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Booting and Shutting Down Oracle® Solaris 11.4 Systems

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Updated: August 2018

SPARC: How to Force a Crash Dump and Reboot of the System

Use this procedure to force a crash dump of a SPARC based system. The example that follows this procedure shows how to use the halt –d command to force a crash dump of the system. You will need to manually reboot the system after running this command.

Before You Begin

Ensure that your role has the appropriate rights profiles to perform this procedure. See Using Rights Profiles to Administer Boot Features.

  1. Bring the system to the ok PROM prompt.
  2. Synchronize the file systems and write the crash dump.
    > n
    ok sync

    After the crash dump is written to disk, the system will continue to reboot.

  3. Verify that the system boots to run level 3.

    The login prompt is displayed when the boot process has finished successfully.

    hostname console login:
Example 28  SPARC: Forcing a Crash Dump and Reboot of a System by Using the halt –d Command

This example shows how to force a crash dump and reboot of a SPARC based system by using the halt –d command.

$ halt -d
Jul 21 14:13:37 jupiter halt: halted by root

panic[cpu0]/thread=30001193b20: forced crash dump initiated at user request

000002a1008f7860 genunix:kadmin+438 (b4, 0, 0, 0, 5, 0)
  %l0-3: 0000000000000000 0000000000000000 0000000000000004 0000000000000004
  %l4-7: 00000000000003cc 0000000000000010 0000000000000004 0000000000000004
000002a1008f7920 genunix:uadmin+110 (5, 0, 0, 6d7000, ff00, 4)
  %l0-3: 0000030002216938 0000000000000000 0000000000000001 0000004237922872
  %l4-7: 000000423791e770 0000000000004102 0000030000449308 0000000000000005

syncing file systems... 1 1 done
dumping to /dev/dsk/c0t0d0s1, offset 107413504, content: kernel
100% done: 5339 pages dumped, compression ratio 2.68, dump succeeded
Program terminated
ok boot
Resetting ... 

Rebooting with command: boot
Boot device: /pci@1f,0/pci@1,1/ide@3/disk@0,0:a
File and args: kernel/sparcv9/unix
configuring IPv4 interfaces: hme0.
add net default: gateway
Hostname: jupiter
The system is coming up.  Please wait.
NIS domain name is example.com
System dump time: Wed Jul 21 14:13:41 2013
Jul 21 14:15:23 jupiter savecore: saving system crash dump
in /var/crash/jupiter/*.0
Constructing namelist /var/crash/jupiter/unix.0
Constructing corefile /var/crash/jupiter/vmcore.0
100% done: 5339 of 5339 pages saved