[yocto] [genericx86-jethro] core-image-sato - VFS: Cannot open root device "PARTUUID=8316.." or unknown-block(0, 0): error -6
Simon Bolek
simon.bolek at googlemail.com
Sat Jul 23 11:31:20 PDT 2016
On Sat, Jul 23, 2016 at 7:33 PM, Khem Raj <raj.khem at gmail.com> wrote:
> On Sat, Jul 23, 2016 at 9:49 AM, Simon Bolek <simon.bolek at googlemail.com>
> wrote:
> > 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.
>
> It so seems that driver may be missing in initramfs could be one
> reason.
You mean in on the boot partition under /grub/i386-pc/ among *.mod files?
In this case, that would be /dev/sda2.
Or am should I look for that somewhere else?
> other reason could
> be that udev is not settling down for this device. So may be changing
> the udevadm to wait
> a bit for devices to mount might help
>
Could you tell me where would I do that? I mean, where exactly is the
udevadm set-up at boot? I cannot find the place. Is it somewhere inside
/vmlinuz on /dev/sda2 ?
thanks
s:-)
>
> >
> > 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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