Xen project Mailing List

Re: [Xen-devel] SR-IOV VF Passthrough Issues

To: "Kaushik Kumar Ram" <kaushik@xxxxxxxx>

From: "Jan Beulich" <JBeulich@xxxxxxxxxx>

Date: Fri, 19 Aug 2011 08:42:00 +0100

Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>

Delivery-date: Fri, 19 Aug 2011 00:41:59 -0700

List-id: Xen developer discussion <xen-devel.lists.xensource.com>

>>> On 18.08.11 at 23:14, Kaushik Kumar Ram <kaushik@xxxxxxxx> wrote: > #> sudo lspci -vv -xxx -s 02:10.0 -n > > 02:10.0 0200: 8086:10ed (rev 01) > Subsystem: 8086:0003 > 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- > Region 0: [virtual] Memory at <unassigned> (64-bit, non-prefetchable) > Region 3: [virtual] Memory at <unassigned> (64-bit, non-prefetchable) This isn't meaningful for VFs. You'd need to also show the lspci output on the PF... > Capabilities: [70] MSI-X: Enable- Count=3 Masked- > Vector table: BAR=3 offset=00000000 > PBA: BAR=3 offset=00002000 > Capabilities: [a0] Express (v0) Endpoint, MSI 00 > DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <64ns, > L1 <1us > ExtTag- AttnBtn- AttnInd- PwrInd- RBE- FLReset- > DevCtl: Report errors: Correctable- Non-Fatal- Fatal- > Unsupported- > RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop- > MaxPayload 128 bytes, MaxReadReq 128 bytes > DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr- > TransPend- > LnkCap: Port #0, Speed unknown, Width x0, ASPM unknown, Latency > L0 <64ns, L1 > <1us > ClockPM- Surprise- LLActRep- BwNot- > LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk- > ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- > LnkSta: Speed unknown, Width x0, TrErr- Train- SlotClk- > DLActive- BWMgmt- ABWMgmt- > 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: [150 v1] Alternative Routing-ID Interpretation (ARI) > ARICap: MFVC- ACS-, Next Function: 0 > ARICtl: MFVC- ACS-, Function Group: 0 > Kernel driver in use: pciback > 00: ff ff ff ff 00 00 10 00 01 00 00 02 00 00 00 00 > 10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 20: 00 00 00 00 00 00 00 00 00 00 00 00 86 80 03 00 > 30: 00 00 00 00 70 00 00 00 00 00 00 00 00 00 00 00 > 40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 70: 11 a0 02 00 03 00 00 00 03 20 00 00 00 00 00 00 > 80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > a0: 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >... > lspci output in the guest after starting the guest. > > #> sudo lspci -vv -xxx -s 02:10.0 -n > > 02:10.0 0200: 8086:10ed (rev 01) > Subsystem: 8086:0003 > Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- > Stepping- SERR- > FastB2B- > Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- > <MAbort- >SERR- > <PERR- > Region 0: Memory at <unassigned> (64-bit, non-prefetchable) [disabled] > Region 3: Memory at <unassigned> (64-bit, non-prefetchable) [disabled] ... to determine whether this is caused by a problem in pciback or Dom0's PCI subsystem. For that, the Dom0 kernel messages would be relevant (/var/log/boot.msg and/or the respective part of /var/log/messages, assuming your distro uses the same file names as mine). Jan > Capabilities: [70] MSI-X: Enable- Mask- TabSize=3 > Vector table: BAR=3 offset=00000000 > PBA: BAR=3 offset=00002000 > Capabilities: [a0] Express Endpoint IRQ 0 > Device: Supported: MaxPayload 128 bytes, PhantFunc 0, ExtTag- > Device: Latency L0s <64ns, L1 <1us > Device: AtnBtn- AtnInd- PwrInd- > Device: Errors: Correctable- Non-Fatal- Fatal- Unsupported- > Device: RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop- > Device: MaxPayload 128 bytes, MaxReadReq 128 bytes > Link: Supported Speed unknown, Width x0, ASPM unknown, Port 0 > Link: Latency L0s <64ns, L1 <1us > Link: ASPM Disabled RCB 64 bytes CommClk- ExtSynch- > Link: Speed unknown, Width x0 > Capabilities: [100] Advanced Error Reporting > Capabilities: [150] Unknown (14) > 00: 86 80 ed 10 00 00 10 00 01 00 00 02 00 00 00 00 > 10: 04 00 00 00 00 00 00 00 00 00 00 00 04 00 00 00 > 20: 00 00 00 00 00 00 00 00 00 00 00 00 86 80 03 00 > 30: 00 00 00 00 70 00 00 00 00 00 00 00 00 00 00 00 > 40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 70: 11 a0 02 00 03 00 00 00 03 20 00 00 00 00 00 00 > 80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > a0: 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel

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