Re: [OE-core] kernel: update rpm failed for the vfat

["Xu, Yanfei" <yanfei.xu@windriver.com>]

Ping Bruce.

On 6/9/20 6:32 PM, Xu, Yanfei wrote:
> Hi Bruce,
> 
> I encountered an issue that updating kernel rpm package will fail when 
> the /boot dir was mount with vfat filesystem. The root cause is vfat 
> don't support symlink.
> --------cut here----------
> error: unpacking of archive failed on file /boot/Image;5eda8385: cpio: 
> symlink failed - Resource temporarily unavailable
> error: 
> kernel-image-image-5.4.43-yocto-standard-5.4.x+git0+f8c88c4331_9961cc8b79-r0.bcm_2xxx_rpi4: 
> install failed
> root@bcm-2xxx-rpi4:/boot#
> 
> Currently I have two ideas to fix it:
> 1. we use 'install' cmd instead of 'ln -sf' in kernel_do_install to 
> avoid generating symlink in kernel-image-image*.rpm. And then add an 
> postinstall to this rpm. It will check if the /boot dir is vfat, if not, 
> we remove the copy image* and make a softlink for the image.
> 2. we specially add an package type which doesn't contain symlink for 
> the vfat filesystem.
> 
> For the first idea, I met an problem when I try to add 
> pkg_postinst_packagename function in kernel.bbclass file. Due to there 
> are not package name variables defined for the kernel-image-image.gz 
> kernel-image-image or other type kernel images. So I can not add 
> postinst functions statically why that how many packages and packages' 
> name are not certainly.
> 
> Do you have any opinions about these?
> 
> 
> Regards,
> Yanfei
> 
> 
>