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From Bugzilla Helper: User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-GB; rv:1.8.1.12) Gecko/20080208 Fedora/2.0.0.12-1.fc8 Firefox/2.0.0.12 Description of problem: We have a system with a Jetway J7F5M2G motherboard, using a VIA Velocity gigabit ethernet chip. When it boots, it ignores all multicast traffic; we can get it to listen for multicast traffic by switching allmulti or promisc on, then off again: ifconfig eth0 allmulti ; ifconfig eth0 -allmulti or ifconfig eth0 promisc ; ifconfig eth0 -promisc lspci on an affected box: # lspci 00:00.0 Host bridge: VIA Technologies, Inc. CX700 Host Bridge (rev 03) 00:00.1 Host bridge: VIA Technologies, Inc. CX700 Host Bridge 00:00.2 Host bridge: VIA Technologies, Inc. CX700 Host Bridge 00:00.3 Host bridge: VIA Technologies, Inc. CX700 Host Bridge 00:00.4 Host bridge: VIA Technologies, Inc. CX700 Host Bridge 00:00.7 Host bridge: VIA Technologies, Inc. CX700 Host Bridge 00:01.0 PCI bridge: VIA Technologies, Inc. VT8237 PCI Bridge 00:0f.0 IDE interface: VIA Technologies, Inc. CX700M2 IDE 00:10.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 90) 00:10.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 90) 00:10.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 90) 00:10.4 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 90) 00:11.0 ISA bridge: VIA Technologies, Inc. CX700 PCI to ISA Bridge 00:11.7 Host bridge: VIA Technologies, Inc. CX700 Internal Module Bus 00:13.0 Host bridge: VIA Technologies, Inc. CX700 Host Bridge 00:13.1 PCI bridge: VIA Technologies, Inc. CX700 PCI to PCI Bridge 01:00.0 VGA compatible controller: VIA Technologies, Inc. CX700M2 UniChrome PRO II Graphics (rev 03) 02:03.0 Multimedia controller: Philips Semiconductors SAA7133/SAA7135 Video Broadcast Decoder (rev d1) 02:05.0 Ethernet controller: VIA Technologies, Inc. VT6120/VT6121/VT6122 Gigabit Ethernet Adapter (rev 11) 02:08.0 FireWire (IEEE 1394): VIA Technologies, Inc. IEEE 1394 Host Controller (rev 80) 80:01.0 Audio device: VIA Technologies, Inc. VIA High Definition Audio Controller (rev 10) And specifically for the ethernet controller. # lspci -vvvvvxn -s 02:05.0 02:05.0 0200: 1106:3119 (rev 11) Subsystem: 1106:0110 Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 32 (750ns min, 2000ns max), Cache Line Size: 64 bytes Interrupt: pin A routed to IRQ 20 Region 0: I/O ports at dc00 [size=256] Region 1: Memory at dfefe000 (32-bit, non-prefetchable) [size=256] Capabilities: [50] Power Management version 2 Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold+) Status: D0 PME-Enable- DSel=0 DScale=0 PME- Kernel driver in use: via-velocity Kernel modules: via-velocity 00: 06 11 19 31 07 00 30 02 11 00 00 02 10 20 00 00 10: 01 dc 00 00 00 e0 ef df 00 00 00 00 00 00 00 00 20: 00 00 00 00 00 00 00 00 00 00 00 00 06 11 10 01 30: 00 00 00 00 50 00 00 00 00 00 00 00 0b 01 03 08 I can run any tests you like on the box. Version-Release number of selected component (if applicable): kernel-2.6.24.3-34.fc8 How reproducible: Always Steps to Reproduce: Install Fedora on a box with a VIA Velocity ethernet chip. Boot on a network with multicast traffic; see the box ignore the multicast traffic completely. Actual Results: Expected Results: Additional info:
Further to the report; once we've set allmulti or promisc mode, the chip stops filtering multicast traffic, even though we've disabled promisc or allmulti.
<dwmw2> rebuild driver with some printks in velocity_set_multi() to see what it's doing (and if it's actually being called at the right times) <farnz> dwmw2: Did that at the time - it's apparently setting the right stuff, but the chip ignores it. Do we have access to VIA docs? If not, maybe we should put it into allmulti mode at all times if the multicast filtering isn't working.
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