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CTD after hours of flying

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    CTD after hours of flying

    Just wondering if there are more people having CTD, it only happens after long time of flying (4 hours or more) the 737 in MSFS.
    With other planes no CTD.

    Greetings,

    Robert Koolstr.
    Robert Kools

    #2
    Originally posted by Roberto0203 View Post
    Just wondering if there are more people having CTD, it only happens after long time of flying (4 hours or more) the 737 in MSFS.
    With other planes no CTD.

    Greetings,

    Robert Koolstr.
    The longest flight I’ve made in the 737-700 is 4 hours and 17 minutes (KNBA - KPDX), plus about 15 minutes before flight in the sim setting things up in the FMC, and another 15 minutes after unloading the plane. No CTD or obvious framerate slowdown for me.

    Having said that, a lot of people point to things like Toolbar Pushback or potentially other mods that are creating memory leaks and causing crashes in some planes after long flight times. If you can, consider an experiment - try a long flight with no other mods or utilities running in the background to see if it makes a difference.
    Herb Schaltegger - Father, husband, lawyer, engineer & getting too old for this $#!t. Do Not Taunt Happy Fun Ball!TM.

    Comment


      #3
      Originally posted by Roberto0203 View Post
      Just wondering if there are more people having CTD, it only happens after long time of flying (4 hours or more) the 737 in MSFS.
      With other planes no CTD.

      Greetings,

      Robert Koolstr.
      There is a memory leak in MSFS and manifests mostly at long flights. Any 4+ flight with any plane can result in such issue. It had happened to me as well and was lucky that had some extra logging enabled at windows and was able to sent the dump log to Asobo. They confirmed they have found the issue as some kind of wrong memory allocation which will fix.
      Chris Makris (Olympic260)
      PMDG Technical Support
      http://www.pmdg.com

      Comment


      • Crabby
        Crabby commented
        Editing a comment
        Manaelixir I CAN happen not it WILL happen.

      • Manaelixir
        Manaelixir commented
        Editing a comment
        I've been testing since rolled back to the early PMDG 737-700, and five hours later,
        I still have no previous memory leak symptoms, no lag or CTD

      • Car147
        Car147 commented
        Editing a comment
        I had this the other day, fps suddenly fell through the floor 4hrs into the flight. but i managed to recover it. it had happened before some months ago, so this time i decided i was going to try some things to see if i could save the flight (Getting about 10fps or less) I don't know why but i thought what is common to these sort of issues, and i thought " Live Weather" So i switched from live weather to something like scattered cloud mid flight, and i don't know if i got lucky or something, but that was it. Suddenly back to my locked 30fps. It could be something, maybe worth a try if anyone else suffers from it.

        Clive Rose

      #4
      It only happens with Pmdg 737 not with Fenix and FBW
      Robert Kools

      Comment


      • Crabby
        Crabby commented
        Editing a comment
        Not true. It CAN happen, not it WILL happen.

      • Car147
        Car147 commented
        Editing a comment
        My above post with my experiance of it was in the Fenix A320, so i would think it can happen with any long flight.And i have also seen it with the FBW A320.

        Clive Rose

      • Vee One
        Vee One commented
        Editing a comment
        Robert, you're wrong. It happens a lot in my long flights with the FBW A320. Give time to time. MSFS will get better. People often times wrongfully blame the aircraft coders (aka PMDG, FBW, Fenix) for the CTD's when they don't have any idea of the numerous bugs in the base code of MSFS like the memory leak bug.

      #5
      Originally posted by Roberto0203 View Post
      It only happens with Pmdg 737 not with Fenix and FBW
      Hmmm.. This guy would not agree

      Originally posted by Karvala21, post:2574, topic:417613
      Every second or third flight with the Fenix a memory leak seems to occur which causes the memory requirements of the main MSFS process to more than double compared to any other aircraft I’ve seen, at which point it starts to encroach upon virtual memory and essentially hangs. This can only be fixed by killing the Fenix DRM app, killing MSFS and restarting MSFS from scratch.

      Comment


        #6
        I can confirm this happens with all sorts of planes, including default Asobo planes on SOME long flights, but not every single one. There are so many different variables that may drive the different behavior about why this isn't always easy to reproduce. None of us are able to fly exactly the same flights down to the same time with the same weather conditions, given those naturally change.
        *****************
        Michael Leung

        Comment


          #7
          Originally posted by Roberto0203 View Post
          It only happens with Pmdg 737 not with Fenix and FBW
          Nameless, please sign your posts as per rules.

          I had the same issue on a 5 hour flight with the FBW A320... Asobo confirmed there is an issue.... Because it has not happened to you it does not mean that it is not there and is not happening.
          Chris Makris (Olympic260)
          PMDG Technical Support
          http://www.pmdg.com

          Comment


            #8
            In the current state, memory leaks are not seen in the early version of 737. It is recommended that you roll back the previous version.
            Last edited by Manaelixir; 14Jun2022, 21:27.

            Comment


              #9
              Originally posted by Manaelixir View Post
              In the current state, memory leaks are not seen in the early version of 737. It is recommended that you roll back the previous version.
              Not true, I had the FPS falling off a cliff after 4-5hrs 'feature' in that version too.
              As has been stated a number of times and in other threads too, the issue is an Asobo one, and not a PMGD one.
              Steve Mel

              Comment


                #10
                Originally posted by Steve M View Post

                Not true, I had the FPS falling off a cliff after 4-5hrs 'feature' in that version too.
                As has been stated a number of times and in other threads too, the issue is an Asobo one, and not a PMGD one.
                You can think about it simply
                When all the various plane such as CRJ were tested, CTD through long flight was not found except for PMDG 737. The comment writer said that rollback does not solve the problem, but at least my case is very dramatically improved.

                1. The rollback to the previous version is considered one of the solutions that anyone with this symptom can try.

                2. If it is an Asobo problem, it is not too late to judge after confirming that this problem occurs in the aircraft of at least one other company (including Asobo).

                Comment


                  #11
                  Originally posted by Manaelixir View Post

                  You can think about it simply
                  When all the various plane such as CRJ were tested, CTD through long flight was not found except for PMDG 737. The comment writer said that rollback does not solve the problem, but at least my case is very dramatically improved.

                  1. The rollback to the previous version is considered one of the solutions that anyone with this symptom can try.

                  2. If it is an Asobo problem, it is not too late to judge after confirming that this problem occurs in the aircraft of at least one other company (including Asobo).
                  Nameless. I would put it simple. You do not have a clue on what you are saying. The crashes and mem leak started after SU9. It happens on ALL PLANES and can happen on ALL PLANES as I wrote but I guess you decided to ignore it. I had it on FBW A320 and Asobo confirmed it is an issue from there side....

                  So please set the conspiracy theories aside.... Thank you.
                  Chris Makris (Olympic260)
                  PMDG Technical Support
                  http://www.pmdg.com

                  Comment


                  • enhorabuena
                    enhorabuena commented
                    Editing a comment
                    This is a public forum for customers who pay a lot of money for product, and in having a forum, both negative and positive comments can occur...if you are an administrator, please act like one. I highly recommend a customer-service training class paid for by PMDG..your comments are seriously off-brand and archaic to the market we are in today.

                  #12
                  The fps drop off complaints have been going on since early 2021. Long before PMDG 737 was released. Check the MSFS forums.
                  There are 2800+ post on the subject

                  Comment


                    #13
                    There has definitely been a drop in sim performance (FPS, GPU usage) since SU9 but there have also been FPS drops after long flights almost since the sim launched in August 2020. And I personally had a CTD at the end of a 5 hour flight (KMIA to KPDX) back around December 2020 while I was on final with gear down at about 1,000' AGL. And boy, let me tell you I was quite pissed about it, too.

                    So there certainly may be some specific NEW cause for memory leaks related to SU9, or it may be that Chris happened to have his debug data tool churning during his crash and finally caught the root cause of something that SU9 may have made worse. but sim CTD after long flights is not new, sadly, and they are most certainly not specific to the PMDG 737.
                    Herb Schaltegger - Father, husband, lawyer, engineer & getting too old for this $#!t. Do Not Taunt Happy Fun Ball!TM.

                    Comment


                      #14
                      Speaking of CTD's ... I downloaded the updates today for WU X (updated POIs for the United States), tried to spawn into the new Gaya-designed Catalina in the Big Radials Goose (best flying boat/waterplane in the sim, btw), and had an immediate CTD right as I clicked on a parking space. This is my first CTD in probably six months.

                      But sure, go ahead and tell us how this is somehow PMDG's fault.
                      Herb Schaltegger - Father, husband, lawyer, engineer & getting too old for this $#!t. Do Not Taunt Happy Fun Ball!TM.

                      Comment


                        #15
                        Leaning tower of Pisa is PMDGs fault as well. They totally f'd that one up. That said I've had few CTDs with PMDG but not nearly as many as I expected given the instability of MSFS. Overall very stable experience. I can do 4-5 2-3 hour sectors back to back without restarts, reboots or crashes. Pleasantly surprised. Done 4-5 hour flights as well but I usually restart the sim after those.
                        Aleks Matrosov

                        Comment


                          #16
                          Chris Makris is right, can happen with every aircraft and recently happend to me with the Fenix A320 after a 8 hours flight (EGGD - GCLP - EGGD) without restarting the sim.

                          This is a bug within MSFS and Crabby pointet it out. It can happend, during longer flights (2 - 4 hours upwards) but it WILL happen eventually after a time. Settings/Weather and Photogrammetry is a part of this problem.

                          You can find a 2342km post at the MSFS Forum itself where people in different locations, aircraft and settings have the same problem.

                          Comment


                            #17
                            Then i was a little Lucky yesterday doing a ELLX->LPMA Flight.The online Problem was the Shut down of the Simulator afterwards.The Sim hung up at the "Return to Main" Menu Screen.
                            Ralf Zimmermann

                            Comment


                              #18
                              I just had my FIRST CTD. Flight form OKC-MCO just starting the STAR RNAV to RWY 36L MCO and the sim CTD'd. VERY irritating... it was a nice little flight until then... I hope it's not going to be a trend!!!
                              Last edited by Murf7413; 18Jun2022, 00:24.
                              Brian Murphy FSX- 747-400 / MD-11 / MSFS DC-6/ 737-700

                              Comment


                                #19
                                Originally posted by Roberto0203 View Post
                                Just wondering if there are more people having CTD, it only happens after long time of flying (4 hours or more) the 737 in MSFS.
                                With other planes no CTD.

                                Greetings,

                                Robert Koolstr.
                                Hi, it just happens to me too, when flying more than 1,000 miles (or 3/4 h); possibly my MSFS is a mind reader, and understand that I?m becoming bored :-)
                                Fulvio Arman
                                Fulvio Arman

                                Comment


                                  #20
                                  I should've not said anything since I totally jinxed it. Latest WU it's worse than alpha for me. Crash after crash all planes not just PMDG.
                                  Aleks Matrosov

                                  Comment


                                    #21
                                    Originally posted by cmakris View Post

                                    Nameless. I would put it simple. You do not have a clue on what you are saying. The crashes and mem leak started after SU9. It happens on ALL PLANES and can happen on ALL PLANES as I wrote but I guess you decided to ignore it. I had it on FBW A320 and Asobo confirmed it is an issue from there side....

                                    So please set the conspiracy theories aside.... Thank you.
                                    Just today I flew with 3 different planes - Redwing Connie, DCS F-16 and PMDG 737, and in all these three cases, my pc CTD after a couple of hour flying. Let's hope MSFS fix this bug. BTW, I didn't get any issue before this last update. Maybe it's just a coincidence, but I wanted to specify this occurrance.
                                    Fulvio Arman
                                    Fulvio Arman

                                    Comment


                                      #22
                                      I can't get through an entire flight over 4 hours without CTD now... pretty frustrating!! 😡 I hope Asobo gets this straightened out PDQ!!!!

                                      I have tried 3 flights today... only one that was successful, and it was 3 hours and 17 minutes!!!
                                      Last edited by Murf7413; 18Jun2022, 22:49.
                                      Brian Murphy FSX- 747-400 / MD-11 / MSFS DC-6/ 737-700

                                      Comment


                                        #23
                                        I had been getting CTD on long flights frustratingly often until I quit using pop out panels. Since I stopped doing that, not a one.

                                        Dustin Moss

                                        Comment


                                          #24
                                          I had just one CTD on a long flight with the BBJ (over 7 hours)...
                                          Other flights around 4-5 hours no issues until now.. Might be something with the area flying.
                                          Lets hope they solve it.
                                          Teofilo Homsany

                                          Comment


                                            #25
                                            Originally posted by cmakris View Post

                                            There is a memory leak in MSFS and manifests mostly at long flights. Any 4+ flight with any plane can result in such issue. It had happened to me as well and was lucky that had some extra logging enabled at windows and was able to sent the dump log to Asobo. They confirmed they have found the issue as some kind of wrong memory allocation which will fix.
                                            Chris did they give you any indication if the leak will be fixed for SU10?
                                            Harry Schraishuhn - System Builder

                                            I7-9700K @ 5Ghz, AORUS Z390 Master Motherboard, Corsair H100i AIO, AORUS 1080ti Xtreme, HyperX Predator 32GB, Samsung 1TB NVMe + 2 x 1TB SSD's, 27" LG 27GL850-B QHD Display, Cooler Master MasterCase H500, Cooler Master 1000 Watt PSU, Win10, Logitech X52 Pro

                                            Comment


                                              #26
                                              Originally posted by Oswald53 View Post

                                              Chris did they give you any indication if the leak will be fixed for SU10?
                                              No they said they will look to fix it with no details
                                              Chris Makris (Olympic260)
                                              PMDG Technical Support
                                              http://www.pmdg.com

                                              Comment


                                              • Murf7413
                                                Murf7413 commented
                                                Editing a comment
                                                Figures...

                                              #27
                                              Originally posted by Roberto0203 View Post
                                              Just wondering if there are more people having CTD, it only happens after long time of flying (4 hours or more) the 737 in MSFS.
                                              With other planes no CTD.

                                              Greetings,

                                              Robert Koolstr.
                                              For what it concerns me, and in my specific case, switching to OFF the LIVE WEATHER (since I always used to fly like that), things are going much better, with any type of plane.
                                              Fulvio Arman

                                              Comment


                                              • Steve M
                                                Steve M commented
                                                Editing a comment
                                                Yes, I have done that (plus the well known registry tweak), and now use REX Weather Force 2020 instead.
                                                Not had a single FPS slowdown or crash since on many 4-5hr flights in the 737.

                                              #28
                                              Robert,

                                              MSFS is not a very stable platform. Sorry to say, but I had several crashes with other high fidelity addon (as recently as yesterday on a 2 hour flight, but it was a big VATUK event) as well as with a default B748 that was slaved to PSX (this varies from first hour into a flight to 10th hour). But I noticed that recent update made the sim less smooth.

                                              IMHO, MSFS was not fully ready to be released. Currently it requires few updates to translate into a stable, "well oiled", sim. It will get there eventually.

                                              Cheers,
                                              Andrej Lippay

                                              Comment


                                                #29
                                                I think they fixed it now. There was a micro update yesterday or two days ago. And now it seems stable again. At least regular legs. Haven't tried BBJ routes yet.
                                                Aleks Matrosov

                                                Comment


                                                  #30
                                                  Originally posted by matrosov View Post
                                                  I think they fixed it now. There was a micro update yesterday or two days ago. And now it seems stable again. At least regular legs. Haven't tried BBJ routes yet.
                                                  Not for me.
                                                  I still have a huge FPS drop, after 2 hours when I started the sim in PMDG, Fenix, or any other aircraft.

                                                  Itay Levi
                                                  Itay Levi

                                                  PMDG: B73, B74, B77.

                                                  Comment

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