Update: I compiled xen 3.5-unstable and now it works.
Maybe a bug in xen 3.4.x? I have no idea...
Leo
-----Ursprüngliche Nachricht-----
Von: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] Im Auftrag von Leo Krüger
Gesendet: Montag, 28. September 2009 13:43
An: 'Christian Tramnitz'; xen-users@xxxxxxxxxxxxxxxxxxx
Betreff: AW: [Xen-users] Re: AW: Re: PCI passthrough problem
The following error message always appears in xm dmesg when I load ath9k.
(XEN) mm.c:740:d1 Non-privileged (1) attempt to map I/O space 000febf0
The only thing regarding the wlan-card in dom0 dmesg is the following:
[ 1.541544] pci 0000:03:00.0: reg 10 64bit mmio: [0xfebf0000-0xfebfffff]
[ 1.541544] pci 0000:03:00.0: supports D1
[ 1.541544] pci 0000:03:00.0: PME# supported from D0 D1 D3hot
[ 1.541544] pci 0000:03:00.0: PME# disabled
And when I start the domU:
[ 115.707617] pciback 0000:03:00.0: enabling device (0000 -> 0002)
[ 115.707826] pciback 0000:03:00.0: PCI INT A -> GSI 18 (level, low) -> IRQ
18
[ 115.708492] pciback 0000:03:00.0: setting latency timer to 64
Greetings Leo
-----Ursprüngliche Nachricht-----
Von: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] Im Auftrag von Christian
Tramnitz
Gesendet: Montag, 28. September 2009 13:31
An: xen-users@xxxxxxxxxxxxxxxxxxx
Betreff: [Xen-users] Re: AW: Re: PCI passthrough problem
Leo Krüger wrote:
> Hi,
>
> thanks fort the fast response. Sadly that didn't help.
> pciback.permissive was already passed to dom0 kernel. I additionaly added
> the device to
> xend-pci-permissive.sxp.
>
> Still the same error.
>
> Heres a more detailed output of lspci in dom0:
>
> debserv:~# lspci -vv -n -s 03:00.0
> 03:00.0 0280: 168c:0024 (rev 01)
> Subsystem: 106b:0087
> 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 18
> Region 0: Memory at febf0000 (64-bit, non-prefetchable) [size=64K]
> Capabilities: [40] Power Management version 2
> Flags: PMEClk- DSI- D1+ D2- AuxCurrent=375mA
> PME(D0+,D1+,D2-,D3hot+,D3cold-)
> Status: D0 PME-Enable- DSel=0 DScale=0 PME-
> Capabilities: [50] Message Signalled Interrupts: Mask- 64bit-
> Queue=0/0 Enable-
> Address: 00000000 Data: 0000
> Capabilities: [60] Express (v1) Legacy Endpoint, MSI 00
> DevCap: MaxPayload 128 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 128 bytes, MaxReadReq 512 bytes
> DevSta: CorrErr- UncorrErr+ FatalErr- UnsuppReq+ AuxPwr-
> TransPend-
> LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s L1,
> Latency L0 <512ns, L1 <64us
> ClockPM- Suprise- LLActRep- BwNot-
> LnkCtl: ASPM Disabled; RCB 128 bytes Disabled- Retrain-
> CommClk+
> ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
> LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+
> DLActive- BWMgmt- ABWMgmt-
> Capabilities: [90] MSI-X: Enable- Mask- TabSize=1
> Vector table: BAR=0 offset=00000000
> PBA: BAR=0 offset=00000000
> Capabilities: [100] Advanced Error Reporting <?>
> Capabilities: [140] Virtual Channel <?>
> Kernel driver in use: ath9k
> Kernel modules: ath9k
>
>
> I added 0280: 168c:0024 to xend-pci-permissive.sxp, is this right?
> What about adding the device to xend-pci-quirks.sxp? It seems as if this
> file is for devices which need access to configuration space. How do I
know
> which config space fields the device needs access to?
>
> Leo
Please verify if the error message is related to loading the driver at
all, i.e. watch xm dmesg before/after you try to load the ath9k driver.
Also have a look at dom0 (non-xm) dmesg, because this is usually the
place where the need for permissive/quirks is logged.
Best regards,
Christian
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