[Xen-bugs] [Bug 931] b44 driver (Broadcom ethernet) broken under xen

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http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=931





------- Comment #2 from kees@xxxxxxxxxxxx  2007-06-11 04:08 -------
Me and 2 collegues have been bitten by this bug as well using a Dell 9400 with
this chipset. Using OpenSuSE10.2 (Xen 3.0.3)

lspci -vvvv (on default-kernel)

03:00.0 Ethernet controller: Broadcom Corporation BCM4401-B0 100Base-TX (rev
02)
        Subsystem: Dell Unknown device 01cd
        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-
        Latency: 64
        Interrupt: pin A routed to IRQ 177
        Region 0: Memory at ef9fe000 (32-bit, non-prefetchable) [size=8K]
        Capabilities: [40] Power Management version 2
                Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA
PME(D0+,D1+,D2+,D3hot+,D3cold+)
                Status: D0 PME-Enable- DSel=0 DScale=2 PME-


lspci -vvvv (on xen-kernel)
03:00.0 Ethernet controller: Broadcom Corporation BCM4401-B0 100Base-TX (rev
02)
        Subsystem: Dell Unknown device 01cd
        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-
        Interrupt: pin A routed to IRQ 17
        Region 0: Memory at ef9fe000 (32-bit, non-prefetchable) [disabled]
[size=8K]
        Capabilities: [40] Power Management version 2
                Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA
PME(D0+,D1+,D2+,D3hot+,D3cold+)
                Status: D0 PME-Enable- DSel=0 DScale=2 PME-


*** Notice irq17 vs irq177


(default-kernel)
hostname:/home/kc # dmesg | grep b44 
b44.c:v1.01 (Jun 16, 2006)
b44: eth0: Link is up at 100 Mbps, full duplex.
b44: eth0: Flow control is off for TX and off for RX.

(xen-kernel)
hostname:/home/kc # dmesg | grep b44
b44.c:v1.01 (Jun 16, 2006)
b44 0000:03:00.0: No usable DMA configuration, aborting.
b44: probe of 0000:03:00.0 failed with error -5
b44 0000:03:00.0: No usable DMA configuration, aborting.
b44: probe of 0000:03:00.0 failed with error -5


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