Date: Sun, 30 May 2010 19:42:47 -0700 From: Dave Hayes <dave@jetcafe.org> To: Garrett Cooper <yanefbsd@gmail.com> Cc: freebsd-stable@freebsd.org, Clifton Royston <cliftonr@lava.net>, Jeremy Chadwick <freebsd@jdc.parodius.com> Subject: Re: Locking a file backed mdconfig into memory Message-ID: <201005310242.o4V2glZX057087@hugeraid.jetcafe.org> In-Reply-To: <AANLkTikq8AJIlvIkWkGIaS6mlqWOAPreVY7ALs3AO98v@mail.gmail.com> References: <201005272348.o4RNmgWh014243@hugeraid.jetcafe.org> <20100528043006.GA18560@lava.net> <201005281757.o4SHvTwq020905@hugeraid.jetcafe.org> <20100528191828.GA83371@icarus.home.lan> <201005281926.o4SJQCW3041849@hugeraid.jetcafe.org> <20100528215837.GA86689@icarus.home.lan> <AANLkTikq8AJIlvIkWkGIaS6mlqWOAPreVY7ALs3AO98v@mail.gmail.com>
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Garrett Cooper <yanefbsd@gmail.com> writes:
> This is how I do it in my quickie loader.rc:
> include /boot/loader.4th
> set vfs.root.mountfrom="ufs:/dev/md0"
> load /kernel
> load -t mfs_root /mfsroot
> start
I used to do exactly this back at FreeBSD 4.11 to boot off a cdrom.
Nice to know it still works this way.
Jeremy Chadwick <freebsd@jdc.parodius.com> writes:
> However, what I'm having trouble understanding is what exactly
> preload_search_info() looks for and how all this actually connects
> and works. It appears to me that there are specific drivers located in
> src/sys/dev that are KLD-supported and others which are expected to be
> included in the kernel statically.
Maybe this confusion explains why /dev/md0c is giving me random crashes
at the moment?
Of course, another theory might be the size of my initial ramdisk
(300Mb). Would there any known bug where booting off a large ramdisk
causes unreadable panics to flash past the console too rapidly to view?
--
Dave Hayes - Consultant - Altadena CA, USA - dave@jetcafe.org
>>> The opinions expressed above are entirely my own <<<
By and large, language is a tool for concealing the truth.
-George Carlin
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