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I want to understand is the UN and D process state is the same? During the analysis of vmcore (crash dump) I have found lots of UN state processes.

And when I googled it I hardly found any document on the UN state but found D state document.

Can someone please let me know if UN and D state is the same?

OS is Redhat 7

104      2   6  ffff8817ee65a400  **UN**   0.0       0      0  [sync_supers]
14678      1   9  ffff8810854d8440  **UN**   0.1  535472 157188  ohasd.bin
14803      1  20  ffff8828b6ebe5c0  **UN**   0.0  372100  34420  evmd.bin
mnille
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Ashish
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    I've never seen `**UN**`. My guess is that means it means "undefined", and whatever you are using to output it can't interpret the bit pattern. So either your output program is incomplete, or the internal structures are screwed up. – dirkt Oct 10 '19 at 04:10
  • This is found during the crash dump analysis – Ashish Oct 10 '19 at 05:46
  • Is this state is same as D state? – Ashish Oct 10 '19 at 05:50

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