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176: <option value="#Problem-Solution">Problem Solution</option> ! 177: <option value="#SRDB-ID">SRDB ID</option> ! 178: <option value="#OS">OS</option> ! 179: </select></div></form> ! 180: <table width=100% cellpadding=2 cellspacing=0 border=0> ! 181: <tr bgcolor=#666699><td><font size=2 color=#ffffff><b>SRDB ID</b></font></td> ! 182: <td bgcolor=#ffffff><font size=2> </font></td> ! 183: <td><font size=2 color=#ffffff><b>Synopsis</b></font></td> ! 184: <td bgcolor=#ffffff><font size=2> </font></td> ! 185: <td><font size=2 color=#ffffff><b>Date</b></font></td> ! 186: </tr> ! 187: <tr bgcolor=#CCCCE7><td><font size=2><b>19195</b></font></td> ! 188: <td bgcolor=#ffffff><font size=2> </font></td> ! 189: <td><font size=2><b>Upgraded to 2.6, using xntpd, but the system clock is drifting. Worked fine</b></font></td> ! 190: <td bgcolor=#ffffff><font size=2> </font></td> ! 191: <td><font size=2><b>4 Sep 1999</b></font></td> ! 192: </tr> ! 193: </table><br clear> ! 194: <table width=100% cellpadding=2 cellspacing=0 border=0><tr bgcolor=#999999> ! 195: <td><font size=2 color=#ffffff><b><a name=Problem-Description>Problem Description</a></b></font></td> ! 196: <td align=right><b><a href="#top"><font size=2 color=#ffffff>Top</font></a></b></td></tr></table> ! 197: <pre>Ever since upgrading to Solaris 2.6, the system clock has been drifting and ! 198: there are messages like 'synchronisation lost', 'Previous time adjustment ! 199: didn''t complete' and 'time reset (step)' a lot in the /var/adm/messages ! 200: file. The system either was previously working fine with the freeware ! 201: xntpd or the configuration was copied from another system that was ! 202: using the freeware version. ! 203: -- 23-Apr-99 08:22 US/Eastern --</pre><table width=100% cellpadding=2 cellspacing=0 border=0><tr bgcolor=#999999> ! 204: <td><font size=2 color=#ffffff><b><a name=Problem-Solution>Problem Solution</a></b></font></td> ! 205: <td align=right><b><a href="#top"><font size=2 color=#ffffff>Top</font></a></b></td></tr></table> ! 206: <pre>The common lore for setting up xntpd on Solaris using ! 207: the freeware version included the warning to set the ! 208: kernel variable <font color=red>dosynctodr</font> to 0 in the /etc/system ! 209: file thus: set <font color=red>dosynctodr</font>=0 ! 210: ! 211: When using NTP on Solaris 2.6 or later, the kernel ! 212: variable MUST be left at the default value of 1. Prior ! 213: to 2.6 this variable controlled whether or not to rein ! 214: in the softclock using the hardware clock, with the result ! 215: that NTP and the hardware clock would fight for control of ! 216: the soft clock; thus before 2.6 you had to set <font color=red>dosynctodr</font> ! 217: to 0. At 2.6, every system call that adjusts the softclock ! 218: also sets the hard clock, thus while NTP controls the soft ! 219: clock, the hard clock is also controlled. Setting ! 220: <font color=red>dosynctodr</font> to 0 reverts the behavior back to the pre 2.6 ! 221: defaulkt behavior, having exactly the opposite effect ! 222: as that intended. ! 223: ! 224: Do not set <font color=red>dosynctodr</font> to 0.</pre><table width=100% cellpadding=2 cellspacing=0 border=0> ! 225: <tr><td bgcolor=#999999 valign=top width=25%><font color=#ffffff size=2><b><a name=Product-Area>Product Area</a></b></font></td> ! 226: <td bgcolor=#cccccc valign=top width=75%><font size=2>Bundled Network</font></td></tr> ! 227: <tr><td bgcolor=#999999 valign=top width=25%><font color=#ffffff size=2><b><a name=Product>Product</a></b></font></td> ! 228: <td bgcolor=#cccccc valign=top width=75%><font size=2>NTP</font></td></tr> ! 229: <tr><td bgcolor=#999999 valign=top width=25%><font color=#ffffff size=2><b><a name=OS>OS</a></b></font></td> ! 230: <td bgcolor=#cccccc valign=top width=75%><font size=2>Solaris 2.6</font></td></tr> ! 231: <tr><td bgcolor=#999999 valign=top width=25%><font color=#ffffff size=2><b><a name=Hardware>Hardware</a></b></font></td> ! 232: <td bgcolor=#cccccc valign=top width=75%><font size=2>Ultra 2</font></td></tr> ! 233: <tr><td bgcolor=#999999 valign=top width=25%><font color=#ffffff size=2><b><a name=Document-Content>Document Content</a></b></font></td> ! 234: <td bgcolor=#cccccc valign=top width=75%><font size=2>with freeware xntpd.</font></td></tr> ! 235: </table><br clear> ! 236: <font size=2><a href="#top">Top</a></font><br><br> ! 237: </td></tr></table> ! 238: ! 239: <!-- =================== --> ! 240: <!-- END OF MAIN CONTENT --> ! 241: <!-- =================== --> ! 242: <!--stopindex--> ! 243: ! 244: <!-- DON'T CHANGE INFORMATION OTHER THAN titlebar BELOW THIS LINE --> ! 245: ! 246: <!-- Altered Table Structure from Template to format properly with new design --> ! 247: </TD> ! 248: </TR> ! 249: <TR> ! 250: <TD> </TD> ! 251: <TD VALIGN="top"> ! 252: <center> ! 253: <IMG SRC="/images/cg_grey_line.gif" ALT="" WIDTH="466" HEIGHT="2" BORDER="0"><BR> ! 254: <IMG SRC="/images/cg_clear.gif" ALT="" WIDTH="1" HEIGHT="2" BORDER="0" HSPACE="0" VSPACE="4"> ! 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