Fedora :: System Starts In Grub Prompt?
Jun 20, 2011
I have Windows Vista in a primary partition & Fedora 14 in a logical partition.
Recently, I increased the size of the extended partition and created another logical partition inside it. I formatted the new logical partition from Vista.
After reboot, instead of the list of operating systems, I started getting "grub>"
I searched on the internet and modified entries in /boot/grub/grub.conf, from (hd0,4).. to (hd0,5)..
I still get the grub prompt, but if I enter " configfile (hd0,5)/boot/grub/menu.lst " it shows the os list & I can use Fedora.
How can I configure the system so that it shows the list of os instead of "grub>" ?
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Dec 1, 2010
Code:
grub-install -v
grub-install (GNU GRUB 0.97)
I loaded GRUB, and now when I reboot it goes straight into the 'grub>' command line. Initially GRUB had the root as (hd0,2), whereas the boot is on (hd0,1)...(hd0,2) is my '/home' partition, and (hd0,1) is my '/' partition... So on a bootup I ran...
Code:
root (hd0,1)
setup (hd0)
Now when I boot I still get the 'grub>' command line, but now the root is correct.
From 'grub>' I can type...
Code:
grub> configfile /boot/grub/menu.lst
GRUB will then show the menu, and I can click the listings to load them. All's fine, but why doesn't GRUB just load the menu.lst without my prompting? How can I automate this process of typing 'configfile /boot/grub/menu.lst' each time I boot?
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Dec 26, 2010
Have installed ubuntu on a separate partition on single hard disk and system initially worked on a dual boot basis with windows xp. However after installing most recent series of updates computer is failing to boot.
Error message is 'error : no such device : 6937cabe-f115-455b-a248-6f8d46f80682.' prompt showing is 'grub rescue>' am now unable to access either windows or ubuntu.
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Jun 7, 2011
I was deleting some space off my C Drive and I believe I may of accidentally deleted Fedora, or some of it! I have a dual boot with Fedora and Windows XP so when I started my desktop up it would load into fedora by default or I could press a key to load XP! (It rhymes!) Now, however, it instantly loads up into "Grub"
And that's it! Run, Or Exit, or anything really, doesn't work! Except Reboot! So I'm a little stuck. It's an old PC and the Windows XP disc is long gone, if I ever had one! I had this thought that perhaps if I reinstall Fedora from a CD it many bring back the old command prompt and let me get back into XP again? Or, is that crazy talk??
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Jun 17, 2011
I installed Umbuntu (MythBuntu 11.04 as backend system) and initially when starting it just went to a blank screen (no prompt, nothing). After going through safe mode I was able to get to a prompt and into the UI in low graphic mode.After updating the graphic drivers (nvidea) to the latest and changing some grub options (GRUB_CMDLINE_LINUX_DEFAULT="acpi=off splash") when I restarted it went to the busybox initramfs prompt. I typed "exit" and the UI started up normally.
The next time I restarted it went through to a blank screen. I typed "exit" again and enter and the UI started up normally again (even though I couldn't see what I was typing at the time).While I was going through the recovery mode I do remember some messages about disk not found/mounted, when I googled it I found stuff about entering rootdelay=90 in menu.lst which doesn't exist anymore. Is there a similar option I can enter somewhere in 11.04?Also I'm new to Ubuntu (in fact any Linux distro as an admin), where would I find any log files that may help with finding the problem.
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Jul 3, 2011
use Fedora 15. I had installed driver for my ATI graphic card, as it was written in Fedora guide, then when I rebooted the system the bars and icons appeared with strange, changed colours (purple, green, etc). I've read that this happened because of the bad drivers, so I tried to fix it. Unfortunatelly because I'm Linux newbie and I'm also very nervous I deleted (using Fedora software manager) everything connectedtalyst from my system.Now when I try to start my computer, grub starts in text mode.My question is:What can I do? Do I have to reinstall my system or maybe someone knows how to fix it?I'm quite scared because now I can't launch not only Fedora but also Windows.(I'm writing from another computer
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Oct 30, 2010
I had a problem with my grub (system displayed "unknown filesystem" and then the grub rescue prompt). I then used a livecd of ubuntu 9.04 and ran fsck for a while (closed it in the middle). Grub then worked. But when i select ubuntu 10.04 it goes to the purple screen and stops there. There's some error before loading the purple screen.
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May 31, 2010
I have a problem when tried to upgrade my fedora 12 to fedora 13...
I run this command :
su -
yum update rpm ---- running success
yum -y update --- running success
After this, my laptop hang so i force to shutdown by pressed power button ! Next problem which is after i boot my laptop, it always shows me, GRUB prompt shell, GRUB > (commands GRUB) !
Code:
GNU GRUB version 0.97 (640K lower / 3072K upper memory)
[ Minimal BASH-like line editing is supported. For the first word, TAB
lists possible command completions. Anywhere else TAB lists the possible
completions of a device/filename. ]
grub>
I already run this command :
Code:
grub> find /grub/grub.conf
(hd0,5)
grub> root (hd0,5)
Filesystem type is ext2fs, partition type 0x83
grub> setup (hd0)
Checking if "/boot/grub/stage1" exists... no
Checking if "/grub/stage1" exists... yes
Checking if "/grub/stage2" exists... yes
Checking if "/grub/e2fs_stage1_5" exists... yes
Running "embed /grub/e2fs_stage1_5 (hd0)"... 30 sectors are embedded.
succeeded
Running "install /grub/stage1 (hd0) (hd0)1+30 p (hd0,5)/grub/stage2 /grub/menu
.lst"... succeeded
Done.
But when I reboot, it always shown me GRUB prompt shell.
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Jul 15, 2010
How to open an application when fedora system starts.
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Jul 1, 2010
Since I have installed fedora 13 in my system (HP pavilion 1506tx) I rtsam getting this error every time my system starts/ restarts. I don't know how to correct this error. Here is the message displayed in Automatic Bug reporting tool
------------[ cut here ]------------
WARNING: at drivers/pci/dmar.c:647 check_zero_address+0x7d/0x191()
Hardware name: HP Pavilion dv4 Notebook PC
Your BIOS is broken; DMAR reported at address zero!
BIOS vendor: Hewlett-Packard; Ver: F.55; Product Version: 039B140000241210100020000
Modules linked in:
Pid: 0, comm: swapper Not tainted 2.6.33.5-124.fc13.i686 #1
Call Trace:
[<c0436df5>] warn_slowpath_common+0x65/0x7c
[<c09d92a3>] ? check_zero_address+0x7d/0x191
[<c0436e40>] warn_slowpath_fmt+0x24/0x27
[<c09d92a3>] check_zero_address+0x7d/0x191
[<c05edc18>] ? acpi_get_table_with_size+0x53/0xa1
[<c09d93c8>] detect_intel_iommu+0x11/0x69
[<c09bd888>] pci_iommu_alloc+0x8/0xa
[<c09ca721>] mem_init+0xe/0x245
[<c09b776a>] start_kernel+0x1bf/0x34b
[<c09b73e7>] ? unknown_bootoption+0x0/0x18e
[<c09b7099>] i386_start_kernel+0x99/0xa0
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Jun 5, 2009
I've got myself the curious situation where, when I boot the system, I can get grub to start, but it always drops to the prompt.
I can run:configfile /grub/menu.lst
and this brings up the menu with no problems, and from there I can boot the system to either linux or windows. What I don't understand is why it wont go to the menu in the first place?As far as I can tell, grub/Kubuntu got confused when installing, as each of the hd#,# settings in the menu.lst have needed tweaking to let the system boot. (e.g. windows is actually hd0, but the original install had it at hd2. Likewise linux is on hd1, but the menu.lst had it at hd0). I've happily tweaked these to make the system boot, but would appreciate any help in convincing grub to actually load the menu without me having to use the prompt.
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Mar 21, 2011
I have used CentOS for a while and have never run into this issue. I searched all over and didn't see a similar issue anywhere, I did an install of CentOS as a server (no GUI) with only the base. Partition is /boot ext3, size of 100MB. The rest of the drive is partitioned as / with ext3. This is being done on a CompactFlash card of 32GB in size. The BIOS sees it as an IDE drive.
When the install completes and the system reboots, the grub stops at the grub> prompt. There is no menu for OS options. If I do the following commands:
grub>root (hd0,0)
grub>kernel /vmlinuz-2.6.18-194.el5 root=LABEL=/
grub>initrd /initrd-2.6.18-194.el5.img
grub>boot
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Apr 20, 2011
Recently I have installed FC 14, I need to know how many packages installed through YUM command prompt in local system.
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Jan 15, 2011
So I wanted to get rid of ubuntu 10.10 on my HP pavilion dv6 laptop as I wanted to make some hd space. Its a dual boot with windows 7. I deleted the ubuntu partition and expanded the windows partition to fill the whole hard drive again. When I restarted my laptop I got the "error: no such partition. Grub rescue>" message.
I tried inserting my ubuntu 10.10 boot cd but whenever I boot from the cd I get the exact same grub rescue error. Is it possible to remedy this situation from the error? I am currently unable to download a windows recovery cd so I'm stuck in the grub rescue page unless its possible to fix this mess from the error prompt.
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May 6, 2011
After certain system-wide changes, like kernels updates, I obtain grub prompt on restart. However, if I put the hard drive into another computer (b), it boots up fine. Since, however, I use the present computer (a) regularly, I only use b to purge and reinstall grub using the chroot method. However, doing so every time is time consuming; and I cannot change anything in the defaults and run update-grub without obtaining a grub prompt on restart. How do I fix this?
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Feb 15, 2010
My computer was working this morning and both hard drives were working fine, then all of a sudden for about two hours I was stuck with this "problem", then after fumbling and moving and stablizing things, then Windows works? See below for details. I've finally reinstalled both hard drives, but the one with the Linux partition doesn't work: it says nothing is discovered on the disk. I can't login at the LUKS login after grub starts, therefore I can't get into Linux, but Windows works?! I used to be able to go directly into Grub when the computer starts, I forgot how to do that but it doesn't matter. If you need details I'd be glad to provide them. I just wondered why Linux doesn't work, but Windows does. I have Linux & Windows on two different separate hard drives
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Jul 4, 2010
I have XP on sda and Fedora 13 on sdb with Fedora's grub on the mbr of sda.
Everything's been working fine.
In particular, grub's boot menu has been intervening in the boot process
with options reflecting my entries in grub's menu.lst file.
I'm not sure what I did prior to this, but now my system boots to the grub> prompt.
I'd like to get my old menu back.
I know the command sequences to enter at this prompt to boot into either XP or Fedora.
I can boot successfully into XP but attempts to boot Fedora fail with the first command; namely,
grub>root (hd1,0),
the system responds with the error message "error 25: disk read error."
Does this mean my sdb has failed?
If not, please tell me what I should do to recover from this,
recover meaning to get the grub's boot menu to intervene once again
in the boot process.
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Dec 20, 2010
I decided to upgrade my FC installation to the latest version - FC itself offered the upgrade when I turned the machine on, so it appeared that it was nicely packaged to make the upgrade easy.After a long download of packages, the machine rebooted and then started taking me through configuration options (timezone, disks to use for the installation etc) but then it crashed trying to write to disk and now leaves me at a grub prompt whenever I boot.Is there any way to "get at" the installation files and get back into trying to install or do I now need to download an ISO and burn a DVD and start all over again?
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Jun 11, 2010
I just reinstalled kubuntu and after restarting( following the install) I was confronted with error 15 when grub starts.
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Jun 1, 2011
I'm running 10.10 on a Compaq Presario M2000 laptop and when I boot the laptop I have to choose which kernel I want to run.
Code:
GNU GRUB version 1.98+20100804-5ubuntu3
Ubuntu, with Linux 2.6.35-28-generic
Ubuntu, with Linux 2.6.35-28-generic (recovery mode)
Ubuntu, with Linux 2.6.35-22-generic
Ubuntu, with Linux 2.6.35-22-generic (recovery mode)
[Code]...
(initramfs) I do have some command line functionality to where I was able to find out where the file system is located. My problem at this point is I want to try and recover some documents that were on one of the 2 user accounts and either fixing the installation so either user can normally log in or if I have to, reinstall 10.10 onto the HDD.
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Aug 8, 2010
After deleting a ntfs partition, grub is giving me troubles. My fdisk -l gives:
Code:
Device Boot Start End Blocks Id System
/dev/sda1 1 3824 30716248+ 7 HPFS/NTFS
/dev/sda2 3825 121600 946035720 f W95 Ext'd (LBA)
/dev/sda5 3825 4716 7164958+ 7 HPFS/NTFS
[Code]....
I have one harddrive and a DVD drive. In the bios, the harddrive is mentioned first. So (hd0,5) should point to the /dev/sda6.
BUT when I start my computer, it returns to the grub prompt. The command root gives: (hd0,6).
Why? It should be (hd0,5).
At the grub prompt I enter: root (hd0,5) and configfile /grub/grub.conf and the computer boots fine to fedora.
How can I tell grub use the correct partition?
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May 3, 2010
Had 3 partitions on a hard disk. Booted vista & deleted the windows 7 partition & then expanded the vista partition into the windows 7 partition. Vista kept working but when i rebooted grub starts to load & gets an error 17. How do i recover?
Previously grub would come up & give me the choice of ubuntu or vista. If i selected vista i got the choice of vista or windows 7.
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Sep 30, 2010
I have windows Vista and Ubuntu 9.04 on my asus laptop and use grub as boot manager. I tried to reinstall windows vista with the recovery CD delivered with my laptop in order to just get rid of the old installations. The Installation was OK, however when rebooting windows doesn't come up printing the error could not load GRUB Error 22.
Now I think I should remove grub from teh master boot record, and the system will supposedly work.My question is is this a solution and how do I reformat the master boot record? Can I do it with the Ubuntu instalation CD?
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Feb 11, 2010
How do I log all start-up text from when Grub starts to when my desktop appears?
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Mar 6, 2010
I have been trying ubantu 9.10 via dual boot (with windows XP) for a while now. Today I decided to wipe out windows and install ubantu only. After I completed the install I get GRUB prompt and I cannot type anything. So I booted from CD again and opened ubantu from disk. ran the boot_info_script as mentioned on other posts here and here is the results
Boot Info Script 0.55 dated February 15th, 2010
============================= Boot Info Summary: ==============================
=> Grub 2 is installed in the MBR of /dev/sda and looks at sector 2928391 of
[code]....
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Sep 9, 2010
I use wubi 10.04 installed on my xp drive. the other day my pc froze while surfing the internet. I used the following key combination to reboot my pc (this is the first time I'm trying it), but when I selected ubuntu, I don't get the grub boot menu, on the other hand, I get a little welcome message to the grub prompt and "grub>"How do I fix this and boot into Ubuntu?
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Jan 6, 2011
Just got done installing U 10.1 into my old Dell desktop. Since I'm pretty darn new at Linux, I'll do my best to explain. Upon selecting Ubuntu to boot, I get a 'grub>' prompt, much like C: in DOS. But, at this point, I haven't the slightest idea of what to do.
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Jul 19, 2011
I am a casual user of Ubuntu, which is installed in a vmware virtual machine. After upgrading to Ubuntu 11.04, and after the reboot, it just booted up to a grub prompt.
I found a useful post about resolving this problem here: [URL]
The sequence of grub shell commands to be entered are these: set root=(hdX,Y) linux /vmlinuz root=/dev/sdZ ro initrd /initrd.img bootwhere the X, Y, and Z are replaced with appropriate letters/numbers.
The problem that I am having is that TAB is not completing the commands at the grub shell, thus I have no idea what the letters/numbers to use.
My installation is completely generic - I have not customized it in any way. check their vmware/Ubuntu system and let me know what letters/numbers to use.
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Oct 30, 2010
I rebooted my computer recently after installing some updates in Ubuntu and now when grub launches it goes straight to the grub prompt and I don't get a menu. I tried searching around online and have tried what seemed like the most common fix but to no avail:
find /boot/grub/stage1 (returns hd1,0)
root (hd1,0)
setup (hd0) -I also tried (hd1,0) and (hd1)
-then reboot- (still get no menu and goes straight to the prompt)
I then tried booting into Ubuntu live, using apt-get to install Grub, and then running through the install process using similar commands, but to no avail. When I run setup it finds my config info and doesn't show any errors. I have a menu.lst file with lots of entries for different kernel versions and a windows 7 install on hd0,0. I am running Ubuntu Ubuntu 10.04.1 LTS, kernel 2.6.32-25-generic-pae.
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Nov 28, 2010
i have dual boot computer win7 and 10.04 ubuntu. i installed the ubuntu inside the win7
now i have problem that GRUB prompt out every reboot. i could get into system by type this(but GRUB come back after reboot)
Code:
set root=(hd0,1)
loopback loop0 /ubuntu/disks/root.disk
set root=(loop0)
linux /vmlinuz root=/dev/sda1 loop=/ubuntu/disks/root.disk ro quiet splash
initrd /initrd.img
[Code].....
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