[Bug 1054502] [NEW] man page dd - Sending USR1 signal

[Decembry Quentin]

Public bug reported:

I read this in the man page dd

       Sending a USR1 signal to a running `dd' process makes it print
I/O statistics to standard error and then resume copying.

              $ dd if=/dev/zero of=/dev/null& pid=$!
              $ kill -USR1 $pid; sleep 1; kill $pid

              18335302+0 records in 18335302+0 records out 9387674624
bytes (9.4 GB) copied, 34.6279 seconds, 271 MB/s

But when I tried 'kill -USR1 $pid; sleep 1; kill $pid', dd didn't
resume.

I correct it with

kill -USR1 $pid; sleep 1; kill -CONT $pid

I'm not sure it could be concidered as bug but the man page isn't
correct and it should be corrected

** Affects: coreutils (Ubuntu)
     Importance: Undecided
         Status: New

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Title:
  man page dd - Sending USR1 signal

Status in “coreutils” package in Ubuntu:
  New

Bug description:
  I read this in the man page dd

         Sending a USR1 signal to a running `dd' process makes it print
  I/O statistics to standard error and then resume copying.

                $ dd if=/dev/zero of=/dev/null& pid=$!
                $ kill -USR1 $pid; sleep 1; kill $pid

                18335302+0 records in 18335302+0 records out 9387674624
  bytes (9.4 GB) copied, 34.6279 seconds, 271 MB/s

  But when I tried 'kill -USR1 $pid; sleep 1; kill $pid', dd didn't
  resume.

  I correct it with

  kill -USR1 $pid; sleep 1; kill -CONT $pid

  I'm not sure it could be concidered as bug but the man page isn't
  correct and it should be corrected

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