[linux-lvm] Can not boot: unable to mount root fs:

[linux-lvm] Can not boot: unable to mount root fs:

[Samuel A. Rogers]

So far I can not compile and boot any kernel from 2.4.19 - 2.4.21. I get the below error message:

VFS: cannot open device 3a:00
kernel panic: VFS: unable to mount root fs 3a:00

I took this from an archive message and it should be very close to the message I get except for the 
device number. I think mine says 1a:00 as I am only using ide and not scsi. The system locks up and 
I have to manually press the reset button to reboot.

I have checked the archives but could not find a solution.

Also the kernels I get from Redhat can boot just fine, but they have turned off my sound card so I 
need to regen the kernel. I have tried to get ahold of Redhat by phone, e-mail and newsgroup but no 
reply.

Regards,

	Sam Rogers.

Re: [linux-lvm] Can not boot: unable to mount root fs:

[Herbert Poetzl]

On Tue, Sep 02, 2003 at 10:10:22AM -0700, Samuel A. Rogers wrote:
> So far I can not compile and boot any kernel from 2.4.19 - 2.4.21. I get 
> the below error message:
> 
> VFS: cannot open device 3a:00
> kernel panic: VFS: unable to mount root fs 3a:00

send some more information, like a complete
bootup log, your boot loader and your kernel
configuration ...

best,
Herbert

> I took this from an archive message and it should be very close to the 
> message I get except for the device number. I think mine says 1a:00 as I am 
> only using ide and not scsi. The system locks up and I have to manually 
> press the reset button to reboot.
> 
> I have checked the archives but could not find a solution.
> 
> Also the kernels I get from Redhat can boot just fine, but they have turned 
> off my sound card so I need to regen the kernel. I have tried to get ahold 
> of Redhat by phone, e-mail and newsgroup but no reply.
> 
> Regards,
> 
> 	Sam Rogers.
> 
> 
> _______________________________________________
> linux-lvm mailing list
> linux-lvm@sistina.com
> http://lists.sistina.com/mailman/listinfo/linux-lvm
> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/

Re: [linux-lvm] Can not boot: unable to mount root fs:

[Erik Rask]

On Tue, 2 Sep 2003, Samuel A. Rogers wrote:

> So far I can not compile and boot any kernel from 2.4.19 - 2.4.21. I get the below error message:
> 
> VFS: cannot open device 3a:00
> kernel panic: VFS: unable to mount root fs 3a:00
> 
> I took this from an archive message and it should be very close to the message I get except for the 
> device number. I think mine says 1a:00 as I am only using ide and not scsi. The system locks up and 
> I have to manually press the reset button to reboot.
> 
> I have checked the archives but could not find a solution.
> 
> Also the kernels I get from Redhat can boot just fine, but they have turned off my sound card so I 
> need to regen the kernel. I have tried to get ahold of Redhat by phone, e-mail and newsgroup but no 
> reply.
> 
> Regards,
> 
> 	Sam Rogers.
> 

I do not know exactly how far this discussion has progressed, since I have
lost some mail recently and may have missed out. I apologize if my advice
has already been given and rejected.
I experienced the exact same problem when installing a devfs capable
kernel before installing the devfsd daemon. I use Debian, so I do not know
where or how to find devfsd with redhat/RPM. Try installing devfsd and
then rebooting one of the new kernels.
Best regards
-- 
Erik Rask, systems administrator @ AB Strakt
"There is no normal life. There's just life. So get on with it."

Re: [linux-lvm] Can not boot: unable to mount root fs:

[Herbert Poetzl]

On Wed, Sep 03, 2003 at 10:37:27AM -0700, Samuel A. Rogers wrote:
> Herbert,
> 
> I could send you a boot log but there is no information in it (to this 
> problem) because the system locks up before it mounts the root (or other) 
> partitions. Sorry your right that I should have included the boot loader, 
> as it is grub. I am not sure what your wanting here, if it is a file or for 
> me to discribe what I selected in the configuration. If it is a file please 
> let me know what directory it is in and I will be happy to include it. I 
> did select LVM and ext3 in the configuration.

maybe you could put the following files/logs somewhere on the web

.config file from the kernel sources /usr/src/linux-<whatever>/.config
the complete boot log (with all unrelated info ;)
the grub config file

best,
Herbert

> Thank you for your help,
> 
> 	Sam.
> 
> Herbert Poetzl wrote:
> >On Tue, Sep 02, 2003 at 10:10:22AM -0700, Samuel A. Rogers wrote:
> >
> >>So far I can not compile and boot any kernel from 2.4.19 - 2.4.21. I get 
> >>the below error message:
> >>
> >>VFS: cannot open device 3a:00
> >>kernel panic: VFS: unable to mount root fs 3a:00
> >
> >
> >send some more information, like a complete
> >bootup log, your boot loader and your kernel
> >configuration ...
> >
> >best,
> >Herbert
> >
> >
> >>I took this from an archive message and it should be very close to the 
> >>message I get except for the device number. I think mine says 1a:00 as I 
> >>am only using ide and not scsi. The system locks up and I have to 
> >>manually press the reset button to reboot.
> >>
> >>I have checked the archives but could not find a solution.
> >>
> >>Also the kernels I get from Redhat can boot just fine, but they have 
> >>turned off my sound card so I need to regen the kernel. I have tried to 
> >>get ahold of Redhat by phone, e-mail and newsgroup but no reply.
> >>
> >>Regards,
> >>
> >>	Sam Rogers.
> >>
> >>
> >>_______________________________________________
> >>linux-lvm mailing list
> >>linux-lvm@sistina.com
> >>http://lists.sistina.com/mailman/listinfo/linux-lvm
> >>read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
> >
> >
> >.
> >
> 

> # grub.conf generated by anaconda
> #
> # Note that you do not have to rerun grub after making changes to this file
> # NOTICE:  You have a /boot partition.  This means that
> #          all kernel and initrd paths are relative to /boot/, eg.
> #          root (hd0,0)
> #          kernel /vmlinuz-version ro root=/dev/Volume00/LogVol00
> #          initrd /initrd-version.img
> #boot=/dev/hda
> default=1
> timeout=10
> splashimage=(hd0,0)/grub/splash.xpm.gz
> password --md5 $1$fJRwapbJ$jxsALxSgdFjk02dHBhHmL0
> title Red Hat Linux (2.4.21)
> 	root (hd0,0)
> 	kernel /vmlinuz-2.4.21 ro root=/dev/Volume00/LogVol00
> 	initrd /initrd-2.4.21.img
> title Red Hat Linux (2.4.20-20.9)
> 	root (hd0,0)
> 	kernel /vmlinuz-2.4.20-20.9 ro root=/dev/Volume00/LogVol00
> 	initrd /initrd-2.4.20-20.9.img
> title Red Hat Linux (2.4.20-19.9)
> 	root (hd0,0)
> 	kernel /vmlinuz-2.4.20-19.9 ro root=/dev/Volume00/LogVol00
> 	initrd /initrd-2.4.20-19.9.img
> title Red Hat Linux (2.4.20-18.9)
> 	root (hd0,0)
> 	kernel /vmlinuz-2.4.20-18.9 ro root=/dev/Volume00/LogVol00
> 	initrd /initrd-2.4.20-18.9.img
> title Red Hat Linux (2.4.20-13.9)
> 	root (hd0,0)
> 	kernel /vmlinuz-2.4.20-13.9 ro root=/dev/Volume00/LogVol00
> 	initrd /initrd-2.4.20-13.9.img
> title Red Hat Linux (2.4.20-9custom)
> 	root (hd0,0)
> 	kernel /vmlinuz-2.4.20-9custom ro root=/dev/Volume00/LogVol00
> 	initrd /initrd-2.4.20-9custom.img
> title Red Hat Linux (2.4.20-9)
> 	root (hd0,0)
> 	kernel /vmlinuz-2.4.20-9 ro root=/dev/Volume00/LogVol00
> 	initrd /initrd-2.4.20-9.img
> title Red Hat Linux (2.4.20-6)
> 	root (hd0,0)
> 	kernel /vmlinuz-2.4.20-6 ro root=/dev/Volume00/LogVol00
> 	initrd /initrd-2.4.20-6.img

Re: [linux-lvm] Can not boot: unable to mount root fs:

[Samuel A. Rogers]

[-- Attachment #1: Type: text/plain, Size: 1774 bytes --]

Herbert,

I could send you a boot log but there is no information in it (to this problem) because the system 
locks up before it mounts the root (or other) partitions. Sorry your right that I should have 
included the boot loader, as it is grub. I am not sure what your wanting here, if it is a file or 
for me to discribe what I selected in the configuration. If it is a file please let me know what 
directory it is in and I will be happy to include it. I did select LVM and ext3 in the configuration.

Thank you for your help,

	Sam.

Herbert Poetzl wrote:
> On Tue, Sep 02, 2003 at 10:10:22AM -0700, Samuel A. Rogers wrote:
> 
>>So far I can not compile and boot any kernel from 2.4.19 - 2.4.21. I get 
>>the below error message:
>>
>>VFS: cannot open device 3a:00
>>kernel panic: VFS: unable to mount root fs 3a:00
> 
> 
> send some more information, like a complete
> bootup log, your boot loader and your kernel
> configuration ...
> 
> best,
> Herbert
> 
> 
>>I took this from an archive message and it should be very close to the 
>>message I get except for the device number. I think mine says 1a:00 as I am 
>>only using ide and not scsi. The system locks up and I have to manually 
>>press the reset button to reboot.
>>
>>I have checked the archives but could not find a solution.
>>
>>Also the kernels I get from Redhat can boot just fine, but they have turned 
>>off my sound card so I need to regen the kernel. I have tried to get ahold 
>>of Redhat by phone, e-mail and newsgroup but no reply.
>>
>>Regards,
>>
>>	Sam Rogers.
>>
>>
>>_______________________________________________
>>linux-lvm mailing list
>>linux-lvm@sistina.com
>>http://lists.sistina.com/mailman/listinfo/linux-lvm
>>read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
> 
> 
> .
> 


[-- Attachment #2: grub.conf --]
[-- Type: text/plain, Size: 1584 bytes --]

# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to this file
# NOTICE:  You have a /boot partition.  This means that
#          all kernel and initrd paths are relative to /boot/, eg.
#          root (hd0,0)
#          kernel /vmlinuz-version ro root=/dev/Volume00/LogVol00
#          initrd /initrd-version.img
#boot=/dev/hda
default=1
timeout=10
splashimage=(hd0,0)/grub/splash.xpm.gz
password --md5 $1$fJRwapbJ$jxsALxSgdFjk02dHBhHmL0
title Red Hat Linux (2.4.21)
	root (hd0,0)
	kernel /vmlinuz-2.4.21 ro root=/dev/Volume00/LogVol00
	initrd /initrd-2.4.21.img
title Red Hat Linux (2.4.20-20.9)
	root (hd0,0)
	kernel /vmlinuz-2.4.20-20.9 ro root=/dev/Volume00/LogVol00
	initrd /initrd-2.4.20-20.9.img
title Red Hat Linux (2.4.20-19.9)
	root (hd0,0)
	kernel /vmlinuz-2.4.20-19.9 ro root=/dev/Volume00/LogVol00
	initrd /initrd-2.4.20-19.9.img
title Red Hat Linux (2.4.20-18.9)
	root (hd0,0)
	kernel /vmlinuz-2.4.20-18.9 ro root=/dev/Volume00/LogVol00
	initrd /initrd-2.4.20-18.9.img
title Red Hat Linux (2.4.20-13.9)
	root (hd0,0)
	kernel /vmlinuz-2.4.20-13.9 ro root=/dev/Volume00/LogVol00
	initrd /initrd-2.4.20-13.9.img
title Red Hat Linux (2.4.20-9custom)
	root (hd0,0)
	kernel /vmlinuz-2.4.20-9custom ro root=/dev/Volume00/LogVol00
	initrd /initrd-2.4.20-9custom.img
title Red Hat Linux (2.4.20-9)
	root (hd0,0)
	kernel /vmlinuz-2.4.20-9 ro root=/dev/Volume00/LogVol00
	initrd /initrd-2.4.20-9.img
title Red Hat Linux (2.4.20-6)
	root (hd0,0)
	kernel /vmlinuz-2.4.20-6 ro root=/dev/Volume00/LogVol00
	initrd /initrd-2.4.20-6.img

Re: [linux-lvm] Can not boot: unable to mount root fs:

[Jayson Garrell]

On Wed, 2003-09-03 at 10:37, Samuel A. Rogers wrote:
> Herbert,
> 
> I could send you a boot log but there is no information in it (to this problem) because the system 
> locks up before it mounts the root (or other) partitions. Sorry your right that I should have 
> included the boot loader, as it is grub. I am not sure what your wanting here, if it is a file or 
> for me to discribe what I selected in the configuration. If it is a file please let me know what 
> directory it is in and I will be happy to include it. I did select LVM and ext3 in the configuration.
> 
> Thank you for your help,
> 
> 	Sam.
> 
> Herbert Poetzl wrote:
> > On Tue, Sep 02, 2003 at 10:10:22AM -0700, Samuel A. Rogers wrote:
> > 
> >>So far I can not compile and boot any kernel from 2.4.19 - 2.4.21. I get 
> >>the below error message:
> >>
> >>VFS: cannot open device 3a:00
> >>kernel panic: VFS: unable to mount root fs 3a:00
> > 
> > 
> > send some more information, like a complete
> > bootup log, your boot loader and your kernel
> > configuration ...

I have had nothing but problems trying to get grub to boot a lvm root
fs. I use lilo and have no problems at all. Below is the section of my
lilo.conf.

image = /boot/bzImage
        root = /dev/vg0/lv0
        ramdisk = 8192
        initrd = /boot/initrd-lvm-2.4.20-gaming-r5.gz
        label = shadow
        read-only

I don't know about grub but in lilo I always had to give the ramdisk
size. 

Jayson Garrell

Re: [linux-lvm] Can not boot: unable to mount root fs:

[Herbert Poetzl]

On Wed, Sep 03, 2003 at 10:37:27AM -0700, Samuel A. Rogers wrote:
> 	root (hd0,0)
> 	kernel /vmlinuz-2.4.21 ro root=/dev/Volume00/LogVol00
> 	initrd /initrd-2.4.21.img
> title Red Hat Linux (2.4.20-20.9)
> 	root (hd0,0)
> 	kernel /vmlinuz-2.4.20-20.9 ro root=/dev/Volume00/LogVol00
> 	initrd /initrd-2.4.20-20.9.img
> title Red Hat Linux (2.4.20-19.9)

aha, now we are getting closer, you are obsviously
using some LVM (volume manager) for your devices, and
especially for your root device ...

have you (re) created the initrd for your new kernel?
you'll probably need to do some vgscan/lvscan in the
initial ram disk ... so this is important ...

HTH,
Herbert