Re: 2.6.38 Compile Failure e1000e Module

From: Eric Dumazet
Date: Wed Mar 16 2011 - 11:17:18 EST

Le mercredi 16 mars 2011 Ã 10:33 -0400, Frank Peters a Ãcrit :
> Hello,
> I cannot compile kernel 2.6.38. Apparently, there is a build failure
> with the e1000e module (ethernet driver). The brief error message is this:
> ERROR: "crc32_le" [drivers/net/e1000e/e1000e.ko] undefined!
> make[1]: *** [__modpost] Error 1
> make: *** [modules] Error 2
> My compiler is gcc-4.5.2 on a Gentoo x64 system. The kernel source
> is the stock source from
> Please CC to frank.peters (at)

Hi Franck

Probably coming from commit fe46f58fa61f02
(e1000e: use either_crc_le() rather than re-write it)

Could you try following patch ?


[PATCH] e1000e: fix kconfig for crc32 dependency

ERROR: "crc32_le" [drivers/net/e1000e/e1000e.ko] undefined!

Reported-by: Frank Peters <frank.peters@xxxxxxxxxxx>
Signed-off-by: Eric Dumazet <eric.dumazet@xxxxxxxxx>
Cc: Bruce Allan <bruce.w.allan@xxxxxxxxx>
Cc: Jeff Kirsher <jeffrey.t.kirsher@xxxxxxxxx>
drivers/net/Kconfig | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 0382332..90d1d3c 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -2098,6 +2098,7 @@ config E1000

config E1000E
tristate "Intel(R) PRO/1000 PCI-Express Gigabit Ethernet support"
+ select CRC32
depends on PCI && (!SPARC32 || BROKEN)
This driver supports the PCI-Express Intel(R) PRO/1000 gigabit

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