Subject: Re: 2.4.18-2.4.19-rc1-ac4 + Promise SX6000 + i2o
From: Amith Varghese <amith@xalan.com>
To: linux-kernel@vger.kernel.org
In-Reply-To: <1026941364.4547.91.camel@viper>
References: <1026941364.4547.91.camel@viper>
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Date: 18 Jul 2002 00:31:21 -0400
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Just for more information... I too have the PDC20276 chip which Alan had
mentioned in in linux 2.4.19rc1-ac3 changelog as the following:

o	Newer SX6000 has PDC20276 chips. Handle this	(me)

I tried 2.4.19rc2 and 2.4.19rc1-ac7 with no success.  I'm willing to try
and debug this, but i don't have a really good idea how to.  If someone
can give me some ideas that would be great.

Thanks
Amith  

On Wed, 2002-07-17 at 17:29, Amith Varghese wrote:
> I'm getting similar results, but I haven't tried anyting in 2.4.19
> series yet... this is my situation
> 
> I am trying to put together a new machine using the promise sx6000
> raid card and I am having some problems with getting the OS to
> recognize the raid array.  Here are the facts
> 
> * dual athlon 1900
> * asus a7m266-d motherboard w/ latest bios (A006)
> * 1GB RAM
> * Realtek RTL-8139 ethernet card
> * Promise SX6000
> 
> * using 6 120GB western digital HD's
> * total array size is 600GB defined as RAID 5
> * using the latest bios (Revision 77) for the promise sx6000
> * have the OS set to "Other"
> 
> The redhat 7.3 doesn't seem to load the i20 block driver on boot and
> therefore it can't find any drives when trying to install the OS.  So
> what I have done is compiled a new kernel on my other linux machine
> that has the i2o support, i2o pci support, and i2o block support.  I
> then replaced the vmlinuz file within the boot.img file provided by
> redhat.  When I boot the machine it looks promising.  I get the
> following messages:
> 
> Loading I2O core - (c) Copyright 1999 Red Hat Software
> Linux I2O PCI support (c) 1999 Red Hat Software
> i2o: Checking for PCI I2O controllers...
> i2o: I2O controller on bus 2 at 49.
> i2o: PCI I2O controller at 0xF3000000 size=4194304
> I2O: Promise workarounds activated.
> i2o/iop0: Installed at IRQ 10
> i2o: 1 I2O controller found and installed.
> Activating I2O controllers...
> This may take a few minutes if there are many devices
> i2o/iop0: Reset rejected, trying to clear
> i2o/iop0: LCT has 5 entries
> i2o/iop0: Configuration dialog desired.
> I2O configuration manager v 0.04.
>   (C) Copyright 1999 Red Hat Software
> I2O Block Storage OSM v0.9
>   (C) Copyright 1999-2001 Red Hat Software
> i2o_block: Checking for Boot device...
> i2o_block: Checking for I2O Block devices...
> i2ob: Installing tid 11 device at unit 0
> i2o/hda: Max segments 28, queue def 32, byte limit 14336.
> i2o/hda: Type 128: 572366MB, 512 byte sectors.
> i2o/hda: Maximum sectors/read set 2 256.
> Partitition check:
>   i2o/hda:
> 
> However, it hangs here and does nothing.  I left it on all night and
> no change.  Does anyone have any ideas why it might be hanging?  Is
> there something else I should try?  Do I need to pass any arguments to
> the kernel?  If anyone needs more info I would be glad to give it. 
> Any help would be greatly appreciated.
> 
> Thanks
> Amith  
> 
> 
> 
> Viktors Rotanovs <Viktors@Rotanovs.com> wrote in message
> news:<linux.kernel.9016512704.20020717045236@Rotanovs.com>...
> > Hi,
> > 
> > I've found numerious reports that Promise SX6000 works fine with
> > 2.4.18+ kernels, and tried it with 2.4.18 and 2.4.19-rc1-ac4 kernels
> > with i2o support.
> > 
> > Here are the results:
> > 
> > 2.4.18: finds controller, but doesn't find disk device on it.
> > 2.4.19-rc1-ac4: loads i2o_block and i2o_core fine and doesn't load
> > i2o_pci. When I try to load i2o_pci manually, it shows a lot of
> > timeouts.
> > 
> > I seem to have PDC20276 chip (if i'm not mistaken) marked as new
> > by Alan Cox.
> > 
> > OS type on the RAID is set to Other.
> > 
> > When I try to run original driver Promise's driver instead of i2o on
> > 2.4.18, it starts showing SCSI timeouts after some time when working
> > under heavy load.
> > 
> > I use RAID with ReiserFS.
> > 
> > Thanks for any help and have a nice day!
> > 
> > Best Wishes,
> > Viktors
> > 
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> 
> 
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