From: Jinpu Wang <jinpu.wang@cloud.ionos.com>
To: ash@ai0.uk, Viswas G <Viswas.G@microchip.com>,
Ruksar.devadi@microchip.com
Cc: Linux SCSI Mailinglist <linux-scsi@vger.kernel.org>
Subject: Re: [REGRESSION] pm8001: Adaptec 6805H fails to initialize after v5.10.0
Date: Fri, 19 Mar 2021 12:30:27 +0100 [thread overview]
Message-ID: <CAMGffE=B9QRncb2UO3aCfbH9naYU6-pP_c6T3PuHNRKRpnkDJA@mail.gmail.com> (raw)
In-Reply-To: <009d01d71cb1$3fbd5200$bf37f600$@ai0.uk>
Hi Ash,
Thanks for reporting.
On Fri, Mar 19, 2021 at 12:16 PM <ash@ai0.uk> wrote:
>
> From kernel version 5.10 onwards, none of the drives attached to an Adaptec
> 6805H HBA appear.
>
> Building and installing the mainline kernel (5.12-rc3) does not fix the
> issue, neither does the latest longterm (5.10.24).
>
> 'dmesg | grep pm8' shows:
> [ 0.810874] pm80xx 0000:01:00.0: pm80xx: driver version 0.1.40
> [ 0.811542] pm80xx 0000:01:00.0: enabling device (0000 -> 0002)
> [ 0.812309] :: pm8001_pci_alloc 525:Setting link rate to default value
> [ 3.239584] pm80xx0:: pm8001_pci_probe 1112:chip_init failed [ret: -16]
> [ 3.262231] pm80xx: probe of 0000:01:00.0 failed with error -16
>
> A bisection reveals the issue appears with the commit show below, with this
> commit reverted, the drives attached to a 6805H appear once again.
>
> > commit 05c6c029a44d9f43715577e33e95eba87f44d285
> > Author: Viswas G <Viswas.G@microchip.com>
> > Date: Mon Oct 5 20:20:08 2020 +0530
> >
> > scsi: pm80xx: Increase number of supported queues
> >
> > Current driver uses fixed number of Inbound and Outbound queues and
> all of
> > the I/O, TMF and internal requests are submitted through those. A
> global
> > spin lock is used to control the shared access. This can create a lock
> > contention and it is real bottleneck in the I/O path.
> >
> > To avoid this, the number of supported Inbound and Outbound queues is
> > increased to 64, and the number of queues used is decided based on
> number
> > of CPU cores online and number of MSI-X vectors allocated. Also add
> locks
> > per queue instead of using the global lock.
> >
> > Link:
> https://lore.kernel.org/r/20201005145011.23674-2-Viswas.G@microchip.com.com
> > Acked-by: Jack Wang <jinpu.wang@cloud.ionos.com>
> > Signed-off-by: Viswas G <Viswas.G@microchip.com>
> > Signed-off-by: Ruksar Devadi <Ruksar.devadi@microchip.com>
> > Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
>
+cc Viswas and Ruksar.
Hi Viswas, hi Ruksar,
Can you please look into it?
Thanks!
> 'lspci -vvv' on working kernel:
>
> > 01:00.0 Serial Attached SCSI controller: Adaptec PMC-Sierra PM8001 SAS HBA
> [Series 6H] (rev 05)
> > Subsystem: Adaptec PMC-Sierra PM8001 SAS HBA [Series 6H]
> > 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, Cache Line Size: 64 bytes
> > Interrupt: pin A routed to IRQ 16
> > Region 0: Memory at f7d60000 (64-bit, non-prefetchable) [size=64K]
> > Region 2: Memory at f7d50000 (64-bit, non-prefetchable) [size=64K]
> > Region 4: Memory at f7d40000 (32-bit, non-prefetchable) [size=64K]
> > Region 5: Memory at f7d00000 (32-bit, non-prefetchable)
> [size=256K]
> > Expansion ROM at f7c00000 [disabled] [size=1M]
> > Capabilities: [40] Power Management version 3
> > Flags: PMEClk- DSI- D1+ D2- AuxCurrent=375mA
> PME(D0+,D1-,D2-,D3hot-,D3cold-)
> > Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME-
> > Capabilities: [50] MSI: Enable- Count=1/32 Maskable- 64bit+
> > Address: 0000000000000000 Data: 0000
> > Capabilities: [70] Express (v2) Endpoint, MSI 00
> > DevCap: MaxPayload 256 bytes, PhantFunc 0, Latency L0s
> <1us, L1 <8us
> > ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset-
> SlotPowerLimit 0.000W
> > DevCtl: CorrErr- NonFatalErr- FatalErr- UnsupReq-
> > RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop+
> > MaxPayload 128 bytes, MaxReadReq 512 bytes
> > DevSta: CorrErr+ NonFatalErr- FatalErr- UnsupReq+ AuxPwr-
> TransPend-
> > LnkCap: Port #0, Speed 5GT/s, Width x8, ASPM L0s L1, Exit
> Latency L0s <512ns, L1 <64us
> > ClockPM- Surprise- LLActRep- BwNot- ASPMOptComp-
> > LnkCtl: ASPM Disabled; RCB 64 bytes, Disabled- CommClk+
> > ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
> > LnkSta: Speed 5GT/s (ok), Width x4 (downgraded)
> > TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
> > DevCap2: Completion Timeout: Not Supported, TimeoutDis+
> NROPrPrP- LTR-
> > 10BitTagComp- 10BitTagReq- OBFF Not Supported,
> ExtFmt- EETLPPrefix-
> > EmergencyPowerReduction Not Supported,
> EmergencyPowerReductionInit-
> > FRS- TPHComp- ExtTPHComp-
> > AtomicOpsCap: 32bit- 64bit- 128bitCAS-
> > DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-
> LTR- OBFF Disabled,
> > AtomicOpsCtl: ReqEn-
> > LnkCtl2: Target Link Speed: 5GT/s, EnterCompliance-
> SpeedDis-
> > Transmit Margin: Normal Operating Range,
> EnterModifiedCompliance- ComplianceSOS-
> > Compliance De-emphasis: -6dB
> > LnkSta2: Current De-emphasis Level: -3.5dB,
> EqualizationComplete- EqualizationPhase1-
> > EqualizationPhase2- EqualizationPhase3-
> LinkEqualizationRequest-
> > Retimer- 2Retimers- CrosslinkRes: unsupported
> > Capabilities: [ac] MSI-X: Enable+ Count=16 Masked-
> > Vector table: BAR=0 offset=00002000
> > PBA: BAR=0 offset=00004000
> > Capabilities: [100 v1] 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-
> AdvNonFatalErr-
> > CEMsk: RxErr- BadTLP- BadDLLP- Rollover- Timeout-
> AdvNonFatalErr+
> > AERCap: First Error Pointer: 00, ECRCGenCap+ ECRCGenEn-
> ECRCChkCap+ ECRCChkEn-
> > MultHdrRecCap- MultHdrRecEn- TLPPfxPres-
> HdrLogCap-
> > HeaderLog: 00000000 00000000 00000000 00000000
> > Kernel driver in use: pm80xx
> > Kernel modules: pm80xx
>
> 'lspci -vvv' on non-working kernel (5.12-rc3):
>
> > 01:00.0 Serial Attached SCSI controller: Adaptec PMC-Sierra PM8001 SAS HBA
> [Series 6H] (rev 05)
> > Subsystem: Adaptec PMC-Sierra PM8001 SAS HBA [Series 6H]
> > 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-
> > Interrupt: pin A routed to IRQ 16
> > Region 0: Memory at f7d60000 (64-bit, non-prefetchable) [size=64K]
> > Region 2: Memory at f7d50000 (64-bit, non-prefetchable) [size=64K]
> > Region 4: Memory at f7d40000 (32-bit, non-prefetchable) [size=64K]
> > Region 5: Memory at f7d00000 (32-bit, non-prefetchable)
> [size=256K]
> > Expansion ROM at f7c00000 [disabled] [size=1M]
> > Capabilities: [40] Power Management version 3
> > Flags: PMEClk- DSI- D1+ D2- AuxCurrent=375mA
> PME(D0+,D1-,D2-,D3hot-,D3cold-)
> > Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME-
> > Capabilities: [50] MSI: Enable- Count=1/32 Maskable- 64bit+
> > Address: 0000000000000000 Data: 0000
> > Capabilities: [70] Express (v2) Endpoint, MSI 00
> > DevCap: MaxPayload 256 bytes, PhantFunc 0, Latency L0s
> <1us, L1 <8us
> > ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset-
> SlotPowerLimit 116.000W
> > DevCtl: CorrErr- NonFatalErr- FatalErr- UnsupReq-
> > RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop+
> > MaxPayload 128 bytes, MaxReadReq 512 bytes
> > DevSta: CorrErr+ NonFatalErr- FatalErr- UnsupReq+ AuxPwr-
> TransPend-
> > LnkCap: Port #0, Speed 5GT/s, Width x8, ASPM L0s L1, Exit
> Latency L0s <512ns, L1 <64us
> > ClockPM- Surprise- LLActRep- BwNot- ASPMOptComp-
> > LnkCtl: ASPM Disabled; RCB 64 bytes, Disabled- CommClk+
> > ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
> > LnkSta: Speed 5GT/s (ok), Width x4 (downgraded)
> > TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
> > DevCap2: Completion Timeout: Not Supported, TimeoutDis+
> NROPrPrP- LTR-
> > 10BitTagComp- 10BitTagReq- OBFF Not Supported,
> ExtFmt- EETLPPrefix-
> > EmergencyPowerReduction Not Supported,
> EmergencyPowerReductionInit-
> > FRS- TPHComp- ExtTPHComp-
> > AtomicOpsCap: 32bit- 64bit- 128bitCAS-
> > DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-
> LTR- OBFF Disabled,
> > AtomicOpsCtl: ReqEn-
> > LnkCtl2: Target Link Speed: 5GT/s, EnterCompliance-
> SpeedDis-
> > Transmit Margin: Normal Operating Range,
> EnterModifiedCompliance- ComplianceSOS-
> > Compliance De-emphasis: -6dB
> > LnkSta2: Current De-emphasis Level: -3.5dB,
> EqualizationComplete- EqualizationPhase1-
> > EqualizationPhase2- EqualizationPhase3-
> LinkEqualizationRequest-
> > Retimer- 2Retimers- CrosslinkRes: unsupported
> > Capabilities: [ac] MSI-X: Enable+ Count=16 Masked-
> > Vector table: BAR=0 offset=00002000
> > PBA: BAR=0 offset=00004000
> > Capabilities: [100 v1] 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-
> AdvNonFatalErr-
> > CEMsk: RxErr- BadTLP- BadDLLP- Rollover- Timeout-
> AdvNonFatalErr+
> > AERCap: First Error Pointer: 00, ECRCGenCap+ ECRCGenEn-
> ECRCChkCap+ ECRCChkEn-
> > MultHdrRecCap- MultHdrRecEn- TLPPfxPres-
> HdrLogCap-
> > HeaderLog: 00000000 00000000 00000000 00000000
> > Kernel modules: pm80xx
>
next prev parent reply other threads:[~2021-03-19 11:31 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-19 11:16 [REGRESSION] pm8001: Adaptec 6805H fails to initialize after v5.10.0 ash
2021-03-19 11:30 ` Jinpu Wang [this message]
2021-03-19 16:54 ` Viswas.G
2021-03-24 18:06 ` Viswas.G
2021-03-24 21:46 ` Ash Izat
2021-03-25 6:04 ` Jinpu Wang
2021-04-01 3:36 ` Martin K. Petersen
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