diff --git a/dbms/src/IO/tests/gtest_aio_seek_back_after_eof.cpp b/dbms/src/IO/tests/gtest_aio_seek_back_after_eof.cpp
index b65c7c0c5d6..35c2db70564 100644
--- a/dbms/src/IO/tests/gtest_aio_seek_back_after_eof.cpp
+++ b/dbms/src/IO/tests/gtest_aio_seek_back_after_eof.cpp
@@ -6,17 +6,28 @@
 #include <port/unistd.h>
 #include <IO/ReadBufferAIO.h>
 #include <fstream>
+#include <string>
 
 namespace
 {
 std::string createTmpFileForEOFtest()
 {
     char pattern[] = "/tmp/fileXXXXXX";
-    char * dir = ::mkdtemp(pattern);
-    return std::string(dir) + "/foo";
+    if (char * dir = ::mkdtemp(pattern); dir)
+    {
+        return std::string(dir) + "/foo";
+    }
+    else
+    {
+        /// We have no tmp in docker
+        /// So we have to use root
+        std::string almost_rand_dir = std::string{"/"} + std::to_string(rand()) + "foo";
+        return almost_rand_dir;
+    }
+
 }
 
-void prepare_for_eof(std::string & filename, std::string & buf)
+void prepareForEOF(std::string & filename, std::string & buf)
 {
     static const std::string symbols = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
 
@@ -28,7 +39,7 @@ void prepare_for_eof(std::string & filename, std::string & buf)
     for (size_t i = 0; i < n; ++i)
         buf += symbols[i % symbols.length()];
 
-    std::ofstream out(filename.c_str());
+    std::ofstream out(filename);
     out << buf;
 }
 
@@ -39,7 +50,7 @@ TEST(ReadBufferAIOTest, TestReadAfterAIO)
     using namespace DB;
     std::string data;
     std::string file_path;
-    prepare_for_eof(file_path, data);
+    prepareForEOF(file_path, data);
     ReadBufferAIO testbuf(file_path);
 
     std::string newdata;
diff --git a/docker/test/unit/Dockerfile b/docker/test/unit/Dockerfile
index 5d947938852..ae5ea1820b0 100644
--- a/docker/test/unit/Dockerfile
+++ b/docker/test/unit/Dockerfile
@@ -3,6 +3,7 @@ FROM yandex/clickhouse-stateless-test
 
 ENV TZ=Europe/Moscow
 RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
+RUN apt-get install gdb
 
 CMD ln -s /usr/lib/llvm-8/bin/llvm-symbolizer /usr/bin/llvm-symbolizer; \
     echo "TSAN_OPTIONS='halt_on_error=1 history_size=7'" >> /etc/environment; \
@@ -12,4 +13,4 @@ CMD ln -s /usr/lib/llvm-8/bin/llvm-symbolizer /usr/bin/llvm-symbolizer; \
     echo "TSAN_SYMBOLIZER_PATH=/usr/lib/llvm-8/bin/llvm-symbolizer" >> /etc/environment; \
     echo "LLVM_SYMBOLIZER_PATH=/usr/lib/llvm-6.0/bin/llvm-symbolizer" >> /etc/environment; \
     service zookeeper start && sleep 7 && /usr/share/zookeeper/bin/zkCli.sh -server localhost:2181 -create create /clickhouse_test ''; \
-    /unit_tests_dbms | tee test_output/test_result.txt
+    gdb -q  -ex 'set print inferior-events off' -ex 'set confirm off' -ex 'set print thread-events off' -ex run -ex bt -ex quit --args ./unit_tests_dbms | tee test_output/test_result.txt