Re: [PATCH] mvsas: mvs_lu_reset iterates phy num times when releasing task

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Konstantinos Skarlatos wrote:

 On 8/9/2010 1:53 μμ, Konstantinos Skarlatos wrote:

 On 4/9/2010 1:13 πμ, David Milburn wrote:

On Fri, Aug 06, 2010 at 08:21:16PM +0300, Konstantinos Skarlatos wrote:

>    Hello,
> >  Does this patch fix any of the mvs_abort_task:rc= 5 and the other
> problems that are being reported for this driver? for more info please 
>  seehttp://marc.info/?l=linux-scsi&m=127583131805429&w=2
> 
Hello,

Can you see if this patch prevents the ata_qc_issue warning?

Thanks,
David

  drivers/scsi/libsas/sas_ata.c |    1 +
  1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c 
index 042153c..ddbade7 100644
--- a/drivers/scsi/libsas/sas_ata.c
+++ b/drivers/scsi/libsas/sas_ata.c
@@ -347,6 +347,7 @@ static int sas_ata_scr_read(struct ata_link *link, unsigned int sc_reg_in, 
  static struct ata_port_operations sas_sata_ops = {
      .phy_reset        = sas_ata_phy_reset,
      .post_internal_cmd    = sas_ata_post_internal,
+    .qc_defer               = ata_std_qc_defer,
      .qc_prep        = ata_noop_qc_prep,
      .qc_issue        = sas_ata_qc_issue,
      .qc_fill_rtf        = sas_ata_qc_fill_rtf,


Hello,
I have been unable to patch my kernel, I am a noob at this and the method i used a few months ago to apply Srinivas patches for mvsas does not work now. I have asked for help from my distro (arch linux), but if you have a quick and easy way for me to patch sas_ata.c and reload the module without reboots or complete kernel recompilations I would be grateful to hear it. 

Kind regards
Hi, I finally managed to compile libsas. Here is dmesg output when loading mvsas (BTW what do the messages about ata38.00 mean?). I will report back when I do more testing 

Hi, looks like the first couple of attempts to IDENTIFY DEVICE failed. This
patch should prevent mixing NCQ and non-NCQ commands so you shouldn't
see the warning from ata_qc_issue(). Thanks.



mvsas 0000:05:00.0: mvsas: driver version 0.8.2
mvsas 0000:05:00.0: PCI INT A -> Link[APC3] -> GSI 18 (level, low) -> IRQ 18 
mvsas 0000:05:00.0: setting latency timer to 64
mvsas 0000:05:00.0: mvsas: PCI-E x4, Bandwidth Usage: 2.5 Gbps
scsi13 : mvsas
drivers/scsi/mvsas/mv_sas.c 1260:set wide port phy map 1
drivers/scsi/mvsas/mv_sas.c 1260:set wide port phy map 3
drivers/scsi/mvsas/mv_sas.c 1260:set wide port phy map 7
drivers/scsi/mvsas/mv_sas.c 1260:set wide port phy map f
ata38.00: ATA-8: ST31500541AS, CC34, max UDMA/133
ata38.00: 2930277168 sectors, multi 0: LBA48 NCQ (depth 31/32)
ata38.00: qc timeout (cmd 0xec)
ata38.00: failed to IDENTIFY (I/O error, err_mask=0x4)
ata38.00: revalidation failed (errno=-5)
drivers/scsi/mvsas/mv_sas.c 1586:mvs_I_T_nexus_reset for device[1]:rc= 0
ata38.00: failed to IDENTIFY (I/O error, err_mask=0x100)
ata38: limiting SATA link speed to 1.5 Gbps
ata38.00: limiting speed to UDMA/133:PIO3
drivers/scsi/mvsas/mv_sas.c 1586:mvs_I_T_nexus_reset for device[1]:rc= 0
ata38.00: ATA-8: ST31500541AS, CC34, max UDMA/133
ata38.00: 2930277168 sectors, multi 0: LBA48 NCQ (depth 31/32)
ata38.00: configured for UDMA/133
scsi 13:0:0:0: Direct-Access ATA ST31500541AS CC34 PQ: 0 ANSI: 5 
sd 13:0:0:0: Attached scsi generic sg1 type 0
sd 13:0:0:0: [sdb] 2930277168 512-byte logical blocks: (1.50 TB/1.36 TiB)
sd 13:0:0:0: [sdb] Write Protect is off
sd 13:0:0:0: [sdb] Mode Sense: 00 3a 00 00
sd 13:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA 
 sdb:
ata39.00: ATA-8: ST31500541AS, CC32, max UDMA/133
ata39.00: 2930277168 sectors, multi 0: LBA48 NCQ (depth 31/32)
 sdb1
sd 13:0:0:0: [sdb] Attached SCSI disk
ata39.00: configured for UDMA/133
scsi 13:0:1:0: Direct-Access ATA ST31500541AS CC32 PQ: 0 ANSI: 5 
sd 13:0:1:0: Attached scsi generic sg2 type 0
sd 13:0:1:0: [sdc] 2930277168 512-byte logical blocks: (1.50 TB/1.36 TiB)
sd 13:0:1:0: [sdc] Write Protect is off
sd 13:0:1:0: [sdc] Mode Sense: 00 3a 00 00
sd 13:0:1:0: [sdc] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA 
 sdc: sdc1
sd 13:0:1:0: [sdc] Attached SCSI disk
ata40.00: ATA-8: WDC WD15EADS-00S2B0, 01.00A01, max UDMA/133
ata40.00: 2930277168 sectors, multi 0: LBA48 NCQ (depth 31/32)
ata40.00: configured for UDMA/133
scsi 13:0:2:0: Direct-Access ATA WDC WD15EADS-00S 01.0 PQ: 0 ANSI: 5 
sd 13:0:2:0: Attached scsi generic sg3 type 0
sd 13:0:2:0: [sdd] 2930277168 512-byte logical blocks: (1.50 TB/1.36 TiB)
sd 13:0:2:0: [sdd] Write Protect is off
sd 13:0:2:0: [sdd] Mode Sense: 00 3a 00 00
sd 13:0:2:0: [sdd] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA 
 sdd:
ata41.00: ATA-8: ST31500541AS, CC32, max UDMA/133
ata41.00: 2930277168 sectors, multi 0: LBA48 NCQ (depth 31/32)
ata41.00: configured for UDMA/133
scsi 13:0:3:0: Direct-Access ATA ST31500541AS CC32 PQ: 0 ANSI: 5 
sd 13:0:3:0: Attached scsi generic sg4 type 0
sd 13:0:3:0: [sde] 2930277168 512-byte logical blocks: (1.50 TB/1.36 TiB)
sd 13:0:3:0: [sde] Write Protect is off
sd 13:0:3:0: [sde] Mode Sense: 00 3a 00 00
sd 13:0:3:0: [sde] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA 
 sde: sde1
sd 13:0:3:0: [sde] Attached SCSI disk
ata42.00: ATA-8: ST31500541AS, CC34, max UDMA/133
ata42.00: 2930277168 sectors, multi 0: LBA48 NCQ (depth 31/32)
ata42.00: configured for UDMA/133
scsi 13:0:4:0: Direct-Access ATA ST31500541AS CC34 PQ: 0 ANSI: 5 
sd 13:0:4:0: [sdf] 2930277168 512-byte logical blocks: (1.50 TB/1.36 TiB)
sd 13:0:4:0: [sdf] Write Protect is off
sd 13:0:4:0: [sdf] Mode Sense: 00 3a 00 00
sd 13:0:4:0: [sdf] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA 
sd 13:0:4:0: Attached scsi generic sg5 type 0
 sdf:
ata43.00: ATA-8: ST31500541AS, CC34, max UDMA/133
ata43.00: 2930277168 sectors, multi 0: LBA48 NCQ (depth 31/32)
ata43.00: configured for UDMA/133
scsi 13:0:5:0: Direct-Access ATA ST31500541AS CC34 PQ: 0 ANSI: 5 
sd 13:0:5:0: Attached scsi generic sg6 type 0
sd 13:0:5:0: [sdg] 2930277168 512-byte logical blocks: (1.50 TB/1.36 TiB)
sd 13:0:5:0: [sdg] Write Protect is off
sd 13:0:5:0: [sdg] Mode Sense: 00 3a 00 00
sd 13:0:5:0: [sdg] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA 
 sdg:
ata44.00: ATA-8: ST31500541AS, CC32, max UDMA/133
ata44.00: 2930277168 sectors, multi 0: LBA48 NCQ (depth 31/32)
ata44.00: configured for UDMA/133
scsi 13:0:6:0: Direct-Access ATA ST31500541AS CC32 PQ: 0 ANSI: 5 
sd 13:0:6:0: Attached scsi generic sg7 type 0
sd 13:0:6:0: [sdh] 2930277168 512-byte logical blocks: (1.50 TB/1.36 TiB)
sd 13:0:6:0: [sdh] Write Protect is off
sd 13:0:6:0: [sdh] Mode Sense: 00 3a 00 00
sd 13:0:6:0: [sdh] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA 
 sdh: sdh1
sd 13:0:6:0: [sdh] Attached SCSI disk
ata45.00: ATA-8: ST31500541AS, CC34, max UDMA/133
ata45.00: 2930277168 sectors, multi 0: LBA48 NCQ (depth 31/32)
ata45.00: configured for UDMA/133
scsi 13:0:7:0: Direct-Access ATA ST31500541AS CC34 PQ: 0 ANSI: 5 
sd 13:0:7:0: Attached scsi generic sg8 type 0
sd 13:0:7:0: [sdi] 2930277168 512-byte logical blocks: (1.50 TB/1.36 TiB)
sd 13:0:7:0: [sdi] Write Protect is off
sd 13:0:7:0: [sdi] Mode Sense: 00 3a 00 00
sd 13:0:7:0: [sdi] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA 
 sdi:
ata46.00: ATA-8: ST31500541AS, CC32, max UDMA/133
ata46.00: 2930277168 sectors, multi 0: LBA48 NCQ (depth 31/32)
ata46.00: configured for UDMA/133
scsi 13:0:8:0: Direct-Access ATA ST31500541AS CC32 PQ: 0 ANSI: 5 
sd 13:0:8:0: Attached scsi generic sg9 type 0
sd 13:0:8:0: [sdj] 2930277168 512-byte logical blocks: (1.50 TB/1.36 TiB)
sd 13:0:8:0: [sdj] Write Protect is off
sd 13:0:8:0: [sdj] Mode Sense: 00 3a 00 00
sd 13:0:8:0: [sdj] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA 
 sdj: sdj1
sd 13:0:8:0: [sdj] Attached SCSI disk
ata47.00: qc timeout (cmd 0x27)
ata47.00: failed to read native max address (err_mask=0x4)
ata47.00: HPA support seems broken, skipping HPA handling
drivers/scsi/mvsas/mv_sas.c 1586:mvs_I_T_nexus_reset for device[a]:rc= 0
 sdi1
sd 13:0:7:0: [sdi] Attached SCSI disk
ata47.00: ATA-8: ST31500341AS, CC1H, max UDMA/133
ata47.00: 2930277168 sectors, multi 0: LBA48 NCQ (depth 31/32)
ata47.00: configured for UDMA/133
scsi 13:0:9:0: Direct-Access ATA ST31500341AS CC1H PQ: 0 ANSI: 5 
sd 13:0:9:0: Attached scsi generic sg10 type 0
sd 13:0:9:0: [sdk] 2930277168 512-byte logical blocks: (1.50 TB/1.36 TiB)
sd 13:0:9:0: [sdk] Write Protect is off
sd 13:0:9:0: [sdk] Mode Sense: 00 3a 00 00
sd 13:0:9:0: [sdk] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA 
 sdk: sdk1
sd 13:0:9:0: [sdk] Attached SCSI disk
 sdf1
sd 13:0:4:0: [sdf] Attached SCSI disk
 sdg1
sd 13:0:5:0: [sdg] Attached SCSI disk
 sdd1
sd 13:0:2:0: [sdd] Attached SCSI disk
ata48.00: qc timeout (cmd 0x27)
ata48.00: failed to read native max address (err_mask=0x4)
ata48.00: HPA support seems broken, skipping HPA handling
drivers/scsi/mvsas/mv_sas.c 1586:mvs_I_T_nexus_reset for device[b]:rc= 0
ata48.00: ATA-8: ST31500341AS, CC1H, max UDMA/133
ata48.00: 2930277168 sectors, multi 0: LBA48 NCQ (depth 31/32)
ata48.00: configured for UDMA/133
scsi 13:0:10:0: Direct-Access ATA ST31500341AS CC1H PQ: 0 ANSI: 5 
sd 13:0:10:0: Attached scsi generic sg11 type 0
sd 13:0:10:0: [sdl] 2930277168 512-byte logical blocks: (1.50 TB/1.36 TiB)
sd 13:0:10:0: [sdl] Write Protect is off
sd 13:0:10:0: [sdl] Mode Sense: 00 3a 00 00
sd 13:0:10:0: [sdl] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA 
 sdl:
ata49.00: ATA-8: ST31500541AS, CC32, max UDMA/133
ata49.00: 2930277168 sectors, multi 0: LBA48 NCQ (depth 31/32)
 sdl1
sd 13:0:10:0: [sdl] Attached SCSI disk
ata49.00: configured for UDMA/133
scsi 13:0:11:0: Direct-Access ATA ST31500541AS CC32 PQ: 0 ANSI: 5 
sd 13:0:11:0: Attached scsi generic sg12 type 0
sd 13:0:11:0: [sdm] 2930277168 512-byte logical blocks: (1.50 TB/1.36 TiB)
sd 13:0:11:0: [sdm] Write Protect is off
sd 13:0:11:0: [sdm] Mode Sense: 00 3a 00 00
sd 13:0:11:0: [sdm] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA 
 sdm: sdm1
sd 13:0:11:0: [sdm] Attached SCSI disk
ata50.00: ATA-8: WDC WD15EADS-00P8B0, 01.00A01, max UDMA/133
ata50.00: 2930277168 sectors, multi 0: LBA48 NCQ (depth 31/32)
ata50.00: configured for UDMA/133
scsi 13:0:12:0: Direct-Access ATA WDC WD15EADS-00P 01.0 PQ: 0 ANSI: 5 
sd 13:0:12:0: Attached scsi generic sg13 type 0
sd 13:0:12:0: [sdn] 2930277168 512-byte logical blocks: (1.50 TB/1.36 TiB)
sd 13:0:12:0: [sdn] Write Protect is off
sd 13:0:12:0: [sdn] Mode Sense: 00 3a 00 00
sd 13:0:12:0: [sdn] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA 
 sdn:
scsi 13:0:13:0: Enclosure HP HP SAS EXP Card 1.00 PQ: 0 ANSI: 5 
ses 13:0:13:0: Attached Enclosure device
ses 13:0:13:0: Attached scsi generic sg14 type 13
 sdn1
sd 13:0:12:0: [sdn] Attached SCSI disk



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