Fix test cases for Azure Linux (#4152)

* Fix test cases for Azure Linux

* Handle review comments

* Fix circular dependency

* Fix CI issues

* Fix ci issue

Author: bhagyapathak

lisa/features/serial_console.py

@@ -63,6 +63,10 @@ class SerialConsole(Feature):
         # more NUMA nodes on AMD processors.
         # The call trace is annoying but does not affect correct operation of the VM.
         re.compile(r"(.*RIP: 0010:topology_sane.isra.*)$", re.MULTILINE),
+        re.compile(
+            r".*EFI stub:.*FIRMWARE BUG: kernel image not aligned on 64k boundary.*",
+            re.IGNORECASE,
+        ),
     ]
 
     # Patterns for extracting error codes from panic messages

lisa/microsoft/testsuites/stress/tlb_stress.py

@@ -11,7 +11,7 @@
 from lisa.executable import Tool
 from lisa.messages import TestStatus, send_sub_test_result_message
 from lisa.testsuite import TestResult
-from lisa.tools import Dmesg
+from lisa.tools import Chmod, Dmesg, Mkdir
 from lisa.util import LisaException, UnsupportedDistroException
 
 if TYPE_CHECKING:
@@ -714,7 +714,8 @@ def _deploy_tlb_program(self) -> None:
         remote_node = cast(RemoteNode, self.node)
 
         # Create working directory
-        self.node.execute(f"mkdir -p {self._work}", sudo=True)
+        self.node.tools[Mkdir].create_directory(self._work, sudo=True)
+        self.node.tools[Chmod].chmod(path=self._work, permission="777", sudo=True)
 
         # Get the C program from the same directory
         c_program_path = Path(__file__).parent / "tlb_flush_stress.c"

lisa/tools/modprobe.py

@@ -8,7 +8,7 @@
 from typing import Any, Dict, List, Optional, Type, Union
 
 from lisa.executable import CustomScript, CustomScriptBuilder, ExecutableResult, Tool
-from lisa.tools import Cat, Dhclient
+from lisa.tools import Cat, Chown, Dhclient
 from lisa.tools.dmesg import Dmesg
 from lisa.tools.journalctl import Journalctl
 from lisa.tools.kernel_config import KLDStat
@@ -207,6 +207,12 @@ def reload(
             include_output=True,
         )
 
+        original_user = self.node.tools[Whoami].get_username()
+        if original_user:
+            self.node.tools[Chown].change_owner(
+                file=Path(loop_process_pid_file_name), user=original_user
+            )
+
         cat = self.node.tools[Cat]
         tried_times: int = 0
         timer = create_timer()