I recently upgraded to Noble 24 from Jammy 22 and the Hauppauge quad PCI tuner drops out after about 1/2 hour or so.

I can bring it back online with this script I cobbled together from various sources on PCI issues, but it isn't a lot of good with a tv tuner set for automatic recording!

Code:
echo "1" > /sys/bus/pci/devices/0000:07:00.0/remove
    sleep 2
   	echo "1" > /sys/bus/pci/rescan
    	echo "2" > /sys/bus/pci/devices/0000:08:00.0/remove
    sleep 2
    	echo "2" > /sys/bus/pci/rescan
The system worked well for a couple of years on Jammy.

This is the result of a PCI scan:-
Code:
tony@linuxmint:~$ lspci
00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v6/7th Gen Core Processor Host Bridge/DRAM Registers (rev 05)
00:01.0 PCI bridge: Intel Corporation 6th-10th Gen Core Processor PCIe Controller (x16) (rev 05)
00:01.1 PCI bridge: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor PCIe Controller (x8) (rev 05)
00:14.0 USB controller: Intel Corporation 200 Series/Z370 Chipset Family USB 3.0 xHCI Controller
00:16.0 Communication controller: Intel Corporation 200 Series PCH CSME HECI #1
00:17.0 SATA controller: Intel Corporation 200 Series PCH SATA controller [AHCI mode]
00:1b.0 PCI bridge: Intel Corporation 200 Series PCH PCI Express Root Port #17 (rev f0)
00:1b.4 PCI bridge: Intel Corporation 200 Series PCH PCI Express Root Port #21 (rev f0)
00:1c.0 PCI bridge: Intel Corporation 200 Series PCH PCI Express Root Port #1 (rev f0)
00:1c.4 PCI bridge: Intel Corporation 200 Series PCH PCI Express Root Port #5 (rev f0)
00:1c.6 PCI bridge: Intel Corporation 200 Series PCH PCI Express Root Port #7 (rev f0)
00:1d.0 PCI bridge: Intel Corporation 200 Series PCH PCI Express Root Port #9 (rev f0)
00:1f.0 ISA bridge: Intel Corporation 200 Series PCH LPC Controller (Z270)
00:1f.2 Memory controller: Intel Corporation 200 Series/Z370 Chipset Family Power Management Controller
00:1f.3 Audio device: Intel Corporation 200 Series PCH HD Audio
00:1f.4 SMBus: Intel Corporation 200 Series/Z370 Chipset Family SMBus Controller
00:1f.6 Ethernet controller: Intel Corporation Ethernet Connection (2) I219-V
01:00.0 VGA compatible controller: NVIDIA Corporation TU116 [GeForce GTX 1660] (rev a1)
01:00.1 Audio device: NVIDIA Corporation TU116 High Definition Audio Controller (rev a1)
01:00.2 USB controller: NVIDIA Corporation TU116 USB 3.1 Host Controller (rev a1)
01:00.3 Serial bus controller: NVIDIA Corporation TU116 USB Type-C UCSI Controller (rev a1)
02:00.0 Non-Volatile memory controller: SK hynix PC401 NVMe Solid State Drive 256GB
03:00.0 Non-Volatile memory controller: Micron/Crucial Technology P2 [Nick P2] / P3 / P3 Plus NVMe PCIe SSD (DRAM-less) (rev 01)
04:00.0 Non-Volatile memory controller: Phison Electronics Corporation E12 NVMe Controller (rev 01)
05:00.0 PCI bridge: Pericom Semiconductor PI7C9X2G304 EL/SL PCIe2 3-Port/4-Lane Packet Switch (rev 05)
06:01.0 PCI bridge: Pericom Semiconductor PI7C9X2G304 EL/SL PCIe2 3-Port/4-Lane Packet Switch (rev 05)
06:02.0 PCI bridge: Pericom Semiconductor PI7C9X2G304 EL/SL PCIe2 3-Port/4-Lane Packet Switch (rev 05)
07:00.0 Multimedia video controller: Conexant Systems, Inc. CX23887/8 PCIe Broadcast Audio and Video Decoder with 3D Comb (rev 04)
08:00.0 Multimedia video controller: Conexant Systems, Inc. CX23887/8 PCIe Broadcast Audio and Video Decoder with 3D Comb (rev 04)
09:00.0 USB controller: ASMedia Technology Inc. ASM2142/ASM3142 USB 3.1 Host Controller
0a:00.0 USB controller: ASMedia Technology Inc. ASM2142/ASM3142 USB 3.1 Host Controller
0b:00.0 Non-Volatile memory controller: Micron/Crucial Technology P2 [Nick P2] / P3 / P3 Plus NVMe PCIe SSD (DRAM-less) (rev 01)
tony@linuxmint:~$
Hardware: Asus STRIX Z270E GAMING v: Rev 1.xx serial: 170706774500147 Mobo.
Bios UEFI: American Megatrends v: 1302 date: 03/15/2018
CPU Intel I7, 16gb ram
GPU Nvidia GTX1660
Hauppauge Quad Win-tv model 01607 as here:https://www.hauppauge.co.uk/site/pro...ta_quadhd.html

I know the system is getting a bit old, but it has worked well until Noble Nutter 24 (sorry can't remember the exact name of it)

Any suggestions very welcome.

Tony.