Re: My boss want to kill debian, please help !
Problem,
I put like you said, except that i use an e100 for a cross-over
ethernet connection with a freebsd 5.3 machine. suddenly the
connection dissapeared, mii-tool said the link is up. tcpdump on the
linux machine shows arp request from freebsd, but no packet were sent
over the link. the e100 module is compiled with NAPI. I had to ifdown
eth3 and ifup eth3 (eth3 is that e100 on the cross over connection)
and everything got back to normal (guess how charming the tech manager
has begun to talk about debian :( .
this is the lspci line about that e100:
0000:03:00.0 Ethernet controller: Intel Corp. 82557/8/9 [Ethernet Pro
100] (rev 05)
Subsystem: Compaq Computer Corporation NC3121 Fast Ethernet NIC (WOL)
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 (2000ns min, 14000ns max), Cache Line Size: 0x10 (64 bytes)
Interrupt: pin A routed to IRQ 21
Region 0: Memory at f42ff000 (32-bit, prefetchable) [size=4K]
Region 1: I/O ports at bc00 [size=32]
Region 2: Memory at fe900000 (32-bit, non-prefetchable) [size=1M]
Expansion ROM at fe800000 [disabled] [size=1M]
Capabilities: [dc] Power Management version 1
Flags: PMEClk- DSI+ D1+ D2+ AuxCurrent=0mA
PME(D0+,D1+,D2+,D3hot+,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
On Wed, 26 Jan 2005 14:02:21 -0200, Henrique de Moraes Holschuh
<hmh@debian.org> wrote:
> On Wed, 26 Jan 2005, Michael Sims wrote:
> > Sorry if I've missed this in the archives, but could you elaborate on how
> > the e100's are problematic? Or point me to a resource that explains it?
> > I'd appreciate it...
>
> Older ones (and it IS difficult to make sure you're not getting one in
> certain places of the world) had hardware problems, which caused lockups for
> example. The driver compensates for this, but it really is a pain on high
> packet load.
>
> Also, AFAIK, only the e1000 has enough hardware assistance for one to get
> about six of them to cooperate and not lose packets. This is certainly not
> a problem if you're using one or two e100.
>
> --
> "One disk to rule them all, One disk to find them. One disk to bring
> them all and in the darkness grind them. In the Land of Redmond
> where the shadows lie." -- The Silicon Valley Tarot
> Henrique Holschuh
>
> --
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>
--
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