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Date:      Sat, 29 Aug 2020 15:57:44 +0000
From:      "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net>
To:        "FreeBSD Current" <freebsd-current@freebsd.org>
Subject:   Re: loading modules from loader | KLD file ... could not finalize loading
Message-ID:  <282F37C0-72F6-4069-90CD-C030231807FE@lists.zabbadoz.net>
In-Reply-To: <28059D1A-5BC7-4045-8E46-69F297C6B49D@lists.zabbadoz.net>
References:  <28059D1A-5BC7-4045-8E46-69F297C6B49D@lists.zabbadoz.net>

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On 29 Aug 2020, at 0:16, Bjoern A. Zeeb wrote:

> Hi,
>
> I’ve been seeing on both i386 and arm64 builds where I tested that 
> loading modules from loader will then fail by the kernel link in 
> certain situations.  I’ve created an i386 example where I do load a 
> few modules from loader to show what I think the problem is.
>
> You may notice in the example output below that it seems modules 
> depending on other loaded modules which seem to fail; e.g., ipfw seems 
> to load but ipfw_* not;  pf.ko seems to load but pflog.ko not, 
> netgraph.ko seems to load but ng_*.ko fail.
>
> Anyone any ideas how I manage this?
>
> Trying to load them from console later using kldload seems to have 
> similar issues.   I wonder if I am missing something essential in my 
> custom kernel builds or if this is a regression in head?

Turns out this was a leaked strip command without --strip-debug which 
removed all the symbols.
Sadly I checked inside the install tree but not on the finalized 
filesystem image.

/bz


> Preloaded elf kernel "/boot/kernel/kernel" at 0x2da2000.
> Preloaded md_image "/base13-r364939" at 0x2daa650.
> Preloaded elf module "/boot/kernel/pf.ko" at 0x2daa6a0.
> Preloaded elf module "/boot/kernel/pflog.ko" at 0x2daaa58.
> Preloaded elf module "/boot/kernel/ipfw_nat.ko" at 0x2daadec.
> Preloaded elf module "/boot/kernel/ipfw.ko" at 0x2dab184.
> Preloaded elf module "/boot/kernel/libalias.ko" at 0x2dab540.
> Preloaded elf module "/boot/kernel/ipfw_nat64.ko" at 0x2dab900.
> Preloaded elf module "/boot/kernel/ipfw_nptv6.ko" at 0x2dabcc0.
> Preloaded elf module "/boot/kernel/ipfw_pmod.ko" at 0x2dac058.
> Preloaded elf module "/boot/kernel/mac_ntpd.ko" at 0x2dac3f0.
> Preloaded elf module "/boot/kernel/netgraph.ko" at 0x2dac760.
> Preloaded elf module "/boot/kernel/ng_ksocket.ko" at 0x2dacb20.
> Preloaded elf module "/boot/kernel/ng_l2tp.ko" at 0x2dace90.
> Preloaded elf module "/boot/kernel/ng_ppp.ko" at 0x2dad1fc.
> Preloaded elf module "/boot/kernel/ng_iface.ko" at 0x2dad568.
> Preloaded elf module "/boot/kernel/ng_tcpmss.ko" at 0x2dad928.
> Preloaded elf module "/boot/kernel/ng_socket.ko" at 0x2dadc70.
> Preloaded elf module "/boot/kernel/ng_tee.ko" at 0x2dae030.
> link_elf: symbol pf_rules_lock undefined
> KLD file pflog.ko - could not finalize loading
> link_elf: symbol LibAliasAddServer undefined
> KLD file ipfw_nat.ko - could not finalize loading
> link_elf: symbol layer3_chain undefined
> KLD file ipfw_nat64.ko - could not finalize loading
> link_elf: symbol layer3_chain undefined
> KLD file ipfw_nptv6.ko - could not finalize loading
> link_elf: symbol layer3_chain undefined
> KLD file ipfw_pmod.ko - could not finalize loading
> link_elf: symbol M_NETGRAPH undefined
> KLD file ng_ksocket.ko - could not finalize loading
> link_elf: symbol M_NETGRAPH_MSG undefined
> KLD file ng_l2tp.ko - could not finalize loading
> link_elf: symbol M_NETGRAPH_MSG undefined
> KLD file ng_ppp.ko - could not finalize loading
> link_elf: symbol M_NETGRAPH_MSG undefined
> KLD file ng_iface.ko - could not finalize loading
> link_elf: symbol M_NETGRAPH undefined
> KLD file ng_tcpmss.ko - could not finalize loading
> link_elf: symbol M_NETGRAPH_MSG undefined
> KLD file ng_socket.ko - could not finalize loading
> link_elf: symbol M_NETGRAPH undefined
> KLD file ng_tee.ko - could not finalize loading
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