Re: Server Status Thread
by jorb » Sun Sep 20, 2015 9:29 am
... and the server has been running smoothly ever since? lol.
"The psychological trials of dwellers in the last times will be equal to the physical trials of the martyrs. In order to face these trials we must be living in a different world."
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-- Hieromonk Seraphim Rose
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Re: Server Status Thread
by Strandmullen » Sun Sep 20, 2015 1:08 pm
jorb wrote:... and the server has been running smoothly ever since? lol.
The bug has become self-aware and will remain in the shadows until it can strike again without being noticed.
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Re: Server Status Thread
by Strandmullen » Sun Sep 20, 2015 4:09 pm
Just spent 30 minutes fencing in a bear, and the server dies...
I hope the bug will show itself this time.
I hope the bug will show itself this time.
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Re: Server Status Thread
by The_Lich_King » Sun Sep 20, 2015 4:09 pm
The bug strikes again. call jorb fire up a couple of drones this is war gentlemen
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Re: Server Status Thread
by loftar » Sun Sep 20, 2015 4:26 pm
Actually, this last crash was just an "ordinary" bug. There was a simple bug with the battering ram, which is now fixed.
And yes, indeed, 'tis actually quite interesting. It's not that unusual for debugging techniques to perturb away a bug of an unknown nature, of course, but given the nature of the debugging technique, it seems to leave me with little choice but to think that the actual bug is not a double-free problem, but rather a use-after-free problem, which does surprise me quite a bit given the nature of the effects I was seeing. It should be easy enough to test once I adapt the debugging code, anyway.
Just in case anyone of the more technically inclined are interested, the debugging technique I am using is a fairly simple malloc-wrapper which lets chunks "lie fallow" for some time after being freed before being actually reclaimed, along with a tag-word to detect double frees. It looks like this. I figure I should be rather easily able to detect use-after-free bugs by filling the fallow chunks with static data and check so that that data is still intact once the block is reclaimed.
jorb wrote:... and the server has been running smoothly ever since? lol.
And yes, indeed, 'tis actually quite interesting. It's not that unusual for debugging techniques to perturb away a bug of an unknown nature, of course, but given the nature of the debugging technique, it seems to leave me with little choice but to think that the actual bug is not a double-free problem, but rather a use-after-free problem, which does surprise me quite a bit given the nature of the effects I was seeing. It should be easy enough to test once I adapt the debugging code, anyway.
Just in case anyone of the more technically inclined are interested, the debugging technique I am using is a fairly simple malloc-wrapper which lets chunks "lie fallow" for some time after being freed before being actually reclaimed, along with a tag-word to detect double frees. It looks like this. I figure I should be rather easily able to detect use-after-free bugs by filling the fallow chunks with static data and check so that that data is still intact once the block is reclaimed.
"Object-oriented design is the roman numerals of computing." -- Rob Pike
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Re: Server Status Thread
by g1real » Sun Sep 20, 2015 6:49 pm
DEAD
The amount of times I've logged in and had a server crash within minutes...
The amount of times I've logged in and had a server crash within minutes...
loftar: The inner chaos of the Jorbian mind is hard to conceal. 
jorb: It's called creative license. You know, that thing you seem to want to apply to logic, grammar and coherence?
jorb: It's called creative license. You know, that thing you seem to want to apply to logic, grammar and coherence?
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Re: Server Status Thread
by spawningmink » Sun Sep 20, 2015 6:50 pm
oops.........
ChildhoodObossite wrote:I actually lowkey admire Frosty, sometimes he can be a really cool guy
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Re: Server Status Thread
by HarryDresden » Sun Sep 20, 2015 6:53 pm
The one time I get a chance to play in the past week, of course it dies. My bad guys, I'm sorry. I'll take the hit for this one.
Get your Harry Dresden Voodoo Dolls and Practice Targets!
Get your Harry Dresden Voodoo Dolls and Practice Targets!
Yes, I am a Wizard.
loftar wrote: bear fruit is not something I can predict,.
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