On Oct 15, 2014, at 11:46 AM, Armin K. <[email protected]> wrote: > On 10/15/2014 06:43 PM, Dan McGhee wrote: >> In combatting the HP-Microsoft-UEFI coalition on my laptop, complete gory >> details after I get it figured out, I am prepared to take drastic action >> with what’s on my internal drive (/dev/sda). But I want to make sure I can >> boot LFS from an external disk (/dev/sdb) and backup what I have done so far. >> >> Although it’s not convenient, I can get to grub on /dev/sdb, but when it >> loads the LFS kernel, I get a KERNEL PANIC because the only device that’s >> loaded at the time is /dev/sda. Booting to LFS on /dev/sda from /dev/sdb >> works wonderfully. >> >> ISTR from reading something, sometime, somewhere that when attempting to do >> this I need to delay the kernel process somehow until there’s a UDEV trigger >> to attach /dev/sdb. But I can’t remember, nor can I find, how to do this. >> I *think* the kernel command line option for this is “root delay,” but I’m >> not sure. It it is, what is a good time? 1 sec, 2 sec? Or is there any >> other command line option for this. I see a number of them for usb stuff, >> but I don’t think they apply to what I want to do. >> >> Thanks, >> Dan >> > > You need to build the "USB Storage" driver into kernel. Thanks, Armin. I thought it was so I “grepped” my config file and, drat!, bah-humbug!, it was a module. Rats! Here goes.
Dan -- http://lists.linuxfromscratch.org/listinfo/lfs-support FAQ: http://www.linuxfromscratch.org/blfs/faq.html Unsubscribe: See the above information page Do not top post on this list. A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail? http://en.wikipedia.org/wiki/Posting_style
