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Still Waiting for root device

Hackintosh Mountain Lion

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#21
sselshamy

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Indeed I have 4 HDs, 1 SSD and the rest are HDD, I will try to disconnect all except ML HD and will feed you back, thank for this advice

#22
eep357

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You can't use arch=i386, boot 64 bit and remove DSDT for now, should not be needed to at least boot to desktop and can cause probs on dual boot setups, can re-add it later. Also keep in mind even the newest Chameleon versions do not support booting Mountain Lion, you have to use ErmaC's branch with ML support

#23
iFIRE

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problem still exists after disconnecting other HDs


Hello!!!, try to reinstall the Folder Extra :moil: , and repair permissions

bash-3.2# chmod -R 755 /Extra
bash-3.2# chown -R root:wheel /Extra
bash-3.2# touch /Extra
bash-3.2# touch /

it works!!!
Good Luck!!! :P

#24
Marchrius

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Try with: " GraphicsEnabler=No -x -v arch=i386"

#25
sselshamy

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I tried this and still waiting for root device, not solved :(

@ iFIRE I will try this and will feed you all back

thank u all for helping me :D

#26
sselshamy

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fixing permissions didn't solve the problem, but solved after disconnecting my main SSD and make ML HDD the main HD, booted and working now :D

Any advices to be able to switch between both?

#27
nvega12575

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What mother board do you have or can you post your specs? I have z68 chipset board ( Asus P8Z68-V LX) and everything is working fine in ML.

#28
sselshamy

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here you are my spec
Mobo: Gigabyte Z68XP UD4
VGA: Gigabyte GTX 285
CPU: i7 2600
3 HDD & 1 SSD
my current problem that I can't boot from ML installed on HDD while SSD is connected
still waiting for root device error is over when SSD disconnected
thanks for help :D

#29
bcc9

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Mobo: Gigabyte Z68XP UD4

I also have a gigabyte z68 motherboard with waiting for root device issues booting from SATA drives. Try my workaround: boot with ahcdisk=1 debug=8

#30
sselshamy

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thanks, is it ahcdisk r ahcidish?

#31
bcc9

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thanks, is it ahcdisk r ahcidish?

disk as in disk drive
I'm assuming you're using chameleon. With chameleon, in my org.chameleon.Boot.plist I have the following (of course you can first just try these options on the command line):
        <key>Kernel Flags</key>
	    <string>-v ahcidisk=1 debug=8</string>


#32
sselshamy

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thanks bbc9, but same problem here after adding this flag, can't boot using HHD ML except after disconnecting SSD.

#33
bcc9

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Ok then you seem to be having a more basic problem. Some things to consider:

Does your system print still waiting for root device every minute, or does it actually hang?
Have you tried the latest version of chameleon? Mountain lion support wasn't added until v1939 and you last reported that you were using an older version.
Can you boot from the non-ssd disk with the ssd disk attached when the primary disk is other than the ssd disk?
Have you verified that chameleon is loading your dsdt, et. all from the correct partition (as shown by the chameleon debug output that flies by when you boot with -v; you can use Wait=yes to see it more clearly)?
Did you follow the advise about not using arch=i386 (since current mountain lion has no 32 bit kexts)?
If the system is printing "still waiting for root device", try booting with io=0x1000 to get debug information about whether your disks are being identified correctly. See http://www.insanelym...dpost&p=1830049 for an example.

#34
sselshamy

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Yes, ML up and running & I am using

chameleon 2011.


but I can't bot from the non SSD with the SSD attached.


no 32bit flags



I have made another trial yesterday that I installed ML on another HDD and can't boot too, so I see that the installation must be done on any primary disk, but its very wired as I was able to do on 10.6 & 10.7


Another issue may it help in detecting the problem that the primary ML detecting as internal disk normally but the other 2 HDDs detected as external disk.

#35
bcc9

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That answers about half of what I asked, so all I can add is:
Try my fix from here: http://www.insanelym...dpost&p=1834431
and/or try updating your BIOS to a UEFI version: http://download.giga...8xp-ud4_u1g.exe

#36
altomic

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hi, i was trying to install 10.5.6. ideneb on a dimension 3100 dell.
I kept getting the "root device not found"
anyway. finally i set up the HDD in diskutil using MBR rather then GUID. I read that in some post somewhere. MBR + dell dimension 3100.

AFter installation I restarted and my computer rebooted into a successfully loaded 10.5.6

this was after a lot of attempts trying install OSX using GUID.

I don't have sound through the internal speaker yet but using a USB sound dongle works.

haven't tested ethernet. -edit : don't have ethernet.

but anyway, try MBR rather than GUID. may work. it seemed to work for my dimension 3100 dell..

#37
cochon

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Anyone got a solution for this error please share with us, I see many of us facing this error.

Installation succeeded but error appeared when trying to boot from ML fresh installed partition.

I tried:

SATA set to AHCI
Boot in 32bit mode arch=i386
Added rd= ML partition to org.chameleon.Boot.plist
Chameleon 1820 & 1823
Sill using original dsdt.aml currently used for Lion

But still no hope


Do not boot with arch=i386, Mountain Lion no longer support 32-bit

#38
JamesLittler

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Try this patch.
https://www.dropbox....-ahci-mlion.zip
care of bcc9

backup IOAHCIFamily.kext before you do, just in case.

#39
bcc9

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Try this patch.
https://www.dropbox....-ahci-mlion.zip

backup IOAHCIFamily.kext before you do, just in case.

That is just a copy of my script from the thread I already directed users to in post #35:
http://www.insanelym...dpost&p=1834431

#40
songuke

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I got the same "Still waiting for root device..." message when I accidentally connected my SATA drive to the third SATA port on my Asrock Z68-Pro3-M mainboard. I waited for about two minutes but the system did not boot further. This is weird because it worked fine when I connected the drive to a USB external enclosure. I ended up switching to connect my drive to the *first* SATA port and the error message was gone. My system is ML 10.8.1.

Hope this helps.





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