Bug#600286: linux-image-2.6.32-5-amd64: atl1c driver hangs after "NETDEV WATCHDOG: eth0 (atl1c): transmit queue 0 timed out"
On Sun, Oct 17, 2010 at 02:38:22AM +0100, Ben Hutchings wrote:
> > I have no idea why the kernel sent such large packets. According to
> > ifconfig eth0, the MTU is 1500 bytes. Is it supposed to work like
> > that, or is this another bug?
> This driver and hardware implement TCP Segmentation Offload (TSO), which
> means the kernel can provide oversized pseudo-packets that are turned
> into multiple packets on the wire.
> I did notice a later bug fix to this driver which might possibly address
> the bug you're seeing. Please can you test the attached patch,
> following the instructions at
Niels, did you try the patch or has this been resolved in more recent kernels?