Re: About that Alpha kernel bug mentioned in beta3 errata

[Herbert Xu <herbert@gondor.apana.org.au>]

Bjoern Brill <brill@fs.math.uni-frankfurt.de> wrote:
> 
> The symlink gets created in drivers/cdrom/cdrom.c:register_cdrom():
> 
>                if (pos >= 0) {
>                        char vname[16];
>                        sprintf (vname, "cdrom%d", cdi->number);
>                        strncpy (rname + pos, "../", 3);
>                        devfs_mk_symlink (devfs_handle, vname,
>                                          DEVFS_FL_DEFAULT,
>                                          rname + pos, &slave, NULL);
>                        devfs_auto_unregister (cdi->de, slave);
>                }
> 
> That piece of code is shared by all kinds of cdroms, and all
> architectures... so how can it be broken on alpha and not on x86,
> and with SCSI but not IDE? I think the strncpy (rname + pos, "../", 3);
> call fails, and strncpy is arch specific. This would mean that, in the
> end, alpha stxncpy.S is broken again. I don't know enough alpha assembly

Good catch.

Can you either build a new kernel with stxncpy.S disabled, or try
the image from

http://gondor.apana.org.au/~herbert/debian/kernel/binary/2.4.25/alpha-generic/

and see if the problem goes away?

If it does, then I'll turn stxncpy off until it's fixed.

Cheers,
-- 
Debian GNU/Linux 3.0 is out! ( http://www.debian.org/ )
Email:  Herbert Xu ~{PmV>HI~} <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt