Failed to alloc dma buffer

[SamWaters2000]

crashes with following, any advice?

ets Jun 8 2016 00:22:57

rst:0x1 (POWERON_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT)
configsip: 0, SPIWP:0xee
clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
mode:DIO, clock div:1
load:0x3fff0030,len:4832
load:0x40078000,len:16460
load:0x40080400,len:4
load:0x40080404,len:3504
entry 0x400805cc
Failed to alloc dma buffer
Guru Meditation Error: Core 1 panic'ed (StoreProhibited). Exception was unhandled.
A2 : 0x00000000 A3 : 0x00000001 A4 : 0x00000000 A5 : 0x000000a0
A6 : 0x000001e0 A7 : 0xb33fffff A8 : 0x00000000 A9 : 0x00000000
A10 : 0x0000001c A11 : 0x0000001a A12 : 0x00000000 A13 : 0xff000fff
A14 : 0xdfffffff A15 : 0xe0ffffff SAR : 0x0000001b EXCCAUSE: 0x0000001d
EXCVADDR: 0x00000000 LBEG : 0x40087a45 LEND : 0x40087a55 LCOUNT : 0xffffffff