2.6.16, 3com: transmit timed out, tx_status 00 status 8000

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Ive been seeing stuff in dmesg with very recent kernels:

NETDEV WATCHDOG: 3com: transmit timed out
3com: transmit timed out, tx_status 00 status 8000.
  diagnostics: net 04fa media 8880 dma 000000a0 fifo 0000
  Flags; bus-master 1, dirty 67260778(10) current 67260794(10)
  Transmit list 2f6758e0 vs. ef675840.
3com: command 0x3002 did not complete! Status=0x9000
  0: @ef675200  length 80000036 status 00000036
  1: @ef6752a0  length 80000042 status 00000042
  2: @ef675340  length 8000028c status 0000028c
  3: @ef6753e0  length 800005d6 status 000005d6
  4: @ef675480  length 800005ea status 000005ea
  5: @ef675520  length 800005ba status 000005ba
  6: @ef6755c0  length 8000028c status 0000028c
  7: @ef675660  length 800005d6 status 000005d6
  8: @ef675700  length 800005ea status 800005ea
  9: @ef6757a0  length 800005d6 status 800005d6
  10: @ef675840  length 80000036 status 00010036
  11: @ef6758e0  length 80000036 status 00000036
  12: @ef675980  length 80000036 status 00000036
  13: @ef675a20  length 80000036 status 00000036
  14: @ef675ac0  length 80000036 status 00000036
  15: @ef675b60  length 80000036 status 00000036

Any ideas at all? Seems to happen mostly when doing heavy downloading.
I think this did not happen a few versions ago, I know it happened with 2.6.16-rc6, and 2.6.16. I donk think it used to happen on .14/.15 and earlier though. 

The card is a 3c905.
0000:00:0b.0 Ethernet controller: 3Com Corporation 3c905C-TX/TX-M [Tornado] (rev 74) Subsystem: 3Com Corporation 3C905C-TX Fast Etherlink for PC Management NIC Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping- SERR- FastB2B- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- Latency: 32 (2500ns min, 2500ns max), Cache Line Size: 0x08 (32 bytes) 
        Interrupt: pin A routed to IRQ 10
        Region 0: I/O ports at 9000 [size=128]
        Region 1: Memory at e3000000 (32-bit, non-prefetchable) [size=128]
        Expansion ROM at 40000000 [disabled] [size=128K]
        Capabilities: [dc] 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-
(I see there has been 3com-related patches in -git, should I try this? Any chance of them helping? 

---
John Bäckstrand
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