Date: Fri, 25 Apr 1997 23:04:19 +1000 From: Bruce Evans <bde@zeta.org.au> To: are@communique.no, bde@zeta.org.au Cc: freebsd-hackers@freebsd.org Subject: Re: kern/3375: Ten minute delay at boot-time Message-ID: <199704251304.XAA30302@godzilla.zeta.org.au>
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>Calibrating clock(s) ... i586 clock: 133662709 Hz, i8254 clock: 1202460 Hz >CLK_USE_I8254_CALIBRATION not specified - using default frequency >CLK_USE_I586_CALIBRATION not specified - using old calibration method > >It seemed to speed along just fine, and I did not notice any 10 second >delay (as is now the new timeout). There's still something not quite right - 1202460 Hz is too far from the nominal value of 1193182 - almost 1% different. If it is (relatively) correct then there would be a noticeable drift in one or both of your clocks. Another non-default option, CLK_CALIBRATION_LOOP, can be used to repeat the calibration. It doesn't repeat the initialization, so I would expect it to work or not work consistently. >Then, as I'd forgotten to use -c (to enable the psm0 - why is it that it >is disabled by default?), I did another reboot, this time with -cv. It may interfere with other devices. >Now I got (and why is it that this first part - before vis. config - >doesn't get added to /var/log/messages?): It should be added. I think the visual userconfig output overwrote it. >Calibrating clock(s) ... failed, using default i8254 clock of 1193182Hz >CLK_USE_I8254_CALIBRATION not specified - using default frequency > >This time it waited for about ten secs. before continuing (entering >config). > >Does this mean the RTC isn't quite stable? It probably wants longer delays. Duplicate all the inb(0x84)'s in the patch. >Should I add any of the noted CALIBRATION options? Only CLK_CALIBRATION_LOOP. The others risk using wrong values. >And one last thing: >Sometimes when shuting down, /var/log/messages is appended with a lot of >junk like this ESC[mESC[8;1HESC[mESC[9;1HESC[mESC[m. What's up? I think this is normal output from visual userconfig. Bruce
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