Re: [2.6.7, e1000] large MTU allocation failure...

From: Nick Piggin
Date: Sat Jul 17 2004 - 06:59:17 EST

Daniel Blueman wrote:
When I try to enable jumbo frames, and increase the MTU size to 9000 octets
[1], I see allocation failures in the kernel logs [2].

Is there another way of enabling jumbo frames and use a large MTU?

Kernel is stock 2.6.7, IA32.

--- [1]

# ifconfig eth0 mtu 9000

--- [2]

Intel(R) PRO/1000 Network Driver - version 5.2.52-k4
Copyright (c) 1999-2004 Intel Corporation.
e1000: eth0: e1000_probe: Intel(R) PRO/1000 Network
e1000: eth0: e1000_watchdog: NIC Link is Up 1000 Mbps
Full Duplex
ifconfig: page allocation failure. order:3, mode:0x20

Order 3 GFP_ATOMIC allocation failures aren't really surprising.

I wonder if things can be improved in the network system. If not,
I have a possible workaround for the problem.
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