Weird performances: -CURRENT vs 5.2.1
andre at freebsd.org
Thu Aug 19 11:25:28 PDT 2004
Peter Jeremy wrote:
> On Thu, 2004-Aug-19 09:26:14 +0200, Marc Fonvieille wrote:
>>It's not really documented. To sum up, you have to remove these lines
>>from your kernel configuration file:
>>makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols
>># Debugging for use in -current
>>options KDB # Enable kernel debugger support.
>>options DDB # Support DDB.
>>options GDB # Support remote GDB.
> The above lines have no measurable runtime performance impact. Removing
> them just makes it far more difficult to debug any problems.
I fully agree with two expections:
1. "options GDB" should not be included by default because it opens a nasty
security hole via firewire and if someone has easy access to the serial
2. Unattended should be compiled in. Thus the box panics and gives a traceback
but will reboot after 15 seconds.
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