On 03/12/12 13:28, Ben Hutchings wrote:
On Mon, 2012-12-03 at 13:19 +0000, R.M. Thomas wrote:
[...]
Okay, that makes sense now.  In my case the ethernet controller is the 
RTL8111/8168B
for which the driver is r8169.  Even though the package firmware-linux-nonfree 
has
been installed, I am getting a message in syslog saying

r8169 0000:01:00.0: eth0: unable to load firmware patch rtl_nic/rtl8168d-1.fw 
(-2)

Presumably this is the firmware that debian-installer was looking for.  The 
firmware
seems not to be essential for the operation of the ethernet controller, 
although I
suppose I am losing some functionality without it.
[...]

Realtek 8169-family chips have firmware in NVRAM, but in some variants
there is a bug that means they can't reliably establish a link with some
other network equipment.  The firmware patches are supposed to fix that.
They are packaged in firmware-realtek (and 'apt-cache search' can tell
you that).

Ah, I hadn't realized that I needed to install anything manually apart from
firmware-linux-nonfree.  Following your suggestion I've just installed the 
package
firmware-realtek and on reboot the error message in syslog is no longer there.
Thanks --- I probably wouldn't have got there on my own.

Mike


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