Bugs item #2889486, was opened at 2009-10-30 22:43
Message generated for change (Comment added) made by haoxudong
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Category: None
Group: None
>Status: Closed
Resolution: None
Priority: 5
Private: No
Submitted By: Jiajun Xu (jiajun)
Assigned to: Nobody/Anonymous (nobody)
Summary: NIC device assignment can not work in guest with INTx mode
Initial Comment:
Environment:
------------
Host OS (ia32/ia32e/IA64): ia32e
Guest OS (ia32/ia32e/IA64): ia32e
Guest OS Type (Linux/Windows): Linux
kvm.git Commit: 11b06403991acded51b3304c42a6086fdeaf3fa8
qemu-kvm Commit: 42a6f56f1d96574bb3ba093c740fb1e23446ea24
Host Kernel Version: 2.6.32-rc5
Hardware: NHM-HEDT
Bug detailed description:
--------------------------
With latest commit, NIC on NHM-HEDT can not work in guest with pci=nomsi. With
MSI mode, these NIC can work well in guest.
One of these NIC cards lspci info:
########
[r...@vt-nhm1 ~]# lspci -s 01:00.0 -vvv
01:00.0 Ethernet controller: Intel Corporation 82572EI Gigabit Ethernet
Controller (Copper) (rev 06)
Subsystem: Intel Corporation PRO/1000 PT Desktop Adapter
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 33
Region 0: Memory at d3320000 (32-bit, non-prefetchable) [size=128K]
Region 1: Memory at d3300000 (32-bit, non-prefetchable) [size=128K]
Region 2: I/O ports at 4000 [size=32]
Expansion ROM at d3500000 [size=128K]
Capabilities: [c8] Power Management version 2
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA
PME(D0+,D1-,D2-,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=1 PME-
Capabilities: [d0] MSI: Mask- 64bit+ Count=1/1 Enable+
Address: 00000000fee003f8 Data: 0000
Capabilities: [e0] Express (v1) Endpoint, MSI 00
DevCap: MaxPayload 256 bytes, PhantFunc 0, Latency L0s <512ns,
L1 <64us
ExtTag- AttnBtn- AttnInd- PwrInd- RBE- FLReset-
DevCtl: Report errors: Correctable- Non-Fatal- Fatal-
Unsupported-
RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
MaxPayload 256 bytes, MaxReadReq 512 bytes
DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+
TransPend-
LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s, Latency L0
<4us, L1 <64us
ClockPM- Surprise- LLActRep- BwNot-
LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk+
ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+
DLActive- BWMgmt- ABWMgmt-
Capabilities: [100] 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: 14, GenCap- CGenEn- ChkCap- ChkEn-
Capabilities: [140] Device Serial Number 82-ff-04-ff-ff-21-1b-00
Kernel driver in use: pci-stub
Kernel modules: e1000e
########
----------------------------------------------------------------------
>Comment By: Xudong Hao (haoxudong)
Date: 2009-12-14 15:45
Message:
This bug is fixed, verified on this commit
c58cab67a58369dd4d0b0b8c98d6e4eec9b2c5c6-5f08bb45861f54be478b25075b90d2406a0f8bb3.
NICs can work with INTx mode.
----------------------------------------------------------------------
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