Installation Errors on HPUX 11.00 64-bit Platform Error message Installation on a HPUX 11.00 64-bit system may crash with the following error message: Pid nnn killed due to trashed stack. Pid nnn was killed due to failure in writing the signal context. This happens only on HPUX 11.00 64-bit systems. It does not happen on HPUX 11.00 32-bit system and HPUX 11.11 (or 11i) system. To determine the OS version on your system, run: uname -a To determine the kernel bits on your system, run: getconf KERNEL_BITS Resolution HPUX kernel patch PHKL_27282 resolves the above crash. To determine if your system has the kernel patch, run: /usr/sbin/swlist -l product PHKL_27282 or what /stand/vmunix | grep PHKL_27282 If your system is an HPUX 11.00 64-bit system and it does not have the patch, first install HPUX kernel patch PHKL_27282 and then proceed with the installation. Installation of patch PHKL_27282 will reboot your system.