controller/driver or disk problem?

[Wojciech Puchar]

is that this wrong or controler has problems?

ad4: TIMEOUT - WRITE_DMA48 retrying (1 retry left) LBA=434853328
ad4: FAILURE - WRITE_DMA48 status=51<READY,DSC,ERROR> 
error=10<NID_NOT_FOUND> LBA=434853328
GEOM_ELI: Crypto WRITE request failed (error=5). 
ad4d.eli[WRITE(offset=220033572864, length=204800)]
g_vfs_done():ad4d.eli[WRITE(offset=220033572864, length=204800)]error = 5
ad4: TIMEOUT - WRITE_DMA48 retrying (1 retry left) LBA=482804832
ad4: FAILURE - WRITE_DMA48 status=51<READY,DSC,ERROR> 
error=10<NID_NOT_FOUND> LBA=482804832
GEOM_ELI: Crypto WRITE request failed (error=5). 
ad4d.eli[WRITE(offset=244584873984, length=8192)]
g_vfs_done():ad4d.eli[WRITE(offset=244584873984, length=8192)]error = 5
ad4: TIMEOUT - WRITE_DMA48 retrying (1 retry left) LBA=433091792
ad4: FAILURE - WRITE_DMA48 status=51<READY,DSC,ERROR> 
error=10<NID_NOT_FOUND> LBA=433091792
GEOM_ELI: Crypto WRITE request failed (error=5). 
ad4d.eli[WRITE(offset=219131797504, length=188416)]
g_vfs_done():ad4d.eli[WRITE(offset=219131797504, length=188416)]error = 5
de2: abnormal interrupt: transmit underflow (raising TX threshold to 
128|512)
ad4: TIMEOUT - WRITE_DMA48 retrying (1 retry left) LBA=451949776
ad4: FAILURE - WRITE_DMA48 status=51<READY,DSC,ERROR> 
error=10<NID_NOT_FOUND> LBA=451949776
GEOM_ELI: Crypto WRITE request failed (error=5). 
ad4d.eli[WRITE(offset=228787085312, length=466944)]
g_vfs_done():ad4d.eli[WRITE(offset=228787085312, length=466944)]error = 5
ad4: TIMEOUT - WRITE_DMA48 retrying (1 retry left) LBA=451990976
ad4: FAILURE - WRITE_DMA48 status=51<READY,DSC,ERROR> 
error=10<NID_NOT_FOUND> LBA=451990976
GEOM_ELI: Crypto WRITE request failed (error=5). 
ad4d.eli[WRITE(offset=228807786496, length=524288)]
g_vfs_done():ad4d.eli[WRITE(offset=228807786496, length=524288)]error = 5
de0: abnormal interrupt: transmit underflow (raising TX threshold to 
128|512)
ad4: TIMEOUT - WRITE_DMA retrying (1 retry left) LBA=59163904