kobject: kobject_add_internal failed for hci2:0 with -EEXIST, don't try to register things with the same name in the same directory.
Bluetooth: hci2: failed to register connection device
------------[ cut here ]------------
WARNING: net/bluetooth/hci_conn.c:567 at hci_conn_timeout+0x82/0x130, CPU#1: kworker/u11:2/6248
Modules linked in:
CPU: 1 UID: 0 PID: 6248 Comm: kworker/u11:2 Not tainted 6.18.0-rc3-next-20251031 #1 PREEMPT(voluntary)
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Workqueue: hci2 hci_conn_timeout
RIP: 0010:hci_conn_timeout+0x82/0x130
Code: e8 23 78 2b fd 85 ed 78 1b e8 ea 7c 2b fd 31 ff 89 ee e8 11 78 2b fd 85 ed 74 12 5b 5d 41 5c e9 d4 7c 2b fd e8 cf 7c 2b fd 90 <0f> 0b 90 e8 c6 7c 2b fd 48 8d bb f5 f6 ff ff 48 b8 00 00 00 00 00
RSP: 0018:ffff888049eb7c60 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88804ae0c948 RCX: ffffffff844899fd
RDX: ffff888049fed280 RSI: ffffffff84489a21 RDI: 0000000000000005
RBP: 00000000ffffffff R08: 0000000000000000 R09: ffffed10095c1802
R10: 00000000ffffffff R11: 0000000000000001 R12: ffff888016b18000
R13: ffff888049eb7d30 R14: 0000000000000001 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880e54ed000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fba3651f718 CR3: 00000000172dd000 CR4: 0000000000350ef0
Call Trace:
process_one_work+0x8e1/0x19c0
worker_thread+0x67e/0xe90
kthread+0x3c8/0x740
ret_from_fork+0x38b/0x470
ret_from_fork_asm+0x1a/0x30
irq event stamp: 15041
hardirqs last enabled at (15049): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (15060): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (14828): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (15079): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
debugfs: '0' already exists in 'hci5'
sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci5/hci5:0'
CPU: 0 UID: 0 PID: 300 Comm: kworker/u11:3 Tainted: G W 6.18.0-rc3-next-20251031 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Workqueue: hci5 hci_rx_work
Call Trace:
dump_stack_lvl+0xfa/0x120
sysfs_warn_dup+0x80/0xa0
sysfs_create_dir_ns+0x23b/0x2a0
kobject_add_internal+0x24c/0x9a0
kobject_add+0x157/0x240
device_add+0x32d/0x1830
hci_conn_add_sysfs+0x117/0x1c0
le_conn_complete_evt+0x124b/0x1f60
hci_le_enh_conn_complete_evt+0x22f/0x2e0
hci_le_meta_evt+0x34b/0x530
hci_event_packet+0x66c/0x10e0
hci_rx_work+0x96c/0x1270
process_one_work+0x8e1/0x19c0
worker_thread+0x67e/0xe90
kthread+0x3c8/0x740
ret_from_fork+0x38b/0x470
ret_from_fork_asm+0x1a/0x30
kobject: kobject_add_internal failed for hci5:0 with -EEXIST, don't try to register things with the same name in the same directory.
Bluetooth: hci5: failed to register connection device
debugfs: '0' already exists in 'hci5'
sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci5/hci5:0'
CPU: 0 UID: 0 PID: 300 Comm: kworker/u11:3 Tainted: G W 6.18.0-rc3-next-20251031 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Workqueue: hci5 hci_rx_work
Call Trace:
dump_stack_lvl+0xfa/0x120
sysfs_warn_dup+0x80/0xa0
sysfs_create_dir_ns+0x23b/0x2a0
kobject_add_internal+0x24c/0x9a0
kobject_add+0x157/0x240
device_add+0x32d/0x1830
hci_conn_add_sysfs+0x117/0x1c0
le_conn_complete_evt+0x124b/0x1f60
hci_le_enh_conn_complete_evt+0x22f/0x2e0
hci_le_meta_evt+0x34b/0x530
hci_event_packet+0x66c/0x10e0
hci_rx_work+0x96c/0x1270
process_one_work+0x8e1/0x19c0
worker_thread+0x67e/0xe90
kthread+0x3c8/0x740
ret_from_fork+0x38b/0x470
ret_from_fork_asm+0x1a/0x30
kobject: kobject_add_internal failed for hci5:0 with -EEXIST, don't try to register things with the same name in the same directory.
Bluetooth: hci5: failed to register connection device
debugfs: '0' already exists in 'hci3'
sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci3/hci3:0'
CPU: 0 UID: 0 PID: 291 Comm: kworker/u11:1 Tainted: G W 6.18.0-rc3-next-20251031 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Workqueue: hci3 hci_rx_work
Call Trace:
dump_stack_lvl+0xfa/0x120
sysfs_warn_dup+0x80/0xa0
sysfs_create_dir_ns+0x23b/0x2a0
kobject_add_internal+0x24c/0x9a0
kobject_add+0x157/0x240
device_add+0x32d/0x1830
hci_conn_add_sysfs+0x117/0x1c0
le_conn_complete_evt+0x124b/0x1f60
hci_le_enh_conn_complete_evt+0x22f/0x2e0
hci_le_meta_evt+0x34b/0x530
hci_event_packet+0x66c/0x10e0
hci_rx_work+0x96c/0x1270
process_one_work+0x8e1/0x19c0
worker_thread+0x67e/0xe90
kthread+0x3c8/0x740
ret_from_fork+0x38b/0x470
ret_from_fork_asm+0x1a/0x30
kobject: kobject_add_internal failed for hci3:0 with -EEXIST, don't try to register things with the same name in the same directory.
Bluetooth: hci3: failed to register connection device
Bluetooth: hci5: command 0x0406 tx timeout
Bluetooth: hci3: command 0x0406 tx timeout
Bluetooth: hci2: command 0x0406 tx timeout
Bluetooth: hci5: command 0x0406 tx timeout
Bluetooth: hci2: command 0x0406 tx timeout
Bluetooth: hci3: command 0x0406 tx timeout
Bluetooth: hci5: command 0x0406 tx timeout
Bluetooth: hci2: command 0x0406 tx timeout
Bluetooth: hci3: command 0x0406 tx timeout
Bluetooth: hci5: command 0x0406 tx timeout
Bluetooth: hci2: command 0x0406 tx timeout
debugfs: '0' already exists in 'hci5'
sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci5/hci5:0'
CPU: 0 UID: 0 PID: 300 Comm: kworker/u11:3 Tainted: G W 6.18.0-rc3-next-20251031 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Workqueue: hci5 hci_rx_work
Call Trace:
dump_stack_lvl+0xfa/0x120
sysfs_warn_dup+0x80/0xa0
sysfs_create_dir_ns+0x23b/0x2a0
kobject_add_internal+0x24c/0x9a0
kobject_add+0x157/0x240
device_add+0x32d/0x1830
hci_conn_add_sysfs+0x117/0x1c0
le_conn_complete_evt+0x124b/0x1f60
hci_le_enh_conn_complete_evt+0x22f/0x2e0
hci_le_meta_evt+0x34b/0x530
hci_event_packet+0x66c/0x10e0
hci_rx_work+0x96c/0x1270
process_one_work+0x8e1/0x19c0
worker_thread+0x67e/0xe90
kthread+0x3c8/0x740
ret_from_fork+0x38b/0x470
ret_from_fork_asm+0x1a/0x30
debugfs: '0' already exists in 'hci3'
sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci3/hci3:0'
kobject: kobject_add_internal failed for hci5:0 with -EEXIST, don't try to register things with the same name in the same directory.
CPU: 1 UID: 0 PID: 6248 Comm: kworker/u11:2 Tainted: G W 6.18.0-rc3-next-20251031 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Workqueue: hci3 hci_rx_work
Call Trace:
dump_stack_lvl+0xfa/0x120
sysfs_warn_dup+0x80/0xa0
sysfs_create_dir_ns+0x23b/0x2a0
kobject_add_internal+0x24c/0x9a0
kobject_add+0x157/0x240
device_add+0x32d/0x1830
hci_conn_add_sysfs+0x117/0x1c0
le_conn_complete_evt+0x124b/0x1f60
hci_le_enh_conn_complete_evt+0x22f/0x2e0
hci_le_meta_evt+0x34b/0x530
hci_event_packet+0x66c/0x10e0
hci_rx_work+0x96c/0x1270
process_one_work+0x8e1/0x19c0
worker_thread+0x67e/0xe90
kthread+0x3c8/0x740
ret_from_fork+0x38b/0x470
ret_from_fork_asm+0x1a/0x30
kobject: kobject_add_internal failed for hci3:0 with -EEXIST, don't try to register things with the same name in the same directory.
Bluetooth: hci5: failed to register connection device
Bluetooth: hci3: failed to register connection device
debugfs: '0' already exists in 'hci5'
sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci5/hci5:0'
CPU: 0 UID: 0 PID: 300 Comm: kworker/u11:3 Tainted: G W 6.18.0-rc3-next-20251031 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Workqueue: hci5 hci_rx_work
Call Trace:
dump_stack_lvl+0xfa/0x120
sysfs_warn_dup+0x80/0xa0
sysfs_create_dir_ns+0x23b/0x2a0
kobject_add_internal+0x24c/0x9a0
kobject_add+0x157/0x240
device_add+0x32d/0x1830
hci_conn_add_sysfs+0x117/0x1c0
le_conn_complete_evt+0x124b/0x1f60
hci_le_enh_conn_complete_evt+0x22f/0x2e0
hci_le_meta_evt+0x34b/0x530
hci_event_packet+0x66c/0x10e0
hci_rx_work+0x96c/0x1270
process_one_work+0x8e1/0x19c0
worker_thread+0x67e/0xe90
kthread+0x3c8/0x740
ret_from_fork+0x38b/0x470
ret_from_fork_asm+0x1a/0x30
kobject: kobject_add_internal failed for hci5:0 with -EEXIST, don't try to register things with the same name in the same directory.
Bluetooth: hci5: failed to register connection device
Bluetooth: hci5: command 0x0406 tx timeout
Bluetooth: hci2: command 0x0406 tx timeout