Hi tg3 folks, Any idea how to solve the bug?
Kai-Heng > On Dec 7, 2018, at 17:27, Kai Heng Feng <kai.heng.f...@canonical.com> wrote: > > Hi tg3 maintainers, > > I’ve encountered network freeze when using tg3 in gigabits net. > > The issue can be easily reproduced when using scp to transfer files in local > network. > > The symptom is pretty similar to what this commit is trying to solve: > commit 3a498606bb04af603a46ebde8296040b2de350d1 > Author: Sanjeev Bansal <sanjeevb.ban...@broadcom.com> > Date: Mon Jul 16 11:13:32 2018 +0530 > > tg3: Add higher cpu clock for 5762. > > This patch has fix for TX timeout while running bi-directional > traffic with 100 Mbps using 5762. > > But reverting this commit doesn’t help. > > Latitude 5495 is a AMD Raven Ridge platform, not sure if this matters. > > Here’s the lspci for this device: > 03:00.0 Ethernet controller [0200]: Broadcom Inc. and subsidiaries NetXtreme > BCM5762 Gigabit Ethernet PCIe [14e4:1687] (rev 10) > Subsystem: Dell NetXtreme BCM5762 Gigabit Ethernet PCIe [1028:0814] > 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 16 > Region 0: Memory at e0220000 (64-bit, prefetchable) [size=64K] > Region 2: Memory at e0210000 (64-bit, prefetchable) [size=64K] > Region 4: Memory at e0200000 (64-bit, prefetchable) [size=64K] > Capabilities: [48] 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=1 PME- > Capabilities: [50] Vital Product Data > Product Name: Broadcom NetXtreme Gigabit Ethernet Controller > Read-only fields: > [PN] Part number: BCM95762 > [EC] Engineering changes: 106679-15 > [SN] Serial number: 0123456789 > [MN] Manufacture ID: 31 34 65 34 > [RV] Reserved: checksum good, 28 byte(s) reserved > Read/write fields: > [YA] Asset tag: XYZ01234567 > [RW] Read-write area: 107 byte(s) free > End > Capabilities: [58] MSI: Enable- Count=1/8 Maskable- 64bit+ > Address: 0000000000000000 Data: 0000 > Capabilities: [a0] MSI-X: Enable+ Count=6 Masked- > Vector table: BAR=4 offset=00000000 > PBA: BAR=2 offset=00000120 > Capabilities: [ac] Express (v2) Endpoint, MSI 00 > DevCap: MaxPayload 256 bytes, PhantFunc 0, Latency L0s <4us, > L1 <64us > ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset+ > SlotPowerLimit 0.000W > DevCtl: Report errors: Correctable- Non-Fatal- Fatal- > Unsupported- > RlxdOrd- ExtTag- PhantFunc- AuxPwr+ NoSnoop- FLReset- > MaxPayload 128 bytes, MaxReadReq 4096 bytes > DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+ > TransPend- > LnkCap: Port #0, Speed 5GT/s, Width x1, ASPM L0s L1, Exit > Latency L0s <2us, L1 <64us > 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 ABCD, TimeoutDis+, LTR+, > OBFF Via WAKE# > DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-, LTR+, > OBFF Disabled > LnkCtl2: Target Link Speed: 2.5GT/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- > 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- NonFatalErr- > CEMsk: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+ > AERCap: First Error Pointer: 00, GenCap+ CGenEn- ChkCap+ ChkEn- > Capabilities: [13c v1] Device Serial Number 00-00-a4-4c-c8-5b-65-74 > Capabilities: [150 v1] Power Budgeting <?> > Capabilities: [160 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- > Capabilities: [1b0 v1] Latency Tolerance Reporting > Max snoop latency: 1048576ns > Max no snoop latency: 1048576ns > Capabilities: [230 v1] Transaction Processing Hints > Interrupt vector mode supported > Steering table in MSI-X table > Kernel driver in use: tg3 > Kernel modules: tg3 > > Please let me know if you need more information. > > Kai-Heng
