On 2023/01/25 22:23, Hajo Noerenberg wrote: > > Bug report for Seagate Blackarmor NAS440 with Marvel 88SE6121 controller (AHCI kernel module): Very old SATA-1 HDDs (mostly laptop HDDs in my tests) work flawlessly, SATA-2/3 consistently fail. Limiting SATA speed (libata.force=1.5G ...) does not help. > > Interestingly, SATA-2/3 HDDs do work with U-Boot and 'ancient' 3.x kernels. There was a suspicion that it was the PCI subsystem (the change in kernel 3.16 from kirkwood/pci.c to mvebu-pci). Pali Rohár did a great job to investigate this problem very persistently, but in the end we did not find a solution. > > Without knowing anything about this area, there was the assumption that the problem must be at one of the lower levels close to the hardware. > > During some older tests with kernel 5.x I tried to re-integrate a modification from the Seagate vendor 2.6 kernel annotated there with "set 6121 Transmitter Pre-Emphasis to 4", but this did not change anything (but it may be that I didn't do it right). > > You can find all the details and a lot of logs in Bug https://bugzilla.kernel.org/show_bug.cgi?id=216094 > > Please find [1] U-Boot and [2] Kernel (vanilla 6.2.0-rc5) logs attached, with: > 88SE6121-port0 is a SATA-2 ST3500418AS (works with u-boot, fails with linux kernel >3.16) > 88SE6121-port1 is a SATA-1 ST3250310NS (always works) > 88SE6121-port2 is (unused / not wired) PATA > (during my tests I tried other SATA-1/2/3 drives to rule out a problem with a specific drive or vendor) > > I've been trying to resurrect my NAS440 for over 10 years with all the components (https://github.com/hn/seagate-blackarmor-nas), so I have the hardware available and am happy to persevere to try things or otherwise help. > > Hajo > > > [1] U-Boot Log > > nas440> version > U-Boot 2022.04 (Apr 11 2022 - 15:58:53 +0200) > NAS 440 > nas440> pci enum > pcie0.0: Link up > nas440> scsi reset > > Reset SCSI > scanning bus for devices... > Target spinup took 0 ms. > Target spinup took 0 ms. > SATA link 2 timeout. > AHCI 0001.0000 32 slots 3 ports 3 Gbps 0x7 impl SATA mode > flags: 64bit ncq stag led pmp slum part > Device 0: (0:0) Vendor: ATA Prod.: ST3500418AS Rev: CC38 > Type: Hard Disk > Capacity: 476940.0 MB = 465.7 GB (976773168 x 512) > Device 1: (1:0) Vendor: ATA Prod.: ST3250310NS Rev: SN04 > Type: Hard Disk > Capacity: 238475.1 MB = 232.8 GB (488397168 x 512) > nas440> scsi part 0 > > Partition Map for SCSI device 0 -- Partition Type: DOS > > Part Start Sector Num Sectors UUID Type > 1 2048 209715200 cba79dc0-01 83 > 2 209717248 767055920 cba79dc0-02 eb > nas440> ext2ls scsi 0:1 > <DIR> 4096 . > <DIR> 4096 .. > <DIR> 16384 lost+found > 568888832 foo > > > [2] U-Boot Log > > root@nas440:~# uname -a > Linux nas440 6.2.0-rc5 #1 Tue Jan 24 23:41:07 CET 2023 armv5tel GNU/Linux > root@nas440:~# modprobe pci-mvebu > > [ 208.588347] mvebu-pcie mbus@f1000000:pcie@82000000: host bridge /mbus@f1000000/pcie@82000000 ranges: > [ 208.597651] mvebu-pcie mbus@f1000000:pcie@82000000: MEM 0x00f1040000..0x00f1041fff -> 0x0000040000 > [ 208.611351] mvebu-pcie mbus@f1000000:pcie@82000000: MEM 0xffffffffffffffff..0x00fffffffe -> 0x0100000000 > [ 208.621380] mvebu-pcie mbus@f1000000:pcie@82000000: IO 0xffffffffffffffff..0x00fffffffe -> 0x0100000000 > [ 208.641381] mvebu-pcie mbus@f1000000:pcie@82000000: pcie0.0: legacy INTx interrupts cannot be masked individually, /mbus@f1000000/pcie@82000000/pcie@1,0 does not contain intx interrupt > [ 208.667286] mvebu-pcie mbus@f1000000:pcie@82000000: PCI host bridge to bus 0000:00 > [ 208.684189] pci_bus 0000:00: root bus resource [bus 00-ff] > [ 208.689802] pci_bus 0000:00: root bus resource [mem 0xf1040000-0xf1041fff] (bus address [0x00040000-0x00041fff]) > [ 208.705363] pci_bus 0000:00: root bus resource [mem 0xe0000000-0xefffffff] > [ 208.712352] pci_bus 0000:00: root bus resource [io 0x1000-0xeffff] > [ 208.723392] pci 0000:00:01.0: [11ab:6281] type 01 class 0x060400 > [ 208.739782] PCI: bus0: Fast back to back transfers disabled > [ 208.745470] pci 0000:00:01.0: bridge configuration invalid ([bus 00-00]), reconfiguring > [ 208.766397] pci 0000:01:00.0: [11ab:6121] type 00 class 0x01018f > [ 208.772921] pci 0000:01:00.0: reg 0x10: [io 0xc0000000-0xc0000007] > [ 208.779272] pci 0000:01:00.0: reg 0x14: [io 0xc0000008-0xc000000b] > [ 208.785607] pci 0000:01:00.0: reg 0x18: [io 0xc0000010-0xc0000017] > [ 208.791937] pci 0000:01:00.0: reg 0x1c: [io 0xc0000018-0xc000001b] > [ 208.798267] pci 0000:01:00.0: reg 0x20: [io 0xc0000020-0xc000002f] > [ 208.804598] pci 0000:01:00.0: reg 0x24: [mem 0x90000000-0x900003ff] > [ 208.818936] pci 0000:01:00.0: supports D1 > [ 208.823276] pci 0000:01:00.0: PME# supported from D0 D1 D3hot > [ 208.840601] PCI: bus1: Fast back to back transfers disabled > [ 208.846297] pci_bus 0000:01: busn_res: [bus 01-ff] end is updated to 01 > [ 208.879294] pci 0000:00:01.0: BAR 8: assigned [mem 0xe0000000-0xe00fffff] > [ 208.886183] pci 0000:00:01.0: BAR 7: assigned [io 0x10000-0x10fff] > [ 208.901547] pci 0000:01:00.0: BAR 5: assigned [mem 0xe0000000-0xe00003ff] > [ 208.908459] pci 0000:01:00.0: BAR 4: assigned [io 0x10000-0x1000f] > [ 208.914896] pci 0000:01:00.0: BAR 0: assigned [io 0x10010-0x10017] > [ 208.921238] pci 0000:01:00.0: BAR 2: assigned [io 0x10018-0x1001f] > [ 208.927576] pci 0000:01:00.0: BAR 1: assigned [io 0x10020-0x10023] > [ 208.933905] pci 0000:01:00.0: BAR 3: assigned [io 0x10024-0x10027] > [ 208.940240] pci 0000:00:01.0: PCI bridge to [bus 01] > [ 208.945257] pci 0000:00:01.0: bridge window [io 0x10000-0x10fff] > [ 208.951596] pci 0000:00:01.0: bridge window [mem 0xe0000000-0xe00fffff] > [ 208.992175] pcieport 0000:00:01.0: enabling device (0140 -> 0143) > [ 209.007014] ahci 0000:01:00.0: Disabling your PATA port. Use the boot option 'ahci.marvell_enable=0' to avoid this. See drivers/ata/ahci.c: /* The AHCI driver can only drive the SATA ports, the PATA driver can drive them all so if both drivers are selected make sure AHCI stays out of the way */ Can you try the pata driver instead: pata_marvell (CONFIG_PATA_MARVELL). > [ 209.017595] ahci 0000:01:00.0: controller can't do NCQ, turning off CAP_NCQ > [ 209.024616] ahci 0000:01:00.0: controller can't do PMP, turning off CAP_PMP > [ 209.031635] ahci 0000:01:00.0: masking port_map 0x7 -> 0x3 > [ 209.067304] ahci 0000:01:00.0: SSS flag set, parallel bus scan disabled > [ 209.074078] ahci 0000:01:00.0: AHCI 0001.0000 32 slots 3 ports 3 Gbps 0x3 impl IDE mode > [ 209.082187] ahci 0000:01:00.0: flags: 64bit stag led slum part > [ 209.107629] scsi host3: ahci > [ 209.117716] scsi host4: ahci > [ 209.131433] scsi host5: ahci > [ 209.134706] ata3: SATA max UDMA/133 abar m1024@0xe0000000 port 0xe0000100 irq 39 > [ 209.142214] ata4: SATA max UDMA/133 abar m1024@0xe0000000 port 0xe0000180 irq 39 > [ 209.149676] ata5: DUMMY > [ 209.469562] ata3: SATA link up 3.0 Gbps (SStatus 123 SControl 300) > [ 214.631228] ata3.00: qc timeout after 5000 msecs (cmd 0xec) > [ 214.636919] ata3.00: failed to IDENTIFY (I/O error, err_mask=0x4) > [ 214.957579] ata3: SATA link up 3.0 Gbps (SStatus 123 SControl 300) > [ 225.127261] ata3.00: qc timeout after 10000 msecs (cmd 0xec) > [ 225.133030] ata3.00: failed to IDENTIFY (I/O error, err_mask=0x4) > [ 225.139184] ata3: limiting SATA link speed to 1.5 Gbps > [ 225.457616] ata3: SATA link up 1.5 Gbps (SStatus 113 SControl 310) > [ 257.127404] ata3.00: qc timeout after 30000 msecs (cmd 0xec) > [ 257.133181] ata3.00: failed to IDENTIFY (I/O error, err_mask=0x4) > [ 257.453758] ata3: SATA link up 1.5 Gbps (SStatus 113 SControl 310) > [ 257.773761] ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 300) > [ 257.781254] ata4.00: ATA-6: ST3250310NS, SN04, max UDMA/133 > [ 257.786916] ata4.00: 488397168 sectors, multi 0: LBA48 NCQ (depth 0/32) > [ 257.796826] ata4.00: configured for UDMA/133 > [ 257.801537] scsi 4:0:0:0: Direct-Access ATA ST3250310NS SN04 PQ: 0 ANSI: 5 Is this a SATA-1 drive (max 1.5gbps) ? port 3 does not work, but port 4 does... Can you try swapping the drives connected to see if you end up with ata3 working but not ata4 ? > [ 257.820228] sd 4:0:0:0: [sdd] 488397168 512-byte logical blocks: (250 GB/233 GiB) > [ 257.828149] sd 4:0:0:0: Attached scsi generic sg3 type 0 > [ 257.843562] sd 4:0:0:0: [sdd] Write Protect is off > [ 257.859628] sd 4:0:0:0: [sdd] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA > [ 257.879625] sd 4:0:0:0: [sdd] Preferred minimum I/O size 512 bytes > [ 257.918058] sdd: sdd1 sdd2 > [ 257.920294] sd 4:0:0:0: [sdd] Attached SCSI disk > -- Damien Le Moal Western Digital Research
