8K X Occasionally Blacks out for a few seconds (Potentially Solved, EMI Ground Loop/ Interference likely the cause)

MikeJeffries · March 15, 2021, 6:30pm

Today my hmd blacked out after it was sitting turned on in Star Wars Squadrons. Also sound, tracking, and game was fully connected but i had to restart to get it back. It felt a little warm near the cable so not sure if thats the issue

MikeJeffries · March 15, 2021, 6:32pm

It seems like the blackouts continue with other games also. Just happened again in star wars squadrons after it sat unused but plugged in and turned on for a few minutes. What could this be? Im hearing these blackouts happen with alot of the 8k x headsets it seems. It should be pretty well documented by support but they seem to say they dont know. Complete blackout but still connected in game, means theres something else going on we dont understand.

MikeJeffries · March 15, 2021, 6:35pm

and yet someone else had this issue just reported on reddit but he’s using a repeater…

twack3r · March 16, 2021, 8:12am

Has anyone else been sent the “pimax_fw_log_console_v.0.0.6.zip” file to provide logging data for Pimax?

Normally I’d be happy to oblige and execute, but after the recent breach of trust via PiTool 269 I am somewhat hessitant.

MikeJeffries · March 16, 2021, 9:28am

Theyre asking me questions about my issue in the support ticket ive had open now

Waiting to see what they want to do. They made me switch the optical cable and try a debug firmware and neither has worked

Another user rsbell reported a blackout for 4 seconds on reddit just now in iracing

apple · March 16, 2021, 10:01am

Hi MikeJeffries,

Please give us the ticket number.
After receive it ,we will follow it soon.
Looking forward to your reply.

Regards,
Apple

MikeJeffries · March 16, 2021, 10:55am

Its a long ticket with multiple questions but youll see the info here: ticket# 13036

I just recorded the log file also in the ticket

twack3r · March 16, 2021, 4:16pm

So you have a logged record for the blackout?

MikeJeffries · March 16, 2021, 4:35pm

No. This app they sent us takes a log of the firmware version, pitool version and some other info. It doesn’t log when the blackouts happen or anything. It just creates a file to send to support it seems

twack3r · March 16, 2021, 6:47pm

Understood.

In that case I‘ll send them the log once I can verify what it is that it actually logs.

MikeJeffries · March 16, 2021, 7:05pm

You send them the file after you run the this logging app. It doesn’t do anything except create a log file. Open it up and youll see what it has inside.

Here’s what my log file said in it:

product   name: Pimax P2N

bootloader Ver: D233

firmware   Ver: R2.1.255.296 - id_96a0d0d_20210107

board   serial: 207506XXXXXXXX

module  serial: 207500XXXXXXXX

product serial: 207500XXXXXXXX

work      mode: normal

panel     type: panel_b8x

HmdFCT   result: 5000

release  flag: 6000

panel left  bright level: 81

panel right bright level: 81

EE Flash selftest result: 0

Current Calibrate Flag  : False



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 0x08008900:  FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 

 0x08008920:  FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 

 0x08008940:  FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 

 0x08008960:  FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 

 0x08008980:  FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 

 0x080089A0:  FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 

 0x080089C0:  FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 

 0x080089E0:  FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 

 0x08008A00:  FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 

 0x08008A20:  FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 

 0x08008A40:  FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 

 0x08008A60:  FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 

 0x08008A80:  FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 

 0x08008AA0:  FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 

 0x08008AC0:  FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 

 0x08008AE0:  FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 

 0x08008B00:  FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 

 0x08008B20:  FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 

 0x08008B40:  FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 

 0x08008B60:  FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 

 0x08008B80:  FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 

 0x08008BA0:  FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 

 0x08008BC0:  FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 

 0x08008BE0:  FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 

 0x08008C00:  FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 

 0x08008C20:  FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 

 0x08008C40:  FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 

 0x08008C60:  FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 

Debug mode set OK: hid !

LOOP[TRACE] 18.27780: [DB_instance] init ok
LOOP[TRACE] 19.18906: [EEPROM_read] EEPROM_read pos:258, size:2, val:ffff
LOOP[TRACE] 402.39580: [pure_init] start ... 
LOOP[TRACE] 4cb.38693: [pimax_board_id_get] P2X 5.0
LOOP[TRACE] 4cb.33353: [LED_Init] entry
LOOP[TRACE] 4d0.31482: [led_set_state] led state is set to 0


LOOP[TRACE] 4d1.29502: [led_set_state] led state is set to 5


LOOP[TRACE] 4d2.27452: [led_set_state] led state is set to 3


LOOP[TRACE] 4d4.29370: [LED_Init] exit
LOOP[TRACE] 4d4.24732: [core_init] start ... 
LOOP[TRACE] 4d7.  770: [EEPROM_read] EEPROM_read pos:18, size:2, val:1
LOOP[TRACE] 4d8.33442: [dev_0_init] start ... 
LOOP[TRACE] 4d8.28462: [LTR303_Init] entry
LOOP[TRACE] 5c3.39635: [LTR303_Init] exit
LOOP[TRACE] 5c3.27697: [chicago2_state_change] State change to 0, last_state=0

LOOP[TRACE] 5c5. 4668: [EEPROM_read] EEPROM_read pos:16, size:2, val:4b
LOOP[TRACE] 5c6.36981: [Panel_default_edid_config_get] Panel_default_edid_config_get 75

LOOP[TRACE] 5c6.19980: [chicago_edid_generate] done!

LOOP[TRACE] 5c6.14502: [usb_init] entry
LOOP[TRACE] 699.32271: [usb_init] exit
LOOP[TRACE] 699.27679: [dev_1_init] start ... 
LOOP[TRACE] 69a.15937: [take_apart_init_check] entry:0
LOOP[TRACE] 69a.10355: [take_apart_init_check] exit
LOOP[TRACE] 69a. 5172: [calibration_init] entry
LOOP[TRACE] 69d.25664: [calibration_init] exit
LOOP[TRACE] 702.39282: [dev_2_init] start ... 
LOOP[TRACE] 702.32999: [hmc_init] hmc_init >(void)
LOOP[TRACE] 717.37688: [hmc_init] hmc_init =(devId=0x48)
LOOP[TRACE] 743.39416: [hmc_self_test_is_passed] asa:1.121094,1.109375,1.082031, val:-2,2,-1679
LOOP[TRACE] 743.22220: [hmc_init] hmc_init <(void)
LOOP[TRACE] 743.17024: [imu_init] entry
LOOP[TRACE] 74e.25425: [imu_init] exit
LOOP[TRACE] 751.27633: [rgb_reset] exit (void)
LOOP[TRACE] 754.27672: [rgb_enable] exit (gpomd=0x1, isel=0x2)
LOOP[TRACE] 754.21018: [rgb_initial] <(void)
LOOP[TRACE] 754.16161: [sys_init] start ... 
LOOP[TRACE] 755.31898: [coro_data_packet_start] entry
LOOP[TRACE] 755.26514: [coro_data_packet_start] exit
LOOP[TRACE] 756.15372: [EEPROM_read] EEPROM_read pos:262, size:2, val:0
LOOP[TRACE] 756. 8159: [main_loop] enter into loop ... 
LOOP[TRACE] 757.39659: [Audio_loop_proc] enter!
LOOP[TRACE] 820.34952: [Audio_loop_proc] rise
LOOP[TRACE] 820.29331: [Audio_loop_proc] ADC:0.003000
LOOP[TRACE] 820.22108: [Audio_loop_proc] 0<ADC<1.1
LOOP[TRACE] 820.15679: [B4D_panel_power_supply] B4D_panel_power_supply = 0

LOOP[TRACE] c41.26078: [chicago2_power_supply] Chip power supply = 0

LOOP[TRACE] c41.19802: [chicago2_power_supply] 1.0 off
LOOP[TRACE] c41.14619: [chicago2_power_supply] 1.2 off
LOOP[TRACE] c41. 9514: [chicago2_power_supply] 1.8 off
LOOP[TRACE] c47.27896: [chicago2_power_supply] Chip power supply = 1

LOOP[TRACE] c47.21649: [chicago2_power_supply] 1.8 on
LOOP[TRACE] c49.27706: [chicago2_power_supply] 1.0 on
LOOP[TRACE] c4b.25870: [chicago2_power_supply] 1.2 on
LOOP[TRACE] c88.24847: [chicago2_power_onoff] CHIP_POWER_UP and RESET control = 1

LOOP[TRACE] cc8.39580: [chicago2_stopocm] Stop OCM

LOOP[TRACE] cce.32598: [burn_hex_auto] OCM ver:b1X.b1X.b02X,
LOOP[TRACE] cce.26570: [burn_hex_auto]  HEX ver:b1X.b1X.b02X...
LOOP[TRACE] cce.20365: [burn_hex_auto] No need to flash

LOOP[TRACE] cce.15014: [chicago2_power_onoff] CHIP_POWER_UP and RESET control = 0

LOOP[TRACE] cd5.39340: [chicago2_power_onoff] CHIP_POWER_UP and RESET control = 1

LOOP[TRACE] d00. 1144: [chicago2_main] OCM CRC pass.

LOOP[TRACE] d48.26394: [edid_write_buffer] edid_write_buffer done, checksum=0xb02X

LOOP[TRACE] d55.33861: 0x0000: 00 ff ff ff ff ff ff 00 42 d2 19 10 00 00 00 00
LOOP[TRACE] d55.20668: 0x0010: 12 1b 01 04 a5 00 00 78 1e 00 00 00 00 00 00 00
LOOP[TRACE] d55. 7857: 0x0020: 00 00 00 00 00 00 01 00 01 00 01 00 01 00 01 00
LOOP[TRACE] d56.34895: 0x0030: 01 00 01 00 01 00 00 00 00 00 00 00 00 00 00 00
LOOP[TRACE] d56.21850: 0x0040: 00 00 00 00 00 00 00 00 00 00 00 fc 00 50 69 6d
LOOP[TRACE] d56. 9079: 0x0050: 61 78 20 50 32 4e 0a 20 20 20 00 00 00 ff 00 30
LOOP[TRACE] d57.35859: 0x0060: 37 35 30 30 32 33 33 30 32 33 31 34 00 00 00 fd
LOOP[TRACE] d57.22499: 0x0070: 00 14 c8 01 ff ff 00 0a 20 20 20 20 20 20 01 cf
LOOP[TRACE] d9e.  662: [edid_write_extension_buffer] edid_write_extension_buffer done, checksum=0xb02X

LOOP[TRACE] dab. 7468: 0x0000: 70 12 79 00 00 03 00 14 11 52 01 04 df 10 83 00
LOOP[TRACE] dac.34301: 0x0010: 3b 00 0b 00 5f 0c 47 00 27 00 03 00 03 00 14 08
LOOP[TRACE] dac.20929: 0x0020: a2 01 04 df 10 53 00 23 00 0b 00 5f 0c 47 00 27
LOOP[TRACE] dac. 7986: 0x0030: 00 03 00 00 00 00 00 00 00 00 00 00 00 00 00 00
LOOP[TRACE] dad.35159: 0x0040: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
LOOP[TRACE] dad.21996: 0x0050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
LOOP[TRACE] dad. 9361: 0x0060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
LOOP[TRACE] dae.36452: 0x0070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 50 90
LOOP[TRACE] db0.15075: [B4D_panel_DSC_setting] B4D_panel_DSC_setting = void

LOOP[TRACE] f15.13782: [led_set_state] led state is set to 3


LOOP[TRACE] f17.14887: [usb_detect_check] usb plug in
LOOP[TRACE] f17. 9252: [led_set_state] led state is set to 4


LOOP[TRACE] f28.24454: [chicago2_interrupt_queue] intr_queue0=80, intr_queue1=00

LOOP[TRACE] f2a.14722: [chicago2_interrupt_handle] enter,queue0-80, queue1-0 (in-1,out-0)

LOOP[TRACE] f2a. 6073: [chicago2_interrupt_handle] OCM load done

LOOP[TRACE] f32.35238: [chicago2_read_chip_id] Chip ID = 0000

LOOP[TRACE] f3d.27976: [chicago2_hpd_set] chicago2_hpd_set

LOOP[TRACE] f3f.20070: [chicago2_main] HPD to high.

ISR [TRACE] d0de.14099: [EEPROM_read] EEPROM_read pos:8, size:2, val:51
ISR [TRACE] d0df. 1700: [EEPROM_read] EEPROM_read pos:10, size:2, val:51
ISR [TRACE] d0e2.10580: [EEPROM_read] EEPROM_read pos:8, size:2, val:51
ISR [TRACE] d0e4.38340: [EEPROM_read] EEPROM_read pos:10, size:2, val:51
LOOP[TRACE] d0ea.31123: [led_set_state] led state is set to 2


ISR [TRACE] d5b7.26509: [EEPROM_read] EEPROM_read pos:8, size:2, val:51
ISR [TRACE] d5b8.14544: [EEPROM_read] EEPROM_read pos:10, size:2, val:51
LOOP[TRACE] da80.27226: [chicago2_interrupt_queue] intr_queue0=02, intr_queue1=00

LOOP[TRACE] da82.17238: [chicago2_interrupt_handle] enter,queue0-2, queue1-0 (in-2,out-1)

LOOP[TRACE] da82. 8705: [chicago2_interrupt_handle] stable

LOOP[TRACE] da82. 3302: [chicago2_main] Before Panel On check

LOOP[TRACE] da84.  795: [chicago_calc_current_porch_v_total] total:3240
LOOP[TRACE] da8c.31684: [chicago_calc_current_total_pixel_clk] bandwidth: 8100 Mbps, lane count:  4 


LOOP[TRACE] da8c.23269: [chicago_calc_current_total_pixel_clk] m_value: 43369, n_value: 32768 


LOOP[TRACE] da8c.15300: [Panel_Curr_edid_config_get] cal frame_rate:74

LOOP[TRACE] da8c. 8630: [Panel_Curr_edid_config_get] banking total:3240-3240

LOOP[TRACE] da8c. 1487: [Panel_Curr_edid_config_get] cal frame_rate:75

LOOP[TRACE] da8d.35025: [Panel_Curr_edid_config_get] banking total:3240-3240

LOOP[TRACE] da8d.27380: [Panel_check_if_reset_display] Freq: cfg-75,real-75.
LOOP[TRACE] da8d.20517: [chicago2_main] Panel On

LOOP[TRACE] daa7.20661: [B4D_panel_panel_turn_on_off] boe panel_turn_on_off = 1

LOOP[TRACE] daa7.14008: [B4D_panel_power_supply] B4D_panel_power_supply = 0

LOOP[TRACE] dec8.23572: [B4D_panel_power_supply] B4D_panel_power_supply = 1

LOOP[TRACE] df8f.39200: [panel_set_LP_HS_mode] panel_set_LP_HS_mode = 0

LOOP[TRACE] e127.19465: [EEPROM_read] EEPROM_read pos:8, size:2, val:51
LOOP[TRACE] e128. 6931: [EEPROM_read] EEPROM_read pos:10, size:2, val:51
port: 1, register: e4 value: 0000081c

 03 08 0b 6d 00 01 1e 3b

port: 1, register: a1 value: 00000c1c

 00 00 00 00 00 00 53 34 b5 35 08 3b

port: 1, register: e4 value: 0000081c

 03 08 0b 6d 00 01 1e 3b

port: 3, register: e4 value: 0000081c

 02 0a 0b 6d 00 00 1d 3a

port: 3, register: a1 value: 00000c1c

 00 00 00 00 00 00 53 34 b5 33 0a 3a

port: 3, register: e4 value: 0000081c

 02 0a 0b 6d 00 00 1d 3a

LOOP[TRACE] e4c6.29814: [B4D_panel_sleep_in_out] B4D_panel_sleep_in_out = 1

LOOP[TRACE] e555.21889: [B4D_panel_display_on_off] B4D_panel_display_on_off = 1

LOOP[TRACE] e5ad.39189: [panel_set_LP_HS_mode] panel_set_LP_HS_mode = 1

LOOP[TRACE] e5bd.10840: [led_set_state] led state is set to 6


LOOP[TRACE] 206573.30787: [EEPROM_read] EEPROM_read pos:8, size:2, val:51
LOOP[TRACE] 206574.18015: [EEPROM_read] EEPROM_read pos:10, size:2, val:51```

twack3r · March 16, 2021, 7:44pm

Interesting.

What does our resident big brain @risa2000 make of this?

I‘ll run the log on my HMD as well and Post the results here.

MikeJeffries · March 16, 2021, 8:00pm

They asked me to do it in my support ticket so i just sent them the file, but thats what it had in it. Not sure what they can tell from that file. It’s gibberish to me.

Hopefully we can figure it out. I have a feeling it’s 3000-series cards, nvidia driver, or something to do with DP 1.4. I think it’s just pushing too much and hitting it’s max or something. I can’t figure it out because it’s so random and hard to track down.

fransuske · March 16, 2021, 8:18pm

Hi,
I did have the blackouts in my Oculus Rift also.
It isn’t just Pimax related in my opinion.

It’s just random; it ocured sometimes 2 or 3 times or not at all.

my 2 cents

MikeJeffries · March 16, 2021, 8:33pm

And what kind of GPU did you use it with when you had the blackouts?

Trigen · March 16, 2021, 9:25pm

Its not only in iracing. Happens to me in DCS world and other games (AC ) and its totally random. 2-5 seconds. Black screens with everything else working. Once or twice in 2 hours but it usually takes some time before it happens. I just dont dare do an official race or fly in close formation right now. My friend had the same issue and returned his so its more than likely a Pimax HW issue as Ive had another 8kx module earlier with no issues. I am however on the optical cable now and thats the only change but my friend was on the standard one.

On a 3090 461.72 driver. HMD FW 296

risa2000 · March 16, 2021, 9:39pm

The first part of the dump starting from the address 0x08004000 corresponds to the STM32 Flash address range (which is the main SoC in Pimax), and the data dumped are (apparently) some IDs and what not. The rest (which reads LOOP[TRACE] I have no idea .

fransuske · March 16, 2021, 10:49pm

Hi Mike, did you refer to me ?
Till december I used a 1080, after december I used a 3080 and it occurs on both cards .

PimaxUSA · March 18, 2021, 2:13pm

The ability to disable pitool remotely for any reason is removed in the upcoming release.

StokeHead · March 18, 2021, 2:20pm

Are you able to run iRacing in native mode with the low settings and wide FOV mode? Just wondering because i want to get the 8kx specifically for iRacing and am kind of impressed that you are able to run it with a 1080ti.