0041-Ignore-cgroup-creation-errors.patch

From 2b6e41766dc946720a33a832bb4cfe59e9c1adfa Mon Sep 17 00:00:00 2001
From: Pierre-Hugues Husson <phh@phh.me>
Date: Wed, 18 Oct 2023 16:53:40 -0400
Subject: [PATCH 41/46] Ignore cgroup creation errors

For old kernels who don't have those modern cgroups
---
 core/jni/com_android_internal_os_Zygote.cpp               | 2 ++
 services/core/java/com/android/server/am/ProcessList.java | 5 -----
 2 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/core/jni/com_android_internal_os_Zygote.cpp b/core/jni/com_android_internal_os_Zygote.cpp
index 56066b2d813c..4ee3e92910d0 100644
--- a/core/jni/com_android_internal_os_Zygote.cpp
+++ b/core/jni/com_android_internal_os_Zygote.cpp
@@ -1806,10 +1806,12 @@ static void SpecializeCommon(JNIEnv* env, uid_t uid, gid_t gid, jintArray gids,
     if (!is_system_server && getuid() == 0) {
         const int rc = createProcessGroup(uid, getpid());
         if (rc != 0) {
+#if 0
             fail_fn(rc == -EROFS ? CREATE_ERROR("createProcessGroup failed, kernel missing "
                                                 "CONFIG_CGROUP_CPUACCT?")
                                  : CREATE_ERROR("createProcessGroup(%d, %d) failed: %s", uid,
                                                 /* pid= */ 0, strerror(-rc)));
+#endif
         }
     }
 
diff --git a/services/core/java/com/android/server/am/ProcessList.java b/services/core/java/com/android/server/am/ProcessList.java
index b0f77604319b..23ca22fc73f4 100644
--- a/services/core/java/com/android/server/am/ProcessList.java
+++ b/services/core/java/com/android/server/am/ProcessList.java
@@ -2433,14 +2433,9 @@ public final class ProcessList {
                         // If we're not told to skip the process group creation, go create it.
                         final int res = Process.createProcessGroup(uid, startResult.pid);
                         if (res < 0) {
-                            if (res == -OsConstants.ESRCH) {
                                 Slog.e(ActivityManagerService.TAG,
                                         "Unable to create process group for "
                                         + app.processName + " (" + startResult.pid + ")");
-                            } else {
-                                throw new AssertionError("Unable to create process group for "
-                                    + app.processName + " (" + startResult.pid + ")");
-                            }
                         } else {
                             app.mProcessGroupCreated = true;
                         }
-- 
2.34.1