Messages in this thread | | | Subject | Re: WD SATA disk works on nv but not on ahci | From | Matt Keenan <> | Date | Wed, 02 Apr 2008 19:45:34 +0100 |
| |
On Wed, 2008-04-02 at 19:34 +0200, Michael Stapelberg wrote: > Hi, > > I recently bought an MSI 945GT Speedster-A4V which got an Intel 82801GR/GH > (ICH7 Family) SATA AHCI Controller onboard. The complete lspci-Output follows > below. > > I also have a WD 250 GB SATA disk since about a year, it's an WDC > WD2500YD-01N. This disk ran on an ASUS A8N-SLI flawlessly for over a year. It > also works on an MSI K9N (also nvidia-chipset) flawlessy right now, I just > tested it. > > When I use this disk on my MSI 945GT it throws SATA Exceptions like this on > nearly every access to the disk (reading via dd for example): > Apr 2 18:11:45 w ata5.00: exception Emask 0x52 SAct 0x1 SErr 0x1480c01 action 0x6 frozen > Apr 2 18:11:45 w ata5.00: irq_stat 0x08000000, interface fatal error > Apr 2 18:11:45 w ata5: SError: { RecovData Proto HostInt 10B8B Handshk TrStaTrns } > Apr 2 18:11:45 w ata5.00: cmd 60/00:00:10:90:0d/02:00:00:00:00/40 tag 0 ncq 262144 in > Apr 2 18:11:45 w res 40/00:04:10:90:0d/00:00:00:00:00/40 Emask 0x52 (ATA bus error) > Apr 2 18:11:45 w ata5.00: status: { DRDY } > Apr 2 18:11:45 w ata5: hard resetting link > Apr 2 18:11:51 w ata5: port is slow to respond, please be patient (Status 0x80) > Apr 2 18:11:56 w ata5: COMRESET failed (errno=-16) > Apr 2 18:11:56 w ata5: hard resetting link > Apr 2 18:11:56 w ata5: SATA link up 3.0 Gbps (SStatus 123 SControl 300) > Apr 2 18:11:56 w ata5.00: configured for UDMA/133 > Apr 2 18:11:56 w ata5: EH complete > Apr 2 18:11:56 w ata5.00: exception Emask 0x10 SAct 0x1 SErr 0x400100 action 0x2 frozen > Apr 2 18:11:56 w ata5.00: irq_stat 0x08000000, interface fatal error > Apr 2 18:11:56 w ata5: SError: { UnrecovData Handshk } > Apr 2 18:11:56 w ata5.00: cmd 61/08:00:20:28:00/00:00:00:00:00/40 tag 0 ncq 4096 out > Apr 2 18:11:56 w res 40/00:04:20:28:00/00:00:00:00:00/40 Emask 0x10 (ATA bus error) > Apr 2 18:11:56 w ata5.00: status: { DRDY } > Apr 2 18:11:56 w ata5: soft resetting link > Apr 2 18:11:57 w ata5: SATA link up 3.0 Gbps (SStatus 123 SControl 300) > Apr 2 18:11:57 w ata5.00: configured for UDMA/133 > Apr 2 18:11:57 w ata5: EH complete > Apr 2 18:11:57 w sd 5:0:0:0: [sdb] 490234752 512-byte hardware sectors (251000 MB) > Apr 2 18:11:57 w sd 5:0:0:0: [sdb] Write Protect is off > Apr 2 18:11:57 w sd 5:0:0:0: [sdb] Mode Sense: 00 3a 00 00 > Apr 2 18:11:57 w sd 5:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA > Apr 2 18:11:57 w sd 5:0:0:0: [sdb] 490234752 512-byte hardware sectors (251000 MB) > Apr 2 18:11:57 w sd 5:0:0:0: [sdb] Write Protect is off > Apr 2 18:11:57 w sd 5:0:0:0: [sdb] Mode Sense: 00 3a 00 00 > Apr 2 18:11:57 w sd 5:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA > > This is really annoying and so I tried debugging the problem... When attaching > my WD Raptor 74 GB (WDC WD740GD-00FL), there are no problems at all. I can > read the whole disk without a single error. This rules out problems with SATA > cables and power supply, I think. The cable is the same which I used the year > before. > > I also tried switching between IDE/AHCI-mode in the BIOS, but neither works > correctly. IDE-mode just spits out error messages and doesn't work at all, > AHCI produces the errors I talked about above. > > I'm using kernel 2.6.24.3 at the moment. > > This is a really strange problem in my opinion, could it be an incompatibility > in the SATA protocol of this drive? Just to stress it, the drive works on an > nvidia chipset and another drive works on the ICH7R, just this very combination > got problems. >
What's your NCQ queue length for these drives?
# for dev in /sys/block/sd*/device/queue_depth ; do echo -n "$dev: " ; \ cat $dev ; done
I have found problems with some WDC drives and NCQ on SB600 controllers (and again no probs on nv SATA).
Matt
| |