Re: Kernel 2.6.9 Multiple Page Allocation Failures

[Andrew Morton]

Lukas Hejtmanek <xhejtman@xxxxxxxxxxxx> wrote:
>
> Hi all,
> 
> On Tue, Nov 09, 2004 at 02:41:13PM -0200, Marcelo Tosatti wrote:
> > Stefan, Lukas, 
> > 
> > Can you please run your workload which cause 0-order page allocation 
> > failures with the following patch, pretty please? 
> > 
> > We will have more information on the free areas state when the allocation 
> > fails.
> > 
> > Andrew, please apply it to the next -mm, will you?
> 
> here is the trace:
>  klogd: page allocation failure. order:0, mode: 0x20
>   [__alloc_pages+441/862] __alloc_pages+0x1b9/0x363
>   [__get_free_pages+42/63] __get_free_pages+0x25/0x3f
>   [kmem_getpages+37/201] kmem_getpages+0x21/0xc9
>   [cache_grow+175/333] cache_grow+0xab/0x14d
>   [cache_alloc_refill+376/537] cache_alloc_refill+0x174/0x219
>   [__kmalloc+137/140] __kmalloc+0x85/0x8c
>   [alloc_skb+75/224] alloc_skb+0x47/0xe0
>   [e1000_alloc_rx_buffers+72/227] e1000_alloc_rx_buffers+0x44/0xe3
>   [e1000_clean_rx_irq+402/1095] e1000_clean_rx_irq+0x18e/0x447
>   [e1000_clean+85/202] e1000_clean+0x51/0xca

What kernel is in use here?

There was a problem related to e1000 and TSO which was leading to these
over-aggressive atomic allocations.  That was fixed (within ./net/)
post-2.6.9.

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