Re: Overview over my outstanding patches

[Jan Kiszka <jan.kiszka@siemens.com>]

On 2018-05-24 15:34, [ext] Claudius Heine wrote:
> Hi,
> 
> On 2018-05-24 11:21, [ext] Claudius Heine wrote:
>> Hi Alex,
>>
>> On 2018-05-14 15:47, Alexander Smirnov wrote:
>>> Remaining:
>>> ==========
>>>   - meta-isar/isar-image-base: added removal of qemu-*-static binaries:
>>>
>>> Here is the question about case, when user wants to install
>>> qemu-user-static package to target rootfs.
>>
>> If the user wants to install qemu-user-static to the image, apt
>> overwrites the one already there and then the linux kernel complains
>> about infinite symlink since it wants to execute the new foreign
>> 'qemu-*-static' binary with the foreign 'qemu-*-static' binary on and on.
>>
>> Installing qemu-user-static is simply forbidden until qemu-debootstrap
>> changes the deployment path and binfmt settings to avoid this conflict.
> 
> With Hennings help we further investigated this. The binfmt_misc flag
> 'F' would prevent this issue [1]. So installing qemu-user-static could
> be possible if that flag is used.

Do we have that under our control, or would we have to patch the
upstream binfmt debian package to tune that flag?

Jan

> 
> I will prepare a patch that removes the qemu-*-static binaries only if
> that package is not installed.
> 
> Claudius
> 
> [1]
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/admin-guide/binfmt-misc.rst?h=v4.16#n83
> 
>