[yocto] [genericx86-jethro] core-image-sato - VFS: Cannot open root device "PARTUUID=8316.." or unknown-block(0, 0): error -6

[Simon Bolek]

Thanks, sorry that I bother you all the time, but I do not seem to make any
progress :(
Is there anything else I can check?
It seems, on boot time this device is not mounted, only ram0...15.

thank you
Simon :-)


On Sat, Jul 23, 2016 at 6:07 PM, Khem Raj <raj.khem at gmail.com> wrote:

> On Sat, Jul 23, 2016 at 8:57 AM, Simon Bolek <simon.bolek at googlemail.com>
> wrote:
> > Hi,
> >
> > Well it is, as far as what
> > parted /dev/sda print
> >  says.
> >
> > generated grub.cfg matches that with PARTUUID, so it looks fine.
> >
> > menuentry "Linux" {
> >     search --no-floppy --fs-uuid e88ec2c7-3438-4fe3-9033-83eb81957875
> --set
> > root
> >     linux /vmlinuz root=PARTUUID=8316255c-f839-43fa-b2c6-d83bbed80962  rw
> > quiet
>
> this seems ok to me.
>
> >
> > }
> >
> > However fdisks -l shows only /dev/sda1, which ist strange.
> >
> > Is there something wrong with install.sh script?
> > Compared to FIDO, it is GPT, not MSDOS. But i did not touch anything
> there.
> > Maybe you can take a look at it?
> >
> http://git.yoctoproject.org/cgit.cgi/poky/plain/meta/recipes-core/initrdscripts/files/init-install.sh?h=jethro
> > It always checks the grub version, however in FIDO Grub was also 2.00,
> so I
> > do not get the IFs.
> >
> > thank you!
> > Simon :-)
> >
> >
> > On Sat, Jul 23, 2016 at 4:52 PM, Khem Raj <raj.khem at gmail.com> wrote:
> >>
> >>
> >> > On Jul 23, 2016, at 5:25 AM, Simon Bolek <simon.bolek at googlemail.com>
> >> > wrote:
> >> >
> >> > Hello!
> >> >
> >> > I am trying to install genericx86 core-image-sato on a atom-pc device
> >> > with 80GB Intel SSD drive.
> >> > I have created an image with
> >> > bitbake core-image-sato
> >> > without changing anything in the kernel via menuconfig, etc.
> >> >
> >> > ps. after installation I had to set /dev/sda1 to bootable with disk
> >>
> >> it seems your rootfs is on /dev/sda3 can you check kernel parameters
> what
> >> is it passing for root=
> >>
> >> >
> >> > After installation I have got this ugly error while booting the
> device.
> >> > PLEASE HELP ME!
> >> >
> >> >
> >> > "...
> >> > VFS: Cannot open root device "PARTUUID=8316.." or unknown-block(0,0):
> >> > error -6
> >> > Pease append a correct "root=" boot option; here are the available
> >> > partitions:
> >> > 0100 4096 ram0 (driver?)
> >> > ...
> >> > 010f 4096 ram15 (driver?)
> >> > ..."
> >> >
> >> >
> >> > I noticed that install.sh script is creating GPT
> >> > parted ${device} mktable gpt
> >> > not MSDOS as in previous yocto versions, e.g. fido.
> >> >
> >> > Any hint is more than welcome. The device will just not boot :((((
> >> >
> >> > Here are some details about the device:
> >> >
> >> >
> >> > +++
> >> > blkid says:
> >> > /dev/sda2: UUID="e88ec2c7-3438-4fe3-9033-83eb81957875" TYPE="ext3"
> >> > PARTLABEL="boot" PARTUUID="57f43ab0-6e30-4721-81e2-c565f6c184c8"
> >> > /dev/sda3: UUID="cbb77742-c9fe-4f19-85d7-399af99c3aa8" TYPE="ext3"
> >> > PARTLABEL="root" PARTUUID="8316255c-f839-43fa-b2c6-d83bbed80962"
> >> > /dev/sda4: TYPE="swap" PARTLABEL="swap"
> >> > PARTUUID="15ddbd73-15b3-40a8-97e7-6377048a79eb"
> >> > /dev/sdb: SEC_TYPE="msdos" LABEL="boot" UUID="3C80-C1D7" TYPE="vfat"
> >> > /dev/sda1: PARTLABEL="bios_boot"
> >> > PARTUUID="11cf26d2-2333-4c5b-a876-59d65929085f"
> >> >
> >> > +++
> >> > /etc/fstab says
> >> > # stock fstab - you probably want to override this with a machine
> >> > specific one
> >> >
> >> > /dev/root            /                    auto       defaults
> >> > 1  1
> >> > proc                 /proc                proc       defaults
> >> > 0  0
> >> > devpts               /dev/pts             devpts     mode=0620,gid=5
> >> > 0  0
> >> > tmpfs                /run                 tmpfs
> >> > mode=0755,nodev,nosuid,strictatime 0  0
> >> > tmpfs                /var/volatile        tmpfs      defaults
> >> > 0  0
> >> >
> >> > # uncomment this if your device has a SD/MMC/Transflash slot
> >> > #/dev/mmcblk0p1       /media/card          auto
> >> > defaults,sync,noauto  0  0
> >> >
> >> > /dev/sda2         /                      ext3         rw
> >> > 0  1
> >> > /dev/disk/by-partuuid/15ddbd73-15b3-40a8-97e7-6377048a79eb
> >> > swap             swap       defaults              0  0
> >> > UUID=e88ec2c7-3438-4fe3-9033-83eb81957875              /boot
> >> > ext3       defaults              1  2
> >> >
> >> >
> >> > +++
> >> > fdisk -l says
> >> > Disk /dev/sda: 80.0 GB, 80026361856 bytes
> >> > 255 heads, 63 sectors/track, 9729 cylinders
> >> > Units = cylinders of 16065 * 512 = 8225280 bytes
> >> >
> >> >    Device Boot      Start         End      Blocks  Id System
> >> > /dev/sda1   *           1        9730    78150743+ ee EFI GPT
> >> >
> >> > +++
> >> > parted /dev/sda says
> >> > Model: ATA INTEL SSDSA2M080 (scsi)
> >> > Disk /dev/sda: 80.0GB
> >> > Sector size (logical/physical): 512B/512B
> >> > Partition Table: gpt
> >> > Disk Flags: pmbr_boot
> >> >
> >> > Number  Start   End     Size    File system     Name       Flags
> >> >  1      1049kB  2097kB  1049kB                  bios_boot  bios_grub
> >> >  2      2097kB  19.9MB  17.8MB  ext3            boot
> >> >  3      22.0MB  76.0GB  76.0GB  ext3            root
> >> >  4      76.0GB  80.0GB  4001MB  linux-swap(v1)  swap
> >> >
> >> > +++
> >> > lspci says
> >> > Device:    00:1f.2
> >> > Class:    IDE interface
> >> > Vendor:    Intel Corporation
> >> > Device:    NM10/ICH7 Family SATA Controller [IDE mode]
> >> > SVendor:    Intel Corporation
> >> > SDevice:    Device 464c
> >> > Rev:    01
> >> > ProgIf:    8a
> >> > Driver:    ata_piix
> >> > Module:    ata_piix
> >> >
> >> >
> >> > thank you
> >> > Simon :-)
> >> >
> >> >
> >> >
> >>
> >
>
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