Re: NetBSD/evbarm 7.1.1 (armv7.img) not able to load device mapper module

[christos%astron.com@localhost (Christos Zoulas)]

In article <a09cce0e-9018-0ff8-3691-ea34086a6deb%petermann-it.de@localhost>,
Matthias Petermann  <matthias%petermann-it.de@localhost> wrote:
>Hello,
>
>recently I am trying to build a small storage appliance based on a 
>BananaPI (BPI). For that, I need the LVM / device mapper module.
>
>Regardless of whether I set the dm module in modules.conf, or try to 
>load directly in single user mode via modload - the result is the 
>following error in the kernel log:
>
>WARNING: module error: recursive load failed for `dm' (`dk_subr' 
>required), error 8
>kobj_checksyms, 882: [dk_subr]: linker error: symbol `strcpy' not found
>kobj_checksyms, 882: [dk_subr]: linker error: symbol `setdisklabel' not 
>found
>kobj_checksyms, 882: [dk_subr]: linker error: symbol `dkwedge_list' not 
>found
>kobj_checksyms, 882: [dk_subr]: linker error: symbol `printf' not found
>kobj_checksyms, 882: [dk_subr]: linker error: symbol `readdisklabel' not 
>found
>kobj_checksyms, 882: [dk_subr]: linker error: symbol `dkwedge_del' not found
>kobj_checksyms, 882: [dk_subr]: linker error: symbol `biodone' not found
>kobj_checksyms, 882: [dk_subr]: linker error: symbol `memcpy' not found
>kobj_checksyms, 882: [dk_subr]: linker error: symbol 
>`bounds_check_with_label' not found
>kobj_checksyms, 882: [dk_subr]: linker error: symbol `kauth_cred_get' 
>not found
>kobj_checksyms, 882: [dk_subr]: linker error: symbol `vn_open' not found
>kobj_checksyms, 882: [dk_subr]: linker error: symbol `bufq_free' not found
>[truncated]
>
>On the IRC I got the hint that the lack of symbol for strcpy et al 
>suggests that libkern is absent or corrupt.
>
>Unfortunately, I still lack a little insight at the moment, how all this 
>is connected. That's why I'd like to ask what steps I could take to 
>narrow down the problem.
>
>Does anyone have an idea or recommendation? I would be very grateful for 
>that.

There appears to be some bug with CTF and modules in the arm. Are you using
CTF?

christos