[meta-xilinx] read-only-fs

[Nathan Rossi]

On 31 January 2018 at 02:31, Bishop, Mark (STRT)
<MBishop at smithsinterconnectinc.com> wrote:
> Changing the that file gets me a good build but I'm concerned with changing anything in a directory that is called 'generated' for when I move this to a build server.  Looking for the 'right' way to fix it.

You can forcibly override it in local.conf or any conf really, with
something like:

SERIAL_CONSOLES_CHECK_<machine-name> = ""

or completely override:

SERIAL_CONSOLES_CHECK_forcevariable = ""

Either of the above will have a higher priority compared to any non
override set.

Regards,
Nathan

>
> -----Original Message-----
> From: meta-xilinx-bounces at yoctoproject.org [mailto:meta-xilinx-bounces at yoctoproject.org] On Behalf Of Bishop, Mark (STRT)
> Sent: Tuesday, January 30, 2018 11:26 AM
> To: meta-xilinx at yoctoproject.org
> Subject: Re: [meta-xilinx] read-only-fs
>
> How do I disable this:
> SERIAL_CONSOLES_CHECK = "${SERIAL_CONSOLES}"
> in plnx_arm.conf
>
> I thought my local.conf would override everything.
>
>
> -----Original Message-----
> From: meta-xilinx-bounces at yoctoproject.org [mailto:meta-xilinx-bounces at yoctoproject.org] On Behalf Of Bishop, Mark (STRT)
> Sent: Tuesday, January 30, 2018 11:21 AM
> To: meta-xilinx at yoctoproject.org
> Subject: Re: [meta-xilinx] read-only-fs
>
> # $SERIAL_CONSOLES_CHECK [3 operations]
> #   set? /home/mark/git_repo/temp/tempproject/ZMMP_7045_PetaLinux_PL2015_2/ZMMP_7045_PL2015_2/build/conf/local.conf:26
> #     ""
> #   set /home/mark/git_repo/temp/tempproject/ZMMP_7045_PetaLinux_PL2015_2/ZMMP_7045_PL2015_2/project-spec/meta-plnx-generated/conf/machine/plnx_arm.conf:17
> #     "${SERIAL_CONSOLES}"
> #   set /opt/pkg/petalinux/2017.4/components/yocto/source/arm/layers/core/meta/conf/documentation.conf:375
> #     [doc] "Similar to SERIAL_CONSOLES except the device is checked for existence before attempting to enable it. Supported only by SysVinit."
> # pre-expansion value:
> #   "${SERIAL_CONSOLES}"
> SERIAL_CONSOLES_CHECK="115200;ttyPS0"
>
> So yeah, it looks like it is getting overwritten.
>
>
> -----Original Message-----
> From: Nathan Rossi [mailto:nathan at nathanrossi.com]
> Sent: Tuesday, January 30, 2018 11:05 AM
> To: Bishop, Mark (STRT)
> Cc: meta-xilinx at yoctoproject.org
> Subject: Re: [meta-xilinx] read-only-fs
>
> On 31 January 2018 at 01:52, Bishop, Mark (STRT) <MBishop at smithsinterconnectinc.com> wrote:
>> Still got the same error with the check disabled.
>
> Just double check that it is set to that value when finished parsing.
> Run "bitbake sysvinit-initab -e", and look for its value. It will also tell you where it is being set in the case its being overridden by something else.
>
> Regards,
> Nathan
>
>>
>> -----Original Message-----
>> From: Nathan Rossi [mailto:nathan at nathanrossi.com]
>> Sent: Tuesday, January 30, 2018 10:47 AM
>> To: Bishop, Mark (STRT)
>> Cc: meta-xilinx at yoctoproject.org
>> Subject: Re: [meta-xilinx] read-only-fs
>>
>> On 31 January 2018 at 01:33, Bishop, Mark (STRT) <MBishop at smithsinterconnectinc.com> wrote:
>>> I should use a different package/recipe?
>>
>> If you need the feature then maybe. If you don't know what it does see
>> -> https://www.yoctoproject.org/docs/latest/mega-manual/mega-manual.ht
>> -> ml
>> -> #var-SERIAL_CONSOLES_CHECK
>>
>> I'm not sure if petalinux defaults to setting it. But I do know that it is default set for the zcu102 machine in meta-xilinx, and also in the Xilinx release versions of meta-xilinx for all machines.
>>
>> https://github.com/Xilinx/meta-xilinx/blob/rel-v2017.4/conf/machine/zc
>> u102-zynqmp.conf#L17
>>
>> Setting the value to empty will disable it (in local.conf or your machine.conf). And thus allow the sysinit-initab recipe to skip the runtime postinst requirement.
>>
>> SERIAL_CONSOLES_CHECK = ""
>>
>> Regards,
>> Nathan
>>
>>>
>>>
>>>
>>> Sorry, I’m used to BuildRoot and I’m learning Yocto.
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> From: Nathan Rossi [mailto:nathan at nathanrossi.com]
>>> Sent: Tuesday, January 30, 2018 10:25 AM
>>> To: Bishop, Mark (STRT)
>>> Cc: meta-xilinx at yoctoproject.org
>>> Subject: Re: [meta-xilinx] read-only-fs
>>>
>>>
>>>
>>> On 31 January 2018 at 00:55, Bishop, Mark (STRT)
>>> <MBishop at smithsinterconnectinc.com> wrote:
>>>
>>> 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
>>>
>>>
>>>
>>>
>>> --
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>>> meta-xilinx at yoctoproject.org
>>> https://lists.yoctoproject.org/listinfo/meta-xilinx
>>>
>>
>>
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