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KSP hangs and brings my computer down with it after starting

waterlubber
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waterlubber

waterlubber

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I can't get any luck with my computers today. First Minecraft, now KSP.

:(:(

Anyway, when I started up KSP, it loaded fine. I clicked start game, and KSP froze right when "Resume Saved" and "Start New Game" were coming onto the screen, somewhere in the middle. My computer locked up and I couldn't Ctrl+Alt+F1 to a terminal, either. Please help, this really stinks as this is my last day of break and I've already had it with this stupid computer.

- - - Updated - - -

Here's KSP.log:

http://pastebin.com/Z5V4MKPu

Here's Player.log:

https://www.dropbox.com/s/4k22sq5mf1yc7zg/Player.log?dl=0

Edited by waterlubber
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steve_v

steve_v

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That Player.log just ends, with no usefull information in it at all.

Can you get system logs (via SSH?)?

What happened to Minecraft? something similar?

Were the keyboard LEDs flashing (kernel panic)?

Do the magic SysRq keys work? (Ctrl-Alt-SysRq-k etc.)

I see you have an AMD card... With catalyst v13.35 driver, yes? Others have had similar issues with AMDs driver, might be worth investigating other/newer/beta versions or trying the open-source radeon driver (performance will probably suffer though).

IME, lockups like this are usually a: hardware b: kernel bugs or c: GPU drivers. My money's on the last one.

Edited by steve_v
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waterlubber

waterlubber

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I think it is the drivers, sadly, the opensource ones are the slowest things ever. Ha, they make me look like a good programmer at the rate they run. The kernal seemed like it wasn't dying, but other than that, it seems hopeless for me until I can get a new GPU.

Seemed to be caused by the catalyst control center.

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  • 2 weeks later...
waterlubber

waterlubber

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Well, I looked at xorg.log and there was no sign of KSP. This is definatly an unmodded issue. I forgot to mention my graphics card. It's a Sapphire HD 7700 Ghz. Is it alright if I report the thread to get a mods attention for moval? Is moval a word?

I wont be able to access my computer this weekend but I can still answer questions.

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steve_v

steve_v

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I looked at xorg.log and there was no sign of KSP.

FWIW, such hints are more likely to be in the form of an oops from the GPU driver, either kernel-side or the Xorg glx client.

With NVIDIA you tend to get something like: "NVRM: Xid <error-code>" but I'm not sure what output the AMD driver produces.

From what I've gathered, the AMD Linux driver is a right mess at the moment, though some have reported improvements with the latest release.

You appear to be running the 13.x series, which is pretty old now, so it might be worth trying the latest offering from AMD.

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Green Baron

Green Baron

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I tried. AMD is so poor the drivers appear to be incompatible with eachother. (Core, main and amdcccle). I cant install more than one at a time.

Don't really know what to do at this point other than return the card.

Old drivers must be removed completely ... sorry, but could that be the problem ? There is a comprehensive installation guide (or link) on the AMD-Site.

You can have different drivers for different gpus (e.g. Intel HD and AMD).

If your dealer takes the card back try to switch to the competitor ...

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sal_vager

sal_vager

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Can you post logs from an unmodded install please Waterlubber so there's no confusion over log entries, also as Steve says the log just ends, KSP isn't crashing internally and writing an error, it's like the process just dies.

Are you running any custom global settings in the catalyst control centre? If you are forcing anti aliasing for example that could be causing instability with Unity.

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waterlubber

waterlubber

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I give up. AMD, you win. Hooray for you, you've successfully designed the single worst piece of software ever made. If I had a cat, it could program better than you. Aren't you wonderful?

[/rant]

I've tried literally everything. I can't go back to the FOSS drivers because, well, 3 fps doesn't count as playing KSP. I could get better on *integrated*.

player.log was 100% empty because I wiped it before starting...

Tried AMD compat mode, removed all traces of old drivers and completely reinstalled new ones...

I officially declare:

AMD FGLRX DRIVERS ON LINUX WITH HD7700 CARD ARE COMPLETELY AND UTTERLY INCOMPATIBLE WITH KSP.

(I'm really going to miss it. *sob*)

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steve_v

steve_v

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Does anyone know of a way to completely reset my graohics drivers?

Depends on how you installed them, and what you want to 'reset' them to.

If installed from the package manager (or by creating packages from the executable .run file), simply remove the packages... and be prepared to reinstall GPU drivers (fglrx-driver or xserver-xorg-video-ati?) with apt / aptitude from the console if you need to.

If the driver install mucked with /etc/X11/xorg.conf you may need to remove it (make a backup first) and (possibly) recreate it with eg. 'X -configure'. 'startx' will complain helpfully if xorg.conf references missing drivers, try with no xorg.conf first as most drivers are autodetected.

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waterlubber

waterlubber

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I installed via Settings -> Software and Updates -> Additional Drivers -> fglrx, which seems to be controlling the drivers. Not sure if I manually uninstall fglrx, etc. would it fix it. Other games run okay-ish, even in wine, so this is exclusive to KSP

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steve_v

steve_v

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IIRC, the 'additional drivers' gizmo is just a frontend to 'apt-get install <driver>'. Uninstalling them (either with apt or "Additional Drivers") will put you back on the open-source radeon driver. KSP probably won't crash anymore, but performance will suck (it's getting better though) as it doesn't support all the features of the GPU.

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pxi

pxi

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What are your system specs? How big is your swap file?

One thing that linux really doesn't like is running out of swap space, and unlike Windows it doesn't tend to automagically allocate more swap when it runs short. If/when that happens you're generally going to see a lock up.

Just another variable it's worth eliminating. You could probably ssh in from another box and run free on a loop to keep an eye on it.

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steve_v

steve_v

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If you run out of RAM / swap, the kernel will invoke the OOM killer. That code's pretty well sorted now, and it even makes a reasonable guess as to what to kill to free some RAM. IME running out of RAM just results in a horribly slow system for a few seconds, followed by the offending process vanishing :)

I'ts a valid point though, how much system RAM do you have?

FWIW, I have no swap space at all & it's never caused any lockups for me - even when I broke unitys' GC and KSP leaked to 10+GB...

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pxi

pxi

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If you run out of RAM / swap, the kernel will invoke the OOM killer. That code's pretty well sorted now, and it even makes a reasonable guess as to what to kill to free some RAM. IME running out of RAM just results in a horribly slow system for a few seconds, followed by the offending process vanishing :)

I'ts a valid point though, how much system RAM do you have?

FWIW, I have no swap space at all & it's never caused any lockups for me - even when I broke unitys' GC and KSP leaked to 10+GB...

Hmm, perhaps my information is out of date, I'm certainly happy to be corrected however.

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