ENOMEM in swap_pager

[Lyndon Nerenberg]

On Sep 14, 2005, at 4:13 PM, John-Mark Gurney wrote:

>>> IIRC GEOM should handle ENOMEMs by retrying the IO, but I'm  
>>> asking just in
>>> case - are these errors something I should worry about?
>>>
>>
>> I/O errors suggest your disk is failing.
>>
>
> Unless for some reason his disk is running out of memory:
> grep 12 /usr/include/errno.h
> #define    ENOMEM        12        /* Cannot allocate memory */

The error occurs when sys/vm/swap_pager:swapgeom_strategy() can't  
allocate a copy of an underlying I/O request buffer. The log message  
lies a bit; this isn't a physical disk I/O error.

--lyndon