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Release 8.0.0 new features

System dump reliability

An improved dump mechanism is provided that increases the percentage of valid kernel dumps. Double-panic processing has been improved and the frequency of hangs during system dumps has been reduced. The dump I/O size has been increased from 8K to 64K. The overall speed of the dump process has also been improved.

Following a system panic and before reboot begins, the stack backtrace and register values are now written to the /var/adm/syslog file. This acts as a ``fingerprint'' of what happened, in case the dump save was not successful.

In addition, a system dump can now be obtained on demand, on a live system, with the new dumpmemory(1M) command. A dump thus obtained can be analyzed with crash(1M) just as any other dump.


© 2004 The SCO Group, Inc. All rights reserved.
UnixWare 7 Release 7.1.4 - 22 April 2004