[meta-xilinx] read-only-fs

Tue Jan 30 07:25:01 PST 2018

On 31 January 2018 at 00:55, Bishop, Mark (STRT) <
MBishop at smithsinterconnectinc.com> wrote:

> Thanks for your help on the squashfs stuff.
>
>
>
> One last thing though when I try and create a read-only root fs in
> petalinux.  I will be adding an overlay or some sort of R/W partition but
> it’s just going to be saving ssh keys and a minor device config file.
>
>
>
> I edited project-spec/meta-user/conf/petalinuxbsp.conf and added:
>
> EXTRA_IMAGE_FEATURES +="read-only-rootfs"
>
> but now I get these errors when I build.
>
>
>
> [INFO] building project
>
> [INFO] sourcing bitbake
>
> INFO: bitbake petalinux-user-image
>
> WARNING: Host distribution "Debian-9.3" has not been validated with this
> version of the build system; you may possibly experience unexpected
> failures. It is recommended that you use a tested distribution.
>
> Loading cache: 100% |#############################
> ############################################################
> ############################################################
> ###############################################| Time: 0:00:01
>
> Loaded 3258 entries from dependency cache.
>
> Parsing recipes: 100% |#############################
> ############################################################
> ############################################################
> #############################################| Time: 0:00:02
>
> Parsing of 2467 .bb files complete (2435 cached, 32 parsed). 3260 targets,
> 226 skipped, 0 masked, 0 errors.
>
> NOTE: Resolving any missing task queue dependencies
>
> WARNING: /opt/pkg/petalinux/2017.4/components/yocto/source/arm/
> layers/meta-xilinx/recipes-bsp/u-boot/u-boot-xlnx_2017.01.bb.do_compile
> is tainted from a forced run | ETA: 0:00:04
>
> Initialising tasks: 100% |#############################
> ############################################################
> ############################################################
> ##########################################| Time: 0:00:05
>
> Checking sstate mirror object availability: 100%
> |###########################################################
> ############################################################
> ################################################| Time: 0:00:00
>
> NOTE: Executing SetScene Tasks
>
> NOTE: Executing RunQueue Tasks
>
> ERROR: petalinux-user-image-1.0-r0 do_rootfs: The following packages could
> not be configured offline and rootfs is read-only: ['100-sysvinit-inittab']
>

Probably related to the use of SERIAL_CONSOLES_CHECK? Which can only be
done at runtime, and thus its postinst cannot be run for a read-only image.

Regards,
Nathan

> ERROR: petalinux-user-image-1.0-r0 do_rootfs: Function failed: do_rootfs
>
> ERROR: Logfile of failure stored in: /home/mark/git_repo/temp/
> tempproject/ZMMP_7045_PetaLinux_PL2015_2/ZMMP_7045_
> PL2015_2/build/tmp/work/plnx_arm-xilinx-linux-gnueabi/
> petalinux-user-image/1.0-r0/temp/log.do_rootfs.78509
>
> ERROR: Task (/home/mark/git_repo/temp/tempproject/ZMMP_7045_
> PetaLinux_PL2015_2/ZMMP_7045_PL2015_2/project-spec/meta-
> plnx-generated/recipes-core/images/petalinux-user-image.bb:do_rootfs)
> failed with exit code '1'
>
> NOTE: Tasks Summary: Attempted 2256 tasks of which 2255 didn't need to be
> rerun and 1 failed.
>
>
>
> Summary: 1 task failed:
>
> /home/mark/git_repo/temp/tempproject/ZMMP_7045_
> PetaLinux_PL2015_2/ZMMP_7045_PL2015_2/project-spec/meta-
> plnx-generated/recipes-core/images/petalinux-user-image.bb:do_rootfs
>
> Summary: There were 2 WARNING messages shown.
>
> Summary: There were 2 ERROR messages shown, returning a non-zero exit code.
>
> ERROR: Failed to build project
>
> webtalk failed:PetaLinux statistics:extra lines detected:notsent_nofile!
>
> webtalk failed:Failed to get PetaLinux usage statistics!
>
>
>
>
>
> And the logfile(log.do_rootfs.78509):
>
> ........
>
> DEBUG: Executing shell function zap_empty_root_password
>
> DEBUG: Shell function zap_empty_root_password finished
>
> NOTE: Executing rootfs_update_timestamp ...
>
> DEBUG: Executing shell function rootfs_update_timestamp
>
> DEBUG: Shell function rootfs_update_timestamp finished
>
> NOTE: Executing read_only_rootfs_hook ...
>
> DEBUG: Executing shell function read_only_rootfs_hook
>
> DEBUG: Shell function read_only_rootfs_hook finished
>
> NOTE: Executing empty_var_volatile ...
>
> DEBUG: Executing shell function empty_var_volatile
>
> DEBUG: Shell function empty_var_volatile finished
>
> NOTE: Executing set_user_group ...
>
> DEBUG: Executing shell function set_user_group
>
> NOTE: petalinux-user-image: Performing usermod with [-R
> /home/mark/git_repo/temp/tempproject/ZMMP_7045_
> PetaLinux_PL2015_2/ZMMP_7045_PL2015_2/build/tmp/work/plnx_
> arm-xilinx-linux-gnueabi/petalinux-user-image/1.0-r0/rootfs -P root root]
>
> DEBUG: Shell function set_user_group finished
>
> NOTE: Delayed package scriptlet: 100-sysvinit-inittab
>
> ERROR: The following packages could not be configured offline and rootfs
> is read-only: ['100-sysvinit-inittab']
>
> DEBUG: Python function do_rootfs finished
>
> ERROR: Function failed: do_rootfs
>
>
>
>
>
> *Mark Bishop*
>
> *Sr. Firmware/Software Engineer – Microwave Subsystems*
>
>
>
> [image: cid:image001.png at 01D281ED.A45F0A90]
>
> 4726 Eisenhower Blvd.
>
> Tampa, FL 33634
>
> USA
>
>
>
> T  +1 813 901 7293 <(813)%20901-7293>
>
> *mbishop at smithsinterconnectinc.com <mbishop at smithsinterconnectinc.com>*
>
> *smithsinterconnect.com* <http://www.smithsinterconnect.com/>
>
> *TRAK MICROWAVE IS NOW SMITHS INTERCONNECT!*
>
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