Date: Sun, 20 Mar 2016 18:54:55 -0600 From: Ian Lepore <ian@freebsd.org> To: Jilles Tjoelker <jilles@stack.nl> Cc: Guido Falsi <mad@madpilot.net>, cem@FreeBSD.org, freebsd-current <freebsd-current@freebsd.org> Subject: Re: sdhci_pci.ko fails to load Message-ID: <1458521695.68920.86.camel@freebsd.org> In-Reply-To: <20160320224034.GB78464@stack.nl> References: <56EF12C1.1020202@madpilot.net> <CAG6CVpXCNuGL7fdjcE1u5qFot3YGjT_=1Q2G01m886xoc6H6Xg@mail.gmail.com> <56EF143F.9030308@madpilot.net> <56EF1744.4030607@madpilot.net> <1458511534.68920.84.camel@freebsd.org> <20160320224034.GB78464@stack.nl>
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On Sun, 2016-03-20 at 23:40 +0100, Jilles Tjoelker wrote: > On Sun, Mar 20, 2016 at 04:05:34PM -0600, Ian Lepore wrote: > > On Sun, 2016-03-20 at 22:33 +0100, Guido Falsi wrote: > > > On 03/20/16 22:21, Guido Falsi wrote: > > > > On 03/20/16 22:18, Conrad Meyer wrote: > > > > > Try 'kldload mmc' first. 'sdhci_pci' is missing a > > > > > MODULE_DEPEND > > > > > on mmc. > > > > > As I said, when loading sdhci_pci I had already loaded module > > > > mmc. > > > > > Anyway I'll try that again just to make sure, maybe I missed it > > > > and > > > > thought I had it loaded. > > > > > I'll followup shortly. > > > > I confirm that I had already loaded mmc.ko. > > > [snip] > > > the full error in dmesg is the same as stated before: > > > > link_elf_obj: symbol mmc_driver undefined > > > linker_load_file: Unsupported file type > > > > Meybe the symbol is optimized out by the compiler in the module? > > > I suspect this is caused by my r292180 back in December. I'm > > trying to > > figure out if that's the case and if so, how to fix it. > > I think this is caused by the missing MODULE_DEPEND. The kernel > linker > only looks for symbols in the ELF objects containing the module > itself > and its declared dependencies. > > If mmc is compiled into the main kernel image, this is always > satisfied. > Thanks for the clue about the linker, it would have taken me forever to figure that out by flailing around like I was doing. Hopefully this is all fixed now with r297127, but I was only able to test it on arm systems (I have no x86 with sdhci). -- Ian
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