Re: [PATCH 2/2] isoimage-isohybrid-isar: fix disk full if no initrd exists

[Zhihang Wei <wzh@ilbers.de>]

On 11/27/25 12:10, 'Quirin Gylstorff' via isar-users wrote:
>
>
> On 11/26/25 12:43, 'Quirin Gylstorff' via isar-users wrote:
>> From: Quirin Gylstorff <quirin.gylstorff@siemens.com>
>>
>> If no initrd was generated during the rootfs build the wic plugin
>> uses the existing rootfs as initrd. The plugin uses shutil.copytree
>> to copy the rootfs to a new folder. As the rootfs contains `/dev/full`
>> this will fill the disk until it is full.
>>
>> To avoid this error ignore all files in `/dev/` of the rootfs.
>>
>> Tested-by:    Herbert Bernecker <herbert.bernecker@siemens.com>
>> Signed-off-by: Quirin Gylstorff <quirin.gylstorff@siemens.com>
>> ---
> /dev should be populate by mmdebstrap so another way should be
> --skip=output/mknod or  --skip=output/dev  but during the initial
> testing these option broke package builds.
>
> Quirin
>
This patch has passed CI and LGTM. We'll merge this by end of this 
workday if no more discussion is coming.

Zhihang
>> .../lib/wic/plugins/source/isoimage-isohybrid-isar.py     | 8 +++++++-
>>   1 file changed, 7 insertions(+), 1 deletion(-)
>>
>> diff --git 
>> a/meta/scripts/lib/wic/plugins/source/isoimage-isohybrid-isar.py 
>> b/meta/scripts/lib/wic/plugins/source/isoimage-isohybrid-isar.py
>> index 690e291e..fb6c6b39 100644
>> --- a/meta/scripts/lib/wic/plugins/source/isoimage-isohybrid-isar.py
>> +++ b/meta/scripts/lib/wic/plugins/source/isoimage-isohybrid-isar.py
>> @@ -203,8 +203,14 @@ class IsoImagePlugin(SourcePlugin):
>>               # Create initrd from rootfs directory
>>               initrd = "%s/initrd.cpio.gz" % cr_workdir
>>               initrd_dir = "%s/INITRD" % cr_workdir
>> +            def ignore_contents(src, names):
>> +                if os.path.basename(src) == 'dev':
>> +                    return names
>> +                return []
>> +
>>               shutil.copytree("%s" % rootfs_dir, \
>> -                            "%s" % initrd_dir, symlinks=True)
>> +                            "%s" % initrd_dir, \
>> +                            ignore=ignore_contents, symlinks=True)
>>                 if os.path.isfile("%s/init" % rootfs_dir):
>>                   shutil.copy2("%s/init" % rootfs_dir, "%s/init" % 
>> initrd_dir)
>

-- 
You received this message because you are subscribed to the Google Groups "isar-users" group.
To unsubscribe from this group and stop receiving emails from it, send an email to isar-users+unsubscribe@googlegroups.com.
To view this discussion visit https://groups.google.com/d/msgid/isar-users/204e36db-d3a1-4ec1-ac3b-c09a1ffc841a%40ilbers.de.