* How to set DPOFUA=0 ?
@ 2015-12-26 1:25 U.Mutlu
2015-12-29 11:30 ` U.Mutlu
2016-01-19 20:50 ` Dmitry Katsubo
0 siblings, 2 replies; 6+ messages in thread
From: U.Mutlu @ 2015-12-26 1:25 UTC (permalink / raw)
To: linux-scsi
Hi,
I have got 2 different submodels of the SSD Samsung 850 Evo 500 GB.
The first one has DPOFUA=0, the second one has DPOFUA=1 (see below).
That with DPOFUA=0 works fine, but the other with DPOFUA=1 doesn't work
after mounting; it reports errors and switches to read-only mount.
It seems Linux has a problem with DPOFUA=1, so then IMO best would be to
disable that feature of the device. So, how & where can DPOFUA be set to value 0 ?
Thx
############################################################################
# uname -a
Linux panther 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt20-1+deb8u1 (2015-12-14)
x86_64 GNU/Linux
############################################################################
Dec 26 00:45:38 panther vmunix: [ 2337.193164] usb 4-1: new SuperSpeed USB
device number 2 using xhci_hcd
Dec 26 00:45:38 panther vmunix: [ 2337.212852] usb 4-1: New USB device found,
idVendor=357d, idProduct=7788
Dec 26 00:45:38 panther vmunix: [ 2337.212861] usb 4-1: New USB device
strings: Mfr=1, Product=2, SerialNumber=3
Dec 26 00:45:38 panther vmunix: [ 2337.212866] usb 4-1: Product: USB to
ATA/ATAPI Bridge
Dec 26 00:45:38 panther vmunix: [ 2337.212870] usb 4-1: Manufacturer: JMicron
Dec 26 00:45:38 panther vmunix: [ 2337.212874] usb 4-1: SerialNumber:
321AE8171482926
Dec 26 00:45:38 panther vmunix: [ 2337.245338] usb-storage 4-1:1.0: USB Mass
Storage device detected
Dec 26 00:45:38 panther vmunix: [ 2337.245591] scsi2 : usb-storage 4-1:1.0
Dec 26 00:45:38 panther vmunix: [ 2337.245770] usbcore: registered new
interface driver usb-storage
Dec 26 00:45:39 panther vmunix: [ 2338.244729] scsi 2:0:0:0: Direct-Access
Samsung SSD 850 EVO 500G 0114 PQ: 0 ANSI: 6
Dec 26 00:45:39 panther vmunix: [ 2338.245308] sd 2:0:0:0: Attached scsi
generic sg2 type 0
Dec 26 00:45:39 panther vmunix: [ 2338.247115] sd 2:0:0:0: [sdb] Spinning up
disk...
Dec 26 00:45:49 panther vmunix: [ 2339.251034] .........
Dec 26 00:45:52 panther vmunix: [ 2348.278894] ....ready
Dec 26 00:45:52 panther vmunix: [ 2351.288429] sd 2:0:0:0: [sdb] 976773168
512-byte logical blocks: (500 GB/465 GiB)
Dec 26 00:45:52 panther vmunix: [ 2351.288953] sd 2:0:0:0: [sdb] Write Protect
is off
Dec 26 00:45:52 panther vmunix: [ 2351.288959] sd 2:0:0:0: [sdb] Mode Sense:
47 00 10 08
Dec 26 00:45:52 panther vmunix: [ 2351.289447] sd 2:0:0:0: [sdb] Write cache:
enabled, read cache: enabled, supports DPO and FUA
Dec 26 00:45:52 panther vmunix: [ 2351.293763] sdb: sdb1 sdb2 sdb3
Dec 26 00:45:52 panther vmunix: [ 2351.295862] sd 2:0:0:0: [sdb] Attached SCSI
disk
Dec 26 00:47:02 panther vmunix: [ 2421.091552] EXT4-fs (sdb1): mounted
filesystem with ordered data mode. Opts: (null)
Dec 26 00:47:09 panther vmunix: [ 2428.394003] sd 2:0:0:0: [sdb] Invalid
command failure
Dec 26 00:47:09 panther vmunix: [ 2428.394013] sd 2:0:0:0: [sdb]
Dec 26 00:47:09 panther vmunix: [ 2428.394017] Result: hostbyte=DID_OK
driverbyte=DRIVER_SENSE
Dec 26 00:47:09 panther vmunix: [ 2428.394021] sd 2:0:0:0: [sdb]
Dec 26 00:47:09 panther vmunix: [ 2428.394024] Sense Key : Illegal Request
[current]
Dec 26 00:47:09 panther vmunix: [ 2428.394030] sd 2:0:0:0: [sdb]
Dec 26 00:47:09 panther vmunix: [ 2428.394034] Add. Sense: Invalid field in cdb
Dec 26 00:47:09 panther vmunix: [ 2428.394038] sd 2:0:0:0: [sdb] CDB:
Dec 26 00:47:09 panther vmunix: [ 2428.394040] Write(10): 2a 08 02 04 08 20 00
00 08 00
Dec 26 00:47:09 panther vmunix: [ 2428.394054] end_request: critical target
error, dev sdb, sector 33818656
Dec 26 00:47:09 panther vmunix: [ 2428.394059] end_request: critical target
error, dev sdb, sector 33818656
Dec 26 00:47:09 panther vmunix: [ 2428.394120] Aborting journal on device sdb1-8.
Dec 26 00:47:09 panther vmunix: [ 2428.471535] EXT4-fs error (device sdb1):
ext4_journal_check_start:56: Detected aborted journal
Dec 26 00:47:09 panther vmunix: [ 2428.471547] EXT4-fs (sdb1): Remounting
filesystem read-only
############################################################################
# sdparm -a --long /dev/sda
/dev/sda: ATA Samsung SSD 850 1B6Q
Direct access device specific parameters: WP=0 DPOFUA=0
Read write error recovery [rw] mode page:
AWRE 1 [cha: n, def: 1] Automatic write reallocation enabled
ARRE 0 [cha: n, def: 0] Automatic read reallocation enabled
TB 0 [cha: n, def: 0] Transfer block
RC 0 [cha: n, def: 0] Read continuous
EER 0 [cha: n, def: 0] Enable early recovery
PER 0 [cha: n, def: 0] Post error
DTE 0 [cha: n, def: 0] Data terminate on error
DCR 0 [cha: n, def: 0] Disable correction
RRC 0 [cha: n, def: 0] Read retry count
COR_S 0 [cha: n, def: 0] Correction span (obsolete)
HOC 0 [cha: n, def: 0] Head offset count (obsolete)
DSOC 0 [cha: n, def: 0] Data strobe offset count (obsolete)
LBPERE 0 [cha: n, def: 0] Logical block provisioning error
reporting enabled
WRC 0 [cha: n, def: 0] Write retry count
RTL 0 [cha: n, def: 0] Recovery time limit (ms)
Caching (SBC) [ca] mode page:
IC 0 [cha: n, def: 0] Initiator control
ABPF 0 [cha: n, def: 0] Abort pre-fetch
CAP 0 [cha: n, def: 0] Caching analysis permitted
DISC 0 [cha: n, def: 0] Discontinuity
SIZE 0 [cha: n, def: 0] Size enable
WCE 1 [cha: y, def: 1] Write cache enable
MF 0 [cha: n, def: 0] Multiplication factor
RCD 0 [cha: n, def: 0] Read cache disable
DRRP 0 [cha: n, def: 0] Demand read retention priority
WRP 0 [cha: n, def: 0] Write retention priority
DPTL 0 [cha: n, def: 0] Disable pre-fetch transfer length
MIPF 0 [cha: n, def: 0] Minimum pre-fetch
MAPF 0 [cha: n, def: 0] Maximum pre-fetch
MAPFC 0 [cha: n, def: 0] Maximum pre-fetch ceiling
FSW 0 [cha: n, def: 0] Force sequential write
LBCSS 0 [cha: n, def: 0] Logical block cache segment size
DRA 0 [cha: n, def: 0] Disable read ahead
SYNC_PROG 0 [cha: n, def: 0] Synchronous cache progress indication
NV_DIS 0 [cha: n, def: 0] Non-volatile cache disable
NCS 0 [cha: n, def: 0] Number of cache segments
CSS 0 [cha: n, def: 0] Cache segment size
Control [co] mode page:
TST 0 [cha: n, def: 0] Task set type
TMF_ONLY 0 [cha: n, def: 0] Task management functions only
DPICZ 0 [cha: n, def: 0] Disable protection information check if
protect field zero
D_SENSE 0 [cha: n, def: 0] Descriptor format sense data
GLTSD 1 [cha: n, def: 1] Global logging target save disable
RLEC 0 [cha: n, def: 0] Report log exception condition
QAM 0 [cha: n, def: 0] Queue algorithm modifier
NUAR 0 [cha: n, def: 0] No unit attention on release
QERR 0 [cha: n, def: 0] Queue error management
RAC 0 [cha: n, def: 0] Report a check
UA_INTLCK 0 [cha: n, def: 0] Unit attention interlocks control
SWP 0 [cha: n, def: 0] Software write protect
ATO 0 [cha: n, def: 0] Application tag owner
TAS 0 [cha: n, def: 0] Task aborted status
ATMPE 0 [cha: n, def: 0] Application tag mode page enabled
RWWP 0 [cha: n, def: 0] Reject write without protection
AUTOLOAD 0 [cha: n, def: 0] Autoload mode
BTP -1 [cha: n, def: -1] Busy timeout period (100us)
ESTCT 30 [cha: n, def: 30] Extended self test completion time (sec)
############################################################################
# sdparm -a --long /dev/sdb
/dev/sdb: Samsung SSD 850 EVO 500G 0114
Direct access device specific parameters: WP=0 DPOFUA=1
Caching (SBC) [ca] mode page:
IC 0 [cha: n, def: 0, sav: 0] Initiator control
ABPF 0 [cha: n, def: 0, sav: 0] Abort pre-fetch
CAP 0 [cha: n, def: 0, sav: 0] Caching analysis permitted
DISC 1 [cha: n, def: 1, sav: 1] Discontinuity
SIZE 0 [cha: n, def: 0, sav: 0] Size enable
WCE 1 [cha: n, def: 1, sav: 1] Write cache enable
MF 0 [cha: n, def: 0, sav: 0] Multiplication factor
RCD 0 [cha: n, def: 0, sav: 0] Read cache disable
DRRP 0 [cha: n, def: 0, sav: 0] Demand read retention priority
WRP 0 [cha: n, def: 0, sav: 0] Write retention priority
DPTL -1 [cha: n, def: -1, sav: -1] Disable pre-fetch transfer length
MIPF 0 [cha: n, def: 0, sav: 0] Minimum pre-fetch
MAPF -1 [cha: n, def: -1, sav: -1] Maximum pre-fetch
MAPFC -1 [cha: n, def: -1, sav: -1] Maximum pre-fetch ceiling
FSW 0 [cha: n, def: 0, sav: 0] Force sequential write
LBCSS 0 [cha: n, def: 0, sav: 0] Logical block cache segment size
DRA 0 [cha: n, def: 0, sav: 0] Disable read ahead
SYNC_PROG 0 [cha: n, def: 0, sav: 0] Synchronous cache progress
indication
NV_DIS 0 [cha: n, def: 0, sav: 0] Non-volatile cache disable
NCS 255 [cha: n, def:255, sav:255] Number of cache segments
CSS 0 [cha: n, def: 0, sav: 0] Cache segment size
Power condition [po] mode page:
PM_BG 0 [cha: n, def: 0, sav: 0] Power management, background
functions, precedence
STANDBY_Y 0 [cha: n, def: 0, sav: 0] Standby_y timer enable
IDLE_C 0 [cha: n, def: 0, sav: 0] Idle_c timer enable
IDLE_B 0 [cha: n, def: 0, sav: 0] Idle_b timer enable
IDLE 0 [cha: n, def: 0, sav: 0] Idle_a timer enable
STANDBY 0 [cha: y, def: 1, sav: 0] Standby_z timer enable
ICT 0 [cha: n, def: 0, sav: 0] Idle_a condition timer (100 ms)
SCT 0 [cha: y, def:18000, sav: 0] Standby_z condition timer (100 ms)
IBCT 0 [cha: n, def: 0, sav: 0] Idle_b condition timer (100 ms)
ICCT 0 [cha: n, def: 0, sav: 0] Idle_c condition timer (100 ms)
SYCT 0 [cha: n, def: 0, sav: 0] Standby_y condition timer (100 ms)
CCF_IDLE 0 [cha: n, def: 0, sav: 0] check condition on transition
from idle
CCF_STAND 0 [cha: n, def: 0, sav: 0] check condition on transition
from standby
CCF_STOPP 0 [cha: n, def: 0, sav: 0] check condition on transition
from stopped
############################################################################
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: How to set DPOFUA=0 ?
2015-12-26 1:25 How to set DPOFUA=0 ? U.Mutlu
@ 2015-12-29 11:30 ` U.Mutlu
2015-12-29 11:43 ` Julian Calaby
2016-01-19 20:50 ` Dmitry Katsubo
1 sibling, 1 reply; 6+ messages in thread
From: U.Mutlu @ 2015-12-29 11:30 UTC (permalink / raw)
To: linux-scsi
Solved:
By installing a the latest kernel and headers from Debian backports solved the
problem:
apt-get -t jessie-backports install linux-image-amd64 linux-headers-amd64
Info about backports configuration:
http://backports.debian.org/Instructions/
# uname -a
Linux panther 4.2.0-0.bpo.1-amd64 #1 SMP Debian 4.2.6-3~bpo8+2 (2015-12-14)
x86_64 GNU/Linux
After this nigtmare-ish experience I would suggest the debian maintainers
to trash the default jessie kernel 3.16 and replace it with the above
4.2 kernel; otherwise unexperienced users will wonder why their new SSD etc.
isn't working in debian/ubuntu & co., as happened to me... :-(
U.Mutlu wrote on 12/26/2015 02:25 AM:
> Hi,
> I have got 2 different submodels of the SSD Samsung 850 Evo 500 GB.
> The first one has DPOFUA=0, the second one has DPOFUA=1 (see below).
> That with DPOFUA=0 works fine, but the other with DPOFUA=1 doesn't work
> after mounting; it reports errors and switches to read-only mount.
>
> It seems Linux has a problem with DPOFUA=1, so then IMO best would be to
> disable that feature of the device. So, how & where can DPOFUA be set to value
> 0 ?
>
> Thx
>
>
> ############################################################################
> # uname -a
> Linux panther 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt20-1+deb8u1 (2015-12-14)
> x86_64 GNU/Linux
>
> ############################################################################
> Dec 26 00:45:38 panther vmunix: [ 2337.193164] usb 4-1: new SuperSpeed USB
> device number 2 using xhci_hcd
> Dec 26 00:45:38 panther vmunix: [ 2337.212852] usb 4-1: New USB device found,
> idVendor=357d, idProduct=7788
> Dec 26 00:45:38 panther vmunix: [ 2337.212861] usb 4-1: New USB device
> strings: Mfr=1, Product=2, SerialNumber=3
> Dec 26 00:45:38 panther vmunix: [ 2337.212866] usb 4-1: Product: USB to
> ATA/ATAPI Bridge
> Dec 26 00:45:38 panther vmunix: [ 2337.212870] usb 4-1: Manufacturer: JMicron
> Dec 26 00:45:38 panther vmunix: [ 2337.212874] usb 4-1: SerialNumber:
> 321AE8171482926
> Dec 26 00:45:38 panther vmunix: [ 2337.245338] usb-storage 4-1:1.0: USB Mass
> Storage device detected
> Dec 26 00:45:38 panther vmunix: [ 2337.245591] scsi2 : usb-storage 4-1:1.0
> Dec 26 00:45:38 panther vmunix: [ 2337.245770] usbcore: registered new
> interface driver usb-storage
> Dec 26 00:45:39 panther vmunix: [ 2338.244729] scsi 2:0:0:0: Direct-Access
> Samsung SSD 850 EVO 500G 0114 PQ: 0 ANSI: 6
> Dec 26 00:45:39 panther vmunix: [ 2338.245308] sd 2:0:0:0: Attached scsi
> generic sg2 type 0
> Dec 26 00:45:39 panther vmunix: [ 2338.247115] sd 2:0:0:0: [sdb] Spinning up
> disk...
> Dec 26 00:45:49 panther vmunix: [ 2339.251034] .........
> Dec 26 00:45:52 panther vmunix: [ 2348.278894] ....ready
> Dec 26 00:45:52 panther vmunix: [ 2351.288429] sd 2:0:0:0: [sdb] 976773168
> 512-byte logical blocks: (500 GB/465 GiB)
> Dec 26 00:45:52 panther vmunix: [ 2351.288953] sd 2:0:0:0: [sdb] Write Protect
> is off
> Dec 26 00:45:52 panther vmunix: [ 2351.288959] sd 2:0:0:0: [sdb] Mode Sense:
> 47 00 10 08
> Dec 26 00:45:52 panther vmunix: [ 2351.289447] sd 2:0:0:0: [sdb] Write cache:
> enabled, read cache: enabled, supports DPO and FUA
> Dec 26 00:45:52 panther vmunix: [ 2351.293763] sdb: sdb1 sdb2 sdb3
> Dec 26 00:45:52 panther vmunix: [ 2351.295862] sd 2:0:0:0: [sdb] Attached SCSI
> disk
> Dec 26 00:47:02 panther vmunix: [ 2421.091552] EXT4-fs (sdb1): mounted
> filesystem with ordered data mode. Opts: (null)
> Dec 26 00:47:09 panther vmunix: [ 2428.394003] sd 2:0:0:0: [sdb] Invalid
> command failure
> Dec 26 00:47:09 panther vmunix: [ 2428.394013] sd 2:0:0:0: [sdb]
> Dec 26 00:47:09 panther vmunix: [ 2428.394017] Result: hostbyte=DID_OK
> driverbyte=DRIVER_SENSE
> Dec 26 00:47:09 panther vmunix: [ 2428.394021] sd 2:0:0:0: [sdb]
> Dec 26 00:47:09 panther vmunix: [ 2428.394024] Sense Key : Illegal Request
> [current]
> Dec 26 00:47:09 panther vmunix: [ 2428.394030] sd 2:0:0:0: [sdb]
> Dec 26 00:47:09 panther vmunix: [ 2428.394034] Add. Sense: Invalid field in cdb
> Dec 26 00:47:09 panther vmunix: [ 2428.394038] sd 2:0:0:0: [sdb] CDB:
> Dec 26 00:47:09 panther vmunix: [ 2428.394040] Write(10): 2a 08 02 04 08 20 00
> 00 08 00
> Dec 26 00:47:09 panther vmunix: [ 2428.394054] end_request: critical target
> error, dev sdb, sector 33818656
> Dec 26 00:47:09 panther vmunix: [ 2428.394059] end_request: critical target
> error, dev sdb, sector 33818656
> Dec 26 00:47:09 panther vmunix: [ 2428.394120] Aborting journal on device sdb1-8.
> Dec 26 00:47:09 panther vmunix: [ 2428.471535] EXT4-fs error (device sdb1):
> ext4_journal_check_start:56: Detected aborted journal
> Dec 26 00:47:09 panther vmunix: [ 2428.471547] EXT4-fs (sdb1): Remounting
> filesystem read-only
>
>
> ############################################################################
> # sdparm -a --long /dev/sda
> /dev/sda: ATA Samsung SSD 850 1B6Q
> Direct access device specific parameters: WP=0 DPOFUA=0
> Read write error recovery [rw] mode page:
> AWRE 1 [cha: n, def: 1] Automatic write reallocation enabled
> ARRE 0 [cha: n, def: 0] Automatic read reallocation enabled
> TB 0 [cha: n, def: 0] Transfer block
> RC 0 [cha: n, def: 0] Read continuous
> EER 0 [cha: n, def: 0] Enable early recovery
> PER 0 [cha: n, def: 0] Post error
> DTE 0 [cha: n, def: 0] Data terminate on error
> DCR 0 [cha: n, def: 0] Disable correction
> RRC 0 [cha: n, def: 0] Read retry count
> COR_S 0 [cha: n, def: 0] Correction span (obsolete)
> HOC 0 [cha: n, def: 0] Head offset count (obsolete)
> DSOC 0 [cha: n, def: 0] Data strobe offset count (obsolete)
> LBPERE 0 [cha: n, def: 0] Logical block provisioning error
> reporting enabled
> WRC 0 [cha: n, def: 0] Write retry count
> RTL 0 [cha: n, def: 0] Recovery time limit (ms)
> Caching (SBC) [ca] mode page:
> IC 0 [cha: n, def: 0] Initiator control
> ABPF 0 [cha: n, def: 0] Abort pre-fetch
> CAP 0 [cha: n, def: 0] Caching analysis permitted
> DISC 0 [cha: n, def: 0] Discontinuity
> SIZE 0 [cha: n, def: 0] Size enable
> WCE 1 [cha: y, def: 1] Write cache enable
> MF 0 [cha: n, def: 0] Multiplication factor
> RCD 0 [cha: n, def: 0] Read cache disable
> DRRP 0 [cha: n, def: 0] Demand read retention priority
> WRP 0 [cha: n, def: 0] Write retention priority
> DPTL 0 [cha: n, def: 0] Disable pre-fetch transfer length
> MIPF 0 [cha: n, def: 0] Minimum pre-fetch
> MAPF 0 [cha: n, def: 0] Maximum pre-fetch
> MAPFC 0 [cha: n, def: 0] Maximum pre-fetch ceiling
> FSW 0 [cha: n, def: 0] Force sequential write
> LBCSS 0 [cha: n, def: 0] Logical block cache segment size
> DRA 0 [cha: n, def: 0] Disable read ahead
> SYNC_PROG 0 [cha: n, def: 0] Synchronous cache progress indication
> NV_DIS 0 [cha: n, def: 0] Non-volatile cache disable
> NCS 0 [cha: n, def: 0] Number of cache segments
> CSS 0 [cha: n, def: 0] Cache segment size
> Control [co] mode page:
> TST 0 [cha: n, def: 0] Task set type
> TMF_ONLY 0 [cha: n, def: 0] Task management functions only
> DPICZ 0 [cha: n, def: 0] Disable protection information check if
> protect field zero
> D_SENSE 0 [cha: n, def: 0] Descriptor format sense data
> GLTSD 1 [cha: n, def: 1] Global logging target save disable
> RLEC 0 [cha: n, def: 0] Report log exception condition
> QAM 0 [cha: n, def: 0] Queue algorithm modifier
> NUAR 0 [cha: n, def: 0] No unit attention on release
> QERR 0 [cha: n, def: 0] Queue error management
> RAC 0 [cha: n, def: 0] Report a check
> UA_INTLCK 0 [cha: n, def: 0] Unit attention interlocks control
> SWP 0 [cha: n, def: 0] Software write protect
> ATO 0 [cha: n, def: 0] Application tag owner
> TAS 0 [cha: n, def: 0] Task aborted status
> ATMPE 0 [cha: n, def: 0] Application tag mode page enabled
> RWWP 0 [cha: n, def: 0] Reject write without protection
> AUTOLOAD 0 [cha: n, def: 0] Autoload mode
> BTP -1 [cha: n, def: -1] Busy timeout period (100us)
> ESTCT 30 [cha: n, def: 30] Extended self test completion time (sec)
>
>
> ############################################################################
> # sdparm -a --long /dev/sdb
> /dev/sdb: Samsung SSD 850 EVO 500G 0114
> Direct access device specific parameters: WP=0 DPOFUA=1
> Caching (SBC) [ca] mode page:
> IC 0 [cha: n, def: 0, sav: 0] Initiator control
> ABPF 0 [cha: n, def: 0, sav: 0] Abort pre-fetch
> CAP 0 [cha: n, def: 0, sav: 0] Caching analysis permitted
> DISC 1 [cha: n, def: 1, sav: 1] Discontinuity
> SIZE 0 [cha: n, def: 0, sav: 0] Size enable
> WCE 1 [cha: n, def: 1, sav: 1] Write cache enable
> MF 0 [cha: n, def: 0, sav: 0] Multiplication factor
> RCD 0 [cha: n, def: 0, sav: 0] Read cache disable
> DRRP 0 [cha: n, def: 0, sav: 0] Demand read retention priority
> WRP 0 [cha: n, def: 0, sav: 0] Write retention priority
> DPTL -1 [cha: n, def: -1, sav: -1] Disable pre-fetch transfer length
> MIPF 0 [cha: n, def: 0, sav: 0] Minimum pre-fetch
> MAPF -1 [cha: n, def: -1, sav: -1] Maximum pre-fetch
> MAPFC -1 [cha: n, def: -1, sav: -1] Maximum pre-fetch ceiling
> FSW 0 [cha: n, def: 0, sav: 0] Force sequential write
> LBCSS 0 [cha: n, def: 0, sav: 0] Logical block cache segment size
> DRA 0 [cha: n, def: 0, sav: 0] Disable read ahead
> SYNC_PROG 0 [cha: n, def: 0, sav: 0] Synchronous cache progress
> indication
> NV_DIS 0 [cha: n, def: 0, sav: 0] Non-volatile cache disable
> NCS 255 [cha: n, def:255, sav:255] Number of cache segments
> CSS 0 [cha: n, def: 0, sav: 0] Cache segment size
> Power condition [po] mode page:
> PM_BG 0 [cha: n, def: 0, sav: 0] Power management, background
> functions, precedence
> STANDBY_Y 0 [cha: n, def: 0, sav: 0] Standby_y timer enable
> IDLE_C 0 [cha: n, def: 0, sav: 0] Idle_c timer enable
> IDLE_B 0 [cha: n, def: 0, sav: 0] Idle_b timer enable
> IDLE 0 [cha: n, def: 0, sav: 0] Idle_a timer enable
> STANDBY 0 [cha: y, def: 1, sav: 0] Standby_z timer enable
> ICT 0 [cha: n, def: 0, sav: 0] Idle_a condition timer (100 ms)
> SCT 0 [cha: y, def:18000, sav: 0] Standby_z condition timer (100
> ms)
> IBCT 0 [cha: n, def: 0, sav: 0] Idle_b condition timer (100 ms)
> ICCT 0 [cha: n, def: 0, sav: 0] Idle_c condition timer (100 ms)
> SYCT 0 [cha: n, def: 0, sav: 0] Standby_y condition timer (100 ms)
> CCF_IDLE 0 [cha: n, def: 0, sav: 0] check condition on transition
> from idle
> CCF_STAND 0 [cha: n, def: 0, sav: 0] check condition on transition
> from standby
> CCF_STOPP 0 [cha: n, def: 0, sav: 0] check condition on transition
> from stopped
>
> ############################################################################
>
> --
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> More majordomo info at http://vger.kernel.org/majordomo-info.html
>
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: How to set DPOFUA=0 ?
2015-12-29 11:30 ` U.Mutlu
@ 2015-12-29 11:43 ` Julian Calaby
2015-12-29 18:04 ` U.Mutlu
0 siblings, 1 reply; 6+ messages in thread
From: Julian Calaby @ 2015-12-29 11:43 UTC (permalink / raw)
To: U.Mutlu; +Cc: linux-scsi
Hi,
On Tue, Dec 29, 2015 at 10:30 PM, U.Mutlu <for-gmane@mutluit.com> wrote:
> After this nigtmare-ish experience I would suggest the debian maintainers
> to trash the default jessie kernel 3.16 and replace it with the above
> 4.2 kernel; otherwise unexperienced users will wonder why their new SSD etc.
> isn't working in debian/ubuntu & co., as happened to me... :-(
Have you reported this as a bug against Jessie's kernel package?
I don't believe the Debian kernel maintainers read this mailing list.
Thanks,
--
Julian Calaby
Email: julian.calaby@gmail.com
Profile: http://www.google.com/profiles/julian.calaby/
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: How to set DPOFUA=0 ?
2015-12-29 11:43 ` Julian Calaby
@ 2015-12-29 18:04 ` U.Mutlu
0 siblings, 0 replies; 6+ messages in thread
From: U.Mutlu @ 2015-12-29 18:04 UTC (permalink / raw)
To: linux-scsi
Julian Calaby wrote on 12/29/2015 12:43 PM:
> Hi,
>
> On Tue, Dec 29, 2015 at 10:30 PM, U.Mutlu <for-gmane@mutluit.com> wrote:
>> After this nigtmare-ish experience I would suggest the debian maintainers
>> to trash the default jessie kernel 3.16 and replace it with the above
>> 4.2 kernel; otherwise unexperienced users will wonder why their new SSD etc.
>> isn't working in debian/ubuntu & co., as happened to me... :-(
>
> Have you reported this as a bug against Jessie's kernel package?
I wasn't sure if that really was a bug, so I just first asked for
info/confirmation here, and later also in their mailing list (
debian-kernel@lists.debian.org ) as it first seemed to be a SCSI and/or USB issue.
Then I tried a newer kernel and the problem was gone.
Yes, I informed the other list too about the solution.
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: How to set DPOFUA=0 ?
2015-12-26 1:25 How to set DPOFUA=0 ? U.Mutlu
2015-12-29 11:30 ` U.Mutlu
@ 2016-01-19 20:50 ` Dmitry Katsubo
2016-01-19 22:10 ` Dmitry Katsubo
1 sibling, 1 reply; 6+ messages in thread
From: Dmitry Katsubo @ 2016-01-19 20:50 UTC (permalink / raw)
To: U.Mutlu; +Cc: linux-scsi
On 2015-12-26 02:25, U.Mutlu wrote:
> Hi,
> I have got 2 different submodels of the SSD Samsung 850 Evo 500 GB.
> The first one has DPOFUA=0, the second one has DPOFUA=1 (see below).
> That with DPOFUA=0 works fine, but the other with DPOFUA=1 doesn't work
> after mounting; it reports errors and switches to read-only mount.
>
> It seems Linux has a problem with DPOFUA=1, so then IMO best would be to
> disable that feature of the device. So, how & where can DPOFUA be set to value 0 ?
>
> Thx
I think the issue is related to one I have reported earlier in another
maillist [1]. The issue was with JMicron USB-to-SATA bridge that
incorrectly reported that it supports FUA, while in fact it does not.
[1] http://thread.gmane.org/gmane.linux.usb.general/133281
You need to find or add a section to drivers/usb/storage/unusual_devs.h
which e.g. reads as follows (replace 0x???? with bcdDevice value from
lsusb output):
UNUSUAL_DEV( 0x357d, 0x7788, 0x????, 0x????,
"JMicron",
"USB to ATA/ATAPI Bridge",
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
US_FL_BROKEN_FUA ),
Recompile the kernel, reboot & enjoy :)
> ############################################################################
> # uname -a
> Linux panther 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt20-1+deb8u1 (2015-12-14) x86_64 GNU/Linux
>
> ############################################################################
> Dec 26 00:45:38 panther vmunix: [ 2337.193164] usb 4-1: new SuperSpeed USB device number 2 using xhci_hcd
> Dec 26 00:45:38 panther vmunix: [ 2337.212852] usb 4-1: New USB device found, idVendor=357d, idProduct=7788
> Dec 26 00:45:38 panther vmunix: [ 2337.212861] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
> Dec 26 00:45:38 panther vmunix: [ 2337.212866] usb 4-1: Product: USB to ATA/ATAPI Bridge
> Dec 26 00:45:38 panther vmunix: [ 2337.212870] usb 4-1: Manufacturer: JMicron
> Dec 26 00:45:38 panther vmunix: [ 2337.212874] usb 4-1: SerialNumber: 321AE8171482926
> Dec 26 00:45:38 panther vmunix: [ 2337.245338] usb-storage 4-1:1.0: USB Mass Storage device detected
> Dec 26 00:45:38 panther vmunix: [ 2337.245591] scsi2 : usb-storage 4-1:1.0
> Dec 26 00:45:38 panther vmunix: [ 2337.245770] usbcore: registered new interface driver usb-storage
> Dec 26 00:45:39 panther vmunix: [ 2338.244729] scsi 2:0:0:0: Direct-Access Samsung SSD 850 EVO 500G 0114 PQ: 0 ANSI: 6
> Dec 26 00:45:39 panther vmunix: [ 2338.245308] sd 2:0:0:0: Attached scsi generic sg2 type 0
> Dec 26 00:45:39 panther vmunix: [ 2338.247115] sd 2:0:0:0: [sdb] Spinning up disk...
> Dec 26 00:45:49 panther vmunix: [ 2339.251034] .........
> Dec 26 00:45:52 panther vmunix: [ 2348.278894] ....ready
> Dec 26 00:45:52 panther vmunix: [ 2351.288429] sd 2:0:0:0: [sdb] 976773168 512-byte logical blocks: (500 GB/465 GiB)
> Dec 26 00:45:52 panther vmunix: [ 2351.288953] sd 2:0:0:0: [sdb] Write Protect is off
> Dec 26 00:45:52 panther vmunix: [ 2351.288959] sd 2:0:0:0: [sdb] Mode Sense: 47 00 10 08
> Dec 26 00:45:52 panther vmunix: [ 2351.289447] sd 2:0:0:0: [sdb] Write cache: enabled, read cache: enabled, supports DPO and FUA
> Dec 26 00:45:52 panther vmunix: [ 2351.293763] sdb: sdb1 sdb2 sdb3
> Dec 26 00:45:52 panther vmunix: [ 2351.295862] sd 2:0:0:0: [sdb] Attached SCSI disk
> Dec 26 00:47:02 panther vmunix: [ 2421.091552] EXT4-fs (sdb1): mounted filesystem with ordered data mode. Opts: (null)
> Dec 26 00:47:09 panther vmunix: [ 2428.394003] sd 2:0:0:0: [sdb] Invalid command failure
> Dec 26 00:47:09 panther vmunix: [ 2428.394013] sd 2:0:0:0: [sdb]
> Dec 26 00:47:09 panther vmunix: [ 2428.394017] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
> Dec 26 00:47:09 panther vmunix: [ 2428.394021] sd 2:0:0:0: [sdb]
> Dec 26 00:47:09 panther vmunix: [ 2428.394024] Sense Key : Illegal Request [current]
> Dec 26 00:47:09 panther vmunix: [ 2428.394030] sd 2:0:0:0: [sdb]
> Dec 26 00:47:09 panther vmunix: [ 2428.394034] Add. Sense: Invalid field in cdb
> Dec 26 00:47:09 panther vmunix: [ 2428.394038] sd 2:0:0:0: [sdb] CDB:
> Dec 26 00:47:09 panther vmunix: [ 2428.394040] Write(10): 2a 08 02 04 08 20 00 00 08 00
> Dec 26 00:47:09 panther vmunix: [ 2428.394054] end_request: critical target error, dev sdb, sector 33818656
> Dec 26 00:47:09 panther vmunix: [ 2428.394059] end_request: critical target error, dev sdb, sector 33818656
> Dec 26 00:47:09 panther vmunix: [ 2428.394120] Aborting journal on device sdb1-8.
> Dec 26 00:47:09 panther vmunix: [ 2428.471535] EXT4-fs error (device sdb1): ext4_journal_check_start:56: Detected aborted journal
> Dec 26 00:47:09 panther vmunix: [ 2428.471547] EXT4-fs (sdb1): Remounting filesystem read-only
>
>
> ############################################################################
> # sdparm -a --long /dev/sda
> /dev/sda: ATA Samsung SSD 850 1B6Q
> Direct access device specific parameters: WP=0 DPOFUA=0
> Read write error recovery [rw] mode page:
> AWRE 1 [cha: n, def: 1] Automatic write reallocation enabled
> ARRE 0 [cha: n, def: 0] Automatic read reallocation enabled
> TB 0 [cha: n, def: 0] Transfer block
> RC 0 [cha: n, def: 0] Read continuous
> EER 0 [cha: n, def: 0] Enable early recovery
> PER 0 [cha: n, def: 0] Post error
> DTE 0 [cha: n, def: 0] Data terminate on error
> DCR 0 [cha: n, def: 0] Disable correction
> RRC 0 [cha: n, def: 0] Read retry count
> COR_S 0 [cha: n, def: 0] Correction span (obsolete)
> HOC 0 [cha: n, def: 0] Head offset count (obsolete)
> DSOC 0 [cha: n, def: 0] Data strobe offset count (obsolete)
> LBPERE 0 [cha: n, def: 0] Logical block provisioning error reporting enabled
> WRC 0 [cha: n, def: 0] Write retry count
> RTL 0 [cha: n, def: 0] Recovery time limit (ms)
> Caching (SBC) [ca] mode page:
> IC 0 [cha: n, def: 0] Initiator control
> ABPF 0 [cha: n, def: 0] Abort pre-fetch
> CAP 0 [cha: n, def: 0] Caching analysis permitted
> DISC 0 [cha: n, def: 0] Discontinuity
> SIZE 0 [cha: n, def: 0] Size enable
> WCE 1 [cha: y, def: 1] Write cache enable
> MF 0 [cha: n, def: 0] Multiplication factor
> RCD 0 [cha: n, def: 0] Read cache disable
> DRRP 0 [cha: n, def: 0] Demand read retention priority
> WRP 0 [cha: n, def: 0] Write retention priority
> DPTL 0 [cha: n, def: 0] Disable pre-fetch transfer length
> MIPF 0 [cha: n, def: 0] Minimum pre-fetch
> MAPF 0 [cha: n, def: 0] Maximum pre-fetch
> MAPFC 0 [cha: n, def: 0] Maximum pre-fetch ceiling
> FSW 0 [cha: n, def: 0] Force sequential write
> LBCSS 0 [cha: n, def: 0] Logical block cache segment size
> DRA 0 [cha: n, def: 0] Disable read ahead
> SYNC_PROG 0 [cha: n, def: 0] Synchronous cache progress indication
> NV_DIS 0 [cha: n, def: 0] Non-volatile cache disable
> NCS 0 [cha: n, def: 0] Number of cache segments
> CSS 0 [cha: n, def: 0] Cache segment size
> Control [co] mode page:
> TST 0 [cha: n, def: 0] Task set type
> TMF_ONLY 0 [cha: n, def: 0] Task management functions only
> DPICZ 0 [cha: n, def: 0] Disable protection information check if protect field zero
> D_SENSE 0 [cha: n, def: 0] Descriptor format sense data
> GLTSD 1 [cha: n, def: 1] Global logging target save disable
> RLEC 0 [cha: n, def: 0] Report log exception condition
> QAM 0 [cha: n, def: 0] Queue algorithm modifier
> NUAR 0 [cha: n, def: 0] No unit attention on release
> QERR 0 [cha: n, def: 0] Queue error management
> RAC 0 [cha: n, def: 0] Report a check
> UA_INTLCK 0 [cha: n, def: 0] Unit attention interlocks control
> SWP 0 [cha: n, def: 0] Software write protect
> ATO 0 [cha: n, def: 0] Application tag owner
> TAS 0 [cha: n, def: 0] Task aborted status
> ATMPE 0 [cha: n, def: 0] Application tag mode page enabled
> RWWP 0 [cha: n, def: 0] Reject write without protection
> AUTOLOAD 0 [cha: n, def: 0] Autoload mode
> BTP -1 [cha: n, def: -1] Busy timeout period (100us)
> ESTCT 30 [cha: n, def: 30] Extended self test completion time (sec)
>
>
> ############################################################################
> # sdparm -a --long /dev/sdb
> /dev/sdb: Samsung SSD 850 EVO 500G 0114
> Direct access device specific parameters: WP=0 DPOFUA=1
> Caching (SBC) [ca] mode page:
> IC 0 [cha: n, def: 0, sav: 0] Initiator control
> ABPF 0 [cha: n, def: 0, sav: 0] Abort pre-fetch
> CAP 0 [cha: n, def: 0, sav: 0] Caching analysis permitted
> DISC 1 [cha: n, def: 1, sav: 1] Discontinuity
> SIZE 0 [cha: n, def: 0, sav: 0] Size enable
> WCE 1 [cha: n, def: 1, sav: 1] Write cache enable
> MF 0 [cha: n, def: 0, sav: 0] Multiplication factor
> RCD 0 [cha: n, def: 0, sav: 0] Read cache disable
> DRRP 0 [cha: n, def: 0, sav: 0] Demand read retention priority
> WRP 0 [cha: n, def: 0, sav: 0] Write retention priority
> DPTL -1 [cha: n, def: -1, sav: -1] Disable pre-fetch transfer length
> MIPF 0 [cha: n, def: 0, sav: 0] Minimum pre-fetch
> MAPF -1 [cha: n, def: -1, sav: -1] Maximum pre-fetch
> MAPFC -1 [cha: n, def: -1, sav: -1] Maximum pre-fetch ceiling
> FSW 0 [cha: n, def: 0, sav: 0] Force sequential write
> LBCSS 0 [cha: n, def: 0, sav: 0] Logical block cache segment size
> DRA 0 [cha: n, def: 0, sav: 0] Disable read ahead
> SYNC_PROG 0 [cha: n, def: 0, sav: 0] Synchronous cache progress indication
> NV_DIS 0 [cha: n, def: 0, sav: 0] Non-volatile cache disable
> NCS 255 [cha: n, def:255, sav:255] Number of cache segments
> CSS 0 [cha: n, def: 0, sav: 0] Cache segment size
> Power condition [po] mode page:
> PM_BG 0 [cha: n, def: 0, sav: 0] Power management, background functions, precedence
> STANDBY_Y 0 [cha: n, def: 0, sav: 0] Standby_y timer enable
> IDLE_C 0 [cha: n, def: 0, sav: 0] Idle_c timer enable
> IDLE_B 0 [cha: n, def: 0, sav: 0] Idle_b timer enable
> IDLE 0 [cha: n, def: 0, sav: 0] Idle_a timer enable
> STANDBY 0 [cha: y, def: 1, sav: 0] Standby_z timer enable
> ICT 0 [cha: n, def: 0, sav: 0] Idle_a condition timer (100 ms)
> SCT 0 [cha: y, def:18000, sav: 0] Standby_z condition timer (100 ms)
> IBCT 0 [cha: n, def: 0, sav: 0] Idle_b condition timer (100 ms)
> ICCT 0 [cha: n, def: 0, sav: 0] Idle_c condition timer (100 ms)
> SYCT 0 [cha: n, def: 0, sav: 0] Standby_y condition timer (100 ms)
> CCF_IDLE 0 [cha: n, def: 0, sav: 0] check condition on transition from idle
> CCF_STAND 0 [cha: n, def: 0, sav: 0] check condition on transition from standby
> CCF_STOPP 0 [cha: n, def: 0, sav: 0] check condition on transition from stopped
>
> ############################################################################
--
With best regards,
Dmitry
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: How to set DPOFUA=0 ?
2016-01-19 20:50 ` Dmitry Katsubo
@ 2016-01-19 22:10 ` Dmitry Katsubo
0 siblings, 0 replies; 6+ messages in thread
From: Dmitry Katsubo @ 2016-01-19 22:10 UTC (permalink / raw)
To: U.Mutlu; +Cc: linux-scsi
> Solved:
>
> By installing a the latest kernel and headers from Debian backports solved the
> problem:
>
> apt-get -t jessie-backports install linux-image-amd64 linux-headers-amd64
>
> Info about backports configuration:
> http://backports.debian.org/Instructions/
>
> # uname -a
> Linux panther 4.2.0-0.bpo.1-amd64 #1 SMP Debian 4.2.6-3~bpo8+2 (2015-12-14)
> x86_64 GNU/Linux
>
> After this nigtmare-ish experience I would suggest the debian maintainers
> to trash the default jessie kernel 3.16 and replace it with the above
> 4.2 kernel; otherwise unexperienced users will wonder why their new SSD etc.
> isn't working in debian/ubuntu & co., as happened to me... :-(
I have missed that your message. Solved? Amazing, because the patch I had in
mind was not applied to 4.2.6. Also the device you are reporting has different
productId. I think that in newer kernels (4.x) another driver is used (UAS),
which has already given device logged as "special", see
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/drivers/usb/storage/unusual_uas.h#n145
/* Reported-by: Takeo Nakayama <javhera@gmx.com> */
UNUSUAL_DEV(0x357d, 0x7788, 0x0000, 0x9999,
"JMicron",
"JMS566",
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
US_FL_NO_REPORT_OPCODES),
However it does not have US_FL_BROKEN_FUA flag set. Mystery.
--
With best regards,
Dmitry
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2016-01-19 22:14 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2015-12-26 1:25 How to set DPOFUA=0 ? U.Mutlu
2015-12-29 11:30 ` U.Mutlu
2015-12-29 11:43 ` Julian Calaby
2015-12-29 18:04 ` U.Mutlu
2016-01-19 20:50 ` Dmitry Katsubo
2016-01-19 22:10 ` Dmitry Katsubo
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