I've had a problem with -current for a couple weeks that appeared to be a
boot hang at first glace.  I compiled the kernel with ddb and was able to
break into the debugger when things appeared to hang.  After the kernel
starts up /sbin/init the OS will pause for a second and then begin spewing
the microuptime() went backwards stuff.   The kernel isn't really hanging
it is just being really slow about some things.

A few months ago we had a problem with the XL driver where an UNLOCK had
been mistakenly coded as a LOCK.  The problem feels very simlar to that.

Does anyone have any hints for what to look at when I break in to the
debugger?   Is anyone else seeing this behavior?


Mark Hittinger

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