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Date: Thu, 3 Jul 2008 12:04:38 -0700
From: Andrew Sharp <andy.sharp@onstor.com>
To: "Warren Gale" <warren.gale@onstor.com>
Subject: Re: woo hoo
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On Thu, 3 Jul 2008 11:51:44 -0700 "Warren Gale"
<warren.gale@onstor.com> wrote:

> 
> -------->
> 
> 
> -----Original Message-----
> From: Andy Sharp 
> Sent: Thursday, July 03, 2008 11:43 AM
> To: Warren Gale
> Subject: Re: woo hoo
> 
> On Thu, 3 Jul 2008 11:25:23 -0700 "Warren Gale"
> <warren.gale@onstor.com> wrote:
> 
> > Ah,   well that figures... I should have seen that one coming.
> > Just when I feel like I'm getting somewhere,  stop, U turn..
> > Oh well,  Ok.. Not all a loss.. Did find some other stuff..
> > So I guess I need to look at the "yenta" card bus driver stuff..
> > Right? 
> 
> I don't know if that's a good idea.  That driver is fairly complicated
> and has a lot of Linux-y stuff in it that would be useless for the
> PROM.  But you can always use it for reference for things like how it
> does polling, how it programs DMA, etc.  Reading the documentation
> for the part would probably be faster/simpler.  It's a weird part if
> you ask me, with multiple modes and other crapola, and I don't want
> you to get bogged down in that too much.  KIS.
> 
> -------->
> Ok.. know where the Docs are?

You should know.  /n/hardware/cougar/something/something

> 
> > I did do some experimenting in PROM awhile back and broke it.
> > so I dropped it and finished up other diag stuff.
> > Taking out the spinning wheel did nothing to speed up the load.
> 
> Not sure it's a driver issue.  I would look for things like:
> 
> + ways to bring the filesystem and the driver closer together, like
> get enough info from the filesystem to be able to set up only one read
> for a contiguous chunk of blocks, instead of one read for each block,
> if you know what I mean.
> 
> + if you're not using DMA, use DMA.  might take you a day or two of
> consulting the programmer's guide for the part, but should be pretty
> simple.
> 
> ----->
> Yea..  don't think we using DMA..
> 
> 
> + Brian said something about not reading one byte at a time.  We're
> not doing that, are we?
> 
> ----->
> think we are reading 512 byte blocks  at a time.
> 
> 
> Thanks
> > Ok,  I'm back on that one....
> > You letting Brian know?
> 
> Already chatted it all with Brian.
> 
> > Thanks,
> > Warren
> >  
> > 
> > -----Original Message-----
> > From: Andy Sharp 
> > Sent: Thursday, July 03, 2008 10:21 AM
> > To: Warren Gale
> > Subject: Re: woo hoo
> > 
> > Oops, I forgot to mention that you are to stop working on this for
> > the current release and dig into the PROM code and make it load the
> > images faster.  Enlist whatever help/advice you need from me.
> > 
> > Cheers,
> > 
> > a
> > 
> > 
> > On Thu, 3 Jul 2008 08:26:10 -0700 "Warren Gale"
> > <warren.gale@onstor.com> wrote:
> > 
> > > Ha Ha hehe ... Yep, I Know.. I was just happy to see some
> > > progress ... ( breaking things for me IS
> > > progress..(sometimes)  :) ) 
> > > 
> > > 
> > > -----Original Message-----
> > > From: Andy Sharp 
> > > Sent: Wednesday, July 02, 2008 7:28 PM
> > > To: Warren Gale
> > > Subject: Re: woo hoo
> > > 
> > > Hmm, let me think for a second.  Oh yeah.  I TOLD YOU IT WOULDN'T
> > > WORK.  OK I'll stop shouting now.
> > > 
> > > On Wed, 2 Jul 2008 17:43:09 -0700 "Warren Gale"
> > > <warren.gale@onstor.com> wrote:
> > > 
> > > > Andy,
> > > > 
> > > >   I like it... looks like that module doesn't work...yet...
> > > > 
> > > > Thought you'd like the output :-)
> > > > 
> > > >  
> > > > 
> > > > Warren
> > > > 
> > > >  
> > > > 
> > > > ata1: PATA max PIO0 cmd 0x90000000dc000000 ctl
> > > > 0x90000000dc00000e bmdma 0x0000000000000000 irq 56
> > > > 
> > > > ds1511 ds1511: rtc core: registered ds1511 as rtc0
> > > > 
> > > > MGMTBUS: using irq 29
> > > > 
> > > > MGMTBUS: registered net device mgmtbus @ 900000008f000000
> > > > 
> > > > rcon device will be in the hizzy @ 900000008f0000e0
> > > > 
> > > > prom_init
> > > > 
> > > > from_init: DEV_29LV040 sector size = 65536 size = 524288
> > > > 
> > > > DBE physical address: 001f800000
> > > > 
> > > > Data bus error, epc == ffffffff82197a50, ra == ffffffff82197a44
> > > > 
> > > > Oops[#1]:
> > > > 
> > > > Cpu 0
> > > > 
> > > > $ 0   : 0000000000000000 0000000014001fe0 0000000000000000
> > > > ffffffffffffffff
> > > > 
> > > > $ 4   : ffffffffbf800000 0000000000000090 0000000000000055
> > > > ffffffff822f0000
> > > > 
> > > > $ 8   : ffffffff822b0000 ffffffff822b6890 ffffffffffff1d77
> > > > ffffffff82300000
> > > > 
> > > > $12   : ffffffff82310000 ffffffff82300000 fffffffffffffff8
> > > > ffffffff8223d518
> > > > 
> > > > $16   : ffffffff82324e40 ffffffffbf800000 ffffffff82324e38
> > > > ffffffff82324e41
> > > > 
> > > > $20   : 0000000000000001 ffffffff82320000 0000000000000002
> > > > ffffffff82240000
> > > > 
> > > > $24   : 0000000000000000 0000000000000020
> > > > 
> > > > $28   : a8000000048e4000 a8000000048e7ed0 0000000000000008
> > > > ffffffff82197a44
> > > > 
> > > > Hi    : 00000000000000c7
> > > > 
> > > > Lo    : ae147ae147ac3400
> > > > 
> > > > epc   : ffffffff82197a50 from_init+0x98/0x2e0     Not tainted
> > > > 
> > > > ra    : ffffffff82197a44 from_init+0x8c/0x2e0
> > > > 
> > > > Status: 14001fe3    KX SX UX KERNEL EXL IE
> > > > 
> > > > Cause : 0080841c
> > > > 
> > > > PrId  : 00040103
> > > > 
> > > > Modules linked in:
> > > > 
> > > > Process swapper (pid: 1, threadinfo=a8000000048e4000,
> > > > task=a8000000048e1768)
> > > > 
> > > > Stack : ffffffffffffffed ffffffff82240000 ffffffff82290000
> > > > fffffffffffffffe
> > > > 
> > > >         0000000000000000 ffffffff82270000 ffffffff822f0000
> > > > ffffffff822f0000
> > > > 
> > > >         0000000000000000 ffffffff82197fe4 0000000000000000
> > > > ffffffff822f35f8
> > > > 
> > > >         0000000000000000 fffffffffffffffe ffffffff822d86a8
> > > > ffffffff822d86a8
> > > > 
> > > >         0000000000000000 0000000000000000 0000000000000000
> > > > 0000000000000000
> > > > 
> > > >         0000000000000000 0000000000000000 0000000000000000
> > > > 0000000000000000
> > > > 
> > > >         0000000000000000 0000000000000000 0000000000000000
> > > > 0000000000000000
> > > > 
> > > >         0000000000000000 0000000000000000 0000000000000000
> > > > ffffffff82003930
> > > > 
> > > >         0000000000000000 ffffffff82003920 0000000000000000
> > > > 0000000000000000
> > > > 
> > > >         0000000000000000 0000000000000000
> > > > 
> > > > Call Trace:
> > > > 
> > > > [<ffffffff82197a50>] from_init+0x98/0x2e0
> > > > 
> > > > [<ffffffff82197fe4>] prom_init+0x3c/0x168
> > > > 
> > > > [<ffffffff822d86a8>] kernel_init+0xd0/0x2f8
> > > > 
> > > > [<ffffffff82003930>] kernel_thread_helper+0x10/0x18
> > > > 
> > > >  
> > > > 
