What are some other reasons for process being in D state except performing I/O?

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I have been recently asked this question during interview, "What is D state and when does process goes in D state. I explained what D state is and then gave the answer that when the process is performing I/O operation that is when its in D state.



The interviewer (its on of the high tech companies in the world) said that there is other reason when process goes in D state, what reason could that be, but I couldn't think of anything else.



This answer When a process will go to 'D' state? also explains its usually I/O which sends a process in D state, which I understand clearly.



Can someone please tell me what are some other reasons for process being in D state except performing I/O?






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    up vote
    2
    down vote

    favorite












    I have been recently asked this question during interview, "What is D state and when does process goes in D state. I explained what D state is and then gave the answer that when the process is performing I/O operation that is when its in D state.



    The interviewer (its on of the high tech companies in the world) said that there is other reason when process goes in D state, what reason could that be, but I couldn't think of anything else.



    This answer When a process will go to 'D' state? also explains its usually I/O which sends a process in D state, which I understand clearly.



    Can someone please tell me what are some other reasons for process being in D state except performing I/O?






    signals







    share|improve this question























      up vote
      2
      down vote

      favorite









      up vote
      2
      down vote

      favorite











      I have been recently asked this question during interview, "What is D state and when does process goes in D state. I explained what D state is and then gave the answer that when the process is performing I/O operation that is when its in D state.



      The interviewer (its on of the high tech companies in the world) said that there is other reason when process goes in D state, what reason could that be, but I couldn't think of anything else.



      This answer When a process will go to 'D' state? also explains its usually I/O which sends a process in D state, which I understand clearly.



      Can someone please tell me what are some other reasons for process being in D state except performing I/O?






      signals







      share|improve this question













      I have been recently asked this question during interview, "What is D state and when does process goes in D state. I explained what D state is and then gave the answer that when the process is performing I/O operation that is when its in D state.



      The interviewer (its on of the high tech companies in the world) said that there is other reason when process goes in D state, what reason could that be, but I couldn't think of anything else.



      This answer When a process will go to 'D' state? also explains its usually I/O which sends a process in D state, which I understand clearly.



      Can someone please tell me what are some other reasons for process being in D state except performing I/O?






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      asked 12 mins ago









      MaverickD

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