On 8/14/2013 1:17 AM, Robert Hancock wrote:
On 08/13/2013 04:36 PM, Bruce Link wrote:
On bootup, when trying to attach to a Lite-on iHOS-104 DVD drive, the
kernel attempts to establish a connection to the CD drive at a variety
of speeds. Ultimately it fails with a "TEST_UNIT_READY failed
(err_mask=0x4)" message
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https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1063474
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The relevant DMESG output is listed below:
watchtv@teevee:~$ dmesg|grep ata5
[ 1.088342] ata5: SATA max UDMA/133 cmd 0x9e0 ctl 0xbe0 bmdma 0xc400
irq 23
[ 1.556031] ata5: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[ 1.564134] ata5.00: ATAPI: ATAPI iHOS104, WL0F, max UDMA/100
[ 1.580115] ata5.00: configured for UDMA/100
[ 6.580029] ata5.00: qc timeout (cmd 0xa0)
[ 6.580036] ata5.00: TEST_UNIT_READY failed (err_mask=0x4)
[ 7.048044] ata5: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[ 7.072129] ata5.00: configured for UDMA/100
[ 29.856040] ata5.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6
frozen
[ 29.856063] ata5.00: cmd a0/01:00:00:60:00/00:00:00:00:00/a0 tag 0
dma 96 in
[ 29.856065] ata5.00: status: { DRDY }
[ 29.856071] ata5: hard resetting link
[ 29.856073] ata5: nv: skipping hardreset on occupied port
[ 30.324070] ata5: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[ 30.348152] ata5.00: configured for UDMA/100
[ 35.348125] ata5.00: qc timeout (cmd 0xa0)
[ 35.348132] ata5.00: TEST_UNIT_READY failed (err_mask=0x4)
[ 35.348139] ata5: hard resetting link
[ 35.348141] ata5: nv: skipping hardreset on occupied port
[ 35.816115] ata5: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[ 35.840125] ata5.00: configured for UDMA/100
[ 36.835824] ata5: EH complete
[ 67.840151] ata5: limiting SATA link speed to 1.5 Gbps
[ 67.840159] ata5.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6
frozen
[ 67.840178] ata5.00: cmd a0/01:00:00:80:00/00:00:00:00:00/a0 tag 0
dma 16512 in
[ 67.840181] ata5.00: status: { DRDY }
[ 67.840187] ata5: hard resetting link
[ 67.840188] ata5: nv: skipping hardreset on occupied port
[ 68.308056] ata5: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[ 68.332176] ata5.00: configured for UDMA/100
[ 68.343497] ata5: EH complete
[ 75.808054] ata5.00: limiting speed to UDMA/66:PIO4
[ 75.808061] ata5.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6
frozen
[ 75.808081] ata5.00: cmd a0/01:00:00:20:00/00:00:00:00:00/a0 tag 0
dma 16416 in
[ 75.808084] ata5.00: status: { DRDY }
[ 75.808089] ata5: hard resetting link
[ 75.808091] ata5: nv: skipping hardreset on occupied port
[ 76.276050] ata5: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[ 76.300125] ata5.00: configured for UDMA/66
[ 76.307490] ata5: EH complete
[ 136.868049] ata5.00: limiting speed to UDMA/33:PIO4
[ 136.868058] ata5.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6
frozen
[ 136.868078] ata5.00: cmd a0/01:00:00:20:00/00:00:00:00:00/a0 tag 0
dma 16416 in
[ 136.868081] ata5.00: status: { DRDY }
[ 136.868087] ata5: hard resetting link
[ 136.868089] ata5: nv: skipping hardreset on occupied port
[ 137.332073] ata5: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[ 137.356170] ata5.00: configured for UDMA/33
[ 137.866272] ata5: EH complete
These NVIDIA SATA controllers are a pain as they all seem to have a
different set of bugs related to hardreset, etc. What happens if you
boot up without the drive connected and then plug in the cable after
the system boots up?
Roughly the same error is returned. See below for the dmesg output.
root@teevee:/sys/devices/pci0000:00/0000:00:06.0/ata1/host0/scsi_host/host0#
echo "- - -" > /sys/class/scsi_host/host4/scan
root@teevee:/sys/devices/pci0000:00/0000:00:06.0/ata1/host0/scsi_host/host0#
dmesg|grep ata5
[ 1.030224] ata5: SATA max UDMA/133 cmd 0x9e0 ctl 0xbe0 bmdma 0xc400
irq 20
[ 1.354216] ata5: SATA link down (SStatus 0 SControl 300)
[ 944.773288] ata5: exception Emask 0x10 SAct 0x0 SErr 0x50000 action 0xf
[ 944.773304] ata5: SError: { PHYRdyChg CommWake }
[ 944.773322] ata5: hard resetting link
[ 945.652070] ata5: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[ 945.660176] ata5.00: ATAPI: ATAPI iHOS104, WL0F, max UDMA/100
[ 945.676165] ata5.00: configured for UDMA/100
[ 950.676049] ata5.00: qc timeout (cmd 0xa0)
[ 950.676056] ata5.00: TEST_UNIT_READY failed (err_mask=0x5)
[ 950.676064] ata5: hard resetting link
[ 950.676066] ata5: nv: skipping hardreset on occupied port
[ 951.144073] ata5: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[ 951.168168] ata5.00: configured for UDMA/100
[ 956.168049] ata5.00: qc timeout (cmd 0xa0)
[ 956.168057] ata5.00: TEST_UNIT_READY failed (err_mask=0x4)
[ 956.168061] ata5: limiting SATA link speed to 1.5 Gbps
[ 956.168064] ata5.00: limiting speed to UDMA/100:PIO3
[ 956.168070] ata5: hard resetting link
[ 956.168072] ata5: nv: skipping hardreset on occupied port
[ 956.636056] ata5: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[ 956.660169] ata5.00: configured for UDMA/100
[ 961.660036] ata5.00: qc timeout (cmd 0xa0)
[ 961.660044] ata5.00: TEST_UNIT_READY failed (err_mask=0x4)
[ 961.660046] ata5.00: disabled
[ 961.660061] ata5: hard resetting link
[ 962.544045] ata5: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
[ 962.544061] ata5: EH complete
root@teevee:/sys/devices/pci0000:00/0000:00:06.0/ata1/host0/scsi_host/host0#
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