- Implemented new "ps -a" option which, when available, displays the
  complete command line and environment variables of selected, or all,
  tasks.  For example:
 
   crash> ps -a automount
   PID: 3948   TASK: f722ee30  CPU: 0   COMMAND: "automount"
   ARG: /usr/sbin/automount --timeout=60 /net program /etc/auto.net
   ENV: SELINUX_INIT=YES
        CONSOLE=/dev/console
        TERM=linux
        INIT_VERSION=sysvinit-2.85
        PATH=/sbin:/usr/sbin:/bin:/usr/bin
        LC_MESSAGES=en_US
        RUNLEVEL=3
        runlevel=3
        PWD=/
        LANG=ja_JP.UTF-8
        PREVLEVEL=N
        previous=N
        HOME=/
        SHLVL=2
        _=/usr/sbin/automount
 
  Individual tasks may be selected in the same manner as always;
  "ps -a" alone lists all tasks.  (anderson@redhat.com)

- Implmented new "ps -g" option, which lists tasks by thread group,
  for selected, or all, tasks.  For example, to display the tasks
  in the thread group containing task c20ab0b0:
 
   crash> ps -g c20ab0b0
   PID: 6425   TASK: f72f50b0  CPU: 0   COMMAND: "firefox-bin"
     PID: 6516   TASK: f71bf1b0  CPU: 0   COMMAND: "firefox-bin"
     PID: 6518   TASK: d394b930  CPU: 0   COMMAND: "firefox-bin"
     PID: 6520   TASK: c20aa030  CPU: 0   COMMAND: "firefox-bin"
     PID: 6523   TASK: c20ab0b0  CPU: 0   COMMAND: "firefox-bin"
     PID: 6614   TASK: f1f181b0  CPU: 0   COMMAND: "firefox-bin"
 
  The thread group leader will be shown first, with the other threads
  indented.  Individual tasks may be selected in the same manner as
  always; "ps -g" alone lists all thread groups.  (anderson@redhat.com)

- Fix for "timer" display; although the timer_list entries for each cpu
  are correct, the "TVEC_BASES[cpu]" output was displaying incorrect
  addresses for each cpu's tvec_base_t structure.  (anderson@redhat.com)
 

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