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CJ4 v0.8.x: CTD Reports #608

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cwburnett opened this issue Dec 16, 2020 · 65 comments
Closed

CJ4 v0.8.x: CTD Reports #608

cwburnett opened this issue Dec 16, 2020 · 65 comments
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bug Something isn't working CJ4 Issues related to the CJ4 aircraft

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@cwburnett
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cwburnett commented Dec 16, 2020

We will use this issue to track CTD reports from users.

PLEASE INCLUDE

PHASE OF FLIGHT:
AP ON/OFF:
VNAV ON/OFF:
WHAT FMC PAGE:
WHAT AUTOPILOT MODES (FMA):
DO YOU HAVE NAVIGRAPH DATA INSTALLED?:
GPU NVIDIA OR AMD?:
SCENERIES INSTALLED?:
DESCRIPTION OF THE EVENT - WHAT WERE YOU DOING/WHAT WAS THE PLANE DOING WHEN IT OCCURED:

Crash dumps

ℹ️ So everyone who gets regular CTD. Could you please do this https://helgeklein.com/blog/2018/10/creating-an-application-crash-dump/ , upload the file to something like https://gofile.io/uploadFiles and link it in your CTD report? Could be helpful in the future to diagnose it.

@cwburnett cwburnett added bug Something isn't working CJ4 Issues related to the CJ4 aircraft labels Dec 16, 2020
@sdflyer001
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CLIMB
AP: ON
VNAV: ON
FMC PAGE: PERFORMANCE - FUEL
AUTOPILOT: VS 3900 FPM, NAV, ALT=25000 (leaving 5500)
CTD: DEPARTURE KBUR RWY26. CIRCLING TO DEPARTURE EASTBOUND. PASSING BETWEEN 10000 and 18000 ft CTD

@BostonJeremy77
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CLIMB
AP: OFF and then ON (second flight)
VNAV: OFF
FMC PAGE: DEPARTURES
AUTOPILOT: VS 2000 FPM, NAV, ALT=5000
CTD: DEPARTURE EICK RWY26. TAKEOFF and CLIMB phases en route to EIDW.

First CTD 2-3 seconds after rotation on takeoff. Second CTD in Climb after about 4 minutes in flight.

@WinstonCh
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PHASE OF FLIGHT: Departure/Climb
AP ON/OFF: On
VNAV ON/OFF: Off
WHAT FMC PAGE: Departures
WHAT AUTOPILOT MODES (FMA): VS2000FPM, NAV, ALT 8200
CTD: Departure EDDM, CTD within 100 ft off the runway, seconds after switching AP on.

@odourboy
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odourboy commented Dec 16, 2020

PHASE OF FLIGHT:climb
AP ON/OFF:on
VNAV ON/OFF:off
WHAT FMC PAGE:legs or arr/dep (don't recall which)
WHAT AUTOPILOT MODES (FMA):NAV, FLC
DO YOU HAVE NAVIGRAPH DATA INSTALLED?:whatever is default with MSFS
DESCRIPTION OF THE EVENT - WHAT WERE YOU DOING/WHAT WAS THE PLANE DOING WHEN IT OCCURED: This happened twice in a row. KLAX to PHNL (I know, I was going to test range). Live weather and Live traffic. Flight started in ready for takeoff state, 100% fuel. RWY 7L for first, 25R for second IIRC. Had set up Position Init, Flight level, V speeds and entered takeoff runway (no takeoff transition, no approach info at all) in FMC, no VNAV. In both cases, I was in early in climb phase ~3-5000 ft range, just off the coast over water when the CTD occurred. No scenery add-ons in the vicinity. Cheers, Brian

@dga711
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dga711 commented Dec 17, 2020

@sdflyer001 @BostonJeremy77 @WinstonCh @odourboy
Can you please state how you did add your flight plans? Did you set it up from the game in world map? Input in FMS? Simbrief import?

@sdflyer001
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@sdflyer001 @BostonJeremy77 @WinstonCh @odourboy
Can you please state how you did add your flight plans? Did you set it up from the game in world map? Input in FMS? Simbrief import?

It was flight plan generated by MSFS->high altitude

@BostonJeremy77
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My plans were generated by MSFS flight planner. Low altitude (11,000 feet cruise planned). I did go and reconnect discontinuities directly in FMS.

@dga711
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dga711 commented Dec 17, 2020

So there could be a common theme in all the CTDs as in that the flight plans came from the world map. COULD be a pointer in the right direction.

@odourboy
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odourboy commented Dec 17, 2020 via email

@JustSeanC
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Attempted @odourboy 's repo instructions as well as my own. Flew both departures to FL250 without CTD.

@odourboy
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odourboy commented Dec 17, 2020 via email

@dga711
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dga711 commented Dec 17, 2020

No worries. We see there must be something to it and we are working hard on reproducing it. Its just not easy ;) Every report is very welcome.

@Wags221
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Wags221 commented Dec 17, 2020

PHASE OF FLIGHT: Approach
AP ON/OFF: On
VNAV ON/OFF: On
WHAT FMC PAGE: Approach Perf
WHAT AUTOPILOT MODES (FMA): LNAV, VNAV, APR
DO YOU HAVE NAVIGRAPH DATA INSTALLED?: NO
DESCRIPTION OF THE EVENT - WHAT WERE YOU DOING/WHAT WAS THE PLANE DOING WHEN IT OCCURED: Was on RNAV18 Approach to KMSN, when at the DLL transition, the sim hang for a few seconds then CTD. Flight plan was simbrief import.

@WinstonCh
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dga711: I entered the flightplan on the FMS and spawned onto a ramp, without adding any plans from the MSFS main window

@e4rthdog
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e4rthdog commented Dec 17, 2020

PHASE OF FLIGHT: Departure SID from TAPA airport
AP ON/OFF: ON
VNAV ON/OFF: ON (VFLC)
WHAT FMC PAGE: TUN
WHAT AUTOPILOT MODES (FMA): I was on AP, FLC, VNAV
DO YOU HAVE NAVIGRAPH DATA INSTALLED?: YES
DESCRIPTION OF THE EVENT - WHAT WERE YOU DOING/WHAT WAS THE PLANE DOING WHEN IT OCCURED: I was in VC after comming back from external view. I did another 3 flights without CTD. This was the first time i used FLC / VFLC. The other flights with 0.8.0 was in V/S climb with VNAV. Also i noticed that in this flight i did not get FADEC clicks in the detends and i always got CRUISE mod in the MFD. Also the flight plan was entered manually from the FMC not from the MSFS MAP screen.

@martynbrinton
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Not a stunningly detailed test, but following on from above about flight planning.
I had 3 CTD straight after TO when building my plan in the world map.
I then created the same plan in LittleNavMap and loaded that into MSFS. No CTD.

I'll keep playing!

@K20017
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K20017 commented Dec 17, 2020

PHASE OF FLIGHT: Departure SID from TAPA airport
AP ON/OFF: ON
VNAV ON/OFF: ON (VFLC)
WHAT FMC PAGE: TUN
WHAT AUTOPILOT MODES (FMA): I was on AP, FLC, VNAV
DO YOU HAVE NAVIGRAPH DATA INSTALLED?: YES
DESCRIPTION OF THE EVENT - WHAT WERE YOU DOING/WHAT WAS THE PLANE DOING WHEN IT OCCURED: I was in VC after comming back from external view. I did another 3 flights without CTD. This was the first time i used FLC / VFLC. The other flights with 0.8.0 was in V/S climb with VNAV. Also i noticed that in this flight i did not get FADEC clicks in the detends and i always got CRUISE mod in the MFD. Also the flight plan was entered manually from the FMC not from the MSFS MAP screen.

If your FADEC isn't working, you have a livery conflict. Remove the livery or delete the panel.cfg file in it. The panel.cfg is overwriting our FADEC code execution.

@e4rthdog
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PHASE OF FLIGHT: Departure SID from TAPA airport
AP ON/OFF: ON
VNAV ON/OFF: ON (VFLC)
WHAT FMC PAGE: TUN
WHAT AUTOPILOT MODES (FMA): I was on AP, FLC, VNAV
DO YOU HAVE NAVIGRAPH DATA INSTALLED?: YES
DESCRIPTION OF THE EVENT - WHAT WERE YOU DOING/WHAT WAS THE PLANE DOING WHEN IT OCCURED: I was in VC after comming back from external view. I did another 3 flights without CTD. This was the first time i used FLC / VFLC. The other flights with 0.8.0 was in V/S climb with VNAV. Also i noticed that in this flight i did not get FADEC clicks in the detends and i always got CRUISE mod in the MFD. Also the flight plan was entered manually from the FMC not from the MSFS MAP screen.

If your FADEC isn't working, you have a livery conflict. Remove the livery or delete the panel.cfg file in it. The panel.cfg is overwriting our FADEC code execution.

Is there any way to pinpoint the livery in conflict? Although i think that i havent installed any liveries between working and not-working flights.....

@K20017
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K20017 commented Dec 17, 2020

The fastest way would be to remove half your liveries, test, then keep removing half until you can find which half "chunk" the conflict resides. But any livery that has a panel.cfg is going to be in conflict.

@Stroman81
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PHASE OF FLIGHT: Climb
AP ON/OFF: On
VNAV ON/OFF: Off
WHAT FMC PAGE: PERF
WHAT AUTOPILOT MODES (FMA): FLC/LNAV
DO YOU HAVE NAVIGRAPH DATA INSTALLED?: no
DESCRIPTION OF THE EVENT - WHAT WERE YOU DOING/WHAT WAS THE PLANE DOING WHEN IT OCCURED:
Just after departure out of rwy 21 at EHEH towards EGLC on the XOMRA1K departure, although this sid was not available in fmc (flightplan import by simbrief). I came from one of the wingviews back into the cockpit and a few seconds later CTD. It was evening, using live weather (few clouds) No error module reported in Windows Event viewer.

@e4rthdog
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e4rthdog commented Dec 18, 2020

I had my second CTD and it was shortly after coming from external view to VC during SID.

I can swap external and internal views at later stages of flight with no CTD.

@realvitya
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PHASE OF FLIGHT: After departure
AP ON/OFF: On
VNAV ON/OFF: On
WHAT FMC PAGE: Legs
WHAT AUTOPILOT MODES (FMA): LNAV, VNAV, FLC
DO YOU HAVE NAVIGRAPH DATA INSTALLED?: YES
DESCRIPTION OF THE EVENT - WHAT WERE YOU DOING/WHAT WAS THE PLANE DOING WHEN IT OCCURED:
After the plane started climbing I experienced some stutters then the whole MSFS crashed and I got back to desktop.

I can confirm that it happened 3 times using MS flight planning. After reading the above comments, I was able to fly without crashes using manual FMS flightplan and even with Simbrief imported flightplan.

It's not related to the crash but the sim does not "see" the flightplan put together in the FMS so there is no ATC with IFR plan. In a way it's better so it does not bugging me about altitudes :D

@e4rthdog
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PHASE OF FLIGHT: Departure during SID
AP ON/OFF: ON
VNAV ON/OFF: ON V/S + VNAV
WHAT FMC PAGE: DIR
WHAT AUTOPILOT MODES (FMA):
DO YOU HAVE NAVIGRAPH DATA INSTALLED?: YES
DESCRIPTION OF THE EVENT - WHAT WERE YOU DOING/WHAT WAS THE PLANE DOING WHEN IT OCCURED: Departing, all time in VC no external views. I assigned a DIRECT TO the last point of SID. I then tried to switch off landing lights and got the CTD.

@cvitre23
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INITIAL CLIMB (FMS SID)
AP: ON
VNAV: OFF
FMC PAGE: LEGS
DO YOU HAVE NAVIGRAPH DATA INSTALLED?: NO
AUTOPILOT: FLC 220KTS , NAV, ALT=13000
CTD#1: DEPARTURE LEMD rwy36L. PASSING 9800ft 1st small freeze (1s) then back on desktop
CTD#2: DEPARTURE LEMD rwy36R. PASSING 9800ft 1st small freeze (1s) then back on desktop

Always around the same exact altitude !!

@cvitre23
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INITIAL CLIMB (FMS SID)
AP: ON
VNAV: OFF
FMC PAGE: LEGS
DO YOU HAVE NAVIGRAPH DATA INSTALLED?: NO
AUTOPILOT: FLC 220KTS , NAV, ALT=13000
CTD#1: DEPARTURE LEMD rwy36L. PASSING 9800ft 1st small freeze (1s) then back on desktop
CTD#2: DEPARTURE LEMD rwy36R. PASSING 9800ft 1st small freeze (1s) then back on desktop

Always around the same exact altitude !!

////SEEMS TO BE FIXED////

I reinjected via SIMBRIEF the FPL without SID/STAR (start with DCT, ends with DCT) ........ no more CTD !!

@cvitre23
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cvitre23 commented Dec 20, 2020

CRUISE LEVEL (FL400)
AP: ON
VNAV: ON
FMC PAGE: LEGS
DO YOU HAVE NAVIGRAPH DATA INSTALLED?: NO
AUTOPILOT: M0.66 , NAV, VALT

After 10' of perfect flight (V0.8.1) ...... CTD !!!
I've desinstall A32NX + G1000 + G3000 in case off !

It's really disapointed because works well for 5 flights

@dga711
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dga711 commented Dec 20, 2020

Is there any way to pinpoint the livery in conflict? Although i think that i havent installed any liveries between working and not-working flights.....

@e4rthdog any livery that contains a panel.cfg that doesn't carry over our changes to panel.cfg will kill FADEC

@Bas756
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Bas756 commented Dec 20, 2020

VERSION MOD CJ4 0.8.1 G1000 3.2
PHASE OF FLIGHT: during Climb after the take-off RWY19 EBBR
AP ON/OFF: AP on
VNAV ON/OFF: VNAV off
WHAT FMC PAGE: Legs
WHAT AUTOPILOT MODES (FMA): NAV / VS
DO YOU HAVE NAVIGRAPH DATA INSTALLED?: yes AIRAC
DESCRIPTION OF THE EVENT - WHAT WERE YOU DOING/WHAT WAS THE PLANE DOING WHEN IT OCCURRED: seems there was ATC call probable a Handoff from the Tower, just hear a crack, and the screen freezes, and than CTD

@inphinitum
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inphinitum commented Dec 21, 2020

Got another CTD, this time I was better prepared to gather input

PHASE OF FLIGHT: Climb, shortly after departure
AP ON/OFF: On
VNAV ON/OFF: Off
WHAT FMC PAGE: TUNE
WHAT AUTOPILOT MODES (FMA): LNV1, FLC <240, ALTS
DO YOU HAVE NAVIGRAPH DATA INSTALLED?: Yes
DESCRIPTION OF THE EVENT - WHAT WERE YOU DOING/WHAT WAS THE PLANE DOING WHEN IT OCCURED: Just normal departure, I had switched from VS to FLC a bit before the crash.

Crash dump

These are taken right before the CTD:
PFC
FMC

@cvitre23
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PHASE OF FLIGHT: INITIAL CLIMB
AP ON/OFF: OFF
VNAV ON/OFF: Off
WHAT FMC PAGE: LEGS
WHAT AUTOPILOT MODES (FMA): ROLL / hdg
DO YOU HAVE NAVIGRAPH DATA INSTALLED?: Yes
DESCRIPTION OF THE EVENT - WHAT WERE YOU DOING/WHAT WAS THE PLANE DOING WHEN IT OCCURED: Just normal departure RWY18 @ysrn - RWY HDG - Just after rotation maybe 50ft/100ft

https://gofile.io/d/tAxiy4

@cvitre23
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cvitre23 commented Dec 21, 2020

Fresh one ....

PHASE OF FLIGHT: INITIAL CLIMB
AP ON/OFF: ON
VNAV ON/OFF: ON
WHAT FMC PAGE: LEGS
WHAT AUTOPILOT MODES (FMA): LNV1/FLVC
DO YOU HAVE NAVIGRAPH DATA INSTALLED?: Yes
DESCRIPTION OF THE EVENT - WHAT WERE YOU DOING/WHAT WAS THE PLANE DOING WHEN IT OCCURED: Just normal departure RWY15 @LICR- CDC5F - passing 4000ft ....... a crack/freeze...... then CTD
I use REX WF2020 + ALTITUDE 1.10.2b

https://gofile.io/d/mDbR7w

@zhdtak
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zhdtak commented Dec 22, 2020

PHASE OF FLIGHT: Climb
AP ON/OFF: On
VNAV ON/OFF: Off
WHAT FMC PAGE: Legs, CTD happened when switching to Perf
WHAT AUTOPILOT MODES (FMA): NAV FLC
DO YOU HAVE NAVIGRAPH DATA INSTALLED?: Yes
GPU NVIDIA OR AMD?: Nvidia
SCENERIES INSTALLED?: None close but I have LOWI and that was my destination
DESCRIPTION OF THE EVENT - WHAT WERE YOU DOING/WHAT WAS THE PLANE DOING WHEN IT OCCURED: Climbing out of LFMN and CTD when switching from Legs to Perf page on FMC.

@zhdtak
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zhdtak commented Dec 22, 2020

PHASE OF FLIGHT: Climb
AP ON/OFF: CTD when turning on
VNAV ON/OFF: Off
WHAT FMC PAGE: Perf
WHAT AUTOPILOT MODES (FMA): NAV Pitch
DO YOU HAVE NAVIGRAPH DATA INSTALLED?: Yes
GPU NVIDIA OR AMD?: Nvidia
SCENERIES INSTALLED?: KPDX scenery
DESCRIPTION OF THE EVENT - WHAT WERE YOU DOING/WHAT WAS THE PLANE DOING WHEN IT OCCURED: Take off from KPDX. CTD when engaging AP at 2000 ft

@inphinitum
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PHASE OF FLIGHT: Initial climb
AP ON/OFF: On
VNAV ON/OFF: Off
WHAT FMC PAGE: Legs
WHAT AUTOPILOT MODES (FMA): NAV, FLC
DO YOU HAVE NAVIGRAPH DATA INSTALLED?: No (I removed the Navigraph folder within the community folder to see if it made a difference), but other files that Navigraph might put in the system during installation would be there (outside of the community folder)
GPU NVIDIA OR AMD?: Nvidia 3090
SCENERIES INSTALLED?: None close or in the route
DESCRIPTION OF THE EVENT - WHAT WERE YOU DOING/WHAT WAS THE PLANE DOING WHEN IT OCCURED: Just straight climb, took a picture just before the CTD (see below). Only other addon I use: Altitude 1.10.2b. No other content in the community folder.

Crash dump: https://gofile.io/d/HJu683

image

@Nyunibird
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PHASE OF FLIGHT: Initial Climb
AP ON/OFF: On
VNAV ON/OFF: Off
WHAT FMC PAGE: LEGS
WHAT AUTOPILOT MODES (FMA): LNAV1 ALTS
DO YOU HAVE NAVIGRAPH DATA INSTALLED?: Yes
GPU NVIDIA OR AMD?: Nvidia 1080TI, driver vers 460.89
SCENERIES INSTALLED?: ORBX London City, ORBX London Landmarks
DESCRIPTION OF THE EVENT - WHAT WERE YOU DOING/WHAT WAS THE PLANE DOING WHEN IT OCCURED: Departed London City EGLC from rwy 09 on the ENKIV1H departure. Leveled off at 3000 and 210 knots with AP engaged. (Climb to 3000 was via FLC 210 and aircraft transitioned into ALTC and then ALTS) Just passing LCE02 on the departure, while the aircraft was turning in LNAV mode toward the next waypoint, CTD. Was completely hands-off with the aircraft at the time, wasn't pressing any buttons or twiddling knobs, etc.

Crash dump: https://gofile.io/d/iEN5Ou

@cvitre23
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PHASE OF FLIGHT: CLIMB - passing FL300 (→FL400)
AP ON/OFF: On
VNAV ON/OFF: ON
WHAT FMC PAGE: LEGS
WHAT AUTOPILOT MODES (FMA): LNAV1/VNFL
DO YOU HAVE NAVIGRAPH DATA INSTALLED?: Yes (2013 rev.5)
GPU NVIDIA OR AMD?: Nvidia 2066, driver vers 460.89
SCENERIES INSTALLED?: none
DESCRIPTION OF THE EVENT - WHAT WERE YOU DOING/WHAT WAS THE PLANE DOING WHEN IT OCCURED: Departed from YWKB inbd BORTO suddenly around FL300 .....CTD

Crash dump: https://gofile.io/d/bgoU5N

@inphinitum
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PHASE OF FLIGHT: Climb
AP ON/OFF: On
VNAV ON/OFF: On
WHAT FMC PAGE: Tune
WHAT AUTOPILOT MODES (FMA): nav, flc
DO YOU HAVE NAVIGRAPH DATA INSTALLED?: yes
GPU NVIDIA OR AMD?: Nvidia
SCENERIES INSTALLED?: none in the vicinity
DESCRIPTION OF THE EVENT - WHAT WERE YOU DOING/WHAT WAS THE PLANE DOING WHEN IT OCCURED: climbing over 30000 ft, not interacting with the plane at the moment of crash.

Full crash dump (22GB): https://gofile.io/d/pq1N7o

@inphinitum
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inphinitum commented Dec 25, 2020

Some new findings on my end: TrackIR seems to be causing my CTDs with the CJ4 v0.8.x. I've now tried multiple times:

  • With TrackIR app open -> CTD happens always, usually during initial climb
  • With TrackIR app closed -> no CTD

Edit: I suspect it's not necessarily TrackIR per se, but some conflict with my USB devices. Sometimes the pedals get disconnected and I have to re-plug them a couple of times for Windows to recognise them, but this only happens if TrackIR is active. However, with other planes these struggles don't result in a CTD.

Edit2: I've now crashed without TrackIR, but I moved around devices to different USB ports (to see if there was a compatibility issue).

PHASE OF FLIGHT: Climb
AP ON/OFF: On
VNAV ON/OFF: On
WHAT FMC PAGE: Tune
WHAT AUTOPILOT MODES (FMA): Nav, vflc
DO YOU HAVE NAVIGRAPH DATA INSTALLED?: yes
GPU NVIDIA OR AMD?: Nvidia
SCENERIES INSTALLED?: ENVA
DESCRIPTION OF THE EVENT - WHAT WERE YOU DOING/WHAT WAS THE PLANE DOING WHEN IT OCCURED: I wasn't interacting with the plane.

Other mods installed: wt g3000, portHH1.1
Other addons running: Altitude 1.10.2b, SimConnectServer

Full crash dump: https://gofile.io/d/efwFwE

@GertBFrobe
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GertBFrobe commented Dec 25, 2020 via email

@jdeyrieux
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Not sure if it's the same case of you but I have detected interactions between MSFS/TrackIR/Mouse clic when I turn on left or right my head during a moment. I have 3 screens, left for Skyvector/Windy/...., right for OnAir, central for MSFS. Right have MSFS external popup windows as Comm or Navigation.
It seems that sometimes when I clic, cockpit interaction is triggered ....

@Larodian
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Larodian commented Dec 26, 2020

PHASE OF FLIGHT: Departure
AP ON/OFF: Yes
VNAV ON/OFF: OFF
WHAT FMC PAGE: Fltpln
WHAT AUTOPILOT MODES (FMA): NAV, FLC
DO YOU HAVE NAVIGRAPH DATA INSTALLED?: No
GPU NVIDIA OR AMD?: Nvidia
SCENERIES INSTALLED?: NO
DESCRIPTION OF THE EVENT - WHAT WERE YOU DOING/WHAT WAS THE PLANE DOING WHEN IT OCCURED: Departing KLNK, gear up, have VS set to 2000fpm till 2000 ft, engaged flc and set climb thrust. Cant remember alt but below 10000ft. CTD 10th time. Same situation. Test flight in Europe, worked fine. No 3rd party livery and still CTD
File: https://gofile.io/d/jK8T0J

@PauloG01
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PHASE OF FLIGHT: Climb
AP ON/OFF: ON
VNAV ON/OFF: OFF
WHAT FMC PAGE: FLPLN
WHAT AUTOPILOT MODES (FMA): NAV
DO YOU HAVE NAVIGRAPH DATA INSTALLED?: NO
GPU NVIDIA OR AMD?: NVIDIA
SCENERIES INSTALLED?: NO
DESCRIPTION OF THE EVENT - WHAT WERE YOU DOING/WHAT WAS THE PLANE DOING WHEN IT OCCURED: ATC just gave me FL280 and i was settting it. Departing from MMCS, at 15.000.
Its my second CTD with version 0.8, the first was at KLAS as i was at the runway to takeoff

@sdflyer001
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PHASE OF FLIGHT: Climb
AP ON/OFF: ON
VNAV ON/OFF: OFF
WHAT FMC PAGE: PERFORMANCE FUEL
WHAT AUTOPILOT MODES (FMA): NAV
DO YOU HAVE NAVIGRAPH DATA INSTALLED?: NO
GPU NVIDIA OR AMD?: NVIDIA
SCENERIES INSTALLED?: NO
DESCRIPTION OF THE EVENT - Departing KASE southwest passing 18000 ft climbing 21000 CTD

@sdflyer001
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forgot to mention i used FLC for climb

@DamaxusAwe
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2 CTDs today, both departing KBMI enroute to KTEB
PHASE OF FLIGHT: Climb
AP ON/OFF: ON
VNAV ON/OFF: OFF
WHAT FMC PAGE: Index
WHAT AUTOPILOT MODES (FMA): NAV
DO YOU HAVE NAVIGRAPH DATA INSTALLED?: NO
GPU NVIDIA OR AMD?: NVIDIA
SCENERIES INSTALLED?: NO
DESCRIPTION OF THE EVENT: Both very similar. Departed KBMI, CTDs both within about 5 minutes of departure. VS at 2000 fpm, power still at TO. One flight was a flight plan created by Little Navmap, then modified in MSFS, the other was a flight plan created by Simbrief then modified in MSFS. Exact same points in both plans. Changing the departure point from a runway to a parking spot changes the plan. All MSFS points deleted, LNM points manually added at the MSFS world screen. In Sim, KTEB approach added, then legs modified to delete un-needed points. No incongruities in the plan. However, not doing the import from LNM/Simbrief, and manually setting up the plan in MSFS, then making the changes in sim in the MCDU does not cause a CTD. I think it has something to do with an imported plan.

@inphinitum
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inphinitum commented Dec 27, 2020

PHASE OF FLIGHT: Approach
AP ON/OFF: On
VNAV ON/OFF: on
WHAT FMC PAGE: legs
WHAT AUTOPILOT MODES (FMA): nav, vnav
DO YOU HAVE NAVIGRAPH DATA INSTALLED?: yes
GPU NVIDIA OR AMD?: nvidia
SCENERIES INSTALLED?: none in the vicinity
DESCRIPTION OF THE EVENT - WHAT WERE YOU DOING/WHAT WAS THE PLANE DOING WHEN IT OCCURED: I was changing the brightness of the central panel using the mouse.

Crash dump (full): link

@rasmulisone
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PHASE OF FLIGHT: Cruise
AP ON/OFF: On
VNAV ON/OFF: Off
WHAT FMC PAGE: Approach ref page 2 (speeds)
WHAT AUTOPILOT MODES (FMA): LNAV, ALT, YD
DO YOU HAVE NAVIGRAPH DATA INSTALLED?: No
GPU NVIDIA OR AMD?: Nvidia GTX 1660
SCENERIES INSTALLED?: Many, including near my departure airport (LDSP) and my arrival airport (LFMN), but not near where the crash happened (slightly less than halfway through)
DESCRIPTION OF THE EVENT - WHAT WERE YOU DOING/WHAT WAS THE PLANE DOING WHEN IT OCCURED: I had put the approach weather stuff into the FMC and after clicking on "send" to send the Vapp and Vref speeds to the PFD (or whatever it's called), the game froze and about 10 seconds later crashed.

@dbingham8
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PHASE OF FLIGHT: Takeoff
AP ON/OFF: Off
VNAV ON/OFF: OFF
WHAT FMC PAGE: Legs
WHAT AUTOPILOT MODES (FMA): NAV, FLC
DO YOU HAVE NAVIGRAPH DATA INSTALLED?: No
GPU NVIDIA OR AMD?: Nvidia
SCENERIES INSTALLED?: none in the vicinity
DESCRIPTION OF THE EVENT - WHAT WERE YOU DOING/WHAT WAS THE PLANE DOING WHEN IT OCCURED: Just departed from KSEZ Rwy21, about 300' agl. MSFS flightplan, manually entered into FMC. Had not done anything yet other than retract gear.
FlightSimulator.exe.4624.zip

@cvitre23
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PHASE OF FLIGHT: Initial Climb
AP ON/OFF: ON
VNAV ON/OFF: ON
WHAT FMC PAGE: LEGS
WHAT AUTOPILOT MODES (FMA): NAV/VFPC
DO YOU HAVE NAVIGRAPH DATA INSTALLED?: YES
GPU NVIDIA OR AMD?: NVIDIA
SCENERIES INSTALLED?: NO
DESCRIPTION OF THE EVENT - Departing LOWI/08 passing 8500 ft climbing FL160 CTD

crash dump: https://gofile.io/d/dw2f2H

@inphinitum
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PHASE OF FLIGHT: Initial climb
AP ON/OFF: On
VNAV ON/OFF: Off
WHAT FMC PAGE: Tune
WHAT AUTOPILOT MODES (FMA): nav, vs
DO YOU HAVE NAVIGRAPH DATA INSTALLED?: yes
GPU NVIDIA OR AMD?: nvidia
SCENERIES INSTALLED?: none in the vicinity
DESCRIPTION OF THE EVENT - WHAT WERE YOU DOING/WHAT WAS THE PLANE DOING WHEN IT OCCURED: Departing from OIZH. At the time I was not interacting with the airplane.

Full crash dump: link

@martynbrinton
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Since the latest release and the updated G3000 I no longer have any CTDs

@odourboy
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odourboy commented Dec 30, 2020

CTD with 8.3b-beta3
PHASE OF FLIGHT:climb
AP ON/OFF:on
VNAV ON/OFF:off
WHAT FMC PAGE:legs
WHAT AUTOPILOT MODES (FMA):NAV, FLC
DO YOU HAVE NAVIGRAPH DATA INSTALLED?:whatever is default with MSFS
DESCRIPTION OF THE EVENT - WHAT WERE YOU DOING/WHAT WAS THE PLANE DOING WHEN IT OCCURED: Arrival/departure set in world map, flight loaded on runway, ready-for-takeoff (I get a CTD every time I start this way). PHNL to PHLI. CTD occurred seconds after selecting FLC for climb.

Wrong link initially... updated:
Crash Dump Link: https://drive.google.com/file/d/1Ft-bdRxTCbKoxCFZ4r6_AmzAtobiHEyT/view?usp=sharing

@nARN
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nARN commented Jan 4, 2021

TL/DR: I hope I have a repro. Confirmed with a friend who has a clean installation of the sim with no mods other than this one.

I have experienced CTDs pretty consistently when flying IFR from various places. It looks like some sort of a conflict between FMS plan and the plan in the sim. At least I have never had CTDs flying VFR (in sim) with a flight plan (in FMS), or vice-versa (IFR in sim with no flight plan in FMS). It does not seem to really matter whether I import the plan from the sim, or set it up manually in FMS. Although it feels like if I import the plan from the sim it is less likely to crash, it's more a gut feeling, than properly collected statistics.

All crashes occur early in the flight, before reaching the cruising altitude. Autopilot does not seem to matter. I have once flown the whole climb manually without touching any AP settings and still crashed. Matching the plan that the sim has does not seem to matter, although if the plan in FMS is for a completely different route between another two airports it does not seem to crash (I only tried a couple times, so it may also be pure luck)

Although I have tried and crashed many times in other conditions, here's an apparent repro, which I confirmed with a friend, who had a CTD even before he retracted the gear:

  • In flight setup (main menu)
    • Setup a flight in sim from EGWU to EGYM
    • Choose IFR High-altitude
    • Select runway 25 for departure if not already
    • The suggested route will be, SID ROMEO -> KOBBI -> BPK -> BKY -> EGYM (Direct)
    • Start the flight
  • In the aircraft:
    • FPLN page: Set ORIGIN to EGWU, DEST to EGYM
    • DEP/ARR: Rwy 25, ROMEO
    • Press EXEC
    • Enable NAV
    • Take off (can crash here)
    • (do as you please with AP, does not seem to affect results)
    • Keep talking to ATC
  • You should not get past KOBBI (as per the original plan in the simulator, check in the VFR map). If you did, it probably won't crash. In my case the probability of a CTD is roughly 90%. In my friend's case the probability is, eh... 100% - one out of one :)

Not uploading any crash dumps as I have by now forgotten which one is from what situation. But I can generate more, if needed.

Fields for a formal report:

PHASE OF FLIGHT: Initial Climb
AP ON/OFF: ON/OFF
VNAV ON/OFF: OFF
WHAT FMC PAGE: VARIOUS
WHAT AUTOPILOT MODES (FMA): NAV + (PITCH or FLC or VS), or no modes at all
DO YOU HAVE NAVIGRAPH DATA INSTALLED?: NO
GPU NVIDIA OR AMD?: NVIDIA
SCENERIES INSTALLED?: NO

@dga711
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dga711 commented Jan 4, 2021

@nARN thanks for the detailed report
in our discord we have a channel running tests with a few people who ctd regularly.

please try this version https://drive.google.com/file/d/1WNBQ1SECP4wqau-_RiMDGV72IyoIvTV5 if it helps your case

@nARN
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nARN commented Jan 5, 2021

Thanks, @dga711. I tried and flew most of the routes I had regular crashes with, including a few times the one I described above. There have been no crashes at all with this version.

@dga711
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dga711 commented Jan 5, 2021

@nARN Sounds great. The coming update will have these and more changes to stuff we think could induce more regular CTDs. We'll see how that goes ;)

@dga711 dga711 closed this as completed Feb 2, 2021
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