FYI, $subject is followed by a might sleep splat. Box is an aging HP
Spectre X360 lappy.
[ 5.987129] =====================================================
[ 5.987133] WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected
[ 5.987138] 5.10.0.g3650b22-master #15 Tainted: G I E
[ 5.987141] -----------------------------------------------------
[ 5.987145] systemd-udevd/316 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire:
[ 5.987149] ffffffffb85ba0f8 (pin_fs_lock){+.+.}-{2:2}, at: simple_pin_fs+0x22/0xa0
[ 5.987161]
and this task is already holding:
[ 5.987164] ffff980789f4c430 (&xhci->lock){-.-.}-{2:2}, at: xhci_alloc_streams+0x592/0x880 [xhci_hcd]
[ 5.987181] which would create a new lock dependency:
[ 5.987184] (&xhci->lock){-.-.}-{2:2} -> (pin_fs_lock){+.+.}-{2:2}
[ 5.987191]
but this new dependency connects a HARDIRQ-irq-safe lock:
[ 5.987195] (&xhci->lock){-.-.}-{2:2}
[ 5.987197]
... which became HARDIRQ-irq-safe at:
[ 5.987206] lock_acquire+0x1a7/0x3b0
[ 5.987211] _raw_spin_lock_irqsave+0x3d/0x50
[ 5.987220] xhci_irq+0x3f/0x500 [xhci_hcd]
[ 5.987225] __handle_irq_event_percpu+0x4b/0x300
[ 5.987229] handle_irq_event_percpu+0x20/0x50
[ 5.987232] handle_irq_event+0x37/0x60
[ 5.987236] handle_edge_irq+0xaa/0x1d0
[ 5.987239] asm_call_irq_on_stack+0xf/0x20
[ 5.987243] common_interrupt+0x169/0x240
[ 5.987247] asm_common_interrupt+0x1e/0x40
[ 5.987251] native_queued_spin_lock_slowpath+0x6f/0x1f0
[ 5.987255] do_raw_spin_lock+0xb1/0xc0
[ 5.987259] dput+0x206/0x460
[ 5.987262] terminate_walk+0xfa/0x150
[ 5.987265] path_openat+0x29d/0xa60
[ 5.987268] do_filp_open+0x8c/0xf0
[ 5.987272] do_sys_openat2+0x1f8/0x2b0
[ 5.987275] do_sys_open+0x47/0x60
[ 5.987278] do_syscall_64+0x33/0x40
[ 5.987282] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 5.987285]
to a HARDIRQ-irq-unsafe lock:
[ 5.987288] (pin_fs_lock){+.+.}-{2:2}
[ 5.987290]
... which became HARDIRQ-irq-unsafe at:
[ 5.987296] ...
[ 5.987298] lock_acquire+0x1a7/0x3b0
[ 5.987303] _raw_spin_lock+0x2f/0x40
[ 5.987306] simple_pin_fs+0x22/0xa0
[ 5.987310] start_creating+0x57/0x180
[ 5.987313] debugfs_create_dir+0x15/0x140
[ 5.987318] em_debug_init+0x13/0x1d
[ 5.987322] do_one_initcall+0x54/0x2f0
[ 5.987327] kernel_init_freeable+0x26a/0x2ac
[ 5.987331] kernel_init+0xa/0x110
[ 5.987334] ret_from_fork+0x1f/0x30
[ 5.987337]
other info that might help us debug this:
[ 5.987341] Possible interrupt unsafe locking scenario:
[ 5.987345] CPU0 CPU1
[ 5.987348] ---- ----
[ 5.987351] lock(pin_fs_lock);
[ 5.987354] local_irq_disable();
[ 5.987357] lock(&xhci->lock);
[ 5.987362] lock(pin_fs_lock);
[ 5.987366] <Interrupt>
[ 5.987368] lock(&xhci->lock);
[ 5.987371]
*** DEADLOCK ***
[ 5.987375] 3 locks held by systemd-udevd/316:
[ 5.987378] #0: ffff98078a974218 (&dev->mutex){....}-{3:3}, at: __device_driver_lock+0x38/0x50
[ 5.987388] #1: ffff98078a9769a8 (&dev->mutex){....}-{3:3}, at: device_driver_attach+0x1d/0x60
[ 5.987396] #2: ffff980789f4c430 (&xhci->lock){-.-.}-{2:2}, at: xhci_alloc_streams+0x592/0x880 [xhci_hcd]
[ 5.987409]
the dependencies between HARDIRQ-irq-safe lock and the holding lock:
[ 5.987420] -> (&xhci->lock){-.-.}-{2:2} {
[ 5.987426] IN-HARDIRQ-W at:
[ 5.987430] lock_acquire+0x1a7/0x3b0
[ 5.987434] _raw_spin_lock_irqsave+0x3d/0x50
[ 5.987444] xhci_irq+0x3f/0x500 [xhci_hcd]
[ 5.987448] __handle_irq_event_percpu+0x4b/0x300
[ 5.987452] handle_irq_event_percpu+0x20/0x50
[ 5.987456] handle_irq_event+0x37/0x60
[ 5.987460] handle_edge_irq+0xaa/0x1d0
[ 5.987464] asm_call_irq_on_stack+0xf/0x20
[ 5.987468] common_interrupt+0x169/0x240
[ 5.987472] asm_common_interrupt+0x1e/0x40
[ 5.987477] native_queued_spin_lock_slowpath+0x6f/0x1f0
[ 5.987481] do_raw_spin_lock+0xb1/0xc0
[ 5.987485] dput+0x206/0x460
[ 5.987488] terminate_walk+0xfa/0x150
[ 5.987492] path_openat+0x29d/0xa60
[ 5.987496] do_filp_open+0x8c/0xf0
[ 5.987499] do_sys_openat2+0x1f8/0x2b0
[ 5.987503] do_sys_open+0x47/0x60
[ 5.987507] do_syscall_64+0x33/0x40
[ 5.987511] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 5.987515] IN-SOFTIRQ-W at:
[ 5.987519] lock_acquire+0x1a7/0x3b0
[ 5.987523] _raw_spin_lock_irqsave+0x3d/0x50
[ 5.987533] xhci_hub_status_data+0xc2/0x390 [xhci_hcd]
[ 5.987547] usb_hcd_poll_rh_status+0x41/0x180 [usbcore]
[ 5.987552] call_timer_fn+0x9d/0x2b0
[ 5.987556] run_timer_softirq+0x48d/0x570
[ 5.987560] __do_softirq+0xeb/0x4a4
[ 5.987563] asm_call_irq_on_stack+0xf/0x20
[ 5.987568] do_softirq_own_stack+0x81/0xa0
[ 5.987573] irq_exit_rcu+0xf6/0x100
[ 5.987577] sysvec_apic_timer_interrupt+0x57/0xf0
[ 5.987582] asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 5.987586] debug_lockdep_rcu_enabled+0x2b/0x30
[ 5.987592] dput+0x5f/0x460
[ 5.987597] path_openat+0x87b/0xa60
[ 5.987603] do_filp_open+0x8c/0xf0
[ 5.987609] do_sys_openat2+0x1f8/0x2b0
[ 5.987615] do_sys_open+0x47/0x60
[ 5.987620] do_syscall_64+0x33/0x40
[ 5.987628] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 5.987634] INITIAL USE at:
[ 5.987641] lock_acquire+0x1a7/0x3b0
[ 5.987648] _raw_spin_lock_irqsave+0x3d/0x50
[ 5.987665] xhci_hub_control+0xa5/0x2440 [xhci_hcd]
[ 5.987681] usb_hcd_submit_urb+0x743/0xb00 [usbcore]
[ 5.987701] usb_start_wait_urb+0x55/0x140 [usbcore]
[ 5.987712] usb_control_msg+0xc3/0x110 [usbcore]
[ 5.987721] hub_configure+0x103/0xc00 [usbcore]
[ 5.987730] hub_probe+0x29c/0x350 [usbcore]
[ 5.987740] usb_probe_interface+0x105/0x300 [usbcore]
[ 5.987745] really_probe+0xf7/0x4d0
[ 5.987749] driver_probe_device+0x5d/0x140
[ 5.987753] bus_for_each_drv+0x5e/0x90
[ 5.987757] __device_attach+0xbe/0x140
[ 5.987761] bus_probe_device+0x9c/0xb0
[ 5.987764] device_add+0x3fa/0x820
[ 5.987774] usb_set_configuration+0x469/0x960 [usbcore]
[ 5.987784] usb_generic_driver_probe+0x28/0x70 [usbcore]
[ 5.987794] usb_probe_device+0x3b/0xc0 [usbcore]
[ 5.987798] really_probe+0xf7/0x4d0
[ 5.987802] driver_probe_device+0x5d/0x140
[ 5.987806] bus_for_each_drv+0x5e/0x90
[ 5.987810] __device_attach+0xbe/0x140
[ 5.987814] bus_probe_device+0x9c/0xb0
[ 5.987817] device_add+0x3fa/0x820
[ 5.987826] usb_new_device+0x21d/0x4a0 [usbcore]
[ 5.987835] usb_add_hcd+0x60b/0x7f0 [usbcore]
[ 5.987845] usb_hcd_pci_probe+0x237/0x480 [usbcore]
[ 5.987850] xhci_pci_probe+0x6d/0x1df [xhci_pci]
[ 5.987855] local_pci_probe+0x42/0x90
[ 5.987859] pci_device_probe+0xe7/0x1a0
[ 5.987863] really_probe+0xf7/0x4d0
[ 5.987867] driver_probe_device+0x5d/0x140
[ 5.987872] device_driver_attach+0x4f/0x60
[ 5.987876] __driver_attach+0xa4/0x140
[ 5.987879] bus_for_each_dev+0x67/0x90
[ 5.987883] bus_add_driver+0x18c/0x230
[ 5.987887] driver_register+0x5b/0xf0
[ 5.987891] do_one_initcall+0x54/0x2f0
[ 5.987896] do_init_module+0x5b/0x21b
[ 5.987900] load_module+0x1e40/0x2370
[ 5.987904] __do_sys_finit_module+0x98/0xe0
[ 5.987908] do_syscall_64+0x33/0x40
[ 5.987912] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 5.987916] }
[ 5.987923] ... key at: [<ffffffffc06054e0>] __key.49448+0x0/0xfffffffffffe5b20 [xhci_hcd]
[ 5.987927] ... acquired at:
[ 5.987930] lock_acquire+0x1a7/0x3b0
[ 5.987934] _raw_spin_lock+0x2f/0x40
[ 5.987938] simple_pin_fs+0x22/0xa0
[ 5.987941] start_creating+0x57/0x180
[ 5.987944] __debugfs_create_file+0x3c/0x160
[ 5.987954] xhci_debugfs_create_stream_files+0x6a/0x90 [xhci_hcd]
[ 5.987962] xhci_alloc_streams+0x5fb/0x880 [xhci_hcd]
[ 5.987971] usb_alloc_streams+0xc2/0x120 [usbcore]
[ 5.987976] uas_configure_endpoints+0x124/0x150 [uas]
[ 5.987981] uas_probe+0x44d/0x5f6 [uas]
[ 5.987990] usb_probe_interface+0x105/0x300 [usbcore]
[ 5.987994] really_probe+0xf7/0x4d0
[ 5.987998] driver_probe_device+0x5d/0x140
[ 5.988003] device_driver_attach+0x4f/0x60
[ 5.988008] __driver_attach+0xa4/0x140
[ 5.988013] bus_for_each_dev+0x67/0x90
[ 5.988018] bus_add_driver+0x18c/0x230
[ 5.988023] driver_register+0x5b/0xf0
[ 5.988032] usb_register_driver+0xb1/0x170 [usbcore]
[ 5.988036] uas_init+0x46/0x1000 [uas]
[ 5.988040] do_one_initcall+0x54/0x2f0
[ 5.988043] do_init_module+0x5b/0x21b
[ 5.988046] load_module+0x1e40/0x2370
[ 5.988050] __do_sys_finit_module+0x98/0xe0
[ 5.988053] do_syscall_64+0x33/0x40
[ 5.988057] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 5.988062]
the dependencies between the lock to be acquired
[ 5.988062] and HARDIRQ-irq-unsafe lock:
[ 5.988074] -> (pin_fs_lock){+.+.}-{2:2} {
[ 5.988080] HARDIRQ-ON-W at:
[ 5.988084] lock_acquire+0x1a7/0x3b0
[ 5.988088] _raw_spin_lock+0x2f/0x40
[ 5.988092] simple_pin_fs+0x22/0xa0
[ 5.988096] start_creating+0x57/0x180
[ 5.988099] debugfs_create_dir+0x15/0x140
[ 5.988104] em_debug_init+0x13/0x1d
[ 5.988108] do_one_initcall+0x54/0x2f0
[ 5.988113] kernel_init_freeable+0x26a/0x2ac
[ 5.988117] kernel_init+0xa/0x110
[ 5.988121] ret_from_fork+0x1f/0x30
[ 5.988124] SOFTIRQ-ON-W at:
[ 5.988128] lock_acquire+0x1a7/0x3b0
[ 5.988132] _raw_spin_lock+0x2f/0x40
[ 5.988136] simple_pin_fs+0x22/0xa0
[ 5.988139] start_creating+0x57/0x180
[ 5.988143] debugfs_create_dir+0x15/0x140
[ 5.988147] em_debug_init+0x13/0x1d
[ 5.988151] do_one_initcall+0x54/0x2f0
[ 5.988155] kernel_init_freeable+0x26a/0x2ac
[ 5.988159] kernel_init+0xa/0x110
[ 5.988163] ret_from_fork+0x1f/0x30
[ 5.988166] INITIAL USE at:
[ 5.988170] lock_acquire+0x1a7/0x3b0
[ 5.988174] _raw_spin_lock+0x2f/0x40
[ 5.988178] simple_pin_fs+0x22/0xa0
[ 5.988181] start_creating+0x57/0x180
[ 5.988185] debugfs_create_dir+0x15/0x140
[ 5.988189] em_debug_init+0x13/0x1d
[ 5.988193] do_one_initcall+0x54/0x2f0
[ 5.988197] kernel_init_freeable+0x26a/0x2ac
[ 5.988201] kernel_init+0xa/0x110
[ 5.988205] ret_from_fork+0x1f/0x30
[ 5.988208] }
[ 5.988211] ... key at: [<ffffffffb85ba0f8>] pin_fs_lock+0x18/0x40
[ 5.988215] ... acquired at:
[ 5.988218] lock_acquire+0x1a7/0x3b0
[ 5.988222] _raw_spin_lock+0x2f/0x40
[ 5.988225] simple_pin_fs+0x22/0xa0
[ 5.988228] start_creating+0x57/0x180
[ 5.988231] __debugfs_create_file+0x3c/0x160
[ 5.988241] xhci_debugfs_create_stream_files+0x6a/0x90 [xhci_hcd]
[ 5.988249] xhci_alloc_streams+0x5fb/0x880 [xhci_hcd]
[ 5.988258] usb_alloc_streams+0xc2/0x120 [usbcore]
[ 5.988262] uas_configure_endpoints+0x124/0x150 [uas]
[ 5.988267] uas_probe+0x44d/0x5f6 [uas]
[ 5.988276] usb_probe_interface+0x105/0x300 [usbcore]
[ 5.988280] really_probe+0xf7/0x4d0
[ 5.988283] driver_probe_device+0x5d/0x140
[ 5.988287] device_driver_attach+0x4f/0x60
[ 5.988290] __driver_attach+0xa4/0x140
[ 5.988294] bus_for_each_dev+0x67/0x90
[ 5.988297] bus_add_driver+0x18c/0x230
[ 5.988301] driver_register+0x5b/0xf0
[ 5.988310] usb_register_driver+0xb1/0x170 [usbcore]
[ 5.988314] uas_init+0x46/0x1000 [uas]
[ 5.988317] do_one_initcall+0x54/0x2f0
[ 5.988321] do_init_module+0x5b/0x21b
[ 5.988324] load_module+0x1e40/0x2370
[ 5.988327] __do_sys_finit_module+0x98/0xe0
[ 5.988330] do_syscall_64+0x33/0x40
[ 5.988334] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 5.988339]
stack backtrace:
[ 5.988343] CPU: 0 PID: 316 Comm: systemd-udevd Tainted: G I E 5.10.0.g3650b22-master #15
[ 5.988348] Hardware name: HP HP Spectre x360 Convertible/804F, BIOS F.47 11/22/2017
[ 5.988352] Call Trace:
[ 5.988357] dump_stack+0x77/0x97
[ 5.988362] check_irq_usage+0x7a8/0x7b0
[ 5.988367] ? check_path.constprop.54+0x22/0x40
[ 5.988373] ? __lock_acquire+0x14af/0x1a70
[ 5.988377] __lock_acquire+0x14af/0x1a70
[ 5.988383] lock_acquire+0x1a7/0x3b0
[ 5.988386] ? simple_pin_fs+0x22/0xa0
[ 5.988392] _raw_spin_lock+0x2f/0x40
[ 5.988395] ? simple_pin_fs+0x22/0xa0
[ 5.988398] simple_pin_fs+0x22/0xa0
[ 5.988402] start_creating+0x57/0x180
[ 5.988406] __debugfs_create_file+0x3c/0x160
[ 5.988416] xhci_debugfs_create_stream_files+0x6a/0x90 [xhci_hcd]
[ 5.988425] xhci_alloc_streams+0x5fb/0x880 [xhci_hcd]
[ 5.988433] ? xhci_free_streams+0x390/0x390 [xhci_hcd]
[ 5.988443] usb_alloc_streams+0xc2/0x120 [usbcore]
[ 5.988448] uas_configure_endpoints+0x124/0x150 [uas]
[ 5.988453] uas_probe+0x44d/0x5f6 [uas]
[ 5.988464] usb_probe_interface+0x105/0x300 [usbcore]
[ 5.988470] really_probe+0xf7/0x4d0
[ 5.988474] driver_probe_device+0x5d/0x140
[ 5.988478] device_driver_attach+0x4f/0x60
[ 5.988482] __driver_attach+0xa4/0x140
[ 5.988486] ? device_driver_attach+0x60/0x60
[ 5.988490] bus_for_each_dev+0x67/0x90
[ 5.988494] ? preempt_count_sub+0x9b/0xd0
[ 5.988498] bus_add_driver+0x18c/0x230
[ 5.988502] driver_register+0x5b/0xf0
[ 5.988511] usb_register_driver+0xb1/0x170 [usbcore]
[ 5.988516] ? 0xffffffffc03d1000
[ 5.988520] uas_init+0x46/0x1000 [uas]
[ 5.988523] do_one_initcall+0x54/0x2f0
[ 5.988528] ? kmem_cache_alloc_trace+0x5d5/0x7d0
[ 5.988533] do_init_module+0x5b/0x21b
[ 5.988536] load_module+0x1e40/0x2370
[ 5.988544] ? __do_sys_finit_module+0x98/0xe0
[ 5.988547] __do_sys_finit_module+0x98/0xe0
[ 5.988553] do_syscall_64+0x33/0x40
[ 5.988557] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 5.988561] RIP: 0033:0x7f793ca6b839
[ 5.988566] Code: 00 48 81 c4 80 00 00 00 89 f0 c3 66 0f 1f 44 00 00 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 2f d6 2b 00 f7 d8 64 89 01 48
[ 5.988574] RSP: 002b:00007ffe91014848 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 5.988579] RAX: ffffffffffffffda RBX: 000055611701cd10 RCX: 00007f793ca6b839
[ 5.988583] RDX: 0000000000000000 RSI: 00007f793d3a687d RDI: 000000000000000e
[ 5.988587] RBP: 00007f793d3a687d R08: 0000000000000000 R09: 0000000000000000
[ 5.988591] R10: 000000000000000e R11: 0000000000000246 R12: 0000000000020000
[ 5.988595] R13: 000055611700d820 R14: 0000000000000000 R15: 0000000003938700
[ 5.988603] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1530
[ 5.988608] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 316, name: systemd-udevd
[ 5.988612] INFO: lockdep is turned off.
[ 5.988615] irq event stamp: 59514
[ 5.988618] hardirqs last enabled at (59513): [<ffffffffb79bfee4>] _raw_spin_unlock_irq+0x24/0x50
[ 5.988624] hardirqs last disabled at (59514): [<ffffffffb79bfcc7>] _raw_spin_lock_irqsave+0x17/0x50
[ 5.988629] softirqs last enabled at (58022): [<ffffffffb7c002d7>] __do_softirq+0x2d7/0x4a4
[ 5.988634] softirqs last disabled at (57585): [<ffffffffb7a00fdf>] asm_call_irq_on_stack+0xf/0x20
[ 5.988639] Preemption disabled at:
[ 5.988640] [<0000000000000000>] 0x0
[ 5.988645] CPU: 0 PID: 316 Comm: systemd-udevd Tainted: G I E 5.10.0.g3650b22-master #15
[ 5.988650] Hardware name: HP HP Spectre x360 Convertible/804F, BIOS F.47 11/22/2017
[ 5.988654] Call Trace:
[ 5.988658] dump_stack+0x77/0x97
[ 5.988662] ___might_sleep+0x17d/0x260
[ 5.988666] down_write+0x1c/0x70
[ 5.988669] start_creating+0x7b/0x180
[ 5.988673] __debugfs_create_file+0x3c/0x160
[ 5.988684] xhci_debugfs_create_stream_files+0x6a/0x90 [xhci_hcd]
[ 5.988692] xhci_alloc_streams+0x5fb/0x880 [xhci_hcd]
[ 5.988700] ? xhci_free_streams+0x390/0x390 [xhci_hcd]
[ 5.988710] usb_alloc_streams+0xc2/0x120 [usbcore]
[ 5.988715] uas_configure_endpoints+0x124/0x150 [uas]
[ 5.988721] uas_probe+0x44d/0x5f6 [uas]
[ 5.988731] usb_probe_interface+0x105/0x300 [usbcore]
[ 5.988736] really_probe+0xf7/0x4d0
[ 5.988741] driver_probe_device+0x5d/0x140
[ 5.988745] device_driver_attach+0x4f/0x60
[ 5.988749] __driver_attach+0xa4/0x140
[ 5.988753] ? device_driver_attach+0x60/0x60
[ 5.988756] bus_for_each_dev+0x67/0x90
[ 5.988760] ? preempt_count_sub+0x9b/0xd0
[ 5.988764] bus_add_driver+0x18c/0x230
[ 5.988768] driver_register+0x5b/0xf0
[ 5.988777] usb_register_driver+0xb1/0x170 [usbcore]
[ 5.988781] ? 0xffffffffc03d1000
[ 5.988785] uas_init+0x46/0x1000 [uas]
[ 5.988788] do_one_initcall+0x54/0x2f0
[ 5.988792] ? kmem_cache_alloc_trace+0x5d5/0x7d0
[ 5.988797] do_init_module+0x5b/0x21b
[ 5.988801] load_module+0x1e40/0x2370
[ 5.988808] ? __do_sys_finit_module+0x98/0xe0
[ 5.988811] __do_sys_finit_module+0x98/0xe0
[ 5.988817] do_syscall_64+0x33/0x40
[ 5.988821] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 5.988825] RIP: 0033:0x7f793ca6b839
[ 5.988828] Code: 00 48 81 c4 80 00 00 00 89 f0 c3 66 0f 1f 44 00 00 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 2f d6 2b 00 f7 d8 64 89 01 48
[ 5.988836] RSP: 002b:00007ffe91014848 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 5.988841] RAX: ffffffffffffffda RBX: 000055611701cd10 RCX: 00007f793ca6b839
[ 5.988845] RDX: 0000000000000000 RSI: 00007f793d3a687d RDI: 000000000000000e
[ 5.988849] RBP: 00007f793d3a687d R08: 0000000000000000 R09: 0000000000000000
[ 5.988853] R10: 000000000000000e R11: 0000000000000246 R12: 0000000000020000
[ 5.988857] R13: 000055611700d820 R14: 0000000000000000 R15: 0000000003938700
