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tbogdala avatar tbogdala commented on June 20, 2024

I put the cms_trace.txt file onto pastebucket: http://goo.gl/uGl99o

Edit: Also, I'll try to debug it a bit if that would help, though few tips as to why thread_stack would be empty or nil would help.

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geoffleyland avatar geoffleyland commented on June 20, 2024

On 14/02/2014, at 4:47 am, Timothy Bogdala [email protected] wrote:

I put the cms_trace.txt file onto pastebucket: http://goo.gl/uGl99o

Have you renamed resume, or are you calling resume from C?

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tbogdala avatar tbogdala commented on June 20, 2024

Nope, I just double checked. Checked all the lua scripts in the game and checked the C code for the wrappers. A grep for resume doesn't have any results.

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geoffleyland avatar geoffleyland commented on June 20, 2024

Odd. Never mind. Try now. It just uses -1 as a thread ID if you're you've yielded off the top of the thread stack. Hopefully it won't muck the call stack up, but I'm a bit pressed to think about it too hard.

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geoffleyland avatar geoffleyland commented on June 20, 2024

Did the latest commit work for you? If so, could you close this issue? Thanks.

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tbogdala avatar tbogdala commented on June 20, 2024

Sorry, I haven't tried it yet and will do so this weekend.

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tbogdala avatar tbogdala commented on June 20, 2024

lua: /usr/local/share/lua/5.1/luatrace/profile.lua:168: attempt to index local 'caller' (a nil value)
stack traceback:
/usr/local/share/lua/5.1/luatrace/profile.lua:168: in function 'play_return'
/usr/local/share/lua/5.1/luatrace/profile.lua:243: in function 'record'
/usr/local/share/lua/5.1/luatrace/trace_file.lua:138: in function 'read'
/usr/local/share/lua/5.1/luatrace/profile.lua:466: in function 'go'
(command line):1: in main chunk
[C]: ?

For what it's worth:

  1. my game is written in C
  2. the game loads an initial main.lua files that sets callbacks for update/draw/input events
  3. these callbacks are invoked with lua_pcall()

I uploaded the newest cms_trace.txt file here:
http://animal-machine.com/static/temp/cms_trace.txt

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tbogdala avatar tbogdala commented on June 20, 2024

I did a little debugging with zbstudio and did some investigation when play_return() gets called with a null caller parameter.

Callee looks like:

{current_line = {child_time = 92009.501, file = {filename = "scripts/client_main.lua", functions = {[99] = {{child_time = 0, hits = 1, last_line_defined = 149, line_defined = 99, name = "scripts/client_main.lua:99-149", self_time = 1.515, source_file = nil}}, [153] = {{child_time = 91979.417, hits = 1, last_line_defined = 155, line_defined = 153, name = "scripts/client_main.lua:153-155", self_time = 0.685, source_file = nil}}, [158] = {{child_time = 0, hits = 1, last_line_defined = 168, line_defined = 158, name = "scripts/client_main.lua:158-168", self_time = 4.617, source_file = nil}}}, lines = {[147] = {child_time = 0, file = nil, hits = 1, line_number = 147, self_time = 0.186}, [148] = {child_time = 0.681, file = nil, hits = 1, line_number = 148, self_time = 1.285}, [149] = {child_time = 0, file = nil, hits = 1, line_number = 149, self_time = 0.044}, [153] = {child_time = 0, file = nil, hits = 1, line_number = 153, self_time = 0.108}, [154] = {child_time = 91979.417, file = nil, hits = 1, line_number = 154, self_time = 0.548}, [155] = {child_time = 0, file = nil, hits = 1, line_number = 155, self_time = 0.029}, [158] = {child_time = 0, file = nil, hits = 1, line_number = 158, self_time = 2.104}, [159] = {child_time = 0, file = nil, hits = 1, line_number = 159, self_time = 0.244}, [160] = {child_time = 0, file = nil, hits = 1, line_number = 160, self_time = 0.29}, [163] = {child_time = 0, file = nil, hits = 1, line_number = 163, self_time = 0.196}, [164] = {child_time = 8.395, file = nil, hits = 1, line_number = 164, self_time = 0.847}, [165] = {child_time = 1.607, file = nil, hits = 1, line_number = 165, self_time = 0.582}, [167] = nil}}, hits = 1, line_number = 167, self_time = 0.354}, func = nil, func_child_time_at_start = 0, func_self_time_at_start = 0, func_start_time = 17.406, line_child_time_at_start = 0, line_self_time_at_start = 0.354, line_start_time = 32.025, protected = false} --[[table: 0x7fac737225d0]] --[[incomplete output with shared/self-references skipped]]

If I move up the stack to profile.record, it's in the Yield portion (elseif a=='Y') of the if statement and in the else branch of the thread_stack.top <= 0 check.

Some locals:

i = 1
stack.top = 0
thread[1] =
{current_line = {child_time = 92009.501, file = {filename = "scripts/client_main.lua", functions = {[99] = {{child_time = 0, hits = 1, last_line_defined = 149, line_defined = 99, name = "scripts/client_main.lua:99-149", self_time = 1.515, source_file = nil}}, [153] = {{child_time = 91979.417, hits = 1, last_line_defined = 155, line_defined = 153, name = "scripts/client_main.lua:153-155", self_time = 0.685, source_file = nil}}, [158] = {{child_time = 0, hits = 1, last_line_defined = 168, line_defined = 158, name = "scripts/client_main.lua:158-168", self_time = 4.617, source_file = nil}}}, lines = {[147] = {child_time = 0, file = nil, hits = 1, line_number = 147, self_time = 0.186}, [148] = {child_time = 0.681, file = nil, hits = 1, line_number = 148, self_time = 1.285}, [149] = {child_time = 0, file = nil, hits = 1, line_number = 149, self_time = 0.044}, [153] = {child_time = 0, file = nil, hits = 1, line_number = 153, self_time = 0.108}, [154] = {child_time = 91979.417, file = nil, hits = 1, line_number = 154, self_time = 0.548}, [155] = {child_time = 0, file = nil, hits = 1, line_number = 155, self_time = 0.029}, [158] = {child_time = 0, file = nil, hits = 1, line_number = 158, self_time = 2.104}, [159] = {child_time = 0, file = nil, hits = 1, line_number = 159, self_time = 0.244}, [160] = {child_time = 0, file = nil, hits = 1, line_number = 160, self_time = 0.29}, [163] = {child_time = 0, file = nil, hits = 1, line_number = 163, self_time = 0.196}, [164] = {child_time = 8.395, file = nil, hits = 1, line_number = 164, self_time = 0.847}, [165] = {child_time = 1.607, file = nil, hits = 1, line_number = 165, self_time = 0.582}, [167] = nil}}, hits = 1, line_number = 167, self_time = 0.354}, func = nil, func_child_time_at_start = 0, func_self_time_at_start = 0, func_start_time = 17.406, line_child_time_at_start = 0, line_self_time_at_start = 0.354, line_start_time = 32.025, protected = false} --[[table: 0x7fac737225d0]] --[[incomplete output with shared/self-references skipped]]

Does that help at all?

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