On Tue, Jun 2, 2009 at 2:00 PM, Waskiewicz Jr, Peter P
<peter.p.waskiewicz...@intel.com> wrote:
> http://e1000.sf.net
>
> Cheers,
>
> PJ Waskiewicz
> peter.p.waskiewicz...@intel.com
>
> -----Original Message-----
> From: Lal [mailto:learner.ker...@gmail.com]
> Sent: Tuesday, June 02, 2009 12:05 AM
> To: e1000-devel@lists.sourceforge.net
> Subject: Re: [E1000-devel] 2.6.30rc7: ksoftirqd CPU saturation (x86-64 and
> x86-32 both) (in-tree e1000e at fault)
>
>> My original speculations were wrong: it goes wrong with 32-bit as well
>> as 64-bit kernels. The key is that it only ever goes wrong with the
>> in-tree driver. When I compiled the faulty kernels (32- and 64-bit), I
>> forgot to copy the out-of-tree driver into place. Use the out-of-tree
>> driver, and the CPU hogging goes away. So this is an in-tree e1000e
>> driver bug, definitely.
>
> Where is out-of-tree driver source available ?
>
Does this driver work for following device ?
00:02.0 Class 0200: Unknown device 8086:1079 (rev 03)
Subsystem: Unknown device 8086:1011
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: 48 (63750ns min), Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 44
Region 0: Memory at 11b00f8000000 (64-bit, non-prefetchable) [size=128K]
Region 4: I/O ports at 4000 [size=64]
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=0 PME-
Capabilities: [e4] PCI-X non-bridge device
Command: DPERE- ERO+ RBC=512 OST=1
Status: Dev=00:02.0 64bit+ 133MHz+ SCD- USC- DC=simple
DMMRBC=2048 DMOST=1 DMCRS=16 RSCEM- 266MHz- 533MHz-
Capabilities: [f0] Message Signalled Interrupts: Mask- 64bit+
Queue=0/0 Enable-
Address: 0000000000000000 Data: 0000
I built kernel using out-of-tree driver but it did not detect the
device !! Existing driver "7.3.20-k2"DRIVERNAPI works fine but has
ksoftirq saturation problem.
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