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Old 09-21-2012, 06:02 PM   #1
qunying
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Slackware 14 RC5 install image has a typo in boot up message


The install image has a small typo when first bootup. This is from the usbboot.img, I did not try the other.

It says:
Quote:
In a pinch, you can boot your system from here with a command like:
boot: huge.s root=/dev/sda1 rdinit= ro
Where rdinit should be initrd to avoid loading the initrd image.
 
Old 09-21-2012, 07:05 PM   #2
trademark91
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I thought it always said rdinit?
 
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Old 09-21-2012, 09:26 PM   #3
allend
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That is not a typo. From /usr/src/linux/Documentation/kernel-parameters.txt
Code:
	rdinit=		[KNL]
			Format: <full_path>
			Run specified binary instead of /init from the ramdisk,
			used for early userspace startup. See initrd.
 
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Old 09-21-2012, 09:31 PM   #4
dc_eros
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It's rdinit. I always used that when fixing broken Slackware installations.
 
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Old 09-22-2012, 03:24 AM   #5
foobarz
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Yes, kind of interesting... for example, if you are using an initrd.gz in lilo.conf:

boot: vmlinuz rdinit=/bin/sh

This runs /bin/sh inside the initrd instead of the usual /init script. This gets you a sh shell and nothing that /init normally does happens at all. Then, you can fix something maybe, and manually run /init (exec it so it is pid 1):

exec /init

Then, the system starts normally.

But, "rdinit=" tells the kernel to ignore the initrd and skip along with regular "legacy" boot of the root= device.

Last edited by foobarz; 09-22-2012 at 03:29 AM.
 
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Old 09-22-2012, 12:46 PM   #6
qunying
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That is something interesting to know. As in my case, I don't need the extra support from initrd, so I used initrd= to skip the loading of it.
 
  


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