From mboxrd@z Thu Jan 1 00:00:00 1970 From: David F Barrera Subject: Re: Kernel panic - not syncing: Attempted to kill init! Date: Mon, 20 Dec 2004 11:53:10 -0600 Message-ID: <41C71186.5070808@us.ibm.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: xen-devel-admin@lists.sourceforge.net Errors-To: xen-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Ian Pratt Cc: xen-devel@lists.sourceforge.net List-Id: xen-devel@lists.xenproject.org Ian, One thing about RHEL 4 is that the devices in /dev seem to be created dynamically, at boot time. When I mount the 'hdc1' partition and go to the /dev directory, there is nothing in it, as on a SuSE 9.0 or earlier Red Hat installs. That is why I need an initrd, I suppose, to make or create those devices. David Ian Pratt wrote: >>Derrick, >> >>I rebuilt the xenU kernel, with the devfs support disabled, and it makes >>no difference. It behaves in the same manner as the pre-built kernel >>that's included with the binary pack. I am at a loss. I've been able to >>boot a kernel under xen on a SuSE Linux 9.0 machine, so I've had a >>little experience with this:-) >> >> > >David, earlier in the boot messages do you see the hdc1 partition >being found when the partition check happens? > >You'll need to export the partition 'rw' eventually, but that's >not your current problem. > >You might like to try exporting it as 'sda1' or something to see >if that helps. Not sure why it would, but I've heard folklore >along these lines. > >Adding some more debugging to the linuxrc nash script might shed >some light on the problem. > >Also, what happens if you skip the initrd and try booting >directly off the disk. I doubt there's anything in the initrd you >need. > >Ian > > > > >>Freeing unused kernel memory: 92k freed >>Red Hat nash version 4.1.18 starting >>Mounted /proc filesystem >>Mounting sysfs >>Creating /dev >>Starting udev >>Creating root device >>Mounting root filesystem >>mount: error 6 mounting ext3 >>mount: error 2 mounting none >>Switching to new root >>switchroot: mount failed: 22 >>umount /initrd/dev failed: 2 >>Kernel panic - not syncing: Attempted to kill init! >> <0>Rebooting in 1 seconds.. >> >> >>David Barrera >> >> >>Derrik Pates wrote: >> >> >> >>>David F Barrera wrote: >>> >>> >>> >>>>The distro I am using is RHEL 4 Beta 2 (Red Hat Enterprise Linux >>>>Desktop release 3.90 (Nahant) >>>> >>>> >>> >>> >>>>/dev/hdc1 / ext2 >>>>defaults 1 1 >>>> >>>> >>> >>> >>>>LABEL=SWAP-hdc2 swap swap >>>>defaults 0 0 >>>>/dev/hda /media/cdrom auto >>>>pamconsole,fscontext=system_u:object_r:removable_t,ro,exec,noauto,managed >>>>0 0 >>>> >>>> >>> >>> >>>># disk = [ 'phy:hda1,hda1,r' ] >>>>disk = [ 'phy:hdc1,hdc1,r' ] >>>> >>>> >>>Well, the configuration of the virtual disk looks correct; the swap >>>might disagree with it, but that shouldn't appear until later in the >>>boot process. Perhaps it's an interaction with devfs? Do you have >>>devfs enabled in your xenU (unprivileged domain) kernel? This gave me >>>fits when I first began using Xen, mostly because it seems that the >>>xenU prebuilt kernel that's included with the binary pack has devfs >>>support enabled, and this breaks things. The only other possibility I >>>can think of is that you need to change the block-device import to >>>read-write. >>> >>> >>> >>------------------------------------------------------- >>SF email is sponsored by - The IT Product Guide >>Read honest & candid reviews on hundreds of IT Products from real users. >>Discover which products truly live up to the hype. Start reading now. >>http://productguide.itmanagersjournal.com/ >>_______________________________________________ >>Xen-devel mailing list >>Xen-devel@lists.sourceforge.net >>https://lists.sourceforge.net/lists/listinfo/xen-devel >> >> > > > >------------------------------------------------------- >SF email is sponsored by - The IT Product Guide >Read honest & candid reviews on hundreds of IT Products from real users. >Discover which products truly live up to the hype. Start reading now. >http://productguide.itmanagersjournal.com/ >_______________________________________________ >Xen-devel mailing list >Xen-devel@lists.sourceforge.net >https://lists.sourceforge.net/lists/listinfo/xen-devel > > > ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://productguide.itmanagersjournal.com/