Tigran Aivazian wrote:
>
> Hi guys,
>
> When running SPEC SFS tests against 2.4.0-test10-pre4 on a 4-way SMP
> machine with 6G RAM (highmem+PAE enabled) I got
>
> __alloc_pages: 0-order allocation failed.
>
> (probably coming from nfsd, why don't we print eip of the caller there?)
>
> and the machine locked up (but pingable). So I entered kdb and got stack
> traces of all running proceeses:
Hmm. It appears that some of the processes are stuck on this
part of page_launder:
/*
* Re-take the spinlock. Note that we cannot
* unlock the page yet since we're still
* accessing the page_struct here...
*/
spin_lock(&pagemap_lru_lock);
It will be interesting to see what's going on in each of the cpus.
Use "cpu x" x=0,1,2,3 on your 4 cpu system to switch to cpu x,
and just type "bt" on each cpu. Also, it will be good to see what
kswapd (pid 2) is upto ...
--------------------------------------------------------------------------
Rajagopal Ananthanarayanan ("ananth")
Member Technical Staff, SGI.
--------------------------------------------------------------------------
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