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.
> n ok sync
After the crash dump is written to disk, the system will continue to reboot.
The login prompt is displayed when the boot process has finished successfully.
hostname console login:
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 198.51.100.240 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 . . .