[Bug report] CX2388x based card - adapter0 lacking when resuming from S3 - "i2c i/o error" from kernel

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Hello,

Here is a report for a trouble observed with the Hauppauge WinTV-HVR-4000 cards. The trouble has been reproduced identically with two different HVR-4000 cards, slotted one by one in the same host.

I failed to find a similar trouble reported earlier in LMML archives.


1. What happens:

After having booted the HTPC (configuration detailed at the end), there is no problem to tune in DVB-S/S2 TV channels. /dev/dvb/adapter0/ is created.

After putting the host in suspend to ram state, then resuming it, it is not possible to tune to any DVB-S/S2 channels. /dev/dvb/adapter0/ does not exist any more. DVB-T has not been tested.

After the resume has occurred, the kernel sends to the log the following messages:

 tda9887 1-0043: i2c i/o error: rc == -6 (should be 4)
 tda9887 1-0043: i2c i/o error: rc == -6 (should be 4)
 tuner-simple 1-0061: i2c i/o error: rc == -6 (should be 4)

and later:

cx24116_firmware_ondemand: Waiting for firmware upload (dvb-fe-cx24116.fw)...
 cx24116_firmware_ondemand: Waiting for firmware upload(2)...
 cx24116_load_firmware: FW version 1.26.90.0
 cx24116_firmware_ondemand: Firmware upload complete
 cx88xx: cx88_print_irqbits: core:irq mpeg  [0x100000] ts_err?*
 cx8802: cx8802_mpeg_irq: mpeg:general errors: 0x00100000


2. How to reproduce:

2.1 Switching the power on and booting the OS
2.2 Waiting for the HTPC to launch
2.3 Waiting for the PVR to initialise in the background
2.4 Opening whatever previously scanned DVB-S/S2 TV channel
2.5 --> The chosen DVB stream plays on screen
2.6 Stopping the DVB stream
2.7 Quitting the HTPC application
2.6 Putting the host in standby mode (Suspend to Ram - S3),
2.6.1 : either from the desktop menu
2.6.2 : or by pressing the power button on the case
2.7 Waiting for the fans and lights to actually turn off
2.8 Resuming the host by pressing its power button
2.9 Launching the HTPC application
2.10 Opening the same or another previously scanned DVB-S/S2 TV channel
2.11 Waiting for the message "no DVB adapter available" from the PVR
2.12 --> No DVB stream plays, the screen is "black"
2.13 Looking at the logs


 - 3 - Environment:

OS: Linux Mint 19.1 x86 with kernel 4.15.0-58-generic 32-bit
Firmware dvb-fe-cx24116.fw version 1.26.90.0
PVR: TVHeadend 4.2.8-31
Player: Kodi 18.3


 - 4 - Additional information

I attach in post-scriptum:

 - a partial dmesg output, before and after going to S3
 - a few relevant messages added to syslog by tvheadend
 - output of lsmod
 - output of lspci -vnn

In case additional information may help (for instance, debug level logs), I may provide them. I just need guidance on how-to gather the required information.


Regards.


Frédéric.

--
Frédéric Dumas
f.dumas@xxxxxxxxxxxxxxxxx




dmesg output before suspending to ram



[   15.039468] cx88_audio 0000:00:13.1: enabling device (0014 -> 0016)
[ 15.039643] cx88xx: subsystem: 0070:6902, board: Hauppauge WinTV-HVR4000 DVB-S/S2/T/Hybrid [card=68,autodetected], frontend(s): 2 [ 15.176904] input: HDA NVidia HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:0e.0/0000:02:00.1/sound/card1/input5 [ 15.177139] input: HDA NVidia HDMI/DP,pcm=7 as /devices/pci0000:00/0000:00:0e.0/0000:02:00.1/sound/card1/input6 [ 15.177306] input: HDA NVidia HDMI/DP,pcm=8 as /devices/pci0000:00/0000:00:0e.0/0000:02:00.1/sound/card1/input7 [ 15.177468] input: HDA NVidia HDMI/DP,pcm=9 as /devices/pci0000:00/0000:00:0e.0/0000:02:00.1/sound/card1/input8 [ 15.375170] cx88xx: i2c init: enabling analog demod on HVR1300/3000/4000 tuner
[   16.145372] tda9887 1-0043: creating new instance
[   16.145376] tda9887 1-0043: tda988[5/6/7] found
[   16.146167] tuner: 1-0043: Tuner 74 found with type(s) Radio TV.
[   16.372573] tuner: 1-0061: Tuner -1 found with type(s) Radio TV.
[   16.410641] tveeprom: Hauppauge model 69009, rev B2D3, serial#<sanitized>
[   16.410644] tveeprom: MAC address is 00:0d:fe:32:95:9f
[ 16.410645] tveeprom: tuner model is Philips FMD1216MEX (idx 133, type 78) [ 16.410647] tveeprom: TV standards PAL(B/G) PAL(I) SECAM(L/L') PAL(D/D1/K) ATSC/DVB Digital (eeprom 0xf4)
[   16.410648] tveeprom: audio processor is CX882 (idx 33)
[   16.410649] tveeprom: decoder processor is CX882 (idx 25)
[   16.410651] tveeprom: has radio, has IR receiver, has no IR transmitter
[   16.410652] cx88xx: hauppauge eeprom: model=69009
[   18.004820] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[   18.024933] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[   19.502481] pcmcia_socket pcmcia_socket0: cs: IO port probe 0x100-0x3af:
[   19.503597]  excluding 0x170-0x177 0x1f0-0x1f7 0x290-0x297 0x370-0x377
[   19.514176] pcmcia_socket pcmcia_socket0: cs: IO port probe 0x3e0-0x4ff:
[   19.514562]  excluding 0x3f0-0x3ff 0x480-0x48f 0x4d0-0x4d7
[   19.522961] pcmcia_socket pcmcia_socket0: cs: IO port probe 0x820-0x8ff:
[   19.523610]  clean
[   19.523643] pcmcia_socket pcmcia_socket0: cs: IO port probe 0xc00-0xcf7:
[   19.544493]  clean
[ 19.544614] pcmcia_socket pcmcia_socket0: cs: memory probe 0x0c0000-0x0fffff:
[   19.544621]  excluding 0xc0000-0xcffff 0xe0000-0xfffff
[ 19.544666] pcmcia_socket pcmcia_socket0: cs: memory probe 0xa0000000-0xa0ffffff:
[   19.544684]  clean
[ 19.544715] pcmcia_socket pcmcia_socket0: cs: memory probe 0x60000000-0x60ffffff:
[   19.544727]  excluding 0x60000000-0x60ffffff
[   19.544761] pcmcia_socket pcmcia_socket0: cs: IO port probe 0xa00-0xaff:
[   19.570773]  clean
[ 19.570872] pcmcia_socket pcmcia_socket0: cs: memory probe 0xa0000000-0xa0ffffff:
[   19.590960]  clean
[   19.591248] pcmcia 0.0: pcmcia: registering new device pcmcia0.0 (IRQ: 3)
[   19.687857] tuner-simple 1-0061: creating new instance
[ 19.687862] tuner-simple 1-0061: type set to 78 (Philips FMD1216MEX MK3 Hybrid Tuner)
[   19.790219] lirc_dev: IR Remote Control driver registered, major 244
[   19.824929] IR LIRC bridge handler initialized
[   20.516097] Registered IR keymap rc-hauppauge
[   20.561427] IR RC5(x/sz) protocol handler initialized
[ 20.608225] rc rc0: cx88 IR (Hauppauge WinTV-HVR400 as /devices/pci0000:00/0000:00:13.1/rc/rc0 [ 20.608303] input: cx88 IR (Hauppauge WinTV-HVR400 as /devices/pci0000:00/0000:00:13.1/rc/rc0/input9 [ 20.612228] lirc lirc0: lirc_dev: driver ir-lirc-codec (cx88xx) registered at minor = 0 [ 20.612273] cx88_alsa: cx88[0]: alsa: CX88x/0: ALSA support for cx2388x boards
[   20.612861] cx8802: cx2388x 8802 Driver Manager
[ 20.612875] cx88-mpeg driver manager 0000:00:13.2: enabling device (0014 -> 0016) [ 20.613018] cx8802: found at 0000:00:13.2, rev: 5, irq: 18, latency: 32, mmio: 0xdd000000
[   20.616389] cx8800 0000:00:13.0: enabling device (0014 -> 0016)
[ 20.616523] cx8800: found at 0000:00:13.0, rev: 5, irq: 18, latency: 32, mmio: 0xdf000000
[   20.813677] cx88_dvb: cx2388x dvb driver version 1.0.0 loaded
[   20.813680] cx8802: registering cx8802 driver, type: dvb access: shared
[ 20.813683] cx8802: subsystem: 0070:6902, board: Hauppauge WinTV-HVR4000 DVB-S/S2/T/Hybrid [card=68]
[   20.813685] cx88_dvb: cx2388x based DVB/ATSC card
[   20.813686] cx88_dvb: cx8802_alloc_frontends: allocating 2 frontend(s)
[   20.832217] b44 ssb0:0 eth0: Link is up at 100 Mbps, full duplex
[   20.832220] b44 ssb0:0 eth0: Flow control is off for TX and off for RX
[   20.836271] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[   20.935292] wm8775 1-001b: chip found @ 0x36 (cx88[0])
[   21.001171] tuner-simple 1-0061: attaching existing instance
[ 21.001175] tuner-simple 1-0061: couldn't set type to 63. Using 78 (Philips FMD1216MEX MK3 Hybrid Tuner) instead
[   21.006858] nvidia_uvm: Loaded the UVM driver, major device number 243
[   21.016853] dvbdev: DVB: registering new adapter (cx88[0])
[ 21.016865] cx88-mpeg driver manager 0000:00:13.2: DVB: registering adapter 0 frontend 0 (Conexant CX24116/CX24118)... [ 21.020006] cx88-mpeg driver manager 0000:00:13.2: DVB: registering adapter 0 frontend 1 (Conexant CX22702 DVB-T)...
[   21.605645] cx8800: registered device video0 [v4l2]
[   21.605990] cx8800: registered device vbi0
[   21.606273] cx8800: registered device radio0
[ 21.870620] serial_cs 0.0: trying to set up [0x0157:0x0100] (pfc: 0, multi: 1, quirk: (null))
[   21.870660] serial_cs 0.0: speaker requested, but PRESENT_STATUS not set!
[ 22.218851] 0.0: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16450 [ 23.036831] resource sanity check: requesting [mem 0x000c0000-0x000fffff], which spans more than PCI Bus 0000:00 [mem 0x000d0000-0x000dffff window] [ 23.037147] caller os_map_kernel_space+0xc9/0x120 [nvidia] mapping multiple BARs [ 23.786503] cx24116_firmware_ondemand: Waiting for firmware upload (dvb-fe-cx24116.fw)...
[   23.794497] cx24116_firmware_ondemand: Waiting for firmware upload(2)...
[ 28.760620] clocksource: timekeeping watchdog on CPU0: Marking clocksource 'tsc' as unstable because the skew is too large: [ 28.760622] clocksource: 'acpi_pm' wd_now: 765036 wd_last: d42b71 mask: ffffff [ 28.760624] clocksource: 'tsc' cs_now: 1c4ee45970 cs_last: 1a303fd258 mask: ffffffffffffffff
[   28.760629] tsc: Marking TSC unstable due to clocksource watchdog
[ 28.763160] TSC found unstable after boot, most likely due to broken BIOS. Use 'tsc=unstable'. [ 28.763164] sched_clock: Marking unstable (28763151408, 5623)<-(28835973366, -72816256)
[   28.772110] clocksource: Switched to clocksource acpi_pm
[ 29.648442] NVRM: Your system is not currently configured to drive a VGA console [ 29.648446] NVRM: on the primary VGA device. The NVIDIA Linux graphics driver [ 29.648477] NVRM: requires the use of a text-mode VGA console. Use of other console [ 29.648478] NVRM: drivers including, but not limited to, vesafb, may result in [ 29.648479] NVRM: corruption and stability problems, and is not supported.
[   29.659525] cx24116_load_firmware: FW version 1.26.90.0
[   29.659539] cx24116_firmware_ondemand: Firmware upload complete
[ 29.880968] cx88-mpeg driver manager 0000:00:13.2: DVB: adapter 0 frontend 0 frequency 0 out of range (950000..2150000)
[   72.405614] random: crng init done
[   72.405619] random: 7 urandom warning(s) missed due to ratelimiting
[  110.361271] b44 ssb0:0 eth0: powering down PHY
[  110.469623] PM: suspend entry (deep)
[  110.469629] PM: Syncing filesystems ... done.
[ 112.361293] Freezing user space processes ... (elapsed 0.005 seconds) done.
[  112.366386] OOM killer disabled.
[ 112.366388] Freezing remaining freezable tasks ... (elapsed 0.634 seconds) done.
[  113.000835] Suspending console(s) (use no_console_suspend to debug)
[  113.003646] serial 00:06: disabled
[  113.041924] sd 2:0:0:0: [sdb] Synchronizing SCSI cache
[  113.044204] sd 0:0:0:0: [sda] Synchronizing SCSI cache
[  113.044395] sd 0:0:0:0: [sda] Stopping disk
[  115.360205] ACPI: Preparing to enter system sleep state S3
[  115.360742] PM: Saving platform NVS memory
[  115.360748] Disabling non-boot CPUs ...



dmesg output when resuming from S3



[  115.360748] ACPI: Low-level resume complete
[  115.360748] PM: Restoring platform NVS memory
[  115.360748] ACPI: Waking up from system sleep state S3
[  115.360748] pci 0000:00:02.0: Enabling SiS 96x SMBus
[  115.402391] nvidia 0000:02:00.0: Enabling HDA controller
[  116.294764] ata2: port disabled--ignoring
[  116.297085] rtc_cmos 00:05: Alarms can be up to one month in the future
[  116.298010] serial 00:06: activated
[  116.343372] sd 0:0:0:0: [sda] Starting disk
[  116.993996] tda9887 1-0043: i2c i/o error: rc == -6 (should be 4)
[  116.994743] tda9887 1-0043: i2c i/o error: rc == -6 (should be 4)
[  116.995483] tuner-simple 1-0061: i2c i/o error: rc == -6 (should be 4)
[  116.995506] serial_cs 0.0: speaker requested, but PRESENT_STATUS not set!
[  117.116028] usb 1-4: reset high-speed USB device number 3 using ehci-pci
[  117.180041] usb 2-1: reset full-speed USB device number 2 using ohci-pci
[  117.413212] OOM killer enabled.
[  117.413214] Restarting tasks ... done.
[  117.448372] PM: suspend exit
[ 117.856377] ata1.01: ACPI cmd ef/03:44:00:00:00:b0 (SET FEATURES) filtered out [ 117.856382] ata1.01: ACPI cmd ef/03:0c:00:00:00:b0 (SET FEATURES) filtered out [ 117.856739] ata1.00: ACPI cmd ef/03:46:00:00:00:a0 (SET FEATURES) filtered out [ 117.856742] ata1.00: ACPI cmd ef/03:0c:00:00:00:a0 (SET FEATURES) filtered out
[  117.863803] ata1.00: configured for UDMA/133
[  117.904041] ata1.01: configured for UDMA/66
[  117.918798] ata1.00: Enabling discard_zeroes_data
[  117.940247] ata1.00: Enabling discard_zeroes_data
[  118.200432] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[  118.220939] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[  121.824183] b44 ssb0:0 eth0: Link is up at 100 Mbps, full duplex
[  121.824187] b44 ssb0:0 eth0: Flow control is off for TX and off for RX
[  121.824370] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 219.439091] cx24116_firmware_ondemand: Waiting for firmware upload (dvb-fe-cx24116.fw)...
[  219.439220] cx24116_firmware_ondemand: Waiting for firmware upload(2)...
[  224.455452] cx24116_load_firmware: FW version 1.26.90.0
[  224.455479] cx24116_firmware_ondemand: Firmware upload complete
[ 225.193814] cx88xx: cx88_print_irqbits: core:irq mpeg [0x100000] ts_err?*
[  225.193826] cx8802: cx8802_mpeg_irq: mpeg:general errors: 0x00100000



Tvheadend messages after resuming from S3:



Aug 23 08:36:29 localhost tvheadend[917]: START: HTS Tvheadend version 4.2.8-31~g0a60f73ee started, running as PID:917 UID:122 GID:44, CWD:/ CNF:/home/hts/.hts/tvheadend Aug 23 08:36:29 localhost tvheadend[917]: htsp: Got connection from 127.0.0.1 Aug 23 08:36:29 localhost tvheadend[917]: htsp: 127.0.0.1: Welcomed client software: Kodi Media Center (HTSPv34) Aug 23 08:36:29 localhost tvheadend[917]: htsp: 127.0.0.1 [ Kodi Media Center ]: Disconnected Aug 23 08:36:29 localhost tvheadend[917]: htsp: Got connection from 127.0.0.1 Aug 23 08:36:29 localhost tvheadend[917]: htsp: 127.0.0.1: Welcomed client software: Kodi Media Center (HTSPv34) Aug 23 08:36:29 localhost tvheadend[917]: htsp: 127.0.0.1 [ Kodi Media Center ]: Disconnected Aug 23 08:36:30 localhost tvheadend[917]: avahi: Service 'Tvheadend' successfully established. Aug 23 08:36:41 localhost tvheadend[917]: htsp: Got connection from 127.0.0.1 Aug 23 08:36:41 localhost tvheadend[917]: htsp: 127.0.0.1: Welcomed client software: Kodi Media Center (HTSPv34) Aug 23 08:36:41 localhost tvheadend[917]: htsp: 127.0.0.1 [ Kodi Media Center ]: Identified as user 'hts' Aug 23 08:36:41 localhost tvheadend[917]: htsp: 127.0.0.1 [ hts | Kodi Media Center ]: Privileges updated Aug 23 08:36:44 localhost tvheadend[917]: mpegts: 11526H in DVB-S - Hot Bird 13E - tuning on Conexant CX24116/CX24118 #0 : DVB-S #0
Aug 23 08:36:44 localhost tvheadend[917]: diseqc: failed to disable tone
Aug 23 08:36:44 localhost tvheadend[917]: mpegts: 11538V in DVB-S - Astra 19.2E - tuning on Conexant CX24116/CX24118 #0 : DVB-S #0
Aug 23 08:36:45 localhost tvheadend[917]: diseqc: failed to disable tone
Aug 23 08:36:53 localhost tvheadend[917]: mpegts: 12207V in DVB-S - Astra 19.2E - tuning on Conexant CX24116/CX24118 #0 : DVB-S #0
Aug 23 08:36:54 localhost tvheadend[917]: diseqc: failed to disable tone
Aug 23 08:36:57 localhost tvheadend[917]: subscription: 0003: No input source available for subscription "127.0.0.1 [ hts | Kodi Media Center ]" to channel "LCI" Aug 23 08:37:07 localhost tvheadend[917]: message repeated 5 times: [ subscription: 0003: No input source available for subscription "127.0.0.1 [ hts | Kodi Media Center ]" to channel "LCI"] Aug 23 08:37:08 localhost tvheadend[917]: subscription: 0003: "127.0.0.1 [ hts | Kodi Media Center ]" unsubscribing from "LCI", hostname="127.0.0.1", username="hts", client="Kodi Media Center" Aug 23 08:37:10 localhost tvheadend[917]: htsp: 127.0.0.1 [ hts | Kodi Media Center ]: Disconnected Aug 23 08:37:50 localhost tvheadend[917]: mpegts: 11538V in DVB-S - Astra 19.2E - tuning on Conexant CX24116/CX24118 #0 : DVB-S #0
Aug 23 08:37:50 localhost tvheadend[917]: diseqc: failed to disable tone
Aug 23 08:37:50 localhost tvheadend[917]: mpegts: 11526H in DVB-S - Hot Bird 13E - tuning on Conexant CX24116/CX24118 #0 : DVB-S #0 Aug 23 08:37:56 localhost tvheadend[917]: subscription: 0005: "epggrab" subscribing to mux "11526H", weight: 4, adapter: "Conexant CX24116/CX24118 #0 : DVB-S #0", network: "DVB-S - Hot Bird 13E", service: "Raw PID Subscription" Aug 23 08:37:57 localhost tvheadend[917]: linuxdvb: Conexant CX24116/CX24118 #0 : DVB-S #0 - poll TIMEOUT Aug 23 08:37:57 localhost tvheadend[917]: linuxdvb: Conexant CX24116/CX24118 #0 : DVB-S #0 - retune nodata Aug 23 08:38:05 localhost tvheadend[917]: linuxdvb: Conexant CX24116/CX24118 #0 : DVB-S #0 - poll TIMEOUT Aug 23 08:38:05 localhost tvheadend[917]: linuxdvb: Conexant CX24116/CX24118 #0 : DVB-S #0 - retune nodata Aug 23 08:38:12 localhost tvheadend[917]: linuxdvb: Conexant CX24116/CX24118 #0 : DVB-S #0 - poll TIMEOUT Aug 23 08:38:13 localhost tvheadend[917]: linuxdvb: Conexant CX24116/CX24118 #0 : DVB-S #0 - retune nodata Aug 23 08:38:20 localhost tvheadend[917]: linuxdvb: Conexant CX24116/CX24118 #0 : DVB-S #0 - poll TIMEOUT Aug 23 08:38:20 localhost tvheadend[917]: linuxdvb: Conexant CX24116/CX24118 #0 : DVB-S #0 - retune nodata Aug 23 08:38:28 localhost tvheadend[917]: linuxdvb: Conexant CX24116/CX24118 #0 : DVB-S #0 - poll TIMEOUT Aug 23 08:38:29 localhost tvheadend[917]: linuxdvb: Conexant CX24116/CX24118 #0 : DVB-S #0 - retune nodata
Aug 23 08:38:30 localhost systemd[1]: Started Session 2 of user golffies.
Aug 23 08:38:35 localhost tvheadend[917]: linuxdvb: Conexant CX24116/CX24118 #0 : DVB-S #0 - poll TIMEOUT Aug 23 08:38:36 localhost tvheadend[917]: linuxdvb: Conexant CX24116/CX24118 #0 : DVB-S #0 - retune nodata Aug 23 08:38:36 localhost tvheadend[917]: subscription: 0005: "epggrab" unsubscribing Aug 23 08:38:37 localhost tvheadend[917]: mpegts: 11681H in DVB-S - Hot Bird 13E - tuning on Conexant CX24116/CX24118 #0 : DVB-S #0 Aug 23 08:38:38 localhost tvheadend[917]: subscription: 0007: "epggrab" subscribing to mux "11681H", weight: 4, adapter: "Conexant CX24116/CX24118 #0 : DVB-S #0", network: "DVB-S - Hot Bird 13E", service: "Raw PID Subscription"



lsmod output:



$ lsmod
Module                  Size  Used by
serial_cs              24576  1
nvidia_uvm             36864  0
cx22702                16384  1
isl6421                16384  1
cx24116                20480  1
cx88_dvb               36864  11
cx88_vp3054_i2c        16384  1 cx88_dvb
videobuf2_dvb          16384  1 cx88_dvb
dvb_core              106496  2 videobuf2_dvb,cx88_dvb
snd_soc_wm8776         20480  0
snd_soc_core          204800  1 snd_soc_wm8776
snd_compress           20480  1 snd_soc_core
snd_pcm_dmaengine      16384  1 snd_soc_core
wm8775                 16384  1
ir_rc5_decoder         16384  0
rc_hauppauge           16384  0
ir_lirc_codec          16384  0
lirc_dev               16384  2 ir_lirc_codec
tuner_simple           20480  2
tuner_types            20480  1 tuner_simple
tda9887                16384  1
snd_hda_codec_hdmi     45056  4
tda8290                24576  0
tuner                  28672  2
snd_hda_intel          36864  1
serio_raw              16384  0
cx8802                 20480  1 cx88_dvb
cx8800                 28672  0
snd_hda_codec         106496  2 snd_hda_intel,snd_hda_codec_hdmi
cx88_alsa              20480  1
joydev                 20480  0
cx88xx                 81920  4 cx88_alsa,cx88_dvb,cx8802,cx8800
snd_intel8x0           36864  3
input_leds             16384  0
snd_hda_core 65536 3 snd_hda_intel,snd_hda_codec,snd_hda_codec_hdmi
videobuf2_dma_sg       16384  2 cx88_dvb,cx8800
tveeprom               20480  1 cx88xx
snd_ac97_codec        106496  1 snd_intel8x0
rc_core 32768 6 rc_hauppauge,ir_lirc_codec,lirc_dev,cx88xx,ir_rc5_decoder
videobuf2_memops       16384  1 videobuf2_dma_sg
snd_hwdep              16384  1 snd_hda_codec
v4l2_common            16384  4 tuner,wm8775,cx88xx,cx8800
ac97_bus               16384  2 snd_ac97_codec,snd_soc_core
videobuf2_v4l2         20480  2 cx88_dvb,cx8800
xpad                   32768  0
videobuf2_core 36864 6 videobuf2_dvb,cx88_dvb,cx8802,cx88xx,videobuf2_v4l2,cx8800 snd_pcm 86016 11 snd_hda_intel,snd_soc_wm8776,snd_hda_codec,cx88_alsa,snd_pcm_dmaengine,snd_hda_core,snd_ac97_codec,snd_hda_codec_hdmi,snd_intel8x0,snd_soc_core
ff_memless             16384  1 xpad
nvidia               9535488  72 nvidia_uvm
snd_seq_midi           16384  0
videodev 155648 8 tuner,v4l2_common,cx88_alsa,wm8775,videobuf2_core,cx88xx,videobuf2_v4l2,cx8800
snd_seq_midi_event     16384  1 snd_seq_midi
media                  32768  2 tuner,videodev
snd_rawmidi            28672  1 snd_seq_midi
i2c_algo_bit           16384  2 cx88_vp3054_i2c,cx88xx
snd_seq                57344  2 snd_seq_midi_event,snd_seq_midi
snd_seq_device         16384  3 snd_seq,snd_rawmidi,snd_seq_midi
pcmcia                 57344  1 serial_cs
drm                   344064  3 nvidia
snd_timer              28672  2 snd_seq,snd_pcm
yenta_socket           40960  0
snd 69632 23 snd_compress,snd_hda_intel,snd_hwdep,snd_seq,snd_hda_codec,cx88_alsa,snd_ac97_codec,snd_timer,snd_rawmidi,snd_hda_codec_hdmi,snd_intel8x0,snd_seq_device,snd_soc_core,snd_pcm
pcmcia_rsrc            20480  1 yenta_socket
pcmcia_core            24576  3 yenta_socket,pcmcia,pcmcia_rsrc
soundcore              16384  1 snd
shpchp                 32768  0
mac_hid                16384  0
sch_fq_codel           20480  2
parport_pc             32768  0
ppdev                  20480  0
lp                     20480  0
parport                45056  3 lp,parport_pc,ppdev
ip_tables              20480  0
x_tables               28672  1 ip_tables
autofs4                40960  2
btrfs                1089536  1
xor                    28672  1 btrfs
zstd_compress         151552  1 btrfs
raid6_pq              106496  1 btrfs
dm_mirror              24576  0
dm_region_hash         20480  1 dm_mirror
dm_log                 20480  2 dm_mirror,dm_region_hash
uas                    20480  0
usb_storage            57344  1 uas
hid_generic            16384  0
usbhid                 49152  0
hid                    98304  2 hid_generic,usbhid
cb710_mmc              20480  0
b44                    36864  0
psmouse               131072  0
cb710                  16384  1 cb710_mmc
ssb                    57344  1 b44
mii                    16384  1 b44
sis_agp                16384  1
pata_acpi              16384  0
i2c_sis96x             16384  0



lspci -vnn output:



00:13.0 Multimedia video controller [0400]: Conexant Systems, Inc. CX23880/1/2/3 PCI Video and Audio Decoder [14f1:8800] (rev 05)
	Subsystem: Hauppauge computer works Inc. WinTV HVR-4000-HD [0070:6902]
	Flags: bus master, medium devsel, latency 32, IRQ 18
	Memory at df000000 (32-bit, non-prefetchable) [size=16M]
	Capabilities: [44] Vital Product Data
	Capabilities: [4c] Power Management version 2
	Kernel driver in use: cx8800
	Kernel modules: cx8800

00:13.1 Multimedia controller [0480]: Conexant Systems, Inc. CX23880/1/2/3 PCI Video and Audio Decoder [Audio Port] [14f1:8811] (rev 05)
	Subsystem: Hauppauge computer works Inc. WinTV HVR-4000-HD [0070:6902]
	Flags: bus master, medium devsel, latency 32, IRQ 18
	Memory at de000000 (32-bit, non-prefetchable) [size=16M]
	Capabilities: [4c] Power Management version 2
	Kernel driver in use: cx88_audio
	Kernel modules: cx88_alsa

00:13.2 Multimedia controller [0480]: Conexant Systems, Inc. CX23880/1/2/3 PCI Video and Audio Decoder [MPEG Port] [14f1:8802] (rev 05)
	Subsystem: Hauppauge computer works Inc. WinTV HVR-4000-HD [0070:6902]
	Flags: bus master, medium devsel, latency 32, IRQ 18
	Memory at dd000000 (32-bit, non-prefetchable) [size=16M]
	Capabilities: [4c] Power Management version 2
	Kernel driver in use: cx88-mpeg driver manager
	Kernel modules: cx8802

00:13.4 Multimedia controller [0480]: Conexant Systems, Inc. CX23880/1/2/3 PCI Video and Audio Decoder [IR Port] [14f1:8804] (rev 05)
	Subsystem: Hauppauge computer works Inc. WinTV HVR-4000-HD [0070:6902]
	Flags: bus master, medium devsel, latency 32, IRQ 255
	Memory at dc000000 (32-bit, non-prefetchable) [disabled] [size=16M]
	Capabilities: [4c] Power Management version 2






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