Ubuntu Servers :: RAID And Hang On Boot Displaying With 10.04
May 15, 2010
I was having this issue with my server when I tried upgrading (fresh install) to 10.04 from 9.04. But to test it out after going back to 9.04 I installed 10.04 server in a virtual machine and found the same issues. I was using the AMD64 version for everything. In the virtual machine I chose openssh and samba server in the initial configuration. After the install I ran a dist-upgrade and installed mdadm. I then created an fd partition on 3 virtual disks and created a RAID5 array using the following command:
Code: sudo mdadm --create --verbose /dev/md0 --level=5 --raid-devices=3 /dev/sd[b-d]1
This is the same command I ran on my physical RAID5 quite a while ago which has been working fine ever since. After running a --detail --scan >> mdadm.conf (and changing the metadata from 00.90 to 0.90) I rebooted and found that the array was running with only one drive which was marked as a spare. On the physical server I kept having this issue with one drive which would always be left out when I assembled the array and would work fine after resyncing until I rebooted. After I rebooted the array would show the remaining 6 drives (of 7) as spares.
I updated mdadm to 3.1.1 using a deb from debian experimental and the RAID was working fine afterward. But then the boot problems started again. As soon as I added /dev/md0 to the fstab the system would hang on boot displaying the following before hanging:
[Code]....
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Feb 1, 2011
Could any RAID gurus kindly assist me on the following RAID-5 issue?I have an mdadm-created RAID5 array consisting of 4 discs. One of the discs was dropping out, so I decided to replace it. Somehow, this went terribly wrong and I succeeded in marking two of the drives as faulty, and the re-adding them as spare.
Now the array is (logically) no longer able to start:
mdadm: Not enough devices to start the array.Degraded and can't create RAID ,auto stop RAID [md1]
I was able to examine the disks though:
Code:
root@127.0.0.1:/etc# mdadm --examine /dev/sdb2
/dev/sdb2:
Magic : a92b4efc
Version : 00.90.00
code....
Code:
mdadm --create --assume-clean --level=5 --raid-devices=4 /dev/sda2 /dev/sdb2 /dev/sdc2 /dev/sdd2
As I don't want to ruin the maybe small chance I have left to rescue my data, I would like to hear the input of this wise community.
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Nov 1, 2010
Forgive the terseness. I'm frazzled with this issue, perhaps I should have asked earlier. Every weekend for the past 2 months has been an endless cycle of 'repair broken system' off the install disk.
Installed from Ubuntu server 10.04LTS x86_64, + xfce-desktop Here is uname -a Linux ournas 2.6.32-25-server #45-Ubuntu SMP Sat Oct 16 20:06:58 UTC 2010 x86_64 GNU/Linux If I add my raid + lvm to the fstab file, the boot stalls, (no error it, just hangs waiting, forever). So that's a not very user friendly to start with.
I've tried the suggestions about UUID in fstab tried using LABEL instead, or even /dev/xxx. Every time it hangs. I've googled this endlessly and not found a solution. So don't ask why... since I seem to have tried every odd suggestion to fix this, I've lost track. There seems to be some consensus that whoever gave us plymouth laid an egg. Forgive me if I'm wrong, but did we need a better graphical boot if it breaks everything else?
[Code]...
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Jun 20, 2011
I have Ubuntu 10.10 (maverick) and I'm using mdadm 3.1.4. I have created a RAID 10 using imsm as the metadata, and this runs successfully if I assemble the RAID from the command line. My question is: How do I get the RAID to auto assemble when I boot the system? I would like to be able to mount the RAID when the system starts up (but the OS is on a separate disk altogether). What I've found out so far is that I must do a Code: update-initramfs -k all -u AFTER I've modified the /etc/mdadm/mdadm.conf file. This is what I've got in my configuration file:
[Code]....
BUT what happens is that when I reboot my server, and then do "ls -l /dev/md*" there is no listing at all for any RAID devices. I actually have to run the assemble command on command line and that is when I see listings for RAID devices under /dev. What am I missing?
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Aug 9, 2011
I have been working in my spare time over the last few days, Had problems with the whole grub2 not installing on RAID 1. Then I found out that I had to have a separate non raid Ext4 partition on one drive with "/Boot" as mount point and install went though fine.
My question is, will the developers FIX this. I mean if I only have 2 x 2tb drives in teh pc as RAID 1, and the one fails with the boot partition the whole machine goes down. Kinda defeats the whole RAID feature huh.
I USED to run a windows network with RAID 5 servers, and windows never had a problem installing everything on the RAID. Or even setting up RAID 1 in the bios on the PC and installing XP or NT4 on the RAID 1. There was never a need for a separate non raid boot partition.
Do we need a separate RAID friendly/enabled Grub? I guess for now I will get a 250gb drive and install the Server OS to it, and setup RAID1 manually after the server OS boots. Then will make a ghost type image of the server in case that drive fails so I can quickly install a new drive and restore the image and get it back up and running again.
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Apr 22, 2010
Ran 'do-release-upgrade -d'on my server running Hardy.No problems during the upgrade.Rebooted after the upgrade completed, and I was presented with the new plymouth screen. This sucks for servers.It sat there displaying the logo for ~5 minutes.Hit CTRL+ALT+F1 through F8 and didn't see anything on the virtual consoles.Finally figured out that I had to hit ESC on the plymouth screen to actually see what was going on.It said /dev/sdi1 had problems along with /dev/md0.It sat there forever with no fsck status and no HDD lights blinking.
SysRq+REISUB and tweaked the boot parameter to remove 'quiet splash' and appended 'S' for single-user mode.Got the attached screenshot.The box has been sitting like this for ~15 minutes.Not entirely sure what to report a bug against at the moment. Plus the somewhat-new requirement of running 'ubuntu-bug' is pretty retarded in this situation. (Yeah, I know I can add some string to the URL to get around it.Why is it such a pain in the *** to report a bug?)I'm going to do some more digging to try and find out what is dying during boot.The new boot process is a bit of a mystery to me still, so if anyone has pointers or any devs want more detailed information,
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Oct 3, 2010
i installed ubuntu server on a 4-hard disk system, i installed with the RAID 10 support that comes with 10.04 server optioon. my raid swap is /dev/md0 and my raid data partition is /dev/md1
hard drives are /dev/sda /dev/sdb /dev/sdc /dev/sdd
the instalation goes fine, from the 8TB im getting 4TB mirrored which is what i want,
but the instalation setup goes up to the point where it asks me to install grub boot loader, There i choose the default option and it does a fatal error.
my main goal is just to make it bootable, any method is welcome. this went beyond my RAID knowledge (more conceptual than technical)
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Feb 20, 2011
I've got a couple of new hard disks that I have partitioned (3 partitions per disk) and set up in a mirrored software raid array using mdadm. They've synced, I've put file systems on them (1 x ext4, 2 x luks + ext4) and I can mount them. I've checked the partitions using fdisk. I've checked the filesystems using fsck. So far so good. Next step is that I'd like mdadm to automatically assemble them on boot. (Not bothered about mounting and crypttabing yet.)
I've used sudo /usr/share/mdadm/mkconf to generate a new mdadm.conf with the appropriate UUIDs for the new partitions. I've checked that this matches the output of sudo mdadm --detail --scan
The new lines in this file are:
ARRAY /dev/md9 level=raid1 num-devices=2 UUID=470fb8a6:45561fe0:ebda4a02:9ba7a1ed
ARRAY /dev/md10 level=raid1 num-devices=2 UUID=f351fbba:c704a4b2:ebda4a02:9ba7a1ed
ARRAY /dev/md8 level=raid1 num-devices=2 UUID=c6ccec17:2274588e:ebda4a02:9ba7a1ed
To check that the mdadm.conf is fine I have stopped the new arrays:
[Code].....
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Nov 26, 2010
I have installed Ubuntu on my m1530 since 8.04 and currently dual boot Win7 and 10.10. I would like to dual boot on my PC, but I have run into a problem. I am not a pro at Ubuntu, but this problem I can not solve by reading forums like I have in the past.
I realize this is a common problem, but I have noticed people having success.
I have a M4A87TD EVO MB with two Seagate drives in Raid 0. (The raid controller is a SB850 on that MB) I use the raid utility to create the raid drive that Windows7x64 uses. I have 2 partitions and 1 unused space. Partition 1 is Windows, partition 2 is for media, and the remaining unused space is for Ubuntu.
I am running ubuntu-10.10-desktop-amd64 off a Cruzer 16GB flash drive that was installed via Universal-USB-Installer-1.8.1.4.
My problem like so many others is that when I load into Ubuntu, gparted detects two separate hard drives instead of the raid. I read that this is because kpartx is not installed on 10.10. I then went in LiveCD mode and downloaded kpartx from Synaptic Manager. Gparted still reported two drives. I opened terminal and run a few commands with kpartx. I received an error. (Forgive me I didn't write it down, but I believe it said something about a communication error. I will try again later and see.)
Currently I am reflashing the Cruzer with a persistence of 4GB. I am not familiar with this process, but I understand that my LiveCD boot will save information I download to it. I decided to try this method because I was going to install kpartx and reboot to see if this made a difference.
I am looking for any suggestions on a different method or perhaps someone to tell me that the raid controller or some hardware isn't supported. I did install ubuntu-10.10-alternate-amd64 on my flash drive, but fail to get past detecting my CD-ROM drive since it's not plugged in. If this method is viable, I will plug it in. I also watched the ..... video were a guy creates Raid 0 with the alternated CD, but it wasn't a dual boot and didn't use a raid controller from a MB.
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Mar 17, 2010
I have an Ubuntu 9.10 server set up at my house. I have Apache2 and PHP5 installed on it. Every time I go to the server on a web page and try to load the PHP index page it downloads instead of displaying.
I have virtual servers set up and have the files stored at /home/cusinndzl. If anyone needs to take a look I can let them into the webmin panel.
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May 26, 2011
I'm having a bit of trouble getting my index.html to display. when i use [URL] and type in my dyndns url i just get "index of /" and not the index.html page
ive got a index.html in var/www and home/gav/public_html and set chmod -R 755 to the index.html
and still no joy....
gav@lapfrog:/etc/apache2$ gksudo gedit httpd.conf
Userdir public_html
Options +Indexes
Options All
[Code]....
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Jan 4, 2011
I added another disk in server and create mount point in fstab:
/dev/VolGroup00/LogVol00 /opt ext3 defaults 1 2
Everything is working perfect... halt, boot, system... but when I wanna to reboot with a command sudo reboot, it hangs at the end of all initialization when it's rebooting and some number. If I remove disk in fstab, than reboot working.
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Apr 20, 2011
so this is really the result of another problem. There seems to be an issue with CPU spiking to 99% forever (until reboot) if I run apt-get or synaptic or update manager while an external USB drive is plugged in. Note, other USB peripherals are no problem, just an external HD.
So my work around was to eject the drive when doing apt-get or other installation work, then reattaching it to remount. Now, on to the present problem. I'm using the basic backup script (the rotating one) found in the Ubuntu Server manual. It uses tar and gzip to store a compressed version of the desired directories on my external USB. (which sits in a fire proof safe - this is for a business)
However, it seems tar and gzip which run nightly 6 days a week via cron as root, don't ever want to die, and they don't release the drive. I have to reboot the system (I can't logoff) to release the drive, unplug it, the I can do update/install work.
Of course, if apt etc. would work fine without conflicts with the external device, I'd not care about the tar/gzip problem other than it generally isn't a proper way for them to function and it chews up some CPU cycles. (they run about 0.6 and 1.7 percent respectively) I also can't kill them via kill or killall. They seem undead.
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Jan 8, 2011
I upgraded my ubuntu 64 bit from 10.04 to 10.10 using the update manager on my Laptop ASUS, F80Series, 4Gb Ram, CPU Duo T8100. Ubuntu 10.10 could never boot: it always gets stuck. I tried the "recovery mode". The last two messages written, before getting stuck are:
[1.729408 ] NET: Registered Protocol Family 1
[1.730110] Registered Taskstat Version 1
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Jan 9, 2011
My machine is running in Pentium(R) 4 CPU 1.7Ghz, Nvidia legacy Riva tnt/tnt2 and a 512mb ram. I have a Network adapter, Realtek RTL8139 Family PCI Fast Ethernet NIC. I have installed Ubuntu in my Window Xp, and used the ACPI workaround to install ubuntu on my PC. Now that I have installed Ubuntu, when I try to boot ubuntu, it always hang before it start to boot.
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Jun 21, 2010
Upgraded dual boot XP / Ubuntu 2.6.31-22 (still works) to 2.6.32-22, which hangs on boot. "2.6.32-22 recovery mode"(and "continue" dies at "Checking battery state". Ctrl Alt F3 gets a prompt and the login works.
The machine is a Thinkpad g40, which has worked on 9.10, except for wireless distance issues (the G40 has the Atheros AR5211, which seems to be a problem, at least per the forums, and my distance limits experience)
I get the same mount and chroot messages, followed by scrolling msgs, and then a blank screen on attempting to boot 2.6.32-22. And, as indicated, 2.6.31-22 boots and the apps I checked work fine. On the upgrade, there were several msgs about non supported apps and a grub question, which I (naively) answered as use the package version (and was somewhat surprised when dual boot still worked - but impressed and happy
I cloned my hard drive prior to the upgrade, so can revert to 9.10, but would like to run 10.04 LTS. Any suggestions. or should I wait for a while to upgrade?
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Sep 15, 2010
It's been a real battle, but I am getting close.I won't go into all the details of the fight that I have had, but I've almost made it to the finish line. Here is the set up. ASUS Z8PE-D18 mother board 2 CPU, 8 Gig Ram. I recently added an OCZ Agility SSD, defined a raid 1 virtual disk on the 1 terabyte WD HDD drives, which will holds all of my user data, the SSD is for executables.The bios is set to AHCI. Windows 7 installed fine, recognizes the raid VD just fine.
I installed Ubuntu 10.04 by first booting into try and mode, then opening a terminal and issuing a "sudo dmraid -ay" command. Then performing the install. I told it to install the raid components, and told it to let me specify the partitions manually. When setting up the partitions, I told it to use the free space I set aside on the SSD from the Windows 7 install as ext4 and to mount root there. Ubuntu installed just fine, grub2 comes up just fine, and Windows 7 boots with out a hitch, recognizing the mirrored partition as I indicated previously. When I tell grub to boot linux however, it pauses and I get the "no block devices found" message. It will then boot, but it does not recognize the raid array. After Ubuntu starts up I can run "dmraid -ay" and it recognizes the raid array, but shows the two component disks of the raid array as well. It will not allow the component disks to be mounted, but they show up which is annoying. (I can live with that if I have to)
I have fixed a similar problem before by setting up a dmraid script in /etc/initramfs-tools/scripts/local-top ... following the instructions found at the bottom of this blog:[URL].. To recap: My problem is that after grub2 fires up Ubuntu 10.04.1 LTS (Lucid Lynx), it pauses, and I get "no block devices found" It then boots but does not recognize the raid array untill I manually run "dmraid -ay". I've hunted around for what to do but I have not found anything. It may be some timing issue or something, but I am so tired of beating my head against this wall.
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Mar 29, 2010
I have 2 NVidia graphics cards, a GTX275 and a GT210. My system boots just fine in 32-bit Windows 7, so I know it isn't a hardware problem.Linux boots fine with either the GTX275 or the GT210 installed, but hangs after the file system check if both are installed. My motherboard has 3 pci-e slots, an x1, x4, and an x16. I've tried various configurations, all fail except 1 graphics card installed in either of these slots. I got my system to boot a couple of times with both cards installed in Xbuntu 9.10. Then this problem randomly happened.
System Specs:
Ubuntu 10.04 Beta, 2.6.32-16 Kernel
MSI N275GTX Twin-Frozr 896MB
MSI N210GT 512MB (got it for VDPAU on an HDTV )[code].....
I'm not inclined to believe the problem is here. I don't even get a bootsplash, let alone XServer to start. The system hangs after a flurry of HDD activity. Checked partition, and it's ok.
/var/log/boot.log
Code:
fsck from util-linux-ng 2.17.2
/sbin/fsck.xfs: XFS file system.
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May 2, 2010
I'll say up front I'm still new to Ubuntu, so if I've missed anything obvious please forgive me. I chose to upgrade my 9.10 installation to 10.04 via the update manager. Especially since I was going to be gone for long periods of time, this seemed like a good idea.
Downloading went fine, but I had to leave for a two day trip once I clicked install. When I returned, I noticed the machine was still on the purple loading screen with four dots. When I shut it down and rebooted, it got to the same screen. Pressing escape to show the text behind the screen showed two fails and one oddity:
(1) Setting sensors limits "Rather than invoking init scirpts through /etc/init.d, use the service( utility, e.g. service S49console-setup start
Since the script you are attempting to invoke has been converted to an upstart job, you may also use the start( utility, e.g. start S49console-setup start: Unkown job: S49consile-setup"
(2) Starting VirtualBox kernel modules No suitable module for running kernels found
[Code]...
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Mar 7, 2011
I have Fedora 13 installed on a new PC and have two types of intermittent boot hangups. What logs exist within Fedora 13 that may help me identify the cause or causes of these hangups? Todate, a reboot gets over the problems but I wish to get this sorted whilst the PC is still under warranty.
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Jul 15, 2011
I'm migrating from XP to Ubunta 11.04. My PC: Toshiba Sat A30-921 L/top CPU: Pentium(R) 42.84GHz RAM: 512Mb Display Adapter: ATI Radeon 9000 IGP K/board: std 102/103 PS2 Pointing Device: Alps PCMCIA Adapter: ENE CB1410 Cardbus Controller Wireless Adapter: D-LINK GDWA 610
The installation went well from start to finish. Made it dual boot with XP. Hooked in the Eth cable & went online right away. Then enabled the W/less network adapter - all OK. Using 'Classic', so it's just normal screen after boot. Problem is random 'Freeze' or 'Hang Ups'. It's hung 12 - 14 times in 2 days! K/brd T/pad frozen out. Only recovery is to use master power switch & reboot. NEVER hung in XP in 7 years! (done other bad things though) Does Ubunta have switch like Cntrl + Alt + Delete in Win?
Tried many combinations but to no avail. I've tried quite a few Linux flavours (from Live CD) & they all displayed the same fault!! Before it hangs, I've been able to browse around Ubunta Apps: Places: System: Firefox: Internet: etc. Where do I start to track the problem down? I'm vaguely familiar (XP) with Terminal & cmd line processor but dont know any of the codes used.
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Mar 10, 2011
I had to replace the motherboard, processor, memory on a machine because the old motherboard died. It worked fine under the old board but the new board (Gigabyte 880GA-UD3H) is causing Fedora 11 (and the Fedora 14 Live CD) to fail when initializing an Adaptec AHA-3940UW SCSI adapter.
I was able to display the boot messages and found that the first channel on the adapter is fine, but the second channel causes the boot to hang. The messages are:
aic7xxx 0000:05:04.0: PCI INT A -> GSI 21 (level, low) -> IRQ 21
scsi6 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 7.0
<Adaptec 3940 Ultra SCSI adapter>
aic7880: Ultra Wide Channel A, SCSI Id=7, 16/254 SCBs
aic7xxx 0000:05:05.0: PCI INT A -> GSI 22 (level, low) -> IRQ 22
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Jul 13, 2010
Anyone ever see anything like this on bootup?
[url]
The display freezes/hangs, but the kernel is still kind of responsive because I can hit Ctrl-Alt-Del and after many seconds it reboots.
I can get it (Slackware 13.0) to boot this same kernel just fine from CD; it's only the normal bootup, after the install finishes, that this happens.
I enabled netconsole so I could see the messages, shown below, but there are no errors reported. The display corrupts and hangs at the "TCP cubic registered" message which appears to be unrelated to anything video-wise.
Code:
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Nov 22, 2010
On boot I get
** Warning -- SELinux relabel is required. ***
*** Disabling security enforcement. ***
*** Relabeling could take a very long time, ***
*** depending on file system size. ***
On the next screen the boot hangs. There is a solution posted here: [URL] it states I booted my VM from a rescue CD ISO, mounted the root directory, and:
# cd /mnt/local
# rm -f .autorelabel
Once this is done you may want to consider upgrading your VM to more -current that has this fixed. I've booted using a knoppix CD, but I don't know how to mount the root directory to try the fix.
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Aug 14, 2010
I've been having problems with start_udev on my machine post kernel 2.6.18-162 on my CentOS machine. A previous install would work on the old kernelut not the newer ones. I recently did a completely fresh install of CentOS 5.5o see if maybe there was a orruption in my install when it upgraded,t I still have the problem of udev hanging on startup.Using the rescue option on the disk, I've managed to track the problem down to the 50-udev.rules file. Through trial and error, I moved all the .rules files out of the rules.d directory, and added them back one at a time to see which one(s) caused the system to hang, and which ones it carried on booting as normal with. The only one that causes it to hang is the 50-udev.rules.
From what I can tell, this rules file is responsible for letting udev check various pieces of hardware. I think that it is failing whent runs modprobe on a pci device address.Only problem is I don't understand the rules file syntax, so I don't know if I can simply comment out or change a line in this file to skip the device that its looking for.Can anybody help me track down the specific device/line that is doing this?(I've kept the file out of the folder for now and my system appears to continue operating, but I get the occasional problem that for all I know could be due to udev not having a complete start up).
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Mar 29, 2010
Fedora hanging during boot when new drives are connected.
I'm running an FC12 install on a 750gig Samsung SATA drive. BIOS is set for drives to be AHCI
I've got 3 other identical 750's, two of which have never been used (as in never been written to). None of the drives have any jumpers set on them, as I've read that SATA handles that. At some point, all 4 drives were connected, and I had formatted one of the drives and backed some data up to it. But a reboot left me with FC hanging on load and the solution was to unplug all 3 other drives. I left it alone for a month.
Troubleshooting this weekend, I found with just my active drive and one of the untouched drives connected, FC still hangs. What I mean by hanging is that the blue background appears with the un-filled 'F' logo which filles diagnally under normal conditions. Mine will not begin to fill, and keyboard commands are not recognized.
It almost resembles a master/slave problem, but I thought that was gotten rid of with SATA. I tried setting the BIOS to use IDE-compatibility mode and set the order of the drives but the problem was the same, though I did not try any jumper arrangements.
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Aug 2, 2010
I've down loaded the live CD for SUSE 11.3 and, using isohybrid and dd, I put the contents onto a USB stick and made it bootable. All good so far.
I then installed SUSE on one of the partitions on my hard disk (Windows is also on the disk). I set 4GB for SWAP, 16 GB for ROOT and the rest ~270 for /HOME.
I set the bootloader to be installed in the MBR.
The installation completed with no problems indicated.
I was asked to reboot and did so, removing the usb stick so that 11.3 would boot.
The reboot failed! I was presented with a black screen and nothing else happened.
I tried again, selecting openSUSE 11.3 from the boot menu. - Again a black screen shortly after pressing enter.
I can boot in Failsafe mode and then login with text prompt. I can't boot into runlevel 3 (same problem - black screen)
Does anyone know whether this is a problem with network configuration or graphics?
I have a notebook with ATI Radeon Mobility HD 5650 graphics card and
ATHEROS ar8132 ethernet controller.
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May 23, 2010
After a kernel update action, it seems that I'm unable to boot a system anymore. First off, after installing the kernel, and trying to shutdown to boot to the new kernel, the system replied with INIT: no more processes left in this runlevel. Kernel update was performed from to the following versions 2.6.18-128.el5.img -> 2.6.18-164.11.1.el5.img . The system is a VMWare virtual machine. When trying to reboot, the system passes GRUB, starts initializing and after loading the dm it stops for a few seconds at the message Waiting for new devices, show the following message:
Setting up new root fs no fstab.sys, mounting internal defaults. After this and a few other messages, it displays : INIT: version 2.85 booting INIT - No more processes left in this runlevel INIT: Id "x" respawning too fast : disabled for 5 minutes And then it just hangs. This is the output of my inittab:
[code]...
The system boots into failsafe, but still shows the errors mentioned.
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Feb 15, 2010
New install of Fedora 12 64-bit from DVD on an Optiplex 740 (AMD) with 8GB memory I had to use the mem= option to get the install past the EDD probe, but it seemed to install successfully. Now on boot it goes all the way through the "filling icon" progress meter, then switches to a completely black screen with an X pointer cursor that responds to mouse movement, but nothing else happens. Ctrl-Alt-F{2-5} do not switch to a console login, so the system's inaccessible.
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Mar 18, 2011
Now, all of a sudden, after I restarted after a system update, My dell desktop inspiron hangs on boot. The kernel is: 2.6.34.8-68.fc13.i686. Not only that, but the system won't boot for any of the remaining previous kernels.
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