> Cannot Read
> Cannot Read /boot/grub/device.map
Cannot Read /boot/grub/device.map
My experiments with native GRUB (GRUB completely outside an operating system by booting with a GRUB floppy to a grub> prompt) indicated to me that it never uses or creates a EDIT: Requested outputs: fdisk -l Disk /dev/sda: 163.9 GB, 163927522816 bytes 255 heads, 63 sectors/track, 19929 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 Not the answer you're looking for? more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed his comment is here
The bug is about what happens in the case where grub *is* using /boot/boot/grub/. You can also add tags to further improve searchability. The / partition is /dev/sda2, or hd(0,1). Draw a hollow square of # with given width How do fonts work in LaTeX? http://askubuntu.com/questions/48390/grub-install-from-live-cd-urgent
Install boot loader in master boot record of first hard disk. How to gain confidence with new "big" bike? I'm not sure I understand "without a partition table" part. I've never seen that before :o –Lekensteyn Jun 12 '11 at 19:10 /dev/sdc is my USB flash stick, you can ignore that.
Information forwarded to [email protected], GRUB Maintainers : Bug#477304; Package grub-common. Then I stumbled on your post and in an instant it gave me exact reason for the behavior I was observing on my system. If I remove these drive paths from the map file, the warning goes away. –Otheus Nov 24 '15 at 13:00 add a comment| up vote 2 down vote Its not mandatory If so, why is it better to leave /boot in the same partition as /? –phunehehe Dec 27 '10 at 13:01 2 @phunehehe: You can have LVM without a separate
share|improve this answer answered Dec 27 '10 at 10:15 Keith 5,0911521 3 Linux doesn't care. Is it an external one? EDIT: Thanks to your question, I just overhauled our KCS solution on this topic. Should I file a bug report for this?
Optionally, do find/boot/grub/stage1 to find which partitions have the required Grub files in /boot/grub. share|improve this answer answered Dec 27 '10 at 12:37 Gilles 376k716881134 4 It's used by the guest Gentoo OS in VirtualBox. How do I reinstall grub?1Multiple Windows 7 installations from Grub1Detect Grub target currently in use2Is it possible to install GRUB from a Debian install disk to also support an existing WinXp/Win8.1 Native GRUB is your best bet for installing GRUB in cases of IDE/SATA device confusion by GRUB.
Copy sent to GRUB Maintainers . http://unix.stackexchange.com/questions/14870/grub-install-from-live-cd Processing triggers for man-db ... Full text and rfc822 format available. Adverb for "syntax" At delivery time, client criticises the lack of some features that weren't written on my quote.
The device.map file provides a way to correct such errors, I believe, for the purpose of correctly re-installing GRUB. Should I file a bug report for this? Any idea? weblink I just started to help :) Good that it's now fixed for you.
EDIT: After apt-get install grub, I repeated the process and got: Probing devices to guess BIOS drives. grub2 doestn't have this problem as you now know, too. >It seems that if the above steps aren't taken the user will be left with >an unbootable system. asked 5 years ago viewed 1155 times active 5 years ago Related 0How to modify GRUB to boot from e.g.: USB or CDROM?0Puppy frugal install Harddisk Grub Problem3Deleted GRUB root directory.
asked 2 years ago viewed 7958 times active 1 year ago Related 5Windows 7 doesn't boot after Ubuntu install1Unable to boot: Missing Operating system0Not booting into Ubuntu 14.105Can't boot to Ubuntu,
GRUB avoids this problem nowadays by using UUIDs or file system labels when generating grub.cfg, and we advise that you do the same for any custom menu entries you write. For example, starting the GRUB shell with simply grub causes it to ignore the device.map file and probe devices. If you want to reinstall grub in rescue mode, you have two choices: With Chroot Make sure root filesystem is mounted at /mnt/sysimage and "boot" filesystem is mounted at /mnt/sysimage/boot Chroot update-grub > > It seems that if the above steps aren't taken the user will be left with > an unbootable system.
This is only relevant when running the GRUB shell as a Linux program (command grub). Log Out Select Your Language English español Deutsch italiano 한국어 français 日本語 português 中文 (中国) русский Customer Portal Products & Services Tools Security Community Infrastructure and Management Cloud Computing Storage JBoss Full text and rfc822 format available. check over here Full text and rfc822 format available.
You only waste a few kilobytes, and gain readability under many non-Linux OSes and less surprise for any co-sysadmin. Ubuntu boot folder does not exist on any partition0working 14.04 ubuntu to error: no such device: grub rescue>0Issues with GRUB on reinstallation of Ubuntu 16.04 (dual-boot)0Ubuntu 14.04.1 GRUB & softraid - Advisor professor asks for my dissertation research source-code At delivery time, client criticises the lack of some features that weren't written on my quote. This bug probable belongs more to grub-legacy then grub-common which only contains grub-probe and grub-mkimage I don't think the problem is grub-probe, it's more how it's called from grub-legacy scripts I
Message #47 received at [email protected] (full text, mbox, reply): From: Teodor To: "Felix Zielcke" Cc: [email protected] Subject: Re: Bug#477304: Grub fails to find /boot/boot/grub/device.map Date: Wed, 23 Jul 2008 Active Contributor 387 points 8 August 2013 10:22 AM Daryl Herzmann Thanks for the detailed response. Modern versions of the Linux kernel may probe drives in a different order from boot to boot, and the prefix (/dev/hd* versus /dev/sd*) may change depending on the driver subsystem in It always probes devices and, according to the GRUB manual, does so most accurately of all by using BIOS calls as opposed to system calls and libc functions as do the
Repeated grub reinstalls had made the device map totally useless and grub wasn't finding the root disk. Instead it complained: grub-probe: error: Cannot open `/boot/grub/device.map' On a system with a separate /boot partition (such as this one), I would have thought that device.map should live in /boot/boot/grub along What's the best way to build URLs for dynamic content collections? When I try: sudo mount /dev/sdb7 /media/ubuntu_mpt mount: block device /dev/sdb7 is write-protected, mounting read-only So I failed to install grub since I'm in read only mode.
grub-install/dev/sda1 Install Grub files in directory /boot/grub of current partition.