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kernel can't find / (root)



Hi guys,

(first of all, I'm sorry for my bad english)

I'm new here, and I have some problem right now. I have installed funtoo on (acer cloudbook11 intel celeron n3050, 2gb ram) 5hours and after that it dosn't start, because kernel don't find Root.

1) I want to know if I have to use uuid (and how I can find it while installing and if I need to generate another kernel or if the default debian is ready to read uuid and not /dev/sda option).

I have formatted and installed antergos to see fstab that the software has generated and while I was doing that trough the liveusb, just to be sure I have mounted the drive to see fstab on funtoo installation and it was  just like lsblk output that you see in the screeshot (but without uuid): you see that my notebook have one sd/mmc , so when I wrote the fstab it was like.

/dev/mmcblk0p1  vfat  /boot

/dev/mmcblk0p3  ext4 /

2) the other doubt is, maybe I dont need to use uuid but just to generate tone kernel that can read from sd/mmc

(because one thing that I have noticed and I dont know if is important is that when I tried gentoo hybrid live, the sistem don't even see my hdd so when I wrote lsblk on terminal the output was just /dev/sda (that was the usb drive))

I know that the debian kernel is a different one. but like I said, I don't know.

here my screenshot



and here the antergos fstab automatically generated 3) if I do not change partition table, but just use mkfs.vfat and mkfs.ext4 the uuid will be the same??



4) The last option that I have is that something go wrong during installation and grub was sure that there wans't one installation, because I also noticed that antergos don't ask me if I want to install the system alongside the other.

so I ask you this before to try another installation, cause of the long time my notebook need to compile, I want be sure to log in after reboot, so if tell me that kernel  can read some like /dev/mmcblk0p3

thank you guys.

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kali ~ # lsblk -f
NAME   FSTYPE   LABEL    UUID                                 MOUNTPOINT
├─sda1 reiserfs          d86b9236-a944-4321-aa9b-2834ca71df0e /slack
├─sda2 reiserfs          e7bf1f48-bf96-4f86-a49e-e6cf6a1457e4 /
└─sda3 reiserfs          5d0a5b00-a46c-48bd-9cf6-53e97d8782ef /home
├─sdb1 reiserfs          dcafa159-b9aa-40cc-8d9e-40ebee6efe02 /data
└─sdb3 swap              4b919b0f-7d88-437f-b094-b1af759e9383 [SWAP]
sdc    iso9660  SlackDVD 2016-06-30-18-21-58-24               
└─sdc1 reiserfs          b89f0fda-5eea-4d01-9a3f-f0046fd93fb2 /data1
kali ~ #


don't need a  separate /boot


kali ~ # cat /etc/fstab

/dev/sdb3        swap             swap        defaults         0   0
/dev/sda1        /slack           reiserfs    defaults         1   2
/dev/sda3        /home            reiserfs    defaults         1   2
/dev/sdb1        /data            reiserfs    defaults         1   2
/dev/sdc1        /data1           reiserfs    defaults         1   2
/dev/sda2        /                reiserfs    defaults         1   1
kali ~ #



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