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Date: Sat, 15 Sep 2007 23:46:22 -0400
From: Gary Palmer <gpalmer@freebsd.org>
To: Pankov Pavel <pankov_p@mail.ru>
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Subject: Re: SD/MMC (ricoh) reader on Thinkpad T61
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On Sat, Sep 15, 2007 at 06:57:09PM +0400, Pankov Pavel wrote:
> >I tried "make depend" but got the same results. I thought the driver
> >would work on -CURRENT, at least that was my impression. Has anyone
> >else tried it on current?
> 
> I managed to compile code from sdmmc-20070627.tar.gz on 7-CURRENT with 
> the help of this simple patch:
> : --- dev/sdmmc/sdshc.c~	2007-06-25 14:25:52.000000000 +0400
> : +++ dev/sdmmc/sdshc.c	2007-09-15 18:14:20.000000000 +0400
> : @@ -343,7 +343,7 @@
> :       */
> :      LOG(0x10, (dev, "Setup Intr\n"));
> :      error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET|INTR_MPSAFE ,
> : -			   sdshc_intr, sc, &sc->ih);
> : +			   NULL, sdshc_intr, sc, &sc->ih);
> :      if (error != 0) {
> :  	MSG((dev, "could not set up interrupt\n"));
> :  	goto cleanup;
> 
> Unfortunately, I can't load the resulting module:
> : pankbook# kldload -v /boot/modules/sdmmc.ko
> : kldload: can't load /boot/modules/sdmmc.ko: No such file or directory
> Such file definitely exists:
> : pankbook# ls -l /boot/modules/sdmmc.ko
> : -r-xr-xr-x  1 root  wheel  48953 Sep 15 18:41 /boot/modules/sdmmc.ko
> 
> I think this error is related to non-existent sdmmc.ko.symbols file 
> (every .ko file in my /boot/kernel has corresponding .ko.symbols, but 
> sdmmc doesn't). I'm not familiar with kernel modules, so I don't know 
> how to solve this issue. But I'm ready to test any ideas :)

Check dmesg and/or /var/log/messages.  Quite often "No such file or
directory" means that the kernel returned ENOENT.  This typically
happens due to a failure in the in-kernel linker due to a symbol
not being found in the kernel that the module requires.  dmesg will
show any kernel linker message and help you debug the issue.