Re: PROBLEM: Linux 6.8 build failure in sun ffb driver (regression)

[Thomas Zimmermann]

Hi

Am 22.03.24 um 03:18 schrieb Nick Bowler:
> I bisected this build failure to the following commit:
>
>    commit 8813e86f6d82a7931446c3cbc5d596f77d0f1ba6
>    Author: Thomas Zimmermann <tzimmermann@xxxxxxx>
>    Date:   Mon Nov 27 14:16:01 2023 +0100
>
>        fbdev: Remove default file-I/O implementations
>
> If I revert this commit on top of 6.8, the build is successful.

Thanks for reporting. It looks like a trivial Kconfig problem. I'll send 
a patch.

Best regards
Thomas

> On 2024-03-21 21:00, Nick Bowler wrote:
> > Hi,
> >
> > Linux 6.8 (and 6.8.1) are failing to build for me:
> >
> >    LD      .tmp_vmlinux.kallsyms1
> > sparc64-unknown-linux-gnu-ld: drivers/video/fbdev/ffb.o:(.rodata+0x270): undefined reference to `fb_io_read'
> > sparc64-unknown-linux-gnu-ld: drivers/video/fbdev/ffb.o:(.rodata+0x278): undefined reference to `fb_io_write'
> > make[3]: *** [/home/nbowler/misc/linux/scripts/Makefile.vmlinux:37: vmlinux] Error 1
> >
> > This problem does not occur when building Linux 6.7 which builds successfully.
> >
> > Kernel .config attached (gzipped).
> >
> > Please let me know if you need any more info.
> >
> > Thanks,
> >    Nick

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Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
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