Comment 12 for bug 1347936

This bug also exists in http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.16-rc6-utopic/:

$ uname -r
3.16.0-031600rc6-generic

$ lsscsi
[4:0:0:0] disk ATA OCZ-VERTEX 1.3 /dev/sda
[8:0:0:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdb
[9:0:0:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdc
[12:0:0:0] process Marvell 91xx Config 1.01 -

$ dmesg
...
[ 0.555053] scsi5 : ahci
[ 0.555178] scsi6 : ahci
[ 0.557674] scsi7 : ahci
[ 0.562023] scsi8 : ahci
[ 0.562166] scsi9 : ahci
[ 0.562285] scsi10 : ahci
[ 0.562405] scsi11 : ahci
[ 0.562527] scsi12 : ahci
[ 0.564128] ata6: SATA max UDMA/133 abar m2048@0xf0510000 port 0xf0510100 irq 43
[ 0.564182] ata7: SATA max UDMA/133 abar m2048@0xf0510000 port 0xf0510180 irq 43
[ 0.564242] ata8: SATA max UDMA/133 abar m2048@0xf0510000 port 0xf0510200 irq 43
[ 0.564294] ata9: SATA max UDMA/133 abar m2048@0xf0510000 port 0xf0510280 irq 43
[ 0.564346] ata10: SATA max UDMA/133 abar m2048@0xf0510000 port 0xf0510300 irq 43
[ 0.564398] ata11: SATA max UDMA/133 abar m2048@0xf0510000 port 0xf0510380 irq 43
[ 0.564451] ata12: SATA max UDMA/133 abar m2048@0xf0510000 port 0xf0510400 irq 43
[ 0.564503] ata13: SATA max UDMA/133 abar m2048@0xf0510000 port 0xf0510480 irq 43
...
[ 0.890733] ata9: SATA link down (SStatus 0 SControl 300)
[ 0.890807] ata12: SATA link down (SStatus 0 SControl 300)
[ 0.890865] ata7: SATA link down (SStatus 0 SControl 300)
[ 0.890920] ata10: SATA link down (SStatus 0 SControl 300)
[ 0.890976] ata8: SATA link down (SStatus 0 SControl 300)
[ 0.891040] ata13: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[ 0.894720] ata11: SATA link down (SStatus 0 SControl 300)
...
[ 0.946697] ata6: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[ 0.951462] ata13.00: ATAPI: MARVELL VIRTUALL, 1.09, max UDMA/66
[ 0.951749] ata13.00: configured for UDMA/66
...
[ 1.930159] ata8: exception Emask 0x10 SAct 0x0 SErr 0x4000000 action 0xe frozen
[ 1.930212] ata8: irq_stat 0x80000040, connection status changed
[ 1.930249] ata8: SError: { DevExch }
[ 1.930284] ata8: hard resetting link
[ 2.441343] Switched to clocksource tsc
[ 2.988700] ata8: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[ 3.828224] ata9: exception Emask 0x10 SAct 0x0 SErr 0x4000000 action 0xe frozen
[ 3.828277] ata9: irq_stat 0x80000040, connection status changed
[ 3.828314] ata9: SError: { DevExch }
[ 3.828348] ata9: hard resetting link
[ 4.886863] ata9: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[ 5.726277] ata10: exception Emask 0x10 SAct 0x0 SErr 0x4000000 action 0xe frozen
[ 5.726330] ata10: irq_stat 0x80000040, connection status changed
[ 5.726368] ata10: SError: { DevExch }
[ 5.726402] ata10: hard resetting link
[ 5.945810] ata6.00: qc timeout (cmd 0xef)
[ 5.953804] ata6.00: failed to IDENTIFY (SPINUP failed, err_mask=0x4)
[ 6.785002] ata10: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[ 7.624320] ata11: exception Emask 0x10 SAct 0x0 SErr 0x4000000 action 0xe frozen
[ 7.624373] ata11: irq_stat 0x80000040, connection status changed
[ 7.624410] ata11: SError: { DevExch }
[ 7.624445] ata11: hard resetting link
[ 7.983823] ata8.00: qc timeout (cmd 0xec)
[ 7.991818] ata8.00: failed to IDENTIFY (I/O error, err_mask=0x4)
[ 7.991857] ata8: hard resetting link
[ 8.239583] ata6: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[ 8.319510] ata8: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[ 8.347482] ata11: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[ 13.314613] ata9.00: qc timeout (cmd 0xef)
[ 13.314653] ata10.00: qc timeout (cmd 0xef)
[ 13.322625] ata8.00: qc timeout (cmd 0xef)
[ 13.322667] ata9.00: failed to IDENTIFY (SPINUP failed, err_mask=0x4)
[ 13.322708] ata9: hard resetting link
[ 13.322747] ata10.00: failed to IDENTIFY (SPINUP failed, err_mask=0x4)
[ 13.322785] ata10: hard resetting link
[ 13.330619] ata8.00: failed to IDENTIFY (SPINUP failed, err_mask=0x4)
[ 13.330659] ata8: limiting SATA link speed to 1.5 Gbps
[ 13.330695] ata8: hard resetting link
[ 13.342602] ata11.00: qc timeout (cmd 0xec)
[ 13.350597] ata11.00: failed to IDENTIFY (I/O error, err_mask=0x4)
[ 13.350637] ata11: hard resetting link
[ 13.650322] ata10: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[ 15.664350] ata9: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[ 15.672345] ata8: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
[ 15.748270] ata11: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[ 25.702548] ata6.00: qc timeout (cmd 0xef)
[ 25.702588] ata9.00: qc timeout (cmd 0xef)
[ 25.702627] ata8.00: qc timeout (cmd 0xef)
[ 25.710559] ata9.00: failed to read native max address (err_mask=0x40)
[ 25.710598] ata9.00: HPA support seems broken, skipping HPA handling
[ 25.710637] ata9: limiting SATA link speed to 1.5 Gbps
[ 25.710672] ata9: hard resetting link
[ 25.710711] ata6.00: failed to enable AA (error_mask=0x4)
[ 25.710750] ata6: limiting SATA link speed to 1.5 Gbps
[ 25.710792] ata8.00: failed to IDENTIFY (SPINUP failed, err_mask=0x4)
[ 25.710830] ata8: hard resetting link
[ 25.738525] ata11.00: qc timeout (cmd 0xec)
[ 25.746519] ata11.00: failed to IDENTIFY (I/O error, err_mask=0x4)
[ 25.746559] ata11: limiting SATA link speed to 1.5 Gbps
[ 25.746595] ata11: hard resetting link
[ 26.038250] ata9: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
[ 26.038311] ata6: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
[ 27.812527] ata10.00: qc timeout (cmd 0xec)
[ 27.820499] ata10.00: failed to IDENTIFY (I/O error, err_mask=0x4)
[ 27.820539] ata10: limiting SATA link speed to 1.5 Gbps
[ 27.820575] ata10: hard resetting link
[ 30.122263] ata8: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
[ 30.130246] ata8: EH complete
[ 30.158228] ata11: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
[ 30.218172] ata10: SATA link up 1.5 Gbps (SStatus 113 SControl 310)