Re: sk98lin for 2.6.23-rc1

[Chris Stromsoe <cbs@cts.ucla.edu>]

On Tue, 6 Nov 2007, Stephen Hemminger wrote:
> On Sun, 9 Sep 2007 05:54:45 -0700 (PDT)
> Chris Stromsoe <cbs@cts.ucla.edu> wrote:
>
> > On Sat, 8 Sep 2007, Adrian Bunk wrote:
> > > On Sat, Sep 08, 2007 at 01:44:20PM -0400, Bill Davidsen wrote:
> > >
> > > > Haven't tried later kernels, don't intend to, while no network is
> > > > really secure, it not really useful.
> > >
> > > You are a regular reader of linux-kernel, and therefore the sk98lin
> > > removal can hardly be a surprise for you. If you prefer whining over
> > > helping to improve the kernel that's your choice...
> >
> > I've been trying to migrate off sk98lin to skge since earlier this year,
> > without success, starting with 2.6.18 or .19.
> >
> > I have several of these cards in production using the sk98lin driver:
> >
> > fresno:~# lspci -vv -s 02:01
> > 02:01.0 Ethernet controller: SysKonnect SK-9872 Gigabit Ethernet Server Adapter (SK-NET GE-ZX dual link) (rev 11)
> >          Subsystem: SysKonnect SK-9844 Gigabit Ethernet Server Adapter (SK-NET GE-SX dual link)
> >          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: 64 (5750ns min, 7750ns max), Cache Line Size: 32 bytes
> >          Interrupt: pin A routed to IRQ 22
> >          Region 0: Memory at febfc000 (32-bit, non-prefetchable) [size=16K]
> >          Region 1: I/O ports at e800 [size=256]
> >          Expansion ROM at febc0000 [disabled] [size=128K]
> >          Capabilities: [48] Power Management version 1
> >                  Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
> >                  Status: D0 PME-Enable- DSel=0 DScale=1 PME-
> >          Capabilities: [50] Vital Product Data
> >
> > They are dual port SX fiber.  Both ports are connected.  If I do this:
> >
> > fresno:~# modprobe skge
> > fresno:~# ip li set eth2 up
> > fresno:~# ip li set eth2 down
> > fresno:~# ip li set eth3 up
> >
> > the system locks up and I have to power cycle it.  The order doesn't
> > matter (if I do eth3 up/down, then eth2 up kills it).
> >
> > I don't have any problems with sk98lin.  This works fine:
> >
> > fresno:~# modprobe sk98lin RlmtMode=DualNet
> > fresno:~# ip li set eth2 up
> > fresno:~# ip li set eth2 down
> > fresno:~# ip li set eth3 up
> > fresno:~# ip li set eth3 down
> >
> >
> > I am more than happy to test various driver changes, and have tried a few
> > suggested patches but nothing has worked so far.  I would like to be using
> > skge instead of sk98lin, but so far haven't had any success.
>
> Please test 2.6.24-rc1 (or -rc2) because there were several fixes for skge
> that made it work correctly for dual port fiber board. The worst bug in skge
> was that it configured the ram buffer incorrectly.
>
> I just submitted these for next 2.6.23.X stable release as well


I tested 2.6.24-rc1.  This series of commands

  fresno:~# modprobe skge
  fresno:~# ip li set eth2 up
  fresno:~# ip li set eth2 down
  fresno:~# ip li set eth3 up

still hard-locks the box in the same place.  Was there anything in the 
-rc2 patch for skge?



-Chris
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