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authorChristian Krinitsin <mail@krinitsin.com>2025-07-06 16:43:19 +0000
committerChristian Krinitsin <mail@krinitsin.com>2025-07-06 16:43:19 +0000
commit238ec2b7cc1557d6f34c33cc482e4d0cd3e266dd (patch)
treecd8a1b75ba7b3543eb7fe6857f408e7be4d9fd0b /results/classifier/gemma3:27b/instruction/2302
parent96049c939b1916d80532630d63c14e04d5244f1d (diff)
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+
+
+qemu-x86_64 crashes with "Illegal Instruction" on SPECCPU2017 Benchmarks
+Description of problem:
+I am running qemu-x86_64 with SPEC CPU 2017 benchmarks, and the compiled benchmarks such as Perlbench will crash unexpectedly. I have changed to three other machines to run it and still get crashes on two of them, I don't know what's the problem and want some help.
+Steps to reproduce:
+1. Compile SPEC CPU 2017 basic Perlbench binary. 
+2. Use the above command line to run it.
+Additional information:
+I have added some debugging flags to qemu-x86_64 to test it. The "-d in_asm" flag gives me the instructions before the crash like this:
+```
+----------------
+IN: Perl_lex_start
+0x555555678a79:  48 89 83 a8 00 00 00     movq     %rax, 0xa8(%rbx)
+0x555555678a80:  e9 01 ff ff ff           jmp      0x555555678986
+
+----------------
+IN: Perl_lex_start
+0x555555678986:  48 8b 50 10              movq     0x10(%rax), %rdx
+0x55555567898a:  41 83 e4 16              andl     $0x16, %r12d
+0x55555567898e:  48 89 93 d0 00 00 00     movq     %rdx, 0xd0(%rbx)
+0x555555678995:  48 89 93 c0 00 00 00     movq     %rdx, 0xc0(%rbx)
+0x55555567899c:  62                       .byte    0x62
+
+qemu: uncaught target signal 4 (Illegal instruction) - core dumped
+Illegal instruction (core dumped)
+```