Date: Thu, 23 Apr 2020 12:22:48 +0300 From: Konstantin Belousov <kostikbel@gmail.com> To: Alexander Leidinger <Alexander@leidinger.net> Cc: current@freebsd.org Subject: Re: nfslockd kernel module fails to load Message-ID: <20200423092248.GG2522@kib.kiev.ua> In-Reply-To: <20200423094602.Horde.CSyNCDCsORIorqv2R743XCg@webmail.leidinger.net> References: <20200423080809.Horde.Bo3hS63ATAG-0MzxdGgLyhI@webmail.leidinger.net> <20200423061908.GE2522@kib.kiev.ua> <20200423083008.Horde.pIybBPGLYf5eoV_K5M6O6w7@webmail.leidinger.net> <20200423070412.GF2522@kib.kiev.ua> <20200423094602.Horde.CSyNCDCsORIorqv2R743XCg@webmail.leidinger.net>
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On Thu, Apr 23, 2020 at 09:46:02AM +0200, Alexander Leidinger wrote: > > Quoting Konstantin Belousov <kostikbel@gmail.com> (from Thu, 23 Apr 2020 > 10:04:12 +0300): > > > On Thu, Apr 23, 2020 at 08:30:08AM +0200, Alexander Leidinger wrote: > > > Quoting Konstantin Belousov <kostikbel@gmail.com> (from Thu, 23 Apr 2020 > > > 09:19:08 +0300): > > > > > > > On Thu, Apr 23, 2020 at 08:08:09AM +0200, Alexander Leidinger wrote: > > > > > Hi, > > > > > > > > > > link_elf_obj: symbol xdr_free undefined > > > > > linker_load_file: /boot/kernel/nfslockd.ko - unsupported file type > > > > > KLD nfsd.ko: depends on nfslockd - not available or version mismatch > > > > > linker_load_file: /boot/kernel/nfsd.ko - unsupported file type > > > > > > > > > > The xdr kernel module is loaded. > > > > > > > > The following should help. > > > > > > > /* So that loader and kldload(2) can find us, wherever we are.. */ > > > > +MODULE_DEPEND(nfslockd, xdr, 1, 1, 1); > > > > MODULE_DEPEND(nfslockd, krpc, 1, 1, 1); > > > > > > I thought MODULE_DEPEND is only a way to tell the loader / kldload that the > > > other module is to be loaded in case it is not in the kernel / loaded > > > already. Is this only a part of what it does and / or did this change and > > > now it is also needed so that a kernel module is able to resolve the > > > symbols? In my case the module is loaded already when I try to load the > > > nfslockd module. > > > > Did you tried the patch ? > > I was trying it after asking the question. I confirm it works. > > > You already said that the module was loaded. > > > > MODULE_DEPEND() handles symbol namespaces. > > Since when is this the case (rough figure would be enough if someone knows > it without looking it up)? It is definitely so from the 5.x times, but I highly suspect that this was the feature of 'new' modules from the beginning.
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