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authorChristian Krinitsin <mail@krinitsin.com>2025-07-03 19:39:53 +0200
committerChristian Krinitsin <mail@krinitsin.com>2025-07-03 19:39:53 +0200
commitdee4dcba78baf712cab403d47d9db319ab7f95d6 (patch)
tree418478faf06786701a56268672f73d6b0b4eb239 /results/classifier/deepseek-r1:14b/output/hypervisor/2258
parent4d9e26c0333abd39bdbd039dcdb30ed429c475ba (diff)
downloademulator-bug-study-dee4dcba78baf712cab403d47d9db319ab7f95d6.tar.gz
emulator-bug-study-dee4dcba78baf712cab403d47d9db319ab7f95d6.zip
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+
+Breakpoint setting not working on apple Mac host
+Description of problem:
+1. When use with parameter "-machine virt,accel=hvf -cpu host" to run launch a emulator, it can't set breakpoint and will report error: "warning: failed to set breakpoint site at 0xffff800081bf03cc for breakpoint 1.1: error: 34 sending the breakpoint request"
+but if not use with parameter "-machine virt -cpu cortex-a57",The breakpoint can be set successfully.
+
+2. Set hardware breakpoint with lldb command "breakpoint set -H -a 0xFFFF800080000000" not report error, but can't hint breakpoint. I try set breakpoint on a old x86 MacOS, It will hint breakpoint successfully.
+
+3. I also try run qemu-system-x86_64 emulator on apple silicon mac, It also can't hint hardware breakping. The command is:
+```
+qemu-system-x86_64 -machine q35,accel=tcg -smp cpus=8  \
+  -kernel arch/x86/boot/bzImage \
+  -append "okaslr"\
+  -nographic -serial mon:stdio \
+  -m 16G \
+  -s -S
+```
+Steps to reproduce:
+1. Launch qemu on Apple silicon Mac. Remember to user "hvf" 
+2. Launch lldb or gdb to set breakpoint.
+3. Set breakpoint and hardware breakpoint.
+4. resume to run qemu by lldb.
+Additional information:
+