Hi, I tested the 5.13.0-rc3-next-20210528 kernel from kernel.org and there is this warning at boot. My usb devices work fine. [ 3.142879] ------------[ cut here ]------------ [ 3.142881] usb 1-1: BOGUS control dir, pipe 80000280 doesn't match bRequestType c0 [ 3.142896] WARNING: CPU: 11 PID: 1444 at drivers/usb/core/urb.c:410 usb_submit_urb+0x60e/0x650 [ 3.142904] Modules linked in: dvb_usb_rtl28xxu(+) videobuf2_vmalloc videobuf2_memops dvb_usb_v2 videobuf2_v4l2 videobuf2_common dvb_core videodev input_leds snd_seq_midi snd_seq_midi_event snd_usb_audio snd_hwdep snd_usbmidi_lib snd_rawmidi mc iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_filter bluetooth ecdh_generic ecc amdgpu snd_hda_codec_realtek kvm_amd snd_hda_codec_generic snd_hda_codec_hdmi kvm snd_hda_intel snd_intel_dspcfg snd_hda_codec irqbypass mfd_core iommu_v2 gpu_sched snd_hda_core snd_pcm k10temp acpi_cpufreq processor efivarfs ip_tables x_tables ipv6 efivars i2c_piix4 r8169 realtek xhci_pci nvme xhci_hcd nvme_core [ 3.142924] CPU: 11 PID: 1444 Comm: systemd-udevd Tainted: G W 5.13.0-rc3-next-20210528 #1 [ 3.142926] Hardware name: System manufacturer System Product Name/PRIME B450M-K, BIOS 3002 03/11/2021 [ 3.142927] RIP: 0010:usb_submit_urb+0x60e/0x650 [ 3.142930] Code: 89 44 24 10 89 4c 24 08 e8 2f a5 f4 ff 44 8b 44 24 10 8b 4c 24 08 48 c7 c7 a0 36 07 82 48 8b 54 24 18 48 89 c6 e8 d4 15 1d 00 <0f> 0b 8b 45 5c 25 ff fd 80 ff 45 85 f6 0f 85 36 ff ff ff 80 cc 02 [ 3.142932] RSP: 0018:ffff888104807ac0 EFLAGS: 00010282 [ 3.142935] RAX: 0000000000000047 RBX: 0000000000000000 RCX: 0000000000000000 [ 3.142936] RDX: ffff88841eade380 RSI: ffff88841ead7510 RDI: ffff88841ead7510 [ 3.142937] RBP: ffff888117043d80 R08: ffffffff82305068 R09: 0000000000009ffb [ 3.142938] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: ffff888102265000 [ 3.142938] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888102265058 [ 3.142939] FS: 00007f24b42f58c0(0000) GS:ffff88841eac0000(0000) knlGS:0000000000000000 [ 3.142941] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3.142942] CR2: 000055b6d7d7c040 CR3: 0000000105fe3000 CR4: 00000000003506e0 [ 3.142943] Call Trace: [ 3.142945] usb_start_wait_urb+0x50/0xd0 [ 3.142947] usb_control_msg+0xbd/0x110 [ 3.142951] rtl28xxu_ctrl_msg+0x62/0x160 [dvb_usb_rtl28xxu] [ 3.142956] rtl28xxu_identify_state+0x32/0x70 [dvb_usb_rtl28xxu] [ 3.142960] dvb_usbv2_probe+0x10f/0x180 [dvb_usb_v2] [ 3.142963] ? pm_runtime_enable+0x16/0xb0 [ 3.142966] ? __pm_runtime_set_status+0x145/0x2a0 [ 3.142968] usb_probe_interface+0xd0/0x250 [ 3.142970] really_probe+0xe5/0x450 [ 3.142973] driver_probe_device+0x51/0xb0 [ 3.142975] device_driver_attach+0x9c/0xb0 [ 3.142976] __driver_attach+0x7c/0x110 [ 3.142978] ? device_driver_attach+0xb0/0xb0 [ 3.142979] bus_for_each_dev+0x5c/0x90 [ 3.142982] bus_add_driver+0x101/0x1b0 [ 3.142984] driver_register+0x86/0xd0 [ 3.142986] usb_register_driver+0x7f/0x120 [ 3.142987] ? 0xffffffffa0436000 [ 3.142989] do_one_initcall+0x34/0x140 [ 3.142992] ? __cond_resched+0x11/0x40 [ 3.142995] ? kmem_cache_alloc+0x35/0x150 [ 3.142999] do_init_module+0x51/0x230 [ 3.143001] __do_sys_finit_module+0x8f/0xc0 [ 3.143003] do_syscall_64+0x34/0x90 [ 3.143005] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 3.143007] RIP: 0033:0x7f24b47ae9b9 [ 3.143008] Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 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 a7 54 0c 00 f7 d8 64 89 01 48 [ 3.143009] RSP: 002b:00007ffed1ac02e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 3.143011] RAX: ffffffffffffffda RBX: 000055b6d7e8b070 RCX: 00007f24b47ae9b9 [ 3.143012] RDX: 0000000000000000 RSI: 00007f24b4939e2d RDI: 0000000000000010 [ 3.143013] RBP: 0000000000020000 R08: 0000000000000000 R09: 000055b6d7e770a0 [ 3.143013] R10: 0000000000000010 R11: 0000000000000246 R12: 00007f24b4939e2d [ 3.143014] R13: 0000000000000000 R14: 000055b6d7e8c070 R15: 000055b6d7e8b070 [ 3.143015] ---[ end trace 74ad8cc11087d2a8 ]---