Oops .. sorry about that .. Here is the xen 3.1 grub.conf:
default=0
timeout=15
splashimage=(hd0,0)/grub/splash.xpm.gz
hiddenmenu
title Red Hat Enterprise Linux AS (2.6.9-55.0.6.ELsmp)
root (hd0,0)
kernel /vmlinuz-2.6.9-55.0.6.ELsmp ro root=LABEL=/ noapic rhgb quiet
initrd /initrd-2.6.9-55.0.6.ELsmp.img
title Red Hat Enterprise Linux AS (2.6.9-55.0.6.EL)
root (hd0,0)
kernel /vmlinuz-2.6.9-55.0.6.EL ro root=LABEL=/ noapic rhgb quiet
initrd /initrd-2.6.9-55.0.6.EL.img
title Red Hat Enterprise Linux AS (2.6.9-55.ELsmp)
root (hd0,0)
kernel /vmlinuz-2.6.9-55.ELsmp ro root=LABEL=/ noapic rhgb quiet
initrd /initrd-2.6.9-55.ELsmp.img
title Red Hat Enterprise Linux AS-up (2.6.9-55.EL)
root (hd0,0)
kernel /vmlinuz-2.6.9-55.EL ro root=LABEL=/ noapic rhgb quiet
initrd /initrd-2.6.9-55.EL.img
title Xen-SmartIO-2.6 (Compiled)
root (hd0,0)
kernel /xen-3.1.0.gz
module /vmlinuz-2.6.18-xen ro root=/dev/sdb2 console=tty0
module /initrd-xen.img
Nothing unusual about the lines above the kernel panic just the
regular init stuff.
I did depmod before mkinitrd but the initrd doesnt seem to be picking
up the ehci-hcd module for some reason.
Did you have to do any special config changes to make the initial ramdisk ?
Thanks,
Adit
On 9/18/07, Martin Goldstone <m.j.goldstone@xxxxxxxxxxxxxxx> wrote:
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> Hash: SHA1
>
> Hi,
>
> I've got Xen 3.1 running on a couple of 1950's here with SAS drives (I'm
> running CentOS 5 though, not RHEL4u5, but I can't see that causing the
> problem you're seeing). I encountered a few problems to begin with, and
> one or two still trip me up when I set up a new server (I swear,
> sometimes it can't decide whether it wants root=LABEL=/ or
> root=/dev/sdXX, mostly its the latter IIRC). You might want to try
> playing with that.
>
> I know it might seem stupid, but you did depmod it, didn't you? That
> caught me out on a couple of occasions. I'd also make sure you
> explicitly include sd_mod, scsi_mod and any megaraid modules you can
> find in your initrd. Also, your grub.conf doesn't show the same files
> that your mkinitrd command does, can you verify you are definately using
> a kernel that was compiled with xen 3.1?
>
> Also, is there any meaningful output above those lines that you've
> mentioned from the panic?
>
> Hope this helps,
>
> Mart
>
> Adit Ranadive wrote:
> > Hi,
> >
> > Im having some issues with installing/running Xen 3.1 (source tree
> > from the 3.1 tree). The host OS is Red Hat 4 Update 5. Everything is
> > downloading and compiling fine.
> > The problem arises when I need to create an initrd.
> > The server comes with SCSI disks and Im not sure if this version of
> > Linux (2.6.18) supports them. I make the initrd with the follwoing
> > command:
> >
> > mkinitrd -v -f initrd-xen.img 2.6.18-xen (i cannot use the
> > --omit-scsi-modules since i need them).
> >
> > It loops on this "Looking for deps of ehci_hcd" . Ive tried changing
> > the config flags to build the required scsi modules into the kernel or
> > just as modules but it still gives the same error.
> > Also if I build it with the --omit-scsi-modules flag and boot into Xen
> > I get the Kernel panic error:
> >
> > mount: error 6 mouting ext3
> > mount: error 2 mouting none
> > Switching to new root
> > switchroot:mount failed: 22
> > umount /initrd/dev failed:2
> > Kernel panic - not syncing : Attempted to kill init!
> >
> > Any suggestions on how to fix the drivers to use the scsi hard disks?
> >
> > Thanks,
> > Adit
> >
> > My fstab file:
> >
> > LABEL=/ / ext3 defaults 1 1
> > LABEL=/boot /boot ext3 defaults 1 2
> > none /dev/pts devpts gid=5,mode=620 0 0
> > none /dev/shm tmpfs defaults 0 0
> > LABEL=/home /home ext3 defaults 1 2
> > none /proc proc defaults 0 0
> > none /sys sysfs defaults 0 0
> > LABEL=SWAP-sda3 swap swap defaults 0 0
> > /dev/hda /media/cdrom auto
> > pamconsole,fscontext=system_u:object_r:removable_t,exec,noauto,managed
> > 0 0
> > /dev/scd0 /media/cdrom1 auto
> > pamconsole,fscontext=system_u:object_r:removable_t,exec,noauto,managed
> > 0 0
> >
> > My grub conf:
> >
> > default=0
> > timeout=15
> > splashimage=(hd0,0)/grub/splash.xpm.gz
> > hiddenmenu
> > title Red Hat Enterprise Linux AS (2.6.9-55.0.6.ELsmp)
> > root (hd0,0)
> > kernel /vmlinuz-2.6.9-55.0.6.ELsmp ro root=LABEL=/ noapic rhgb quiet
> > initrd /initrd-2.6.9-55.0.6.ELsmp.img
> > title Red Hat Enterprise Linux AS (2.6.9-55.0.6.EL)
> > root (hd0,0)
> > kernel /vmlinuz-2.6.9-55.0.6.EL ro root=LABEL=/ noapic rhgb quiet
> > initrd /initrd-2.6.9-55.0.6.EL.img
> > title Red Hat Enterprise Linux AS (2.6.9-55.ELsmp)
> > root (hd0,0)
> > kernel /vmlinuz-2.6.9-55.ELsmp ro root=LABEL=/ noapic rhgb quiet
> > initrd /initrd-2.6.9-55.ELsmp.img
> > title Red Hat Enterprise Linux AS-up (2.6.9-55.EL)
> > root (hd0,0)
> > kernel /vmlinuz-2.6.9-55.EL ro root=LABEL=/ noapic rhgb quiet
> > initrd /initrd-2.6.9-55.EL.img
> > title Xen-SmartIO-2.6 (Compiled)
> > root (hd0,0)
> > kernel /xen.gz
> > module /vmlinuz-2.6.16-rc3-xen0 ro root=/dev/sdb2 console=tty0
> > module /initrd-xen0-1.img
> >
> >
>
> - --
> Martin Goldstone Keele University, Keele,
> IT Systems Administrator Staffordshire, United Kingdom, ST5 5BG
> Computing Services Telephone: +44 1782 584457
>
> "I feel a great disturbance in the network, as if millions of
> processes cried out in terror and were suddenly silenced"
> Boyd Duffee
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>
--
Adit Ranadive
MS CS Candidate
Georgia Institute of Technology,
Atlanta, GA
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