HP-UX guest OS crash might fail to save a crash dump with the
following console message:
Error: can't open first dump device /dev/dsk/c0t0d0. Dump aborted.
INIT: OS_INIT ends. Resetting the system
This problem is caused by the HP-UX MPT dump driver in the guest
waiting only 1 second for a bus reset to finish. If there is an attached
tape or changer sharing the same virtual MPT adapter as the guest
boot disk, the reset time of that attached tape or changer might exceed
the 1 second timeout, resulting in the error message above.
To avoid this problem on HP-UX 11i v2 0505–0706 or HP-UX
11i v3 guests, make sure the guest boot disk and any attached tape
or changer do not share the same virtual MPT adapter. For information
about how to specify bus and device numbers to place the tapes or
changers on a separate MPT adapter than the guest boot disk, see the hpvmresources manpage
or the HP Integrity Virtual Machines Installation, Configuration,
For HP-UX 11i v2 0712, HP-UX 11i v3 0803, and all later supported
HP-UX guest releases, make sure the HPVM-Guest depot is installed.
The HPVM-Guest depot adjusts the MPT dump reset timeout allowing for
tape and changers to be placed on the same virtual MPT adapter as
the boot disk.