diff --git a/conan/profiles/sanitizers b/conan/profiles/sanitizers
index 6af5565bcb..7fb59a8250 100644
--- a/conan/profiles/sanitizers
+++ b/conan/profiles/sanitizers
@@ -32,6 +32,7 @@ include(default)
             {% set sanitizer_flags = "-fsanitize=" ~ ",".join(sanitizer_list) ~ " " ~ model_code %}
 
             tools.build:cxxflags+=['{{sanitizer_flags}} {{" ".join(extra_cxxflags)}}']
+            tools.build:cflags+=['{{sanitizer_flags}} -fno-omit-frame-pointer -O1']
             tools.build:sharedlinkflags+=['{{sanitizer_flags}}']
             tools.build:exelinkflags+=['{{sanitizer_flags}}']
             tools.build:defines+={{defines}}
@@ -61,6 +62,7 @@ include(default)
             {% set sanitizer_flags = "-fsanitize=" ~ ",".join(sanitizer_list) %}
 
             tools.build:cxxflags+=['{{sanitizer_flags}} {{" ".join(extra_cxxflags)}}']
+            tools.build:cflags+=['{{sanitizer_flags}} -fno-omit-frame-pointer -O1']
             tools.build:sharedlinkflags+=['{{sanitizer_flags}}']
             tools.build:exelinkflags+=['{{sanitizer_flags}}']
             tools.build:defines+={{defines}}
@@ -68,7 +70,7 @@ include(default)
     {% endif %}
 {% endif %}
 
-tools.info.package_id:confs+=["tools.build:cxxflags", "tools.build:exelinkflags", "tools.build:sharedlinkflags", "tools.build:defines"]
+tools.info.package_id:confs+=["tools.build:cxxflags", "tools.build:cflags", "tools.build:exelinkflags", "tools.build:sharedlinkflags", "tools.build:defines"]
 
 [options]
 {% if sanitizers %}
diff --git a/sanitizers/suppressions/tsan.supp b/sanitizers/suppressions/tsan.supp
index 1a8566d41e..993cb6cc08 100644
--- a/sanitizers/suppressions/tsan.supp
+++ b/sanitizers/suppressions/tsan.supp
@@ -42,6 +42,13 @@ deadlock:boost::asio
 # Requires a larger lock-ordering redesign to fix properly.
 deadlock:RCLConsensus
 
+# Lock-order-inversion in LedgerReplay subsystem.
+# LedgerDeltaAcquire::notify() calls LedgerReplayTask::deltaReady() while
+# holding LedgerDeltaAcquire's mutex, which then acquires LedgerReplayTask's
+# mutex. The reverse order also occurs. Pre-existing design issue.
+deadlock:LedgerReplayTask
+deadlock:LedgerDeltaAcquire
+
 # Signal/crash suppressions for GCC TSAN instrumentation issues
 signal:std::__cxx11::basic_stringbuf
 signal:basic_stringbuf