Bug#566735: grub-pc: Unable to boot from LVM, "error: no such disk".

[Vladimir 'φ-coder/phcoder' Serbinenko]

On 10/21/2010 02:49 AM, David L. Anselmi wrote:
> Package: grub-pc
> Version: 1.98+20100804-4
> Severity: normal
>
> I've retested and this bug still exists so I'll reopen.  Here's the new
> behavior.  On boot it says:
>
> error: no such disk
> Entering rescue mode
> grub rescue>
>
> (i.e., only one error line rather than two).  lsmod shows:
>
> Name    Ref Count   Dependencies
> lvm     1
> part_msdos  1
> ext2    1           fshelp
> fshelp  2
> biosdisk    1
> minicmd 1
>
> and ls:
>
> (hd0) (hd0,msdos2) (hd0,msdos1) (fd0)
>
> So I think I have a correct config and the right modules, but something doesn't
> work.
>
> >From the grub prompt is there anything else I can do to troubleshoot?  root
> seems not to be usable, even if I set it to vg0-root.
>
> I don't think there is anything unusual about this disk.  The first partition is
> NTFS, the second is LVM.  I have a 32 bit box with a single LVM partition and
> grub2 works fine.  I have a 64 bit box with more complicated partitions and
> grub2 works fine.
>
> I suppose the LVM partition might be pretty old--could it be not quite right for
> grub2?  I don't get any errors when looking at the pvs/vgs/lvs.
>
> How else can I help?
>   
Could you supply the dump of first 64K of you PV?
> Thanks!
> Dave
>
> -- Package-specific info:
>
> *********************** BEGIN /proc/mounts
> /dev/mapper/vg0-root / ext3 rw,relatime,errors=remount-ro,data=ordered 0 0
> /dev/mapper/vg0-home /home ext3 rw,relatime,errors=continue,data=ordered 0 0
> /dev/mapper/vg0-tmp /tmp ext3 rw,relatime,errors=continue,data=ordered 0 0
> /dev/mapper/vg0-usr /usr ext3 rw,relatime,errors=continue,data=ordered 0 0
> /dev/mapper/vg0-var /var ext3 rw,relatime,errors=continue,data=ordered 0 0
> /dev/mapper/vg0-audio /srv/audio ext3 rw,relatime,errors=continue,data=ordered 0 0
> /dev/mapper/vg0-debian /srv/debian ext3 rw,relatime,errors=continue,data=ordered 0 0
> *********************** END /proc/mounts
>
> *********************** BEGIN /boot/grub/device.map
> (hd0)	/dev/disk/by-id/ata-SAMSUNG_SP1614N_S016J10Y429365
> *********************** END /boot/grub/device.map
>
>
> -- System Information:
> Debian Release: squeeze/sid
>   APT prefers testing
>   APT policy: (990, 'testing')
> Architecture: i386 (i686)
>
> Kernel: Linux 2.6.32-5-686 (SMP w/1 CPU core)
> Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)
> Shell: /bin/sh linked to /bin/dash
>
> Versions of packages grub-pc depends on:
> ii  debconf [debconf-2.0]    1.5.32          Debian configuration management sy
> ii  grub-common              1.98+20100804-4 GRand Unified Bootloader, version 
> ii  libc6                    2.10.2-9        Embedded GNU C Library: Shared lib
> ii  libdevmapper1.02.1       2:1.02.45-1     The Linux Kernel Device Mapper use
> ii  ucf                      3.0025          Update Configuration File: preserv
>
> grub-pc recommends no packages.
>
> Versions of packages grub-pc suggests:
> ii  desktop-base                  5.0.5      common files for the Debian Deskto
>
> -- debconf information:
>   grub2/kfreebsd_cmdline:
> * grub2/device_map_regenerated:
> * grub2/linux_cmdline:
>   grub-pc/install_devices_empty: false
>   grub-pc/install_devices_failed: false
>   grub-pc/chainload_from_menu.lst: true
>   grub-pc/kopt_extracted: false
> * grub-pc/install_devices: /dev/disk/by-id/ata-SAMSUNG_SP1614N_S016J10Y429365
>   grub-pc/postrm_purge_boot_grub: false
>   grub-pc/install_devices_failed_upgrade: true
>   grub-pc/disk_description:
>   grub2/kfreebsd_cmdline_default: quiet
>   grub-pc/partition_description:
>   grub-pc/install_devices_disks_changed:
> * grub2/linux_cmdline_default: quiet
>   grub-pc/mixed_legacy_and_grub2: true
>
>
>
> _______________________________________________
> Pkg-grub-devel mailing list
> Pkg-grub-devel at lists.alioth.debian.org
> http://lists.alioth.debian.org/mailman/listinfo/pkg-grub-devel
>
>   


-- 
Regards
Vladimir 'φ-coder/phcoder' Serbinenko


-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 294 bytes
Desc: OpenPGP digital signature
URL: <http://lists.alioth.debian.org/pipermail/pkg-grub-devel/attachments/20110107/6d0f5ac4/attachment.pgp>