[Bug 246638] panic on boot: "cannot find a large enough size"

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=246638

--- Comment #8 from Conrad Meyer <cem at freebsd.org> ---
(In reply to Rafael Kitover from comment #7)
Probably the 34MB is wrongly carved from some other domain to not have an
unpopulated domain 0.  Is it possible the DIMMS are installed in an order not
recommended by the motherboard vendor?  Usually crappy board video chips just
borrow some system RAM, and that allocation wouldn't be visible to the host OS
(IIRC).

Re: capturing earlier bootup logs, you can put 'kern.msgbufsize="512k"' in
/boot/loader.conf (or similar) to use a larger-than-default msgbufsize.  The
default msgbuf size on CURRENT and STABLE/12 is 96 kB unless configured
otherwise.

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