Public bug reported:
When the Digidesign MBox2 Mini is attached to a USB port, an error is
thrown as shown below.
Sep 19 17:24:44 OptiPlex-960 kernel: ------------[ cut here ]------------
Sep 19 17:24:44 OptiPlex-960 kernel: usb 7-2: BOGUS control dir, pipe 80000280
doesn't match bRequestType 22
Sep 19 17:24:44 OptiPlex-960 kernel: WARNING: CPU: 3 PID: 3100 at
drivers/usb/core/urb.c:411 usb_submit_urb+0x55a/0x660
Sep 19 17:24:44 OptiPlex-960 kernel: Modules linked in: snd_usb_audio(+)
snd_usbmidi_lib snd_ump mc tls snd_seq_dummy snd_hrtimer ccm qrtr binfmt_misc
rtw88_8822bu rtw88_usb rtw88_8822b rtw88_core mac80211 snd_hda_codec_analog
cfg80211 snd_hda_codec_generic libarc4 at24 snd_hda_intel gpio_ich i915
snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec snd_hda_core snd_hwdep
snd_pcm input_leds drm_buddy ttm snd_seq_midi drm_display_helper
snd_seq_midi_event coretemp cec snd_rawmidi snd_seq kvm_intel rc_core
i2c_algo_bit snd_seq_device dell_wmi snd_timer video kvm irqbypass
ledtrig_audio snd sparse_keymap serio_raw i2c_i801 i2c_smbus dell_smbios
lpc_ich soundcore dcdbas dell_wmi_descriptor wmi_bmof mac_hid sch_fq_codel cuse
msr parport_pc ppdev lp parport efi_pstore nfnetlink dmi_sysfs ip_tables
x_tables autofs4 hid_generic uas usbhid sha256_ssse3 hid sha1_ssse3 usb_storage
psmouse e1000e pata_acpi wmi floppy crypto_simd cryptd
Sep 19 17:24:44 OptiPlex-960 kernel: CPU: 3 PID: 3100 Comm: (udev-worker) Not
tainted 6.8.0-138-lowlatency #138.1-Ubuntu
Sep 19 17:24:44 OptiPlex-960 kernel: Hardware name: Dell Inc. OptiPlex 960
/0Y958C, BIOS A18 08/06/2013
Sep 19 17:24:44 OptiPlex-960 kernel: RIP: 0010:usb_submit_urb+0x55a/0x660
Sep 19 17:24:44 OptiPlex-960 kernel: Code: 4c 89 5d b8 89 4d c0 44 89 45 d0 e8
90 57 e4 ff 44 8b 45 d0 8b 4d c0 48 c7 c7 10 79 b1 a9 48 8b 55 b0 48 89 c6 e8
86 2e 3a ff <0f> 0b 4c 8b 5d b8 e9 4c fd ff ff 3d ff 00 00 00 0f 8f e5 fd ff ff
Sep 19 17:24:44 OptiPlex-960 kernel: RSP: 0018:ffffd308c1e87580 EFLAGS: 00010246
Sep 19 17:24:44 OptiPlex-960 kernel: RAX: 0000000000000000 RBX:
0000000000000001 RCX: 0000000000000000
Sep 19 17:24:44 OptiPlex-960 kernel: RDX: 0000000000000000 RSI:
0000000000000000 RDI: 0000000000000000
Sep 19 17:24:44 OptiPlex-960 kernel: RBP: ffffd308c1e875d0 R08:
0000000000000000 R09: 0000000000000000
Sep 19 17:24:44 OptiPlex-960 kernel: R10: 0000000000000000 R11:
0000000000000000 R12: ffff8ec84b608000
Sep 19 17:24:44 OptiPlex-960 kernel: R13: ffff8ec85f879840 R14:
ffff8ec840ad3f28 R15: 0000000000000000
Sep 19 17:24:44 OptiPlex-960 kernel: FS: 000079164a0378c0(0000)
GS:ffff8ec96ff80000(0000) knlGS:0000000000000000
Sep 19 17:24:44 OptiPlex-960 kernel: CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
Sep 19 17:24:44 OptiPlex-960 kernel: CR2: 0000643c01cc2010 CR3:
000000014de66000 CR4: 00000000000406f0
Sep 19 17:24:44 OptiPlex-960 kernel: Call Trace:
Sep 19 17:24:44 OptiPlex-960 kernel: <TASK>
Sep 19 17:24:44 OptiPlex-960 kernel: usb_start_wait_urb+0x92/0x1f0
Sep 19 17:24:44 OptiPlex-960 kernel: usb_control_msg+0x119/0x190
Sep 19 17:24:44 OptiPlex-960 kernel: snd_usb_ctl_msg+0x9f/0x170 [snd_usb_audio]
Sep 19 17:24:44 OptiPlex-960 kernel: snd_usb_mbox2_boot_quirk+0x1e0/0x410
[snd_usb_audio]
Sep 19 17:24:44 OptiPlex-960 kernel: snd_usb_apply_boot_quirk+0x42d/0x650
[snd_usb_audio]
Sep 19 17:24:44 OptiPlex-960 kernel: ? up_write+0x4f/0x60
Sep 19 17:24:44 OptiPlex-960 kernel: usb_audio_probe+0x147/0x8a0
[snd_usb_audio]
Sep 19 17:24:44 OptiPlex-960 kernel: ? _raw_spin_lock_irqsave+0xe/0x20
Sep 19 17:24:44 OptiPlex-960 kernel: ? pm_runtime_enable+0x51/0xd0
Sep 19 17:24:44 OptiPlex-960 kernel: ? __pfx_read_tsc+0x10/0x10
Sep 19 17:24:44 OptiPlex-960 kernel: usb_probe_interface+0xee/0x300
Sep 19 17:24:44 OptiPlex-960 kernel: really_probe+0x1c7/0x410
Sep 19 17:24:44 OptiPlex-960 kernel: __driver_probe_device+0x9f/0x1d0
Sep 19 17:24:44 OptiPlex-960 kernel: driver_probe_device+0x24/0xd0
Sep 19 17:24:44 OptiPlex-960 kernel: __driver_attach+0x10b/0x210
Sep 19 17:24:44 OptiPlex-960 kernel: ? __pfx___driver_attach+0x10/0x10
Sep 19 17:24:44 OptiPlex-960 kernel: bus_for_each_dev+0x8d/0xf0
Sep 19 17:24:44 OptiPlex-960 kernel: driver_attach+0x1e/0x30
Sep 19 17:24:44 OptiPlex-960 kernel: bus_add_driver+0x14e/0x290
Sep 19 17:24:44 OptiPlex-960 kernel: driver_register+0x5e/0x130
Sep 19 17:24:44 OptiPlex-960 kernel: usb_register_driver+0x83/0x170
Sep 19 17:24:44 OptiPlex-960 kernel: ? __pfx_usb_audio_driver_init+0x10/0x10
[snd_usb_audio]
Sep 19 17:24:44 OptiPlex-960 kernel: usb_audio_driver_init+0x23/0xff0
[snd_usb_audio]
Sep 19 17:24:44 OptiPlex-960 kernel: do_one_initcall+0x5e/0x340
Sep 19 17:24:44 OptiPlex-960 kernel: do_init_module+0x97/0x290
Sep 19 17:24:44 OptiPlex-960 kernel: load_module+0xb5f/0xca0
Sep 19 17:24:44 OptiPlex-960 kernel: init_module_from_file+0x96/0x100
Sep 19 17:24:44 OptiPlex-960 kernel: ? init_module_from_file+0x96/0x100
Sep 19 17:24:44 OptiPlex-960 kernel: idempotent_init_module+0x11c/0x310
Sep 19 17:24:44 OptiPlex-960 kernel: __x64_sys_finit_module+0x64/0xd0
Sep 19 17:24:44 OptiPlex-960 kernel: x64_sys_call+0x2019/0x25a0
Sep 19 17:24:44 OptiPlex-960 kernel: do_syscall_64+0x87/0x180
Sep 19 17:24:44 OptiPlex-960 kernel: ?
arch_exit_to_user_mode_prepare.isra.0+0x1a/0xe0
Sep 19 17:24:44 OptiPlex-960 kernel: ? syscall_exit_to_user_mode+0x43/0x1e0
Sep 19 17:24:44 OptiPlex-960 kernel: ? do_syscall_64+0x94/0x180
Sep 19 17:24:44 OptiPlex-960 kernel: ? wakeup_preempt+0x6b/0x80
Sep 19 17:24:44 OptiPlex-960 kernel: ? ttwu_do_activate+0x70/0x270
Sep 19 17:24:44 OptiPlex-960 kernel: ? sched_ttwu_pending+0x11e/0x1c0
Sep 19 17:24:44 OptiPlex-960 kernel: ?
__flush_smp_call_function_queue+0x143/0x440
Sep 19 17:24:44 OptiPlex-960 kernel: ?
arch_exit_to_user_mode_prepare.isra.0+0x1a/0xe0
Sep 19 17:24:44 OptiPlex-960 kernel: ? irqentry_exit_to_user_mode+0x38/0x1e0
Sep 19 17:24:44 OptiPlex-960 kernel: ? irqentry_exit+0x43/0x50
Sep 19 17:24:44 OptiPlex-960 kernel: entry_SYSCALL_64_after_hwframe+0x78/0x80
Sep 19 17:24:44 OptiPlex-960 kernel: RIP: 0033:0x791649f2752d
Sep 19 17:24:44 OptiPlex-960 kernel: Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00
90 f3 0f 1e fa 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 bb c8 0d 00 f7 d8 64 89 01 48
Sep 19 17:24:44 OptiPlex-960 kernel: RSP: 002b:00007fff2b6eda78 EFLAGS:
00000246 ORIG_RAX: 0000000000000139
Sep 19 17:24:44 OptiPlex-960 kernel: RAX: ffffffffffffffda RBX:
000057ceef0611a0 RCX: 0000791649f2752d
Sep 19 17:24:44 OptiPlex-960 kernel: RDX: 0000000000000004 RSI:
000057ceef064d60 RDI: 0000000000000017
Sep 19 17:24:44 OptiPlex-960 kernel: RBP: 00007fff2b6edb30 R08:
0000000000000040 R09: 00007fff2b6edac0
Sep 19 17:24:44 OptiPlex-960 kernel: R10: 000079164a004b20 R11:
0000000000000246 R12: 000057ceef064d60
Sep 19 17:24:44 OptiPlex-960 kernel: R13: 0000000000020000 R14:
000057ceef03a960 R15: 000057ceef149d90
Sep 19 17:24:44 OptiPlex-960 kernel: </TASK>
Sep 19 17:24:44 OptiPlex-960 kernel: ---[ end trace 0000000000000000 ]---
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: linux-image-6.8.0-138-lowlatency 6.8.0-138.138.1
ProcVersionSignature: Ubuntu 6.8.0-138.138.1-lowlatency 6.8.12
Uname: Linux 6.8.0-138-lowlatency x86_64
ApportVersion: 2.28.3-0ubuntu0.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: frank 6613 F.... wireplumber
/dev/snd/controlC0: frank 6613 F.... wireplumber
/dev/snd/seq: frank 6610 F.... pipewire
CRDA: N/A
CasperMD5CheckResult: pass
CurrentDesktop: KDE
Date: Sat Sep 19 17:42:28 2026
InstallationDate: Installed on 2026-09-16 (3 days ago)
InstallationMedia: Ubuntu-Studio 24.04.4 LTS "Noble Numbat" - Release amd64
(20260210)
MachineType: Dell Inc. OptiPlex 960
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-6.8.0-138-lowlatency
root=/dev/mapper/ubuntu--vg-ubuntu--lv ro quiet splash usbcore.autosuspend=-1
usbcore.initial_descriptor_timeout=30 xhci_hcd.quirks=0x2000 preempt=full
rcu_nocbs=all threadirqs vt.handoff=7
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-6.8.0-138-lowlatency N/A
linux-backports-modules-6.8.0-138-lowlatency N/A
linux-firmware 20240318.git3b128b60.0ubuntu3.1
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux-lowlatency
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/06/2013
dmi.bios.release: 18.0
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A18
dmi.board.name: 0Y958C
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 6
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA18:bd08/06/2013:br18.0:svnDellInc.:pnOptiPlex960:pvr:rvnDellInc.:rn0Y958C:rvrA00:cvnDellInc.:ct6:cvr:sku:
dmi.product.name: OptiPlex 960
dmi.sys.vendor: Dell Inc.
** Affects: linux-lowlatency (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug noble
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https://bugs.launchpad.net/bugs/2167780
Title:
MBox 2 Mini BOGUS control dir, pipe 80000280 doesn't match
bRequestType 22
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