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Date:      Wed, 6 Mar 2002 14:45:15 +0900
From:      qhwt@myrealbox.com
Cc:        current@freebsd.org
Subject:   Won't boot after the commits to timecounter code
Message-ID:  <20020306054514.GA395@gzl>

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Hello.
After upgrading to the kernel as of 2002-03-03 00:00:00(UTC), it stopped
booting just after the message:

Timecounter "i8254"  frequency 1193182 Hz

With some debugging printf()'s inserted, I found it was tc->tc_get_timecount()
called from tco_delta() called just after the bcopy() in tc_windup().
So maybe the next place I have to look at is i8254_get_timecount(), which is in
/sys/i386/isa/clock.c, but the last (effective) commit to this file is
revision 1.180(at the end of January).

I couldn't even drop into DDB; no response other than to power button.
The last bootable(and stable so far) kernel is from 2002-02-24.
I don't think this is caused by some leftover in the work directory
since I always build kernels in a new empty directory under /usr/obj.

Any (clue|fix)\?

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