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#1 2026-09-15 22:27:28

hedwyn
Member
Registered: 2026-08-27
Posts: 20

Help Capture Card not detected by Blackmagic Desktop Video setup

I'm trying to install Blackmagic Desktop Video so I can get my Intensity capture card but I'm having some issues.

As far as I can tell, I'm using the correct version of the packet (the one contained in the desktopvideo-16.4a1-x86_64 folder), but when I launch the setup I just get a message saying "No Desktop Video Device Detected. Please check that your product is connected via Thunderbolt, USB3, or PCIe and is powered on".

When I use lspci in terminal, I see 05:00.0 Multimedia video controller: Blackmagic Design Intensity Pro 4K listed, so the card does seem to be connected properly and is detected by the system, just not the software setup.

I found this thread with the same issue that suggested a solution of adding ibt=off to the kernel parameter, which solved the issue in that case but doesn't seem to have done so for me.

Not certain what other info might be needed to help here but I'm of course using Arch, with kernel 6.18.51-1-lts.


Quick edit:
It ocurred to me I should test if the inclusion of ibt=off had worked properly and typing

zcat /proc/config | grep IBT

into terminal results in this

CONFIG_CC_HAS_IBT=y
CONFIG_X86_KERNEL_IBT=y
CONFIG_BT_HCIBTUSB=m
CONFIG_BT_HCIBTUSB_AUTOSUSPEND=y
CONFIG_BT_HCIBTUSB_POLL_SYNC=y
CONFIG_BT_HCIBTUSB_BCM=y
CONFIG_BT_HCIBTUSB_MTK=y
CONFIG_BT_HCIBTUSB_RTL=y
CONFIG_BT_HCIBTSDIO=m
CONFIG_BT_HCIBT3C=m

So it would appear that it didn't work, and that may be the source of the problem, though I'm not also uncertain how to fix that if it is indeed the problem.

Last edited by hedwyn (2026-09-15 22:31:09)

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#2 Yesterday 00:15:51

chrislleyalves
Member
From: Brazil
Registered: 2026-09-15
Posts: 4
Website

Re: Help Capture Card not detected by Blackmagic Desktop Video setup

Some devices can't be detected by non-root users due to the linux permission. Add you user to the "render" and "video" group and try again.

archlinux # gpasswd -a <username> video
archlinux # gpasswd -a <username> render

You may need to create a udev rules file for your video card device can be detected by normal user. Follow this link for more information: https://wiki.archlinux.org/title/Udev

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#3 Yesterday 04:28:40

loqs
Member
Registered: 2014-03-06
Posts: 19,077

Re: Help Capture Card not detected by Blackmagic Desktop Video setup

hedwyn wrote:

When I use lspci in terminal, I see 05:00.0 Multimedia video controller: Blackmagic Design Intensity Pro 4K listed, so the card does seem to be connected properly and is detected by the system, just not the software setup.

Please post the output of `lspci -nnk` for the device as that will show related kernel modules and if one is in use for the device.

Last edited by loqs (Yesterday 04:29:33)

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#4 Yesterday 10:35:20

hedwyn
Member
Registered: 2026-08-27
Posts: 20

Re: Help Capture Card not detected by Blackmagic Desktop Video setup

chrislleyalves wrote:

Some devices can't be detected by non-root users due to the linux permission. Add you user to the "render" and "video" group and try again.

archlinux # gpasswd -a <username> video
archlinux # gpasswd -a <username> render

You may need to create a udev rules file for your video card device can be detected by normal user. Follow this link for more information: https://wiki.archlinux.org/title/Udev

Adding the passwords doesn't seem to have helped any, I'm still working on the udev rules, it's taking a bit of learning to get my head around that one.

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#5 Yesterday 10:39:40

hedwyn
Member
Registered: 2026-08-27
Posts: 20

Re: Help Capture Card not detected by Blackmagic Desktop Video setup

loqs wrote:
hedwyn wrote:

When I use lspci in terminal, I see 05:00.0 Multimedia video controller: Blackmagic Design Intensity Pro 4K listed, so the card does seem to be connected properly and is detected by the system, just not the software setup.

Please post the output of `lspci -nnk` for the device as that will show related kernel modules and if one is in use for the device.

I used

◄ 0s ◎ lspci -nnk | grep -i blackmagic

and got this result!

05:00.0 Multimedia video controller [0400]: Blackmagic Design Intensity Pro 4K [bdbd:a139]
	Subsystem: Blackmagic Design Intensity Pro 4K [bdbd:a139]

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#6 Yesterday 11:47:08

Lone_Wolf
Administrator
From: Netherlands, Europe
Registered: 2005-10-04
Posts: 15,411

Re: Help Capture Card not detected by Blackmagic Desktop Video setup

That doesn't tell us what kernel module is used for the device.

Please post the full output of

$ lspci -nnk

Disliking systemd intensely, but not satisfied with alternatives so focusing on taming systemd.

clean chroot building not flexible enough ?
Try clean chroot manager by graysky

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#7 Yesterday 12:09:02

hedwyn
Member
Registered: 2026-08-27
Posts: 20

Re: Help Capture Card not detected by Blackmagic Desktop Video setup

Lone_Wolf wrote:

That doesn't tell us what kernel module is used for the device.

Please post the full output of

$ lspci -nnk

ah, sorry!

◄ 0s ◎ lspci -nnk                                                              ⌂ 13:07
00:00.0 Host bridge [0600]: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Host Bridge/DRAM Registers [8086:191f] (rev 07)
	Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:7971]
	Kernel driver in use: skl_uncore
	Kernel modules: ie31200_edac
00:01.0 PCI bridge [0604]: Intel Corporation 6th-10th Gen Core Processor PCIe Controller (x16) [8086:1901] (rev 07)
	Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:7971]
	Kernel driver in use: pcieport
	Kernel modules: shpchp
00:08.0 System peripheral [0880]: Intel Corporation Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th/8th Gen Core Processor Gaussian Mixture Model [8086:1911]
	Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:7971]
00:14.0 USB controller [0c03]: Intel Corporation 100/C230 Series Chipset Family USB 3.0 xHCI Controller [8086:a12f] (rev 31)
	Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:7971]
	Kernel driver in use: xhci_hcd
	Kernel modules: xhci_pci
00:14.2 Signal processing controller [1180]: Intel Corporation 100/C230 Series Chipset Family Thermal Subsystem [8086:a131] (rev 31)
	Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:7971]
	Kernel driver in use: intel_pch_thermal
	Kernel modules: intel_pch_thermal
00:15.0 Signal processing controller [1180]: Intel Corporation 100/C230 Series Chipset Family I2C #0 [8086:a160] (rev 31)
	Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:7971]
	Kernel driver in use: intel-lpss
	Kernel modules: intel_lpss_pci
00:15.1 Signal processing controller [1180]: Intel Corporation 100/C230 Series Chipset Family I2C #1 [8086:a161] (rev 31)
	Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:7971]
	Kernel driver in use: intel-lpss
	Kernel modules: intel_lpss_pci
00:16.0 Communication controller [0780]: Intel Corporation 100/C230 Series Chipset Family MEI #1 [8086:a13a] (rev 31)
	Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:7971]
	Kernel driver in use: mei_me
	Kernel modules: mei_me
00:17.0 SATA controller [0106]: Intel Corporation Q170/Q150/B150/H170/H110/Z170/CM236 Chipset SATA Controller [AHCI Mode] [8086:a102] (rev 31)
	Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:7971]
	Kernel driver in use: ahci
	Kernel modules: ahci
00:1b.0 PCI bridge [0604]: Intel Corporation 100/C230 Series Chipset Family PCIe Root Port #17 [8086:a167] (rev f1)
	Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:7971]
	Kernel driver in use: pcieport
	Kernel modules: shpchp
00:1b.2 PCI bridge [0604]: Intel Corporation 100/C230 Series Chipset Family PCIe Root Port #19 [8086:a169] (rev f1)
	Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:7971]
	Kernel driver in use: pcieport
	Kernel modules: shpchp
00:1c.0 PCI bridge [0604]: Intel Corporation 100/C230 Series Chipset Family PCIe Root Port #1 [8086:a110] (rev f1)
	Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:7971]
	Kernel driver in use: pcieport
	Kernel modules: shpchp
00:1c.4 PCI bridge [0604]: Intel Corporation 100/C230 Series Chipset Family PCIe Root Port #5 [8086:a114] (rev f1)
	Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:7971]
	Kernel driver in use: pcieport
	Kernel modules: shpchp
00:1d.0 PCI bridge [0604]: Intel Corporation 100/C230 Series Chipset Family PCIe Root Port #9 [8086:a118] (rev f1)
	Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:7971]
	Kernel driver in use: pcieport
	Kernel modules: shpchp
00:1d.3 PCI bridge [0604]: Intel Corporation 100/C230 Series Chipset Family PCIe Root Port #12 [8086:a11b] (rev f1)
	Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:7971]
	Kernel driver in use: pcieport
	Kernel modules: shpchp
00:1e.0 Signal processing controller [1180]: Intel Corporation 100/C230 Series Chipset Family UART #0 [8086:a127] (rev 31)
	Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:7971]
	Kernel driver in use: intel-lpss
	Kernel modules: intel_lpss_pci
00:1f.0 ISA bridge [0601]: Intel Corporation Z170 Chipset LPC/eSPI Controller [8086:a145] (rev 31)
	Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:7971]
00:1f.2 Memory controller [0580]: Intel Corporation 100/C230 Series Chipset Family PMC [8086:a121] (rev 31)
	Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:7971]
00:1f.3 Audio device [0403]: Intel Corporation 100/C230 Series Chipset Family HD Audio [8086:a170] (rev 31)
	Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:f971]
	Kernel driver in use: snd_hda_intel
	Kernel modules: snd_soc_avs, snd_hda_intel
00:1f.4 SMBus [0c05]: Intel Corporation 100/C230 Series Chipset Family SMBus [8086:a123] (rev 31)
	Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:7971]
	Kernel driver in use: i801_smbus
	Kernel modules: i2c_i801
01:00.0 VGA compatible controller [0300]: NVIDIA Corporation AD106 [GeForce RTX 4060 Ti] [10de:2803] (rev a1)
	Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:5174]
	Kernel driver in use: nvidia
	Kernel modules: nouveau, nvidia_drm, nvidia
01:00.1 Audio device [0403]: NVIDIA Corporation AD106M High Definition Audio Controller [10de:22bd] (rev a1)
	Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:5174]
	Kernel driver in use: snd_hda_intel
	Kernel modules: snd_hda_intel
03:00.0 Network controller [0280]: Intel Corporation Wireless 8260 [8086:24f3] (rev 3a)
	Subsystem: Intel Corporation Dual Band Wireless-AC 8260 [8086:1010]
	Kernel driver in use: iwlwifi
	Kernel modules: iwlwifi
05:00.0 Multimedia video controller [0400]: Blackmagic Design Intensity Pro 4K [bdbd:a139]
	Subsystem: Blackmagic Design Intensity Pro 4K [bdbd:a139]
07:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8211/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 15)
	Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:7971]
	Kernel driver in use: r8169
	Kernel modules: r8169
                                                                                      
◄ 0s ◎

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#8 Yesterday 14:03:26

seth
Member
From: Won't reply 2 private help req
Registered: 2012-09-03
Posts: 77,825

Re: Help Capture Card not detected by Blackmagic Desktop Video setup

https://aur.archlinux.org/packages/decklink ?

dkms status

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