suspended task deletion program stops and does not switch to another task

[rohank27696]

Board = ESP32
version = 1.0.6

CODE

/////////////////////////////////////////////////////////////////////////////////////////////////////////////////
#if CONFIG_FREERTOS_UNICORE
static const BaseType_t app_cpu = 0 ;
#else
static const BaseType_t app_cpu = 1;
#endif

//const char msg[] = "qwerty is aqsws"; //STATEMENT - 1
const char msg[] = "qwqwmqkqkw kkwmdkwdksd ksmdksmdks ksmdksmd"; //STATEMENT - 2
//static const int led_pin = 2;

//TAsk Handlers
static TaskHandle_t task_1 = NULL;
static TaskHandle_t task_2 = NULL;

void startTask1( void *parameters)
{
int msg_len = strlen(msg);

while(1)
{
Serial.println();
for(int i =0 ; i < msg_len ;i++)
{
Serial.print(msg[i]);
}
Serial.println();
vTaskDelay(1000 / portTICK_PERIOD_MS);
}
}

void startTask2( void *parameters)
{

while(1)
{
Serial.print('*');
vTaskDelay(100 / portTICK_PERIOD_MS);
}
}

void setup() {
// put your setup code here, to run once:
// pinMode( led_pin ,OUTPUT );
Serial.begin(300);

vTaskDelay(1000 / portTICK_PERIOD_MS);

Serial.println("----FREE RTOS DEMO ----");

Serial.println("setup and loop task running on core ");
Serial.print(xPortGetCoreID());
Serial.print(" with priority ");
Serial.println(uxTaskPriorityGet(NULL));

//task to run forever
xTaskCreatePinnedToCore( //USE xTaskCreate() in vanilla FreeRTOS
startTask1, //Function to be called
"Task 1", //NAME of Task
1024, //Stack Size ( bytes in esp32 ,words in vanilla)
NULL, //Parameters to pass to function,
1, //Task priority ( 0 to configMAX_priorites(25 for esp32 ) -1 i.e 0 to 24)
&task_1, //parameters to pass to functions
app_cpu); //Run on One Core for demo purpose

xTaskCreatePinnedToCore( //USE xTaskCreate() in vanilla FreeRTOS
startTask2, //Function to be called
"Task 2", //NAME of Task
1024, //Stack Size ( bytes in esp32 ,words in vanilla)
NULL, //Parameters to pass to function,
2, //Task priority ( 0 to configMAX_priorites(25 for esp32 ) -1 i.e 0 to 24)
&task_2, //parameters to pass to functions
app_cpu); //Run on One Core for demo purpose
}

void loop() {
// put your main code here, to run repeatedly:

for( int i = 0 ; i < 3 ; i++ )
{
vTaskSuspend(task_2);
vTaskDelay(2000 / portTICK_PERIOD_MS);
vTaskResume(task_2);
vTaskDelay(2000 / portTICK_PERIOD_MS);

}

if( task_1 != NULL ){
vTaskDelete(task_1);
task_1 =NULL;
}

}

/////////////////////////////////////////////////////////////////////////////////////////////////////////////////

Problem :
when statement 1 is selected program run smoothly i.e task 2 keeps printing "*" continously after deletion of task 1,
but if statement 2 is selected program gets stuck .
whats happens if suspended task is deleted in free rtos?