https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=286103
Bug ID: 286103
Summary: panic: overlapping physical segments
Product: Base System
Version: 14.2-STABLE
Hardware: i386
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
My VM running 14.2-PRERELEASE stable/14-n269305-089664a8db2e was quite stable
for months, but now portmgr have developed it obsolete and, in order to be able
to work with the latest ports, I attempted an upgrade to the latest 14.x -- the
stable/14-n271057-43933d89a325-dirty (the "dirty" is due solely to local
changes to the crypto/heimdal/lib/krb5/version-script.map).
The build was smooth, but upon reboot I started getting an endless
reboot-cycle. Capturing it into any sort of text-file proved impossible, so I'm
going to attach a video to this ticket.
The boot starts with an ominous (and unfortunate) warning about i386
architecture becoming deprecated, and then panics with "overlapping physical
segments".
The odd things about this setup:
1. Kernel is based on the PAE config-file.
2. The machine is a VM -- a guest on a Windows desktop running VirtualBox.
3. Years ago I was getting strange out of memory errors, which only a reboot
could fix, once they started. Adding the following lines to loader.conf helped
back then -- and is still working with the earlier kernel.
kern.ipc.nmbclusters=4096
vm.kmem_size=134217728
kern.maxswzone=4194304
I'm back to the older kernel for now, but would love to have this problem fixed
-- and for the original i386 architecture to have a long life.
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