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bsd007 bsd007 is offline
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Default Invalid Signature when trying to boot Ubuntu 14.04 (Dual Boot)

Hi,

I installed PCBSD 10 on a separate ZFS partition alongside (L)ubuntu 14.04.

Lubuntu's grub was overwritten by PCBSD's grub but Lubuntu was not

detected. So I manually added an entry in /usr/local/etc/grub.d/40_custom.

Problem is when I try to boot Lubuntu I get "Invalid Signature"

These are my partitions

Code:
Code:

fdisk ada0
******* Working on device ada0 *******
parameters extracted from in-core disklabel are:
cylinders=310101 heads=16 sectors/track=63 (1008 blks/cyl)

Figures below won't work with BIOS for partitions not in cyl 1
parameters to be used for BIOS calculations are:
cylinders=310101 heads=16 sectors/track=63 (1008 blks/cyl)

Media sector size is 512
Warning: BIOS sector numbering starts with sector 1
Information from DOS bootblock is:
The data for partition 1 is:
sysid 131 (0x83),(Linux native)
    start 2048, size 48828125 (23841 Meg), flag 0
	beg: cyl 0/ head 32/ sector 33;
	end: cyl 1023/ head 254/ sector 63
The data for partition 2 is:
sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD)
    start 48830464, size 255858688 (124931 Meg), flag 0
	beg: cyl 1023/ head 254/ sector 63;
	end: cyl 1023/ head 254/ sector 63
The data for partition 3 is:
sysid 130 (0x82),(Linux swap or Solaris x86)
    start 304689548, size 7887157 (3851 Meg), flag 0
	beg: cyl 1023/ head 254/ sector 63;
	end: cyl 1023/ head 254/ sector 63
The data for partition 4 is:
<UNUSED>
Code:
/dev% ls ada*
ada0    ada0s1  ada0s2  ada0s2a ada0s2b ada0s3
I tried with the following entries but the result was the same


Code:
menuentry "lubuntu" {
    set root='(hd0,1)'
    chainloader +1
    }

Code:
menuentry "lubuntu" {
    insmod chain
    insmod ext2
    set root='(hd0,1)'
    chainloader +1
    }
Ext4 support is installed by default, if that matters.

Code:
pkg info fusefs-ext4fuse-0.1.3,1
fusefs-ext4fuse-0.1.3,1
Name           : fusefs-ext4fuse
Version        : 0.1.3,1
Installed on   : Sat Sep 13 10:13:37 IST 2014
Origin         : sysutils/fusefs-ext4fuse
Architecture   : freebsd:10:x86:64
Prefix         : /usr/local
Categories     : sysutils
Licenses       : GPLv2
Maintainer     : ehaupt@FreeBSD.org
WWW            : https://github.com/gerard/ext4fuse/
Comment        : EXT4 implementation for FUSE
Shared Libs required: libfuse.so.2
Flat size      : 41.5KiB
Description    : EXT4 implementation for FUSE.
WWW: https://github.com/gerard/ext4fuse/
I managed to boot Lubuntu using Super Grub Disk and this is a screenshot of Gparted



I am really stuck with this. Please help.

Last edited by bsd007; 1 Day Ago at 04:27 AM.
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I guess this is a lost case.

I guess I will delete that Ext4 partition and create an UFS and dedicate that space to a Lubuntu VM.

PF will be guarding Tux then !
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bsd-keith bsd-keith is offline
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I was waiting for someone more knowledgeable than me to answer you, but as no one has stepped forward, all I can tell you is that I read on another forum that the grub has to be 're stamped', which can be done from the install media.
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Quote:
Originally Posted by bsd-keith View Post
I was waiting for someone more knowledgeable than me to answer you, but as no one has stepped forward, all I can tell you is that I read on another forum that the grub has to be 're stamped', which can be done from the install media.
're stamped' means restoration of grub ? I have it once some years back with

a Xubuntu CD.

Since Ubuntu has no ZFS support can't afford to reinstall it coz it will

overwrite PCBSD's grub. I don't miss any major apps in BSD other

than the shutter screenshot tool which proved to be very useful.
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