Re: kern/55958: pciback.hide parsing error

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Tue, Jan 26, 2021 at 05:47:20AM -0800, Aleksey Arens wrote:
> Adjusting the size of the static buffer path to 256 bytes had yielded
> a positive outcome.  Adjusted /boot program had yielded a successful
> boot on a system with BIOS firmware, and arguments to pciback were
> interpreted correctly by the kernel subsequently.
> 
> ---8<---
> [     1.000003] pciback_pci_init: hide claim device 8:0:0
> [     1.000003] pciback_pci_init: hide claim device 1:0:1
> [     1.000003] pciback_pci_init: hide claim device 1:0:0
> ---8<---
> 
> The corresponding patch is:
> 
> ---8<---
> 
> diff --git a/sys/arch/x86/include/bootinfo.h b/sys/arch/x86/include/bootinfo.h
> index 9d0ee542d892..6b3d967e1a7e 100644
> --- a/sys/arch/x86/include/bootinfo.h
> +++ b/sys/arch/x86/include/bootinfo.h
> @@ -178,7 +178,7 @@ struct btinfo_biosgeom {
>  };
> 
>  struct bi_modulelist_entry {
> -       char path[80];
> +       char path[256];
>         int type;
>         int len;
>         uint32_t base;
> 
> ---8<---

i'm not sure we can do this without a compatibility issue ...

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--