Messages in this thread | | | Date | Mon, 24 Oct 2005 15:28:29 -0700 | From | Jesse Brandeburg <> | Subject | Re: 2.6.14-rc5 e1000 and page allocation failures.. still |
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On 10/23/05, Robert Hancock <hancockr@shaw.ca> 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? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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