Badness in as-iosched:1210

[Zwane Mwaikambo]

I'm not sure wether you want this, it was during error handling from the 
HBA driver (source was disk error).

scsi1: ERROR on channel 0, id 3, lun 0, CDB: Read (10) 00 00 7f de 60 00 00 80 00 
Info fld=0x7fdeb2, Current sdd: sense key Medium Error
Additional sense: Unrecovered read error
end_request: I/O error, dev sdd, sector 8380032
Badness in as_add_request at drivers/block/as-iosched.c:1210
Call Trace:
 [<c0298c30>] as_add_request+0xd0/0x110
 [<c028fee5>] __elv_add_request+0x25/0x40
 [<c02e5a5f>] scsi_queue_next_request+0xaf/0x430
 [<c02938a7>] end_that_request_first+0x17/0x20
 [<c02e5e2f>] scsi_end_request+0x4f/0x130
 [<c02e30eb>] print_sense+0x1b/0x20
 [<c02e6391>] scsi_io_completion+0x2d1/0x460
 [<c0320071>] sd_rw_intr+0x41/0x160
 [<c02e077c>] scsi_finish_command+0x11c/0x160
 [<c030a7c7>] ahc_linux_isr+0x1d7/0x3a0
 [<c02e0606>] scsi_softirq+0xa6/0xd0
 [<c01268da>] do_softirq+0xca/0xd0
 [<c010bffa>] do_IRQ+0x1ba/0x210
 [<c0106f00>] default_idle+0x0/0x40
 [<c010a418>] common_interrupt+0x18/0x20
 [<c0106f00>] default_idle+0x0/0x40
 [<c0106f2e>] default_idle+0x2e/0x40
 [<c0106fba>] cpu_idle+0x3a/0x50
 [<c0105000>] rest_init+0x0/0x80
 [<c055e7dc>] start_kernel+0x16c/0x190