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

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

On 22.04.2025 23:34, Sun, Yi wrote:
>On 22.04.2025 16:56, Uladzimir Bely wrote:
>>On Tue, 2025-04-22 at 21:14 +0800, Sun, Yi wrote:
>>>On 17.04.2025 08:58, Uladzimir Bely wrote:
>>>>
>>>>Hello.
>>>>
>>>>This looks like a temporary bug, when `ubuntu-ports` repo is
>>>>temporary
>>>>not synchronized with `ubuntu` one. We periodicaly face it and
>>>>can't do
>>>>anything with it.
>>>>
>>>>I also this issue now when crossbuilding riscv64 and arm64 ubuntu-
>>>>noble
>>>>targets. It was not reproduced week ago.
>>>>
>>>>There are two options to get a successfull build:
>>>>
>>>>1. Disable cross-compile option - but it is relatively slow.
>>>>2. Use some snapshot that is known to work.
>>>>
>>>>For example, this additional configuration (I used one-week-ago
>>>>snapshot) works for me:
>>>>
>>>>```
>>>>Mirror selection
>>>>- [*] Use the distros snapshot mirror
>>>> - (*) Custom date
>>>>   - (20250410T000000Z) Custom snapshot date
>>>>```
>>>>
>>>>I'm attaching kas configuration I can get working build with.
>>>
>>>Hi Uladzimir,
>>>
>>>I'm adding some actual .bb files for my project and have a few
>>>questions.
>>>
>>>1, It seems the installation of the linux-libc-dev package is failing
>>>in the host rootfs.
>>>Have you happened to run into this issue before?
>>>
>>>```
>>>>Broken libc6-dev:amd64 Depends on linux-libc-dev:amd64 < none @un
>>>>pH >                                       
>>>>  Considering linux-libc-dev:amd64 1 as a solution to libc6-
>>>>dev:amd64 24                                     
>>>>  Considering linux-libc-dev:amd64 1 as a solution to libc6-
>>>>dev:amd64 24                                     
>>>>Done                                                               
>>>>                                          
>>>>Some packages could not be installed. This may mean that you
>>>>have                                            
>>>>requested an impossible situation or if you are using the
>>>>unstable                                           
>>>>distribution that some required packages have not yet been
>>>>created                                           
>>>>or been moved out of
>>>>Incoming.                                                          
>>>>                     
>>>>The following information may help to resolve the
>>>>situation:                                                 
>>>>                                                                   
>>>>                                          
>>>>The following packages have unmet
>>>>dependencies:                                                      
>>>>        
>>>> libc6-dev : Depends: linux-libc-dev but it is not
>>>>installable                                               
>>>>E: Unable to correct problems, you have held broken
>>>>packages.                                                
>>>>WARNING: exit code 100 from a shell
>>>>command.                                                           
>>>>      
>>>>DEBUG: Executing shell function
>>>>rootfs_do_umounts                                                  
>>>>          
>>>>DEBUG: Shell function rootfs_do_umounts
>>>>finished                                                           
>>>>  
>>>>DEBUG: Python function do_rootfs_install
>>>>finished                                                           
>>>> 
>>>ERROR: Task (/build/../repo/meta-isar/recipes-devtools/sbuild-
>>>chroot/sbuild-chroot-host-db2m.bb:do_rootfs_install) failed with exit
>>>code '1'                                                            
>>>```
>>>
>>
>>Yes, it happend at least previous week (not only for riscv64, but also
>>for e.g. arm64) and using snapshot was a working solution.
>>
>>You can see this issue in e.g. CrossTest.test_cross in our Gitlab CI
>>https://gitlab.isar-build.org/ilbers/isar/-/jobs/2159
>>
>>Today it seems to be fixed by ubuntu upstream just works with main
>>ubuntu/ubuntu-ports repos.
>
>You saved me again! I was using the snapshot you mentioned last time: "20250410T000000Z".
>
>Anyway, I just rebuilt the project without the snapshot, and everything is working perfectly now!
>
>By the way, is there a way to get a full list of available snapshots? I checked https://snapshot.ubuntu.com/, but couldn't find a clear way to list all the snapshot timestamps.
>
>>
Hi @Uladzimir

Could you please guide me a bit on how to get a snapshot timestamp?
For example, if I want to use the snapshot on 2025/04/22 where I had
a successful pass, how can I find the exact timestamp for it?

And do you know how to setup a local copy of the snapshots server?

Thanks
    --Sun, Yi

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