sun4 revision 1.1 1 1.1 kardel Notes on CPU clock oscillator tolerance with SunOS 4.1.1 and 4.1.3
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3 1.1 kardel A bug in SunOS 4.1.1 results in the kernel time losing 1 microsecond
4 1.1 kardel per tick of the system clock. The bug was fixed (bugid 1094383) for
5 1.1 kardel SunOS 4.1.1 and corrected in SunOS 4.1.3. The easiest way to fix this
6 1.1 kardel is to replace the 4.1.1 binary clock.o with the corresponding 4.1.3
7 1.1 kardel binary. Without this change it is necessary to use the tickadj program
8 1.1 kardel included in this distribution with the -t 9999 option.
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10 1.1 kardel The tickadj option will work in all cases except when the kernel has
11 1.1 kardel been modified to correct the CPU clock oscillator frequency using a
12 1.1 kardel 1-pps signal from a precision source. The bugfix must be installed for
13 1.1 kardel this wrinkle to work properly.
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15 1.1 kardel Dave Mills (mills (a] udel.edu)
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