Re: Bug report for ahci-mvebu driver

marius
2022-12-08T18:07:27Z

December 8, 2022 12:51 AM, "Damien Le Moal" <damien.lemoal@opensource.wdc.com> wrote:

> By the way, did you also try a cold boot ? Switching off your router,
> connect the pmp box, turn on the router ? Does it change anything ?
> ATA hot-plugging tends to have more problems, so worth trying. The
> ahci_mvebu driver errata is for hot-plug, so this newer SoC may have
> different issues with that too.

Yes. No change. Same errors.

> Can you try with no patches and no revert adding the following options to
> your kernel command line ?
>
> libata.force=2:3Gbps

No change. Same errors.

> libata.force=2:1.5Gbps

This one works, without any error at the beginning, unlike the way reverted commit worked.

[ 33.635191][ T112] hardreset, Online=>Offline
[ 33.636272][ T112] resume, do loop
[ 33.862817][ T112] resume, after do loop
[ 33.922816][ T112] debounce, SCR=0x113
[ 33.982816][ T112] debounce, SCR=0x113
[ 34.042816][ T112] debounce, SCR=0x113
[ 34.102815][ T112] debounce, SCR=0x113
[ 34.162816][ T112] debounce, SCR=0x113
[ 34.222816][ T112] debounce, SCR=0x113
[ 34.282815][ T112] debounce, SCR=0x113
[ 34.342815][ T112] debounce, SCR=0x113
[ 34.402815][ T112] debounce, SCR=0x113
[ 34.406673][ T112] resume, return at end of function
[ 34.410531][ T112] hardreset, Offline=>Online
[ 34.420090][ T112] hardreset, sata_pmp_supported, before check_ready
[ 34.592820][ T112] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
[ 34.606547][ T112] ata2.15: Port Multiplier 1.2, 0x197b:0x0325 r193, 8 ports, feat 0xf/0x1f
[ 34.615196][ T112] device: 'link2.0': device_add
[ 34.620015][ T112] device: 'link2.0': device_add
[ 34.625514][ T112] device: 'dev2.0.0': device_add
[ 34.630365][ T112] device: 'dev2.0.0': device_add
[ 34.635780][ T112] device: 'link2.1': device_add
[ 34.640545][ T112] device: 'link2.1': device_add
[ 34.646038][ T112] device: 'dev2.1.0': device_add
[ 34.650892][ T112] device: 'dev2.1.0': device_add
[ 34.656245][ T112] device: 'link2.2': device_add
[ 34.661009][ T112] device: 'link2.2': device_add
[ 34.666209][ T112] device: 'dev2.2.0': device_add
[ 34.671063][ T112] device: 'dev2.2.0': device_add
[ 34.676631][ T112] device: 'link2.3': device_add
[ 34.681400][ T112] device: 'link2.3': device_add
[ 34.686289][ T112] device: 'dev2.3.0': device_add
[ 34.691429][ T112] device: 'dev2.3.0': device_add
[ 34.696441][ T112] device: 'link2.4': device_add
[ 34.701206][ T112] device: 'link2.4': device_add
[ 34.706700][ T112] device: 'dev2.4.0': device_add
[ 34.711554][ T112] device: 'dev2.4.0': device_add
[ 34.716867][ T112] device: 'link2.5': device_add
[ 34.721634][ T112] device: 'link2.5': device_add
[ 34.726850][ T112] device: 'dev2.5.0': device_add
[ 34.731704][ T112] device: 'dev2.5.0': device_add
[ 34.737502][ T112] device: 'link2.6': device_add
[ 34.742271][ T112] device: 'link2.6': device_add
[ 34.747160][ T112] device: 'dev2.6.0': device_add
[ 34.752013][ T112] device: 'dev2.6.0': device_add
[ 34.757613][ T112] device: 'link2.7': device_add
[ 34.762387][ T112] device: 'link2.7': device_add
[ 34.767307][ T112] device: 'dev2.7.0': device_add
[ 34.772733][ T112] device: 'dev2.7.0': device_add
[ 34.777760][ T112] device: 'link2.8': device_add
[ 34.782531][ T112] device: 'link2.8': device_add
[ 34.787757][ T112] device: 'dev2.8.0': device_add
[ 34.792616][ T112] device: 'dev2.8.0': device_add
[ 34.797950][ T112] device: 'link2.9': device_add
[ 34.802722][ T112] device: 'link2.9': device_add
[ 34.807959][ T112] device: 'dev2.9.0': device_add
[ 34.812836][ T112] device: 'dev2.9.0': device_add
[ 34.818405][ T112] device: 'link2.10': device_add
[ 34.823282][ T112] device: 'link2.10': device_add
[ 34.828837][ T112] device: 'dev2.10.0': device_add
[ 34.833811][ T112] device: 'dev2.10.0': device_add
[ 34.839470][ T112] device: 'link2.11': device_add
[ 34.844348][ T112] device: 'link2.11': device_add
[ 34.849349][ T112] device: 'dev2.11.0': device_add
[ 34.854309][ T112] device: 'dev2.11.0': device_add
[ 34.859989][ T112] device: 'link2.12': device_add
[ 34.864870][ T112] device: 'link2.12': device_add
[ 34.869875][ T112] device: 'dev2.12.0': device_add
[ 34.875187][ T112] device: 'dev2.12.0': device_add
[ 34.880283][ T112] device: 'link2.13': device_add
[ 34.885162][ T112] device: 'link2.13': device_add
[ 34.890768][ T112] device: 'dev2.13.0': device_add
[ 34.895744][ T112] device: 'dev2.13.0': device_add
[ 34.901156][ T112] device: 'link2.14': device_add
[ 34.906038][ T112] device: 'link2.14': device_add
[ 34.911351][ T112] device: 'dev2.14.0': device_add
[ 34.916318][ T112] device: 'dev2.14.0': device_add
[ 34.922247][ T112] ahci-mvebu f10a8000.sata: FBS is enabled
[ 34.928004][ T112] ata2.00: FORCE: PHY spd limit set to 1.5Gbps <-- OK!
[ 34.934110][ T112] ata2.01: FORCE: PHY spd limit set to 1.5Gbps
[ 34.940182][ T112] ata2.02: FORCE: PHY spd limit set to 1.5Gbps
[ 34.946276][ T112] ata2.03: FORCE: PHY spd limit set to 1.5Gbps
[ 34.952346][ T112] ata2.04: FORCE: PHY spd limit set to 1.5Gbps
[ 34.958446][ T112] ata2.05: FORCE: PHY spd limit set to 1.5Gbps
[ 34.964539][ T112] ata2.06: FORCE: PHY spd limit set to 1.5Gbps
[ 34.970609][ T112] ata2.07: FORCE: PHY spd limit set to 1.5Gbps
[ 34.976785][ T112] ata2.00: hard resetting link
[ 34.981430][ T112] hardreset, Online=>Offline
[ 34.981466][ T112] Reconfig spd
[ 34.987235][ T112] resume, do loop
[ 35.212851][ T112] resume, after do loop
[ 35.221492][ T112] debounce, SCR=0x123
[ 35.230644][ T112] debounce, SCR=0x123
[ 35.239620][ T112] debounce, SCR=0x123
[ 35.248595][ T112] debounce, SCR=0x123
[ 35.257553][ T112] debounce, SCR=0x123
[ 35.266511][ T112] debounce, SCR=0x123
[ 35.275470][ T112] debounce, SCR=0x123
[ 35.284427][ T112] debounce, SCR=0x123
[ 35.293385][ T112] debounce, SCR=0x123
[ 35.302342][ T112] debounce, SCR=0x123
[ 35.311317][ T112] debounce, SCR=0x123
[ 35.320294][ T112] debounce, SCR=0x123
[ 35.324232][ T112] resume, return at end of function
[ 35.328121][ T112] hardreset, Offline=>Online
[ 35.337681][ T112] hardreset, after check_ready
[ 35.337896][ T112] ata2.00: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[ 35.349762][ T112] ata2.01: hard resetting link ^
[ 35.354440][ T112] hardreset, Online=>Offline |
[ 35.354477][ T112] Reconfig spd |
[ 35.360222][ T112] resume, do loop |
[ 35.592850][ T112] resume, after do loop WHY?
[ 35.601489][ T112] debounce, SCR=0x123
[ 35.610638][ T112] debounce, SCR=0x123
[ 35.619614][ T112] debounce, SCR=0x123
[ 35.628590][ T112] debounce, SCR=0x123
[ 35.637546][ T112] debounce, SCR=0x123
[ 35.646505][ T112] debounce, SCR=0x123
[ 35.655462][ T112] debounce, SCR=0x123
[ 35.664419][ T112] debounce, SCR=0x123
[ 35.673376][ T112] debounce, SCR=0x123
[ 35.682333][ T112] debounce, SCR=0x123
[ 35.691308][ T112] debounce, SCR=0x123
[ 35.700286][ T112] debounce, SCR=0x123
[ 35.704222][ T112] resume, return at end of function
[ 35.708109][ T112] hardreset, Offline=>Online
[ 35.717668][ T112] hardreset, after check_ready
[ 35.717882][ T112] ata2.01: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[ 35.729745][ T112] ata2.02: hard resetting link
[ 35.734408][ T112] hardreset, Online=>Offline
[ 35.734445][ T112] Reconfig spd
[ 35.740187][ T112] resume, do loop
[ 35.972849][ T112] resume, after do loop
[ 35.981488][ T112] debounce, SCR=0x0
[ 35.990638][ T112] debounce, SCR=0x0
[ 35.999438][ T112] debounce, SCR=0x0
[ 36.008238][ T112] debounce, SCR=0x0
[ 36.017020][ T112] debounce, SCR=0x0
[ 36.025803][ T112] debounce, SCR=0x0
[ 36.034586][ T112] debounce, SCR=0x0
[ 36.043368][ T112] debounce, SCR=0x0
[ 36.052150][ T112] debounce, SCR=0x0
[ 36.060951][ T112] debounce, SCR=0x0
[ 36.069751][ T112] debounce, SCR=0x0
[ 36.078570][ T112] debounce, SCR=0x0
[ 36.087354][ T112] debounce, SCR=0x0
[ 36.091097][ T112] resume, return at end of function
[ 36.094830][ T112] hardreset, ata_phys_link_offline check failed
[ 36.100117][ T112] ata2.02: SATA link down (SStatus 0 SControl 300)
[ 36.112710][ T112] ata2.03: hard resetting link
[ 36.117371][ T112] hardreset, Online=>Offline
[ 36.117407][ T112] Reconfig spd
[ 36.123152][ T112] resume, do loop
[ 36.352850][ T112] resume, after do loop
[ 36.361489][ T112] debounce, SCR=0x0
[ 36.370639][ T112] debounce, SCR=0x0
[ 36.379440][ T112] debounce, SCR=0x0
[ 36.388241][ T112] debounce, SCR=0x0
[ 36.397023][ T112] debounce, SCR=0x0
[ 36.405806][ T112] debounce, SCR=0x0
[ 36.414589][ T112] debounce, SCR=0x0
[ 36.423372][ T112] debounce, SCR=0x0
[ 36.432154][ T112] debounce, SCR=0x0
[ 36.440954][ T112] debounce, SCR=0x0
[ 36.449755][ T112] debounce, SCR=0x0
[ 36.458556][ T112] debounce, SCR=0x0
[ 36.467339][ T112] debounce, SCR=0x0
[ 36.471083][ T112] resume, return at end of function
[ 36.474816][ T112] hardreset, ata_phys_link_offline check failed
[ 36.480102][ T112] ata2.03: SATA link down (SStatus 0 SControl 300)
[ 36.492694][ T112] ata2.04: hard resetting link
[ 36.497357][ T112] hardreset, Online=>Offline
[ 36.497393][ T112] Reconfig spd
[ 36.503138][ T112] resume, do loop
[ 36.732849][ T112] resume, after do loop
[ 36.741487][ T112] debounce, SCR=0x0
[ 36.750637][ T112] debounce, SCR=0x0
[ 36.759438][ T112] debounce, SCR=0x0
[ 36.768238][ T112] debounce, SCR=0x0
[ 36.777022][ T112] debounce, SCR=0x0
[ 36.785805][ T112] debounce, SCR=0x0
[ 36.794588][ T112] debounce, SCR=0x0
[ 36.803370][ T112] debounce, SCR=0x0
[ 36.812152][ T112] debounce, SCR=0x0
[ 36.820952][ T112] debounce, SCR=0x0
[ 36.829752][ T112] debounce, SCR=0x0
[ 36.838554][ T112] debounce, SCR=0x0
[ 36.847337][ T112] debounce, SCR=0x0
[ 36.851081][ T112] resume, return at end of function
[ 36.854813][ T112] hardreset, ata_phys_link_offline check failed
[ 36.860099][ T112] ata2.04: SATA link down (SStatus 0 SControl 300)
[ 36.872692][ T112] ata2.05: hard resetting link
[ 36.877353][ T112] hardreset, Online=>Offline
[ 36.877390][ T112] Reconfig spd
[ 36.883134][ T112] resume, do loop
[ 37.112853][ T112] resume, after do loop
[ 37.121495][ T112] debounce, SCR=0x0
[ 37.130645][ T112] debounce, SCR=0x0
[ 37.139446][ T112] debounce, SCR=0x0
[ 37.148246][ T112] debounce, SCR=0x0
[ 37.157029][ T112] debounce, SCR=0x0
[ 37.165812][ T112] debounce, SCR=0x0
[ 37.174595][ T112] debounce, SCR=0x0
[ 37.183377][ T112] debounce, SCR=0x0
[ 37.192159][ T112] debounce, SCR=0x0
[ 37.200960][ T112] debounce, SCR=0x0
[ 37.209760][ T112] debounce, SCR=0x0
[ 37.218562][ T112] debounce, SCR=0x0
[ 37.227345][ T112] debounce, SCR=0x0
[ 37.231088][ T112] resume, return at end of function
[ 37.234820][ T112] hardreset, ata_phys_link_offline check failed
[ 37.240107][ T112] ata2.05: SATA link down (SStatus 0 SControl 300)
[ 37.252700][ T112] ata2.06: hard resetting link
[ 37.257361][ T112] hardreset, Online=>Offline
[ 37.257398][ T112] Reconfig spd
[ 37.263142][ T112] resume, do loop
[ 37.492850][ T112] resume, after do loop
[ 37.501489][ T112] debounce, SCR=0x0
[ 37.510639][ T112] debounce, SCR=0x0
[ 37.519439][ T112] debounce, SCR=0x0
[ 37.528240][ T112] debounce, SCR=0x0
[ 37.537023][ T112] debounce, SCR=0x0
[ 37.545806][ T112] debounce, SCR=0x0
[ 37.554588][ T112] debounce, SCR=0x0
[ 37.563371][ T112] debounce, SCR=0x0
[ 37.572154][ T112] debounce, SCR=0x0
[ 37.580955][ T112] debounce, SCR=0x0
[ 37.589755][ T112] debounce, SCR=0x0
[ 37.598557][ T112] debounce, SCR=0x0
[ 37.607339][ T112] debounce, SCR=0x0
[ 37.611082][ T112] resume, return at end of function
[ 37.614814][ T112] hardreset, ata_phys_link_offline check failed
[ 37.620099][ T112] ata2.06: SATA link down (SStatus 0 SControl 300)
[ 37.632690][ T112] ata2.07: hard resetting link
[ 37.637353][ T112] hardreset, Online=>Offline
[ 37.637388][ T112] Reconfig spd
[ 37.643133][ T112] resume, do loop
[ 37.872850][ T112] resume, after do loop
[ 37.881488][ T112] debounce, SCR=0x0
[ 37.890637][ T112] debounce, SCR=0x0
[ 37.899438][ T112] debounce, SCR=0x0
[ 37.908239][ T112] debounce, SCR=0x0
[ 37.917021][ T112] debounce, SCR=0x0
[ 37.925804][ T112] debounce, SCR=0x0
[ 37.934587][ T112] debounce, SCR=0x0
[ 37.943370][ T112] debounce, SCR=0x0
[ 37.952152][ T112] debounce, SCR=0x0
[ 37.960952][ T112] debounce, SCR=0x0
[ 37.969752][ T112] debounce, SCR=0x0
[ 37.978555][ T112] debounce, SCR=0x0
[ 37.987338][ T112] debounce, SCR=0x0
[ 37.991082][ T112] resume, return at end of function
[ 37.994814][ T112] hardreset, ata_phys_link_offline check failed
[ 38.000100][ T112] ata2.07: SATA link down (SStatus 0 SControl 300)
[ 38.012779][ T112] ata2.00: ATA-6: WDC WD50ARC-5040-VOL#01, 0100 AX, max UDMA/133
[ 38.020410][ T112] ata2.00: 976773168 sectors, multi 0: LBA48
[ 38.026514][ T112] ata2.00: configured for UDMA/133
[ 38.031581][ T112] ata2.01: ATA-6: Areca Archive, 0100 AX, max UDMA/133
[ 38.038512][ T112] ata2.01: 23437498368 sectors, multi 0: LBA48
[ 38.044787][ T112] ata2.01: configured for UDMA/133
[ 38.049919][ T112] ata2: EH complete
[ 38.054454][ T58] scsi 1:0:0:0: Direct-Access ATA WDC WD50ARC-5040 n/a PQ: 0 ANSI: 5
[ 38.064242][ T58] device: 'target1:0:0': device_add
[ 38.069370][ T58] bus: 'scsi': add device target1:0:0
[ 38.074767][ T58] device: '1:0:0:0': device_add
[ 38.079843][ T58] bus: 'scsi': add device 1:0:0:0
[ 38.084831][ T58] scsi 1:0:0:0: scheduling asynchronous probe
[ 38.090835][ T58] device: '1:0:0:0': device_add
[ 38.090848][ T117] bus: 'scsi': __driver_probe_device: matched device 1:0:0:0 with driver sd
[ 38.095746][ T58] device: '1:0:0:0': device_add
[ 38.104210][ T117] bus: 'scsi': really_probe: probing driver sd with device 1:0:0:0
[ 38.117256][ T117] sd 1:0:0:0: no default pinctrl state
[ 38.122722][ T117] device: '1:0:0:0': device_add
[ 38.123554][ T58] scsi 1:1:0:0: Direct-Access ATA Areca Archive n/a PQ: 0 ANSI: 5
[ 38.127910][ T117] sd 1:0:0:0: [sdb] 976773168 512-byte logical blocks: (500 GB/466 GiB)
[ 38.137665][ T58] device: 'target1:1:0': device_add
[ 38.144920][ T117] sd 1:0:0:0: [sdb] Write Protect is off
[ 38.149702][ T58] bus: 'scsi': add device target1:1:0
[ 38.155226][ T117] sd 1:0:0:0: [sdb] Mode Sense: 00 3a 00 00
[ 38.160531][ T58] device: '1:1:0:0': device_add
[ 38.166371][ T117] sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support
DPO or FUA
[ 38.171768][ T58] bus: 'scsi': add device 1:1:0:0
[ 38.180968][ T117] sd 1:0:0:0: [sdb] Preferred minimum I/O size 512 bytes
[ 38.185759][ T58] scsi 1:1:0:0: scheduling asynchronous probe
[ 38.192625][ T117] device: 'sdb': device_add
[ 38.199208][ T58] device: '1:1:0:0': device_add
[ 38.203409][ T21] bus: 'scsi': __driver_probe_device: matched device 1:1:0:0 with driver sd
[ 38.208171][ T58] device: '1:1:0:0': device_add
[ 38.216301][ T21] bus: 'scsi': really_probe: probing driver sd with device 1:1:0:0
[ 38.228860][ T21] sd 1:1:0:0: no default pinctrl state
[ 38.234346][ T21] device: '1:1:0:0': device_add
[ 38.240819][ T117] device: '8:16': device_add
[ 38.247070][ T117] sd 1:0:0:0: [sdb] Attached SCSI removable disk
[ 38.253360][ T117] driver: 'sd': driver_bound: bound to device '1:0:0:0'
[ 38.260231][ T117] bus: 'scsi': really_probe: bound device 1:0:0:0 to driver sd
[ 38.262841][ T21] sd 1:1:0:0: [sdc] 23437498368 512-byte logical blocks: (12.0 TB/10.9 TiB)
[ 38.267709][ T117] sd 1:0:0:0: async probe completed
[ 38.276356][ T21] sd 1:1:0:0: [sdc] Write Protect is off
[ 38.286864][ T21] sd 1:1:0:0: [sdc] Mode Sense: 00 3a 00 00
[ 38.292945][ T21] sd 1:1:0:0: [sdc] Write cache: enabled, read cache: enabled, doesn't support DPO
or FUA
[ 38.303020][ T21] sd 1:1:0:0: [sdc] Preferred minimum I/O size 512 bytes
[ 38.309950][ T21] device: 'sdc': device_add
[ 38.316143][ T21] device: '8:32': device_add
[ 38.322104][ T21] sd 1:1:0:0: [sdc] Attached SCSI removable disk
[ 38.328368][ T21] driver: 'sd': driver_bound: bound to device '1:1:0:0'
[ 38.335279][ T21] bus: 'scsi': really_probe: bound device 1:1:0:0 to driver sd
[ 38.342721][ T21] sd 1:1:0:0: async probe completed

Note that the kernel command doesn't seem to actually limit the speed.
I looked in /sys too, and it matches kernel log:

/sys/devices/platform/soc/soc:internal-regs/f10a8000.sata # find -type f -name *spd* -print -exec cat {} \;
./ata1/link1/dev1.0/ata_device/dev1.0/spdn_cnt
0
./ata1/link1/ata_link/link1/sata_spd_limit
<unknown>
./ata1/link1/ata_link/link1/hw_sata_spd_limit
<unknown>
./ata1/link1/ata_link/link1/sata_spd
<unknown>
./ata2/link2.2/dev2.2.0/ata_device/dev2.2.0/spdn_cnt
0
./ata2/link2.2/ata_link/link2.2/sata_spd_limit
1.5 Gbps
./ata2/link2.2/ata_link/link2.2/hw_sata_spd_limit
1.5 Gbps
./ata2/link2.2/ata_link/link2.2/sata_spd
<unknown>
./ata2/link2.12/dev2.12.0/ata_device/dev2.12.0/spdn_cnt
0
./ata2/link2.12/ata_link/link2.12/sata_spd_limit
<unknown>
./ata2/link2.12/ata_link/link2.12/hw_sata_spd_limit
<unknown>
./ata2/link2.12/ata_link/link2.12/sata_spd
<unknown>
./ata2/link2.0/dev2.0.0/ata_device/dev2.0.0/spdn_cnt
0
./ata2/link2.0/ata_link/link2.0/sata_spd_limit
1.5 Gbps
./ata2/link2.0/ata_link/link2.0/hw_sata_spd_limit
1.5 Gbps
./ata2/link2.0/ata_link/link2.0/sata_spd
3.0 Gbps
./ata2/link2.10/dev2.10.0/ata_device/dev2.10.0/spdn_cnt
0
./ata2/link2.10/ata_link/link2.10/sata_spd_limit
<unknown>
./ata2/link2.10/ata_link/link2.10/hw_sata_spd_limit
<unknown>
./ata2/link2.10/ata_link/link2.10/sata_spd
<unknown>
./ata2/link2.9/ata_link/link2.9/sata_spd_limit
<unknown>
./ata2/link2.9/ata_link/link2.9/hw_sata_spd_limit
<unknown>
./ata2/link2.9/ata_link/link2.9/sata_spd
<unknown>
./ata2/link2.9/dev2.9.0/ata_device/dev2.9.0/spdn_cnt
0
./ata2/link2.7/dev2.7.0/ata_device/dev2.7.0/spdn_cnt
0
./ata2/link2.7/ata_link/link2.7/sata_spd_limit
1.5 Gbps
./ata2/link2.7/ata_link/link2.7/hw_sata_spd_limit
1.5 Gbps
./ata2/link2.7/ata_link/link2.7/sata_spd
<unknown>
./ata2/link2.5/dev2.5.0/ata_device/dev2.5.0/spdn_cnt
0
./ata2/link2.5/ata_link/link2.5/sata_spd_limit
1.5 Gbps
./ata2/link2.5/ata_link/link2.5/hw_sata_spd_limit
1.5 Gbps
./ata2/link2.5/ata_link/link2.5/sata_spd
<unknown>
./ata2/link2.3/dev2.3.0/ata_device/dev2.3.0/spdn_cnt
0
./ata2/link2.3/ata_link/link2.3/sata_spd_limit
1.5 Gbps
./ata2/link2.3/ata_link/link2.3/hw_sata_spd_limit
1.5 Gbps
./ata2/link2.3/ata_link/link2.3/sata_spd
<unknown>
./ata2/link2.13/dev2.13.0/ata_device/dev2.13.0/spdn_cnt
0
./ata2/link2.13/ata_link/link2.13/sata_spd_limit
<unknown>
./ata2/link2.13/ata_link/link2.13/hw_sata_spd_limit
<unknown>
./ata2/link2.13/ata_link/link2.13/sata_spd
<unknown>
./ata2/link2.1/dev2.1.0/ata_device/dev2.1.0/spdn_cnt
0
./ata2/link2.1/ata_link/link2.1/sata_spd_limit
1.5 Gbps
./ata2/link2.1/ata_link/link2.1/hw_sata_spd_limit
1.5 Gbps
./ata2/link2.1/ata_link/link2.1/sata_spd
3.0 Gbps
./ata2/link2/dev2.0/ata_device/dev2.0/spdn_cnt
0
./ata2/link2/ata_link/link2/sata_spd_limit
1.5 Gbps
./ata2/link2/ata_link/link2/hw_sata_spd_limit
1.5 Gbps
./ata2/link2/ata_link/link2/sata_spd
1.5 Gbps
./ata2/link2.11/ata_link/link2.11/sata_spd_limit
<unknown>
./ata2/link2.11/ata_link/link2.11/hw_sata_spd_limit
<unknown>
./ata2/link2.11/ata_link/link2.11/sata_spd
<unknown>
./ata2/link2.11/dev2.11.0/ata_device/dev2.11.0/spdn_cnt
0
./ata2/link2.8/dev2.8.0/ata_device/dev2.8.0/spdn_cnt
0
./ata2/link2.8/ata_link/link2.8/sata_spd_limit
<unknown>
./ata2/link2.8/ata_link/link2.8/hw_sata_spd_limit
<unknown>
./ata2/link2.8/ata_link/link2.8/sata_spd
<unknown>
./ata2/link2.6/ata_link/link2.6/sata_spd_limit
1.5 Gbps
./ata2/link2.6/ata_link/link2.6/hw_sata_spd_limit
1.5 Gbps
./ata2/link2.6/ata_link/link2.6/sata_spd
<unknown>
./ata2/link2.6/dev2.6.0/ata_device/dev2.6.0/spdn_cnt
0
./ata2/link2.4/dev2.4.0/ata_device/dev2.4.0/spdn_cnt
0
./ata2/link2.4/ata_link/link2.4/sata_spd_limit
1.5 Gbps
./ata2/link2.4/ata_link/link2.4/hw_sata_spd_limit
1.5 Gbps
./ata2/link2.4/ata_link/link2.4/sata_spd
<unknown>
./ata2/link2.14/ata_link/link2.14/sata_spd_limit
<unknown>
./ata2/link2.14/ata_link/link2.14/hw_sata_spd_limit
<unknown>
./ata2/link2.14/ata_link/link2.14/sata_spd
<unknown>
./ata2/link2.14/dev2.14.0/ata_device/dev2.14.0/spdn_cnt
0

Marius Dinu