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The mozilla/rr debugger doesn't work on Ryzen CPUs - https://github.com/mozilla/rr/issues/2034 https://github.com/mozilla/rr/issues/2034 (rr stands for Record

The mozilla/rr debugger doesn't work on Ryzen CPUs - https://github.com/mozilla/rr/issues/2034 https://github.com/mozilla/rr/issues/2034 (rr stands for Record and Replay Framework, it's a gdb extension which allows for reverse execution)

p_l 7y ago
Interesting that GDB had its own "time travel" support for longer that afaik works on AMD. Will have to see what rr brings to the table.
- unmole 7y ago
  GDB's recording is extremely limited. It doesn't even work on multi threaded programs.
  - roca 7y ago
    It's also about 1000x slowdown during recording, where rr is < 2x.