Fix jobs from starting in overlapping reservations that won't finish before a "maint" reservation begins.

Bug 1290

when the DBD is down.

This only prints the message if the user enables more detailed logging
bug 1171

Log Cray MPI job calling exit() without mpi_fini(), but do not treat it as
a fatal error. This partially reverts logic added in version 14.03.9.
bug 1171

better.

in BASIL was changed.

Double max string that Slurm can pack from 16MB to 32MB to support
larger MPI2 configurations.

This can happen if the specified job ID is not found.

cgroup plugin.

impact functionality.

Bug 1253

Bug 1255

Do not requeue a batch job from slurmd daemon if it is killed while in
the process of being launched (a race condition introduced in v14.03.9).
This partially reverts commit 2bc9bc29

This reverts commit bc7ea952.

This ended up causing more issues than it solved, reverting.

15.08, but this keeps track of allocated cpus as well as usable cpus:
meaning if a user requests --hint=nomultithread they are allocated cpus
that aren't usable since they requested to only use the 1st thread on
each core.

reference bug 1247

with CR_PACK_NODES.

Really do commit d388dd67 a different way to get the same info and
be able to lay out tasks correctly when --hint=nomultithread.

tests on a 4 core 8 thread system are
srun -n6 --hint=nomultithread --exclusive whereami | sort -h
srun: cpu count 6
   0 snowflake0 - MASK:0x1
   1 snowflake0 - MASK:0x2
   2 snowflake0 - MASK:0x4
   3 snowflake0 - MASK:0x8
   4 snowflake1 - MASK:0x1
   5 snowflake1 - MASK:0x2

and

srun -n10 -N5 --hint=nomultithread --exclusive whereami | sort -h
srun: cpu count 10
   0 snowflake0 - MASK:0x1
   1 snowflake0 - MASK:0x2
   2 snowflake0 - MASK:0x4
   3 snowflake0 - MASK:0x8
   4 snowflake1 - MASK:0x1
   5 snowflake1 - MASK:0x2
   6 snowflake1 - MASK:0x4
   7 snowflake2 - MASK:0x1
   8 snowflake3 - MASK:0x1
   9 snowflake4 - MASK:0x1

This reverts commit a7ad186e0f2b643c4e2bf302bc18e892d499cd4a.

helgrind found that the locks were taken in reverse order in some
places. This makes the ordering of locks consistent.

    an maintenance reservation that is not active yet.

work "partition".

reference bug 1246

always and it scares people.

is requested.

This is a re-factor of commit e5635a76 related to bug 1148 to handle
the cases where a job could run, but an error was given when selecting
the nodes.

lock was locked outside of the function or not.  This also fixes a race
condition when adding a QOS and planning on using it right away when the
controller is busy with previous requests.

PerCPU.

Before it wasn't taking into account if the user was requesting per node
memory or the job was told it needed to use less than the node allowed.