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SubjectRe: 2.6.24-rc8-mm1 Build Failure on scsi driver
Andrew Morton wrote:
> On Thu, 17 Jan 2008 21:45:39 +0530 Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> wrote:
>
>> Hi Andrew,
>>
>> The kernel build fails with following error
>>
>> drivers/scsi/aha152x.o: In function `aha152x_host_reset_host':
>> /home/kamalesh/scrap/linux-2.6.24-rc8/drivers/scsi/aha152x.c:1324: multiple definition of `aha152x_host_reset_host'
>> drivers/scsi/pcmcia/built-in.o:/home/kamalesh/scrap/linux-2.6.24-rc8/drivers/scsi/aha152x.c:1324: first defined here
>> drivers/scsi/aha152x.o: In function `aha152x_release':
>> /home/kamalesh/scrap/linux-2.6.24-rc8/drivers/scsi/aha152x.c:908: multiple definition of `aha152x_release'
>> drivers/scsi/pcmcia/built-in.o:/home/kamalesh/scrap/linux-2.6.24-rc8/drivers/scsi/aha152x.c:908: first defined here
>> ld: Warning: size of symbol `aha152x_release' changed from 68 in drivers/scsi/pcmcia/built-in.o to 100 in drivers/scsi/aha152x.o
>> drivers/scsi/aha152x.o: In function `aha152x_probe_one':
>
> Neat. Seems that the scsi build system is linking together two copies of
> drivers/scsi/aha152x.o. One via drivers/scsi/aha152x.o directly and the
> other via drivers/scsi/pcmcia/built-in.o.
>
> Please send the .config.
>
> I'm looking suspiciously at this, from git-scsi-misc:
>
> commit 8ae732a91df051aba6820068a47b631a06599d84
> Author: Tejun Heo <htejun@gmail.com>
> Date: Fri Dec 7 22:36:23 2007 +0900
>
> [SCSI] make pcmcia directory use obj-y|m instead of subdir-y|m
>
> subdir-y|m isn't supposed to contain modules or built-in components.
> Change subdir-$(CONFIG_PCMCIA) to obj-$(CONFIG_PCMCIA).
>
> Signed-off-by: Tejun Heo <htejun@gmail.com>
> Acked-by: Sam Ravnborg <sam@ravnborg.org>
> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
>
> diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile
> index b5441f5..93e1428 100644
> --- a/drivers/scsi/Makefile
> +++ b/drivers/scsi/Makefile
> @@ -17,7 +17,7 @@
> CFLAGS_aha152x.o = -DAHA152X_STAT -DAUTOCONF
> CFLAGS_gdth.o = # -DDEBUG_GDTH=2 -D__SERIAL__ -D__COM2__ -DGDTH_STATISTICS
>
> -subdir-$(CONFIG_PCMCIA) += pcmcia
> +obj-$(CONFIG_PCMCIA) += pcmcia/
>
> obj-$(CONFIG_SCSI) += scsi_mod.o
> obj-$(CONFIG_SCSI_TGT) += scsi_tgt.o

Hi Andrew,

Patch from Tejun Heo fixes the aha152x.c build failure, and following second part
of the build failure, is still occurring.

drivers/scsi/fdomain.o:(.data+0x0): multiple definition of `fdomain_driver_template'
drivers/scsi/pcmcia/built-in.o:(.data+0x5a0): first defined here
drivers/scsi/fdomain.o: In function `fdomain_16x0_bus_reset':
/home/kamalesh/scrap/linux-2.6.24-rc8/drivers/scsi/fdomain.c:1568: multiple definition of `fdomain_16x0_bus_reset'
drivers/scsi/pcmcia/built-in.o:/home/kamalesh/scrap/linux-2.6.24-rc8/drivers/scsi/fdomain.c:1568: first defined here
drivers/scsi/fdomain.o: In function `__fdomain_16x0_detect':
/home/kamalesh/scrap/linux-2.6.24-rc8/drivers/scsi/fdomain.c:894: multiple definition of `__fdomain_16x0_detect'
drivers/scsi/pcmcia/built-in.o:/home/kamalesh/scrap/linux-2.6.24-rc8/drivers/scsi/fdomain.c:894: first defined here
ld: Warning: size of symbol `__fdomain_16x0_detect' changed from 1206 in drivers/scsi/pcmcia/built-in.o to 1700 in drivers/scsi/fdomain.o
drivers/scsi/fdomain.o: In function `fdomain_setup':
/home/kamalesh/scrap/linux-2.6.24-rc8/drivers/scsi/fdomain.c:554: multiple definition of `fdomain_setup'
drivers/scsi/pcmcia/built-in.o:/home/kamalesh/scrap/linux-2.6.24-rc8/drivers/scsi/fdomain.c:554: first defined here
make[2]: *** [drivers/scsi/built-in.o] Error 1
make[1]: *** [drivers/scsi] Error 2
make: *** [drivers] Error 2

--
Thanks & Regards,
Kamalesh Babulal,
Linux Technology Center,
IBM, ISTL.


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