Sometimes no power to SATA PCIe controller
#1
I'm hoping someone can help with a problem I have with a new NAS build using OMV.

I have a RockPro 64, Pine64 NAS case, two ST8000DM004-2CX1 drives, 16 GB eMMC boot, Pine 5A supply. I am running Open Media Vault stretch-openmediavault-rockpro64-0.7.9-1067-armhf.img.xz (Linux rockpro64 4.4.132-1075-rockchip-ayufan-ga83beded8524 #1 SMP Thu Jul 26 08:22:22 UTC 2018 aarch64 GNU/Linux) with all updates listed in OMV applied.

Sometimes during boot, the SATA PCI board does not get power and thus OMV sees no data drives. I have confirmed with a DVM there is no 12VCC on the SATA controller chip pin 48 when this happens. About half the time it boots up correctly and OMV seems to work OK. I get ~100 MB/s over gigabit Ethernet from a PC to the NAS, so the performance is good.  I have checked the +12V input to the RockPro64 and it ramps up monotonically when the power supply is connected, and only sags to 11.8V while the drives are spinning up.

When it's working, lspci -vvv says:

00:00.0 PCI bridge: Device 1d87:0100 (prog-if 00 [Normal decode])
    Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
    Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort+ <TAbort+ <MAbort+ >SERR+ <PERR+ INTx-
    Latency: 0
    Interrupt: pin A routed to IRQ 238
    Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
    I/O behind bridge: 00000000-00000fff
    Memory behind bridge: fa000000-fa0fffff
    Prefetchable memory behind bridge: 00000000-000fffff
    Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
    BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
        PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
    Capabilities: [80] Power Management version 3
        Flags: PMEClk- DSI- D1+ D2- AuxCurrent=0mA PME(D0+,D1+,D2-,D3hot+,D3cold-)
        Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME+
    Capabilities: [90] MSI: Enable+ Count=1/1 Maskable+ 64bit+
        Address: 00000000fee30040  Data: 0000
        Masking: 00000000  Pending: 00000000
    Capabilities: [b0] MSI-X: Enable- Count=1 Masked-
        Vector table: BAR=0 offset=00000000
        PBA: BAR=0 offset=00000008
    Capabilities: [c0] Express (v2) Root Port (Slot+), MSI 00
        DevCap:    MaxPayload 256 bytes, PhantFunc 0
            ExtTag- RBE+
        DevCtl:    Report errors: Correctable+ Non-Fatal+ Fatal+ Unsupported+
            RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
            MaxPayload 128 bytes, MaxReadReq 512 bytes
        DevSta:    CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr- TransPend-
        LnkCap:    Port #0, Speed 5GT/s, Width x4, ASPM L1, Exit Latency L0s <256ns, L1 <8us
            ClockPM- Surprise- LLActRep- BwNot+ ASPMOptComp+
        LnkCtl:    ASPM Disabled; RCB 64 bytes Disabled- CommClk-
            ExtSynch- ClockPM- AutWidDis- BWInt+ AutBWInt+
        LnkSta:    Speed 5GT/s, Width x1, TrErr- Train- SlotClk- DLActive- BWMgmt- ABWMgmt-
        SltCap:    AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug- Surprise-
            Slot #0, PowerLimit 0.000W; Interlock- NoCompl-
        SltCtl:    Enable: AttnBtn- PwrFlt- MRL- PresDet- CmdCplt- HPIrq- LinkChg-
            Control: AttnInd Off, PwrInd Off, Power+ Interlock-
        SltSta:    Status: AttnBtn- PowerFlt- MRL+ CmdCplt- PresDet- Interlock-
            Changed: MRL- PresDet- LinkState-
        RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna+ CRSVisible-
        RootCap: CRSVisible-
        RootSta: PME ReqID 0000, PMEStatus- PMEPending-
        DevCap2: Completion Timeout: Range B, TimeoutDis+, LTR+, OBFF Via message ARIFwd+
        DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-, LTR-, OBFF Disabled ARIFwd-
        LnkCtl2: Target Link Speed: 5GT/s, EnterCompliance- SpeedDis-
             Transmit Margin: Normal Operating Range, EnterModifiedCompliance- ComplianceSOS-
             Compliance De-emphasis: -6dB
        LnkSta2: Current De-emphasis Level: -6dB, EqualizationComplete-, EqualizationPhase1-
             EqualizationPhase2-, EqualizationPhase3-, LinkEqualizationRequest-
    Capabilities: [100 v2] Advanced Error Reporting
        UESta:    DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
        UEMsk:    DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
        UESvrt:    DLP+ SDES+ TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt- RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol-
        CESta:    RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr-
        CEMsk:    RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+
        AERCap:    First Error Pointer: 00, GenCap+ CGenEn- ChkCap+ ChkEn-
    Capabilities: [274 v1] Transaction Processing Hints
        Interrupt vector mode supported
        Device specific mode supported
        Steering table in TPH capability structure
    Kernel driver in use: pcieport

01:00.0 SATA controller: ASMedia Technology Inc. ASM1062 Serial ATA Controller (rev 01) (prog-if 01 [AHCI 1.0])
    Subsystem: ASMedia Technology Inc. ASM1062 Serial ATA Controller
    Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
    Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
    Latency: 0
    Interrupt: pin A routed to IRQ 239
    Region 0: I/O ports at <unassigned> [disabled]
    Region 1: I/O ports at <unassigned> [disabled]
    Region 2: I/O ports at <unassigned> [disabled]
    Region 3: I/O ports at <unassigned> [disabled]
    Region 4: I/O ports at <unassigned> [disabled]
    Region 5: Memory at fa010000 (32-bit, non-prefetchable) [size=512]
    [virtual] Expansion ROM at fa000000 [disabled] [size=64K]
    Capabilities: [50] MSI: Enable+ Count=1/1 Maskable- 64bit-
        Address: fee30040  Data: 0000
    Capabilities: [78] Power Management version 3
        Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
        Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
    Capabilities: [80] Express (v2) Legacy Endpoint, MSI 00
        DevCap:    MaxPayload 512 bytes, PhantFunc 0, Latency L0s <1us, L1 <8us
            ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset-
        DevCtl:    Report errors: Correctable- Non-Fatal- Fatal- Unsupported-
            RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
            MaxPayload 128 bytes, MaxReadReq 512 bytes
        DevSta:    CorrErr+ UncorrErr- FatalErr- UnsuppReq- AuxPwr- TransPend-
        LnkCap:    Port #1, Speed 5GT/s, Width x1, ASPM not supported, Exit Latency L0s <512ns, L1 <2us
            ClockPM- Surprise- LLActRep- BwNot- ASPMOptComp-
        LnkCtl:    ASPM Disabled; RCB 64 bytes Disabled- CommClk-
            ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
        LnkSta:    Speed 5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
        DevCap2: Completion Timeout: Range ABC, TimeoutDis+, LTR-, OBFF Not Supported
        DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-, LTR-, OBFF Disabled
        LnkCtl2: Target Link Speed: 5GT/s, EnterCompliance- SpeedDis-
             Transmit Margin: Normal Operating Range, EnterModifiedCompliance- ComplianceSOS-
             Compliance De-emphasis: -6dB
        LnkSta2: Current De-emphasis Level: -6dB, EqualizationComplete-, EqualizationPhase1-
             EqualizationPhase2-, EqualizationPhase3-, LinkEqualizationRequest-
    Capabilities: [100 v1] Virtual Channel
        Caps:    LPEVC=0 RefClk=100ns PATEntryBits=1
        Arb:    Fixed- WRR32- WRR64- WRR128-
        Ctrl:    ArbSelect=Fixed
        Status:    InProgress-
        VC0:    Caps:    PATOffset=00 MaxTimeSlots=1 RejSnoopTrans-
            Arb:    Fixed- WRR32- WRR64- WRR128- TWRR128- WRR256-
            Ctrl:    Enable+ ID=0 ArbSelect=Fixed TC/VC=ff
            Status:    NegoPending- InProgress-
    Kernel driver in use: ahci

When it's not working lspci -vvv says nothing.

Looking at dmesg in both cases, I see suspicious entries about power configuration, but they are the same in both the working and no PCI power case:



    0.502678] reg-fixed-voltage vcc3v3-pcie-regulator: Looking up vin-supply from device tree
[    0.502716] vcc3v3_pcie: supplied by dc_12v
[    0.502740] dc_12v: could not add device link regulator.2 err -2
[    0.502781] vcc3v3_pcie: 3300 mV
[    0.502937] reg-fixed-voltage vcc3v3-pcie-regulator: vcc3v3_pcie supplying 3300000uV
[    0.502989] of_get_named_gpiod_flags: can't parse 'gpio' property of node '/vcc1v8-s0[0]'
[    0.503005] vcc1v8_s0: 1800 mV
[    0.503152] reg-fixed-voltage vcc1v8-s0: vcc1v8_s0 supplying 1800000uV

[    2.053627] vcc3v3_pcie: disabling


The key difference in the dmesg outputs is the one that has no PCI power says:

 rockchip-pcie f8000000.pcie: PCIe link training gen1 timeout!
 rockchip-pcie: probe of f8000000.pcie failed with error -110

The one that works has a long section of status messages that begins:

 PCI host bridge /pcie@f8000000 ranges:
   MEM 0xfa000000..0xfbdfffff -> 0xfa000000
    IO 0xfbe00000..0xfbefffff -> 0xfbe00000
 rockchip-pcie f8000000.pcie: PCI host bridge to bus 0000:00

This failure mode is easily observable during boot. If there is power to the SATA controller card, you can see it's LED blink through the case grille. If there is no power to the board, no LED of course.

Does anyone have any ideas about what I could do to troubleshoot this? I don't want a file server that only boots 1/2 the time.
#2
Hello,
I am not good enough at linux or hardware  and i no longer have a working asm 1062 card same revision but i just wanted to tell you that i had the same issue using the same image "Linux rockpro64 4.4.132-1075-rockchip-ayufan-ga83beded8524 " with ASM1062 not recognizing my hard drives. I found it to be reproducible by leaving the power off for over an hour or overnight and pluging in the dc charger in to power socket on the wall, this started drives spinning but sata card not communicating to them.
I purchased different sata and still testing if it resolves the issue but look at the post https://forum.pine64.org/showthread.php?tid=7538&page=4 created by me and look at some urls with pcie delay but not sure how to implement those or test.
#3
(06-09-2019, 06:07 PM)rble Wrote: Sometimes during boot, the SATA PCI board does not get power and thus OMV sees no data drives. I have confirmed with a DVM there is no 12VCC on the SATA controller chip pin 48 when this happens. About half the time it boots up correctly and OMV seems to work OK.

You meant 1.2V Vcc? Pine64 SATA apater doesn't use 12V voltage at all.
The controller is powered by "VCC3V3_PCIE" 3.3V voltage trough U7109 step-down converter which is controlled by PCIE_PWR signal from the processor, this is GPIO1_D0/TCPD_VBUS_SOURCE2_d signal at L26 CPU pin. The same pin also controls 12V PICe voltage but 12V is not used by SATA adapter card.
So the PCIe power is under the control of linux core. Usually, at hardware initialization stage, the core is enabling PCIe power and wait some time to let the PCIe hardware become in operation. If this time is too low, PCIE device may not perform PCIe links training. After unsuccessfull training the power of PCIe is disabled and you see no power on SATA controller.
Try to follow PCIe scan bus workaround + MPT3SAS module recommendations and increase the delay between power enable and PCIe scanning.
Also try to increase debug log level to generate more detailed log, may be as I wrote in this post: https://forum.pine64.org/showthread.php?...8#pid46778
#4
Interesting update  by a link from "Feature-complete Debian build - SDIO WiFi/BT / PCIe / 3D / 2D" Linux build topic:

Quote:Updated Debian Minimal Release

@Mrfixit2001 mrfixit2001 released this on May 16

UPDATE May 19, 2019 - Added RockPro64 Release - Includes same Updates as Rock64, plus:

    Suspend and Resume support is now included
    CDN-DP firmware loading fixed
    Additional PCIe driver fixes - Gen2 training now works
    Additional Intel PCIe drivers



The problem you're observing is exactly may be Gen2 training (because RK3399 supports Gen2 max). You need to try such an update somehow to test. These boards are development, not user-friendly and not completely customer use ready yet, many Linux updates needed to polish the operation.
#5
(06-15-2019, 12:14 PM)Nikolay_Po Wrote: . . .

The problem you're observing is exactly may be  Gen2 training (because RK3399 supports Gen2 max). You need to try such an update somehow to test. These boards are development, not user-friendly and not completely customer use ready yet, many Linux updates needed to polish the operation.

Sorry, I think my message was unclear: Correct, 1.2V not 12V. When the SATA board is not working, I see no voltage on pin 48 of the ASM1061 controller chip. Its datasheet says pin 48 is 1.25V Core Power. Looking in the data sheet further, I see the ASM1061 has an internal regulator to make the 1.25V. I actually measure 1.185V there when the controller board is working. It would have been better to probe the 3.3V input to the board, but pin 48 was an easy to probe corner pin.

The link you mention above, plus others that link to it, show other people have this same problem. Patching the kernel would be quite some work for me as I have not done that before.  I may have to wait until the update makes it into a build of OMV. Right now, the controller will come up for me about half the time and I have it on a UPS, so I may wait.

And yes, what you say is correct, this SBC shows lots of promise, but still has some rough edges.  Though, when it does power-up correctly, I have no complaints at all for use as a NAS.


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