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-rw-r--r--README.md4
1 files changed, 4 insertions, 0 deletions
diff --git a/README.md b/README.md
index b1afe2b..443ec1a 100644
--- a/README.md
+++ b/README.md
@@ -71,6 +71,10 @@ capture-transforms --remote localhost:12345 --deterministic-log bug.rr.out -o or
 Note: the `rr replay` call prints the correct binary name to use when invoking `capture-transforms`,
 it also prints program output. As such, it should be invoked separately as a foreground process.
 
+Note: `rr record` may fail on Zen and Zen+ AMD CPUs. It is generally possible to continue using it
+by specifying flag `-F` but keep in mind that replaying may fail unexpectedly sometimes on such
+CPUs.
+
 Note: we currently do not support validating such programs on QEMU.
 
 ### Box64