linux-kernel - rtl_nic firmware error in 3.16

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Message-ID: <20140626021723.GA16141@milliways>
Date:	Thu, 26 Jun 2014 03:17:23 +0100
From:	Ken Moffat <zarniwhoop@...world.com>
To:	linux-kernel@...r.kernel.org
Subject: rtl_nic firmware error in 3.16

Hi,

 I'm getting 15 lines of the following in -rc2

/bin/sh: firmware/rtl_nic/rtl8168e-3.fw.gen.S: No such file or directory

followed by
firmware/Makefile:185: recipe for target 'firmware/rtl_nic/rtl8168e-3.fw.gen.S' failed
make[1]: *** [firmware/rtl_nic/rtl8168e-3.fw.gen.S] Error 1

 I've now tried bisecting this twice, from v3.15 to v3.16-rc2 but
each time the only bad version was v3.16-rc2 itself which is clearly
not true.

 The relevant part of my .config is probably in here:

#
# Generic Driver Options
#
CONFIG_UEVENT_HELPER=y
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
# CONFIG_STANDALONE is not set
CONFIG_PREVENT_FIRMWARE_BUILD=y
CONFIG_FW_LOADER=y
# CONFIG_FIRMWARE_IN_KERNEL is not set
CONFIG_EXTRA_FIRMWARE="radeon/R600_rlc.bin radeon/RS780_pfp.bin radeon/RS780_me.bin rtl_nic/rtl8168e-3.fw"
CONFIG_EXTRA_FIRMWARE_DIR="/lib/firmware"
CONFIG_FW_LOADER_USER_HELPER=y
# CONFIG_DEBUG_DRIVER is not set
# CONFIG_DEBUG_DEVRES is not set
# CONFIG_SYS_HYPERVISOR is not set
# CONFIG_GENERIC_CPU_DEVICES is not set
CONFIG_GENERIC_CPU_AUTOPROBE=y
CONFIG_DMA_SHARED_BUFFER=y

and the external firmware is in /lib/firmware :

ken@...tv ~ $ls -l /lib/firmware/rtl_nic/
total 4
-rw-r--r-- 1 root root 2804 Feb 18 18:03 rtl8168e-3.fw

 So I assume something is erroneously trying to recreate it.

 For the second run, I tried using 'make clean' on each build, and
then after a while I changed to 'make mrproper'.  Perhaps I should
have used 'mrproper' from the start (never needed it before, and it
does normally slow things down when you approach the guilty commit).

 I have now pulled the -rc1 tarball and confirmed that the problem
is present there, but this is doing my head in, so I thought I would
ask if anyone else is hitting this ?

ĸen
-- 
Nanny Ogg usually went to bed early. After all, she was an old lady.
Sometimes she went to bed as early as 6 a.m.
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