Re: Build Failed for RISC-V Image Using isar/kas-container

["Sun, Yi" <yi.sun@intel.com>]

On 13.04.2025 10:41, Uladzimir Bely wrote:
>On Sun, 2025-04-13 at 06:38 +0000, Sun, Yi wrote:
>>
>>
>>
>> Hi All,
>>  
>> I'm new to ISAR and was told it's an efficient project for building
>> embedded OS images.
>> I'm currently trying to create an Ubuntu Noble (24.04) image for the
>> RISC-V architecture.
>>  
>> I gave it a quick try, but ran into some issues:
>> Step 1: KAS_ALLOW_ROOT=yes ./kas/kas-container menu
>> Step 2: KAS_ALLOW_ROOT=yes ./kas/kas-container build (or use the
>> "Build" option from the menu)
>>  
>> I've attached my configuration files (generated by kas-container)
>> along with the error log dumped by ISAR during the build process.
>>  
>> Another question I have is about the concepts of "target" and "host".
>> After reading as much documentation on ISAR as I could find, I'm
>> still a bit confused:
>>  
>> Why do we need a "host" rootfs/distro, given that ISAR runs inside
>> the kas-isar Docker container, which I assume already acts as the
>> host environment?
>> What I’m aiming for with this project is to generate an image that
>> can be run in QEMU or flashed to a disk — that would be the target
>> distro, right?
>>  
>> Any guidance or suggestions would be greatly appreciated!
>>  
>> Thanks
>>    --Sun, Yi
>>
>
>Hello.
>
>Currently we support (and test) only amd64/i386 and arm64/armhf
>architectures for Ubuntu despite of the fact ubuntu has ports for
>riscv64 ( http://ports.ubuntu.com/ubuntu-ports/dists/noble/ ).
>
>For now, you could try attached patch for Isar to run ubuntu-noble
>build for riscv64.
>
>Also, you need to apply patches for u-boot and kernel from
>https://patchwork.isar-build.org/project/isar/list/?series=1551 - or
>wait 2..3 days until they are merged to 'next' branch.
>
>---
>
>In general, we might need to add other architectures supported in
>ubuntu-ports into our configs. Stay tuned.
>

Thanks to Uladzimir for sharing your progress!
I gave the patch a quick try, but unfortunately it didn’t work as expected.
I tried master+patch and next+patch, both are failed.
I'm still seeing the following error message.

BTW, could you please expain more about the "host distro"? Do I really
need a host distro if my running ISAR in KAS container?

```
ERROR: isar-apt-1.0-r0 do_unpack: Unpack failure for URL: 'file://distributions.in'. Unpack command PATH="/repo/scripts:/repo/bitbake/bin:/usr/sbin:/usr/bin:/sbin:/
bin" cp -fpPRH "/build/../repo/meta/recipes-devtools/isar-apt/files/distributions.in" "." failed with return value 1
ERROR: Logfile of failure stored in: /build/tmp/work/ubuntu-noble-riscv64/isar-apt/1.0-r0/temp/log.do_unpack.686
ERROR: Task (/build/../repo/meta/recipes-devtools/isar-apt/isar-apt.bb:do_unpack) failed with exit code '1'
ERROR: base-apt-1.0-r0 do_unpack: Unpack failure for URL: 'file://distributions.in'. Unpack command PATH="/repo/scripts:/repo/bitbake/bin:/usr/sbin:/usr/bin:/sbin:/
bin" cp -fpPRH "/build/../repo/meta/recipes-devtools/base-apt/files/distributions.in" "." failed with return value 1
ERROR: Logfile of failure stored in: /build/tmp/work/ubuntu-noble-riscv64/base-apt/1.0-r0/temp/log.do_unpack.694
ERROR: Task (/build/../repo/meta/recipes-devtools/base-apt/base-apt.bb:do_unpack) failed with exit code '1'
ERROR: isar-mmdebstrap-host-1.0-r0 do_unpack: Unpack failure for URL: 'file://locale'. Unpack command PATH="/repo/scripts:/repo/bitbake/bin:/usr/sbin:/usr/bin:/sbin
:/bin" cp -fpPRH "/build/../repo/meta/recipes-core/isar-bootstrap/files/locale" "." failed with return value 1
ERROR: Logfile of failure stored in: /build/tmp/work/ubuntu-noble-riscv64/isar-mmdebstrap-host/1.0-r0/temp/log.do_unpack.746
ERROR: Task (/build/../repo/meta/recipes-core/isar-mmdebstrap/isar-mmdebstrap-host.bb:do_unpack) failed with exit code '1'
NOTE: Tasks Summary: Attempted 22 tasks of which 0 didn't need to be rerun and 3 failed.

Summary: 3 tasks failed:
   /build/../repo/meta/recipes-devtools/isar-apt/isar-apt.bb:do_unpack
   /build/../repo/meta/recipes-devtools/base-apt/base-apt.bb:do_unpack
   /build/../repo/meta/recipes-core/isar-mmdebstrap/isar-mmdebstrap-host.bb:do_unpack
Summary: There were 3 ERROR messages, returning a non-zero exit code.
2025-04-13 07:52:46 - ERROR    - Command "/repo/bitbake/bin/bitbake -c build isar-image-base" failed with error 1
```

Thanks
    --Sun, Yi

>>  
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>> .
>
>-- 
>Best regards,
>Uladzimir.

>diff --git a/meta-isar/conf/distro/ubuntu-common.inc b/meta-isar/conf/distro/ubuntu-common.inc
>index 88a3b4f0..25aa13ea 100644
>--- a/meta-isar/conf/distro/ubuntu-common.inc
>+++ b/meta-isar/conf/distro/ubuntu-common.inc
>@@ -12,6 +12,9 @@ HOST_BASE_DISTRO = "${BASE_DISTRO}"
> DISTRO_APT_SOURCES:arm64 ?= "conf/distro/${BASE_DISTRO}-${BASE_DISTRO_CODENAME}-ports.list"
> HOST_DISTRO_APT_SOURCES:arm64 ?= "conf/distro/${HOST_DISTRO}.list conf/distro/${HOST_DISTRO}-ports.list"
> 
>+DISTRO_APT_SOURCES:riscv64 ?= "conf/distro/${BASE_DISTRO}-${BASE_DISTRO_CODENAME}-ports.list"
>+HOST_DISTRO_APT_SOURCES:riscv64 ?= "conf/distro/${HOST_DISTRO}.list conf/distro/${HOST_DISTRO}-ports.list"
>+
> BOOTSTRAP_KEY = "file://${LAYERDIR_isar}/conf/distro/ubuntu.public.key;sha256sum=36a38199a4bf4eae1e7f574891f7dfcb79b91b87a33a499383265e1224b5e989"
> DISTRO_BOOTSTRAP_KEYS += "${BOOTSTRAP_KEY}"
> HOST_DISTRO_BOOTSTRAP_KEYS += "${BOOTSTRAP_KEY}"
>diff --git a/meta-isar/conf/distro/ubuntu-noble-ports.list b/meta-isar/conf/distro/ubuntu-noble-ports.list
>index adeb2639..9b101e3d 100644
>--- a/meta-isar/conf/distro/ubuntu-noble-ports.list
>+++ b/meta-isar/conf/distro/ubuntu-noble-ports.list
>@@ -1,6 +1,6 @@
>-deb	[arch=armhf,arm64] http://ports.ubuntu.com/ubuntu-ports noble main restricted universe multiverse
>-deb-src	[arch=armhf,arm64] http://ports.ubuntu.com/ubuntu-ports noble main restricted universe multiverse
>-deb	[arch=armhf,arm64] http://ports.ubuntu.com/ubuntu-ports noble-updates main restricted universe multiverse
>-deb-src	[arch=armhf,arm64] http://ports.ubuntu.com/ubuntu-ports noble-updates main restricted universe multiverse
>-deb	[arch=armhf,arm64] http://ports.ubuntu.com/ubuntu-ports noble-security main restricted universe multiverse
>-deb-src	[arch=armhf,arm64] http://ports.ubuntu.com/ubuntu-ports noble-security main restricted universe multiverse
>+deb	[arch=armhf,arm64,riscv64] http://ports.ubuntu.com/ubuntu-ports noble main restricted universe multiverse
>+deb-src	[arch=armhf,arm64,riscv64] http://ports.ubuntu.com/ubuntu-ports noble main restricted universe multiverse
>+deb	[arch=armhf,arm64,riscv64] http://ports.ubuntu.com/ubuntu-ports noble-updates main restricted universe multiverse
>+deb-src	[arch=armhf,arm64,riscv64] http://ports.ubuntu.com/ubuntu-ports noble-updates main restricted universe multiverse
>+deb	[arch=armhf,arm64,riscv64] http://ports.ubuntu.com/ubuntu-ports noble-security main restricted universe multiverse
>+deb-src	[arch=armhf,arm64,riscv64] http://ports.ubuntu.com/ubuntu-ports noble-security main restricted universe multiverse

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