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TitiTwister
n00b
Joined: 08 May 2015
Posts: 18
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 Posted: Fri May 08, 2015 6:30 pm Post subject: "end Kernel panic" error while rebooting |
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Hi !
I'm relatively new with this so I need a little help =)
I'm trying to create a x86 version of Gentoo with VMware. And when I tried to reboot it I saw this :
* failed because we are using /mnt/cdrom
* ERROR : mount-ro failed to start
And finally :
end kernel panic - not syncing vfs unable to mount root fs on unknown-block(0 0)
And before all that when I had to type :
livecd ~# umount /mnt/gentoo{/boot,/sys,/proc,}
umount: /mnt/gentoo/sys: target is busy
and
umount: /mnt/gentoo: target is busy
So what to do ?
And again I'm a beginner so don't hold that against me  |
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NeddySeagoon
Administrator
Joined: 05 Jul 2003
Posts: 54278
Location: 56N 3W
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| Posted: Fri May 08, 2015 7:11 pm Post subject: |
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TitiTwister,
Welcome to Gentoo.
We were all beginners once, we all know what it was like. It won't be held against you.
Any replies along the lines of RTFM will be accompanied by a pointer to the part of the friendly manual that you need to read.
We will teach you to fish, rather than give you a fish but we won't let you go hungry. Once we know your abilities, help will be aimed just out of your reach, to stretch you a little.
So lets get started.
| Code: | livecd ~# umount /mnt/gentoo{/boot,/sys,/proc,}
umount: /mnt/gentoo/sys: target is busy
and
umount: /mnt/gentoo: target is busy |
is harmless. Its to teach you good habits. Provided you did the restart properly, the system will have automatically synched and unmounted all the filesystems it the right order.
| Code: | | umount: /mnt/gentoo: target is busy |
usually means that you have a shell open in /mnt/gentoo.
| Code: | | unable to mount root fs on unknown-block(0 0) |
means that your kernel is missing the driver for your emulated hardware.. in your VM.
VMware provides a choice of emulated HDD interfaces. We need to know which one you are trying to use and also how you configure your kernel.
Boot your install media in the VM and run lspci. Post the output.
wgetpaste can help you here.
For the kernel build, tell what you did. You will be doing this again but with some changes.
_________________
Regards,
NeddySeagoon
Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail. |
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TitiTwister
n00b
Joined: 08 May 2015
Posts: 18
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| Posted: Fri May 08, 2015 7:56 pm Post subject: |
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Ok so a new problem ! 
I wanted to get wgetpaste and instead got this :
emerge situation
And for the lspci :
lspci
And thanks !  |
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Jaglover
Watchman
Joined: 29 May 2005
Posts: 8291
Location: Saint Amant, Acadiana
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NeddySeagoon
Administrator
Joined: 05 Jul 2003
Posts: 54278
Location: 56N 3W
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| Posted: Fri May 08, 2015 8:12 pm Post subject: |
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TitiTwister,
You got into the chroot without first bind mounting /dev at /mnt/gentoo/dev, so after the chroot step, /dev is empty.
wgetpaste is on the liveCD, so there is no need to chroot.
You have two hard drive controllers. (I have to copy type this, please excuse typos)
| Code: | 00:07:1 IDE Interface: Intel Corporation 82371AB/EB/MB PIIX4 IDE (rev 01)
00:10.0 SCSI storage controller: LSI Logic / Symbios Logic 53c1030 PCI-X Fusion-MPT Dual Ultra320 SCSI |
You didn't say how you built your kernel, so some general hints.
Genkernel will work if the root filesystem is attached to the emulated PIIX4 but not if its on the emulated Fusion-MPT controller.
The Fusion-MPT driver is on its own kernel menu, so its easy to miss if you configured the kernel by hand.
My guess is that you need the Fusion-MPT driver and its not build into your kernel.
_________________
Regards,
NeddySeagoon
Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail. |
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Installing Gentoo
