"gametic>lowtic" when joining own server

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DoomishBurrito
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"gametic>lowtic" when joining own server

#1

Post by DoomishBurrito » Sun Jan 10, 2016 6:17 am

Hi, folks,

Hope everybody's having a great weekend. New here to the community. Running Zandronum (v2.1.2)/Doomseeker (v1.0-150322?) on Trisquel GNU/Linux 7.0 LTS. Trying to host a LAN game. Server starts just fine, and other computers on my network can join in. However, I can't seem to join myself on the same box.

Tried "connect 192.168.0.X" and "127.0.0.1" with and without the server port (tried 10666 and 10667) suffixed at the end but to no avail.

From the client, the only message you get in the console is "gametic>lowtic". From the server output, it simply says that the client (me) connected and then immediately disconnected. Tried blowing away my .ini thinking it was something weird I messed up in the config, but that didn't do anything for me unfortunately.

Tried searching for this here on the forum and elsewhere, didn't come up with much. I remember this worked just fine with the Windows binaries when I tried a couple years ago... haven't used it since then, and never in this operating system.

Thanks in advance!

DoomishBurrito
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RE: "gametic>lowtic" when joining own server

#2

Post by DoomishBurrito » Thu Jan 14, 2016 4:11 am

100 views and 0 replies... anybody want to give this one a shot? :)

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RE: "gametic>lowtic" when joining own server

#3

Post by Doomkid » Thu Jan 14, 2016 12:53 pm

The game is desynchronized, is there any chance your Zandronum client executable and server executable are from different versions? Is your client using a different DOOM2.wad than your server upon connecting? These are the only two things I can think of though, this one isn't seen often to my knowledge.. I hope this helps!
Last edited by Doomkid on Thu Jan 14, 2016 12:54 pm, edited 1 time in total.
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Bloax
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RE: "gametic>lowtic" when joining own server

#4

Post by Bloax » Fri Jan 15, 2016 12:55 am

The only other thing that I know of that could be causing such an error message is connecting to a passworded server with the incorrect password.
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RE: "gametic>lowtic" when joining own server

#5

Post by Arco » Fri Jan 15, 2016 5:39 am

Try this while offline and see if you can connect to servers after it is implemented:

Code: Select all

cl_clientflags 15
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DoomishBurrito
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RE: "gametic>lowtic" when joining own server

#6

Post by DoomishBurrito » Sat Jan 16, 2016 5:40 am

Sorry for the delay... the joys of working 40 hours a week - thanks for the replies, everyone! :) I'll just go through sequentially here and reply:
is there any chance your Zandronum client executable and server executable are from different versions? Is your client using a different DOOM2.wad than your server upon connecting?
Here's how I installed the game: http://zandronum.com/download#instubuntu I assume the server/client versions are compatible given this. Let me know if there are any version numbers I should be checking outside of what I put in the OP (and where to find them, I guess).

And as far as the wad goes, the client and the server are looking at the same wad file at the same place in my file system, so I don't think that's it either. :(
The only other thing that I know of that could be causing such an error message is connecting to a passworded server with the incorrect password.
Good to know for the future. I don't have a password set up however. It makes it confusing that other clients are able to connect just fine as well.
Try this while offline and see if you can connect to servers after it is implemented: (cl_clientflags 15)
It was set as 3 by default for me. Tried setting it to 15 but it made no difference. Bummer!

Is anyone else using GNU/Linux who can test? Wonder if it's some weird bug? Either that or I'm missing something really obvious.

One thing I haven't mentioned is that I'm using Brutal Doom v20b (so I'm loading ExtraTextures.wad, hellonearthstarterpack.wad, and brutalv20b.pk3). However, I don't think it's related to this, as 1) I can disable it/play vanilla Doom 2 and I still get the "gametic" error, and 2) with or without Brutal Doom loaded up other clients are able to join in and play just fine.

Thanks again, guys - if you have any other thoughts let me know. I'll keep dicking around with stuff and see if I can't figure out the issue.

Have a great weekend!

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RE: "gametic>lowtic" when joining own server

#7

Post by SwordGrunt » Sat Jan 16, 2016 9:02 am

I've never seen this before.

Does this only happen when joining your own server? If so, that's odd, I have very little knowledge of ubuntu (or any non-windows OS for that matter) so I have no idea what could be causing it. For some reason it's not properly syncing your client and server because they are on the same machine - why? I really hope someone with more ZDoom/Zandronum source knowledge sees this.

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RE: "gametic>lowtic" when joining own server

#8

Post by DoomishBurrito » Sun Jan 17, 2016 1:43 am

OK, folks, so a weird development for you: I had to do some computer maintenance today so I ended up reinstalling Trisquel.

Reinstall Zandronum/Doomseeker, same as before, have the same issue. This time I notice that the server executable is set to /usr/bin/zandronum, not /usr/bin/zandronum-server. I remember changing that before too, but this time I did and all works... except, lol: if I disconnect from my own server and try to rejoin, I get the "gametic" error. So I guess as long as I remain in my own server things are working fine. Weird, huh? If I shut down the server and join the "fresh" one then I can join in OK again.

btw, had a sibling try it (he uses Arch GNU/Linux) and it works for him as well... he can't get this error to trigger at all. Possibly operator error (I'm notorious at home and work [I'm an IT guy] for finding oddball bugs/breaking things hopelessly), but I'm not sure what I did differently this time. With both installs I left things totally vanilla settings-wise besides a couple of control scheme tweaks and a screen resolution change.

Anyway, thanks for your theories and recommendations - if there are any differences between the server executables programming-wise between the operating systems, one of the devs might want to take a few minutes to glance through them to make sure it's nothing messed up with the code.

If I can narrow down the issue more concretely on my end, I'll definitely post back here with my findings.

Take care and happy fragging!

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RE: "gametic>lowtic" when joining own server

#9

Post by Arco » Sun Jan 17, 2016 2:06 am

DoomishBurrito wrote: OK, folks, so a weird development for you: I had to do some computer maintenance today so I ended up reinstalling Trisquel.

Reinstall Zandronum/Doomseeker, same as before, have the same issue. This time I notice that the server executable is set to /usr/bin/zandronum, not /usr/bin/zandronum-server. I remember changing that before too, but this time I did and all works... except, lol: if I disconnect from my own server and try to rejoin, I get the "gametic" error. So I guess as long as I remain in my own server things are working fine. Weird, huh? If I shut down the server and join the "fresh" one then I can join in OK again.

btw, had a sibling try it (he uses Arch GNU/Linux) and it works for him as well... he can't get this error to trigger at all. Possibly operator error (I'm notorious at home and work [I'm an IT guy] for finding oddball bugs/breaking things hopelessly), but I'm not sure what I did differently this time. With both installs I left things totally vanilla settings-wise besides a couple of control scheme tweaks and a screen resolution change.

Anyway, thanks for your theories and recommendations - if there are any differences between the server executables programming-wise between the operating systems, one of the devs might want to take a few minutes to glance through them to make sure it's nothing messed up with the code.

If I can narrow down the issue more concretely on my end, I'll definitely post back here with my findings.

Take care and happy fragging!
Interesting. The probability of this being a bug with the engine on Linux is pretty high though, since I couldn't get this to happen on windows. That the Cl_clientflags flags didn't work for you suggests so. I'd make a report on the tracker with your findings.
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RE: "gametic>lowtic" when joining own server

#10

Post by DoomishBurrito » Sun Jan 17, 2016 3:25 am

Arco wrote: Interesting. The probability of this being a bug with the engine on Linux is pretty high though, since I couldn't get this to happen on windows. That the Cl_clientflags flags didn't work for you suggests so. I'd make a report on the tracker with your findings.
Will do - thanks!
Here's my tracker ticket if anyone's interested:
http://zandronum.com/tracker/view.php?id=2581

Regards
Oh, one other thing - if you cap the frame rate, the "gametic>lowtic" error happens and you are immediately booted from the server and are unable to join back in until you disable the cap again. :)
Last edited by DoomishBurrito on Sun Jan 17, 2016 3:55 am, edited 1 time in total.

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SwordGrunt
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RE: "gametic>lowtic" when joining own server

#11

Post by SwordGrunt » Sun Jan 17, 2016 6:35 am

http://zdoom.org/wiki/CVARs:Debug

Give some of those a try. I'd turn 'showloadtimes' (before joining the server) and 'ticker' on to see if anything unusual appears (the fps counter will work just as well I believe).

Interestingly enough, the Display CVars page mentions this:

vid_vsync (boolean) (Not Linux)
Default: false
Set this to false to disable syncing the frame rate to the vertical refresh rate. Not all video cards support disabling vsync, in which case this CVAR will be ignored.


Make sure it's set to false.

I'm really just trying to put pieces together for this. It's definitely a linux thing, but whether it's engine or graphics related is still unclear.
Last edited by SwordGrunt on Sun Jan 17, 2016 6:36 am, edited 1 time in total.

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RE: "gametic>lowtic" when joining own server

#12

Post by ZzZombo » Wed Jan 20, 2016 8:52 am

That gametic is a really low-level stuff, if it breaks for you it means you're a really lucky man. And BtW, zandronum-server IS different from zandronum, as it misses the some functionality such as rendering loop.
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