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Full Discussion: Orphaned process "D" state
Operating Systems Linux Red Hat Orphaned process "D" state Post 303034308 by Neo on Tuesday 23rd of April 2019 03:52:38 AM
Old 04-23-2019
Quote:
Originally Posted by MadeInGermany
Actually I expect gdb to also get hung when attaching it to a process in D state. But it's worth a trial.

If processes are permanently hung in cifs_reconnect_tcon then it looks like a kernel bug (or a missing interrupt/timeout feature).
Is your kernel at the latest patch level?
I agree.

He has nothing to lose to at least try to attach with gdb if he really does not want to reboot.

He might get lucky Smilie
 

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kill.d(1m)							   USER COMMANDS							kill.d(1m)

NAME
kill.d - snoop process signals as they occur. Uses DTrace. SYNOPSIS
kill.d DESCRIPTION
kill.d is a simple DTrace program to print details of process signals as they are sent, such as the PID source and destination, signal num- ber and result. This program can be used to determine which process is sending signals to which other process. Since this uses DTrace, only users with root privileges can run this command. EXAMPLES
Default output, print process signals as they are sent. # kill.d FIELDS
FROM source PID COMMAND source command name TO destination PID SIG destination signal ("9" for a kill -9) RESULT result of signal (-1 is for failure) DOCUMENTATION
See the DTraceToolkit for further documentation under the Docs directory. The DTraceToolkit docs may include full worked examples with ver- bose descriptions explaining the output. EXIT
kill.d will run forever until Ctrl-C is hit. AUTHOR
Brendan Gregg [Sydney, Australia] SEE ALSO
dtrace(1M), truss(1) version 0.90 May 14, 2005 kill.d(1m)
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