Grub Error 18 Selected Cylinder Exceeds Maximum Supported By Bios
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General support questions Post Reply Print view Search Advanced search 5 posts • Page 1 of 1 Stickybit Posts: 4 Joined: 2011/11/18 09:46:46 Grub Error 18 Quote Postby Stickybit » 2013/03/26 18:48:33 Hi guysAm I in trouble? Yes I am. Got a server that has been running for half a year .. and now .. it just will not boot. Grub complains with this error:Error 18: Selected cylinder exceeds maximum supported by BIOSI havn't changed anything with the hardware. The only thing that has changed is regular updating.Could some Grub update be the problem here - and how do I revert if that is the case?Regards Sticky Top TrevorH Forum Moderator Posts: 16858 Joined: 2009/09/24 10:40:56 Location: Brighton, UK Grub Error 18 Quote Postby TrevorH » 2013/03/26 21:27:40 Can https://ubuntuforums.org/showthread.php?t=1327989 you choose a different kernel from the list in the grub menu and boot that instead? Check your BIOS hard drive mapping and make sure the geometry has not changed - maybe your CMOS battery has reset and lost a bunch of settings? Top Stickybit Posts: 4 Joined: 2011/11/18 09:46:46 Re: Grub Error 18 Quote Postby Stickybit » 2013/03/27 05:56:04 Trying to boot the older kernel's produce the same error, while booting the win7 installation on the same disk (which actually is a http://www.centos.org/forums/viewtopic.php?t=3821 raid1) works just fine.Could some strange disk error produce this problem? - and is there a way to check the mirror for errors using rescue-mode with a installation media?Regards Sticky Top TrevorH Forum Moderator Posts: 16858 Joined: 2009/09/24 10:40:56 Location: Brighton, UK Re: Grub Error 18 Quote Postby TrevorH » 2013/03/27 09:16:03 I've seen this before on the forums and it has to do with the RAID 1. Can you post your /boot/grub/grub.conf here? Might have to boot from rescue disk to do so.The problem is that grub asks the device for its geometry and the BIOS for the limits from which it can boot and the RAID 1 "disk" returns some bogus geometry with about a million cylinders and it looks to see where the kernel is on there and gives up. Top Display posts from previous: All posts1 day7 days2 weeks1 month3 months6 months1 year Sort by AuthorPost timeSubject AscendingDescending Post Reply Print view 5 posts • Page 1 of 1 Return to “CentOS 6 - General Support” Jump to CentOS General Purpose CentOS - FAQ & Readme First Announcements CentOS Social User Comments Website Problems CentOS 7 CentOS 7 - General Support CentOS 7 - Software Support CentOS 7 - Hardware Support CentOS 7 - Networking Support CentOS 7 - Security Support CentOS 6 CentOS 6 - General Support CentOS 6 - Software Support CentOS 6 - Hardware Support
supported by BIOS -------------------------------------------------------------------------------- Hi, I am running Jaunty Jackalope on a new machine and after a https://answers.launchpad.net/ubuntu/+source/grub/+question/93844 recent update I got the following message when trying to reboot: https://linuxformat.com/forums/viewtopic.php?t=6109 Error 18 - Selected cylinder exceeds maximum supported by BIOS After reading some of the info on Grub error 18 I decided to create a separate boot partition, as suggested. However, when trying to use Gparted from the live CD to create grub error some space ahead of /sda1, Gparted would run for a while and then crash. The crash message says: "e2fsck crashed with SIGSEGV in qsort" So now I am stuck, unable to boot from HDD and unable to create new partitions (the other partitions on the disk work fine with Gparted). Could all grub error 18 of this be due to corrupt /sda1 partition? Since I am pretty new at this I would appreciate any help. Thanks in advance! Ludmil Question information Language: English Edit question Status: Answered For: Ubuntu grub Edit question Assignee: No assignee Edit question Last query: 2009-12-12 Last reply: 2009-12-12 Related bugs Link existing bug Related FAQ: None Link to a FAQ actionparsnip (andrew-woodhead666) said on 2009-12-12: #1 http://ubuntuforums.org/showthread.php?t=996713 Ludmil (ludmil) said on 2009-12-12: #2 Hi, I ran fdisk and here's what it shows: ubuntu@ubuntu:~$ sudo fdisk -lu Disk /dev/sda: 500.1 GB, 500107862016 bytes 255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectors Units = sectors of 1 * 512 = 512 bytes Disk identifier: 0x000adb2d Device Boot Start End Blocks Id System /dev/sda1 * 63 799442594 399721266 83 Linux /dev/sda2 953040060 976768064 11864002+ 5 Extended /dev/sda5 953040123 976768064 11863971 82 Linux swap / Solaris ubuntu@ubuntu:~$ sudo umount /dev/sda1 umount: /dev/sda1: not mounted ubuntu@ubuntu:~$ sudo fsck -y /dev
Login Resolved Grub Error 18: Selected cylinder exceeds The place to post if you need help or advice Moderators: ChriThor, LXF moderators Post a reply 4 posts • Page 1 of 1 Resolved Grub Error 18: Selected cylinder exceeds by Ram » Thu May 31, 2007 8:24 am maximum supported.. by BIOS. When trying to boot up Kubuntu. HDD Setup hda (120gig split into 2 partitions) hda1 XP hda2 XP hdb (80gig) hdb1 ( Kubuntu - 7.04 ) This is the one that's causing the error. hdb5 swap sda (160gig split 20 /140 gig) sda1 ( old suse 10.1 / ) sda2 (backups) sdb (80 gig split 20 /60 ) sdb1 currently a fresh install of Kubuntu root changed from openSUSE 10.2/10.3 ) sdb2 /home Issue started after I upgraded openSUSE 10.2 to 10.3 and it re-wrote GRUB, oS now maps hda into sda, hdb - sdb, sda - sdc and sdb to sdd. So I've re-installing oS10.2, still had the same issue with GRUB. Last I first installed Debian etch to have a quick look at it, still the same issue with GRUB ( Looks nice btw), In the end I did a fresh install of Kubuntu over Debian and using my /home from the previous oS 10.2 installation. Still have the same issue with GRUB so I can currently boot into XP or the fresh install of Kubuntu. I have run testdisk, no errors found, I can access all the data, just not able to boot into it. I've found some interesting info here http://wiki.linuxquestions.org/wiki/GRUB Does anyone else have any idea how to resolve this ? FIA Last edited by Ram on Thu May 31, 2007 5:07 pm, edited 1 time in total. lubuntu LXDE 13.10 running on AMD Phenom II*4; ASUS Crosshair III Formula MB; 4 GB Ram..... Ram LXF regular Posts: 1691Joined: Thu Apr 07, 2005 9:44 pmLocation: Guisborough ICQ Top RE: Grub Error 18: Selected cylinder exceeds maximum support by pootman » Thu May 31, 2007 11:00 am Can you post whichever /boot/grub/menu.list grub is using, and tell us which disk it's on? This signature has been produced using traditional writing methods on behalf of The Campaign For Real Slogans. To enjoy this signature at its best, adjust your monitor's resolution to 1024x768. pootman LXF regular Posts: 430Joined: Tue Jan 09, 2007 12:25 pmLocation: Scotland, North of England Top RE: Grub Error 18: Selected cylinder exceeds maximum support by Ram » Thu May 31, 2007 11:3