Re: [PATCH] sata_sil: disable trim

[Tejun Heo <tj@kernel.org>]

On Thu, Nov 26, 2015 at 12:00:59PM -0500, Mikulas Patocka wrote:
> When I connect an Intel SSD to SATA SIL controller (PCI ID 1095:3114), any
> TRIM command results in I/O errors being reported in the log. There is
> other similar error reported with TRIM and the SIL controller:
> https://bugs.centos.org/view.php?id=5880
> 
> Apparently the controller doesn't support TRIM commands. This patch
> disables TRIM support on the SATA SIL controller.
> 
> ata7.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
> ata7.00: BMDMA2 stat 0x50001
> ata7.00: failed command: DATA SET MANAGEMENT
> ata7.00: cmd 06/01:01:00:00:00/00:00:00:00:00/a0 tag 0 dma 512 out
>          res 51/04:01:00:00:00/00:00:00:00:00/a0 Emask 0x1 (device error)
> ata7.00: status: { DRDY ERR }
> ata7.00: error: { ABRT }
> ata7.00: device reported invalid CHS sector 0
> sd 8:0:0:0: [sdb] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
> sd 8:0:0:0: [sdb] tag#0 Sense Key : Illegal Request [current] [descriptor]
> sd 8:0:0:0: [sdb] tag#0 Add. Sense: Unaligned write command
> sd 8:0:0:0: [sdb] tag#0 CDB: Write same(16) 93 08 00 00 00 00 00 21 95 88 00 20 00 00 00 00
> blk_update_request: I/O error, dev sdb, sector 2200968
> 
> Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
> Cc: stable@kernel.org

Applied to libata/for-4.4-fixes.  Thanks.

-- 
tejun