On Mon, 2011-10-17 at 10:40 +0300, Antti Salmela wrote: > Package: linux-2.6 > Version: 3.0.0-5 > Severity: normal > > > sky2 loses packets on 3.0 (-3 and -5) and 3.1-rc7, 2.6.32-38 and > setting interface to promiscuous works. > > [ 60.118244] sky2 0000:02:00.0: eth0: rx error, status 0xb92100 length 185 > [ 62.664370] sky2 0000:02:00.0: eth0: rx error, status 0x602100 length 96 > [ 63.370051] sky2 0000:02:00.0: eth0: rx error, status 0x422100 length 66 > [ 63.714672] sky2 0000:02:00.0: eth0: rx error, status 0x722100 length 114 > [ 64.513458] device eth0 entered promiscuous mode It looks like this is a bug in accounting of VLAN tags, though I don't see what difference promiscuous mode should make. The log messages show that status has the VLAN flag (bit 13) set and the length field (bits 16:28) equals the length passed into sky2_receive(), but that function expects the length field to be greater by VLAN_HLEN. This device is: [...] > 02:00.0 Ethernet controller [0200]: Marvell Technology Group Ltd. 88E8053 PCI-E Gigabit Ethernet Controller [11ab:4362] (rev 19) > Subsystem: ASUSTeK Computer Inc. Marvell 88E8053 Gigabit Ethernet controller PCIe (Asus) [1043:8142] > 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: 16 bytes > Interrupt: pin A routed to IRQ 43 > Region 0: Memory at cdefc000 (64-bit, non-prefetchable) [size=16K] > Region 2: I/O ports at c800 [size=256] > Expansion ROM at cdec0000 [disabled] [size=128K] > Capabilities: <access denied> > Kernel driver in use: sky2 [...] Ben. -- Ben Hutchings No political challenge can be met by shopping. - George Monbiot
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