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13:53:36
Shinmera
so bizarre, the audio thread keeps running but the render thread runs into an exception with 5.1 audio
14:13:12
SAL9000
Shinmera: that was a WIP last time I looked; currently only the windows stack unwind weirdness is decoded :(
14:15:36
Shinmera
At least this time I got a memfault in the audio thread rather than anything else.
14:17:51
SAL9000
yeah. I've mostly used x64dbg for dealing with "there is no stack" situations... staring at asm/hex dumps trying to figure out which function it is by inspection, etc.
14:17:57
Shinmera
there's some stuff in the new channel conversion that does something akin to this, but I'd think it should be good
14:24:07
Shinmera
running /just/ a harmony server that just continuously outputs empty volume does not trigger the fault.
14:38:44
Shinmera
sbcl shows a frame for 6A2E52B5 after a bogus frame as the trace on the erroring thread
14:39:30
SAL9000
Shinmera: not necessarily pointless to attach early; at least x64dbg (dunno about gdb) lets you ignore the GC "segfault" exceptions
14:39:44
SAL9000
might be a property of $dayjob's system rather than windows, though; I wouldn't know
14:42:28
SAL9000
thus the segfault would become a "different" kind of segfault which the debugger would trip on
14:45:24
Shinmera
what's weird is that x64dbg does not show the frame for that address SBCL reports.
14:46:21
Shinmera
libmixed is largely platform independent, if this were an issue it would have to show up elsewhere too
14:47:48
SAL9000
Shinmera: try right clicking the x64dbg stack tab; there's something to the effect of "show things that LOOK like stack frames"
14:48:14
SAL9000
sorry, not the stack TAB itself -- the *body* of the stack tab i.e. the list of frames
14:55:17
Shinmera
has a call to emutls_get_address, I suppose to get the thread variable address or something?
14:56:48
Shinmera
okey, so buffer_request_read fails and tries to set the error code, and that somehow fails
14:58:34
Colleen
arxiv.org/abs/2010.15068 Website (HTML), Title: [2010.15068] Quantum control with a multi-dimensional Gaussian quantum invariant