Frequently Asked Questions for FreeBSD 2.X
: Troubleshooting
: ``CMAP busy panic'' when rebooting with a new kernel.
Previous: FreeBSD 2.0 panics with ``kmem_map too small!''
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4.13. ``CMAP busy panic'' when rebooting with a new kernel.
The logic that attempts to detect an out of date
/var/db/kvm_*.db
files sometimes fails and using a
mismatched file can sometimes lead to panics.
If this happens, reboot single-user and do:
rm /var/db/kvm_*.db
Frequently Asked Questions for FreeBSD 2.X
: Troubleshooting
: ``CMAP busy panic'' when rebooting with a new kernel.
Previous: FreeBSD 2.0 panics with ``kmem_map too small!''
Next: ahc0: brkadrint, Illegal Host Access at seqaddr 0x0