I just upgraded my Dell 2800 from kernel 2.6.7 to 2.6.11 and noticed that
the e1000 driver doesn't work when I change the MTU from 1500 to something
larger. I traced the bug down to the following item in
e1000_main.c::e1000_up(). In a past life I recall PHY's needing to
explicitly have the 'power down' bit rewritten as a reset didn't clear that
state. I changed the code as follows to fix the bug on my systems. I
haven't seen this fix elsewhere so maybe somebody in the know about
e1000_main.c could verify this and apply it as a patch.
diff -r1.1 e1000_main.c
290a291,292
> {
> e1000_write_phy_reg(&adapter->hw, PHY_CTRL,
mii_reg);
291a294
> }
Russell Johnson
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