Re: 2.5.53-mm3: xmms: page allocation failure. order:5, mode:0x20

[Andrew Morton]

khromy wrote:
> 
> ...
> And here is dmesg:
> 
> xmms: page allocation failure. order:5, mode:0x20
> Call Trace:
>  [<c012a3e7>] __alloc_pages+0x25f/0x26c
>  [<c012a41c>] __get_free_pages+0x28/0x60
>  [<c010e36e>] dma_alloc_coherent+0x3e/0x74
>  [<c021c8ba>] prog_dmabuf+0x7e/0x2b4
>  [<c021c31d>] set_dac2_rate+0xb5/0xe0
>  [<c021f01d>] es1371_ioctl+0x10d5/0x140c
>  [<c012d228>] kmem_cache_free+0x174/0x1b8
>  [<c014ccf9>] sys_ioctl+0x1fd/0x254
>  [<c01089af>] syscall_call+0x7/0xb
> 

OK, thanks.  The audio driver is trying to allocate a large DMA
buffer and just falls back to a smaller size if it fails.

And dma_alloc_coherent() forces GFP_ATOMIC, which is quite broken
of it.

Let's leave this one as-is.  It'll be OK when all the debug code
is pulled out.