On 10/23/05, Robert Hancock <[email protected]> wrote:
> John Bäckstrand wrote:
> > Im seeing a massive amount of page allocation failures with 2.6.14-rc5,
> > and also earlier kernels, see "E1000 - page allocation failure - saga
[snip]
> It looks like you have enough memory free - the problem is that the
> driver is allocating a block of memory with order 3, which is 8 pages.
> Quite likely there are not enough contiguous free pages to satisfy that.
>
> That's an awful big buffer size for a packet - I assume you're using
> jumbo frames or something? Ideally the driver and hardware should be
> able to allocate a buffer for those packets in multiple chunks, but I
> have no idea if this is possible.
the latest e1000 driver (6.2.15) from http://sf.net/projects/e1000
fixes this by using multiple descriptors for jumbo frames, therefore
only doing order 0 (single page) page allocations.
let us know how it goes.
BTW why is this so much more common with recent kernels?
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