https://bugs.freedesktop.org/show_bug.cgi?id=105251
--- Comment #75 from deltasquared ds2.bugs.freedesktop@gmail.com --- After compiling mesa-git on commit 0661c357c60 from the AUR pkgbuild, I can now confirm my system seems to have become impervious to the above "vega_crasher" program.
Output from said program after resizing and moving vega_crasher's window a bit, in case it was important:
L CALLBACK: type = 0x8251, severity = 0x826b, message = LLVM diagnostic (remark): <unknown>:0:0: 9 instructions in function GL CALLBACK: type = 0x8251, severity = 0x826b, message = Shader Stats: SGPRS: 16 VGPRS: 24 Code Size: 52 LDS: 0 Scratch: 0 Max Waves: 10 Spilled SGPRs: 0 Spilled VGPRs: 0 PrivMem VGPRs: 0 GL CALLBACK: type = 0x8251, severity = 0x826b, message = LLVM diagnostic (remark): <unknown>:0:0: 12 instructions in function GL CALLBACK: type = 0x8251, severity = 0x826b, message = Shader Stats: SGPRS: 16 VGPRS: 8 Code Size: 92 LDS: 0 Scratch: 0 Max Waves: 10 Spilled SGPRs: 0 Spilled VGPRs: 0 PrivMem VGPRs: 0 GL CALLBACK: type = 0x8251, severity = 0x826b, message = Shader Stats: SGPRS: 16 VGPRS: 24 Code Size: 44 LDS: 0 Scratch: 0 Max Waves: 10 Spilled SGPRs: 0 Spilled VGPRs: 0 PrivMem VGPRs: 0 GL CALLBACK: type = 0x8251, severity = 0x826b, message = Shader Stats: SGPRS: 16 VGPRS: 8 Code Size: 80 LDS: 0 Scratch: 0 Max Waves: 10 Spilled SGPRs: 0 Spilled VGPRs: 0 PrivMem VGPRs: 0 GL CALLBACK: type = 0x8251, severity = 0x826b, message = LLVM diagnostic (remark): <unknown>:0:0: 2 instructions in function GL CALLBACK: type = 0x8251, severity = 0x826b, message = LLVM diagnostic (remark): <unknown>:0:0: 3 instructions in function GL CALLBACK: type = 0x8251, severity = 0x826b, message = LLVM diagnostic (remark): <unknown>:0:0: 4 instructions in function GL CALLBACK: type = 0x8251, severity = 0x826b, message = Shader Stats: SGPRS: 16 VGPRS: 24 Code Size: 44 LDS: 0 Scratch: 0 Max Waves: 10 Spilled SGPRs: 0 Spilled VGPRs: 0 PrivMem VGPRs: 0 GL CALLBACK: type = 0x8251, severity = 0x826b, message = Shader Stats: SGPRS: 16 VGPRS: 8 Code Size: 136 LDS: 0 Scratch: 0 Max Waves: 10 Spilled SGPRs: 0 Spilled VGPRs: 0 PrivMem VGPRs: 0 GL CALLBACK: type = 0x8251, severity = 0x826b, message = LLVM diagnostic (remark): <unknown>:0:0: 16 instructions in function GL CALLBACK: type = 0x8251, severity = 0x826b, message = Shader Stats: SGPRS: 24 VGPRS: 24 Code Size: 92 LDS: 0 Scratch: 0 Max Waves: 10 Spilled SGPRs: 0 Spilled VGPRs: 0 PrivMem VGPRs: 0 GL CALLBACK: type = 0x8251, severity = 0x826b, message = Shader Stats: SGPRS: 24 VGPRS: 24 Code Size: 88 LDS: 0 Scratch: 0 Max Waves: 10 Spilled SGPRs: 0 Spilled VGPRs: 0 PrivMem VGPRs: 0
Minetest will take longer to test as the pkgbuild doesn't enable asserts, and also because of adformentioned $dayjob. I guess in that case I'd only know if I saw garbled output; it was never very consistent when it occured but would always be during the loading bar screen (but when it did happen some very colourful blocky corruption would result).