00 00 be ff ff ff ff e8 08 e9 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03 All code ======== 0: 00 e8 add %ch,%al 2: a3 4a fe ff 48 8b 5c movabs %eax,0x58245c8b48fffe4a 9: 24 58 b: e9 87 fb ff ff jmp 0xfffffffffffffb97 10: 49 8d bf 90 0c 00 00 lea 0xc90(%r15),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 08 e9 78 00 call 0x78e929 21: 85 c0 test %eax,%eax 23: 0f 85 99 00 00 00 jne 0xc2 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 34: fc ff df 37: 48 8b 54 24 20 mov 0x20(%rsp),%rdx 3c: 48 c1 ea 03 shr $0x3,%rdx Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax a: fc ff df d: 48 8b 54 24 20 mov 0x20(%rsp),%rdx 12: 48 c1 ea 03 shr $0x3,%rdx [ 12.667928][ T219] RSP: 0018:ffffc90000ad7548 EFLAGS: 00010246 [ 12.668227][ T219] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 12.668571][ T219] RDX: 0000000000000000 RSI: ffff88800c3c2c90 RDI: ffff888004ecae38 [ 12.668902][ T219] RBP: ffffffff88d28600 R08: 0000000000000000 R09: fffffbfff0d7d944 [ 12.669252][ T219] R10: ffffffff86beca27 R11: ffff888004eca300 R12: 0000000000000000 [ 12.669615][ T219] R13: ffff88800c3c2128 R14: ffff88800c3c2008 R15: ffff88800c3c2000 [ 12.669944][ T219] FS: 00007f430f639740(0000) GS:ffff88802f780000(0000) knlGS:0000000000000000 [ 12.670343][ T219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 12.670618][ T219] CR2: 00005586b2aa6578 CR3: 00000000094c0004 CR4: 0000000000772ef0 [ 12.670930][ T219] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 12.671513][ T219] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 12.671824][ T219] PKRU: 55555554 [ 12.671998][ T219] Call Trace: [ 12.672182][ T219] [ 12.672347][ T219] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 12.672657][ T219] ? __warn (kernel/panic.c:748) [ 12.672829][ T219] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 12.673064][ T219] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 12.673284][ T219] ? handle_bug (arch/x86/kernel/traps.c:285) [ 12.673449][ T219] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 12.673667][ T219] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 12.673887][ T219] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 12.674114][ T219] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) [ 12.674366][ T219] ? __pfx___netdev_update_features (net/core/dev.c:10559) [ 12.674648][ T219] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) [ 12.674875][ T219] ? netdev_register_kobject (net/core/net-sysfs.c:2344) [ 12.675115][ T219] register_netdevice (net/core/dev.c:11003) [ 12.675352][ T219] ? __pfx_register_netdevice (net/core/dev.c:10881) [ 12.675592][ T219] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim [ 12.675839][ T219] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim [ 12.676138][ T219] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim [ 12.676437][ T219] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim [ 12.676730][ T219] nsim_drv_probe (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1607) netdevsim [ 12.677000][ T219] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim [ 12.677272][ T219] ? kernfs_create_link (fs/kernfs/symlink.c:48) [ 12.677498][ T219] ? kernfs_put (./arch/x86/include/asm/atomic.h:67 (discriminator 1) ./include/linux/atomic/atomic-arch-fallback.h:2278 (discriminator 1) ./include/linux/atomic/atomic-instrumented.h:1384 (discriminator 1) fs/kernfs/dir.c:557 (discriminator 1)) [ 12.677652][ T219] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) [ 12.677865][ T219] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) [ 12.678103][ T219] __driver_probe_device (drivers/base/dd.c:800) [ 12.678324][ T219] driver_probe_device (drivers/base/dd.c:830) [ 12.678549][ T219] __device_attach_driver (drivers/base/dd.c:959) [ 12.678765][ T219] ? __pfx___device_attach_driver (drivers/base/dd.c:922) [ 12.679064][ T219] bus_for_each_drv (drivers/base/bus.c:462) [ 12.679298][ T219] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) [ 12.679542][ T219] ? bus_to_subsys (drivers/base/bus.c:85) [ 12.679763][ T219] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 12.680003][ T219] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [ 12.680243][ T219] __device_attach (drivers/base/dd.c:1030) [ 12.680495][ T219] ? __pfx___device_attach (drivers/base/dd.c:1001) [ 12.680715][ T219] ? bus_to_subsys (drivers/base/bus.c:85) [ 12.681021][ T219] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 12.681390][ T219] bus_probe_device (drivers/base/bus.c:537) [ 12.681641][ T219] device_add (drivers/base/core.c:3672) [ 12.681855][ T219] ? __pfx_device_add (drivers/base/core.c:3548) [ 12.682082][ T219] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) [ 12.682366][ T219] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim [ 12.682634][ T219] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim [ 12.682897][ T219] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) [ 12.683118][ T219] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) [ 12.683330][ T219] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) [ 12.683895][ T219] kernfs_fop_write_iter (fs/kernfs/file.c:334) [ 12.684309][ T219] vfs_write (fs/read_write.c:586 fs/read_write.c:679) [ 12.684494][ T219] ? __pfx_vfs_write (fs/read_write.c:660) [ 12.684881][ T219] ? find_held_lock (kernel/locking/lockdep.c:5341) [ 12.685135][ T219] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 12.685379][ T219] ksys_write (fs/read_write.c:731) [ 12.685834][ T219] ? __pfx_ksys_write (fs/read_write.c:721) [ 12.686092][ T219] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 12.686330][ T219] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 12.686642][ T219] RIP: 0033:0x7f430f77ab77 [ 12.686876][ T219] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 All code ======== 0: 0b 00 or (%rax),%eax 2: f7 d8 neg %eax 4: 64 89 02 mov %eax,%fs:(%rdx) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b7 jmp 0xffffffffffffffc7 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 01 00 00 00 mov $0x1,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 48 89 54 24 18 mov %rdx,0x18(%rsp) 3c: 48 rex.W 3d: 89 .byte 0x89 3e: 74 24 je 0x64 Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 48 89 54 24 18 mov %rdx,0x18(%rsp) 12: 48 rex.W 13: 89 .byte 0x89 14: 74 24 je 0x3a [ 12.687949][ T219] RSP: 002b:00007fff05fbc298 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 12.688310][ T219] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f430f77ab77 [ 12.688663][ T219] RDX: 0000000000000004 RSI: 000055d987c816d0 RDI: 0000000000000001 [ 12.689010][ T219] RBP: 000055d987c816d0 R08: 0000000000000000 R09: 00007f430f7ed4e0 [ 12.689341][ T219] R10: 00007f430f7ed3e0 R11: 0000000000000246 R12: 0000000000000004 Finger prints: __netdev_update_features:register_netdevice:nsim_create:__nsim_dev_port_add:nsim_drv_probe