| US 7,484,127 B2 | ||
| Method and system for preserving crash dump in a diskless system | ||
| Venkatesh Babu, Santa Clara, Calif. (US) | ||
| Assigned to Nokia Siemens Networks OY, Espoo (Finland) | ||
| Filed on Jan. 13, 2005, as Appl. No. 11/34,247. | ||
| Prior Publication US 2006/0156057 A1, Jul. 13, 2006 | ||
| Int. Cl. G06F 11/00 (2006.01) | ||
| U.S. Cl. 714—38 [714/23; 713/1; 713/2] | 32 Claims |
| 1. A method, comprising:
loading and booting a primary operating system kernel;
preparing environment for booting a secondary operating system kernel by said primary kernel;
loading and booting a secondary operating system kernel, wherein both said primary kernel and said secondary kernel are loaded
and booted before a crash;
in case of a crash,
preparing said secondary kernel for jumping back to said primary kernel; and
preserving crash dump data and jumping back to said primary kernel for storing the preserved data.
|