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From: Brad Campbell <>
To: Jeff Garzik <>
Subject: Re: libata Promise driver regression 2.6.5->2.6.6
Date: Wed, 19 May 2004 17:17:53 +0400	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

Against my better judgment I'm going to send this again as I have been having problems with a 
particularly faulty mail server randomly blackholing outgoing mail and I have not seen this in the 
archives after about 20 hours. Apologies if this arrives twice. I have temporarily subscribed to the 

Jeff Garzik wrote:
> Interesting.
> Well since it's not global behavior, but isolated to one port or card, I 
> still worry about non-libata things:
> 1) is a SATA cable bad, or not plugged in well?  I'm finding that it's 
> easier to screw up SATA cabling than PATA.  It's more-convenient design 
> is also less rugged.

Nup, all seated fine and working perfectly well (and I mean raid-5 across all 10 disks and spraying
data at maximum PCI speed for 8 hours at a time well) with 2.6.5, and they are Supermicro cables
SATA cables with a pair of 5 bay Supermicro Hotswap bays so the quality is pretty good.

> 2) is a PCI slot bad, or not busmastering like it should?  have you 
> tried moving the card to another PCI slot?

I hadn't, but I just gutted the system and did a heap of card shuffles.. it ain't that.

> 3) is it always the 9th port, regardless of the ordering of the PCI 
> cards in PCI slots?

Nup, but it's always appears to be on the 3rd card. Pull one of the cards and it's sweet.

> I apologize if you answered some of these in a previous message.

I hadn't, but I have now :p)

Under all these circumstances, 2.6.5 would boot fine. These tests were done with 2.6.5 and the patch
you supplied me.

I can even pull all the drives from boards 1&2 (drives 0-7) and it will lock hard on drive 8.

If I pull the 3rd card then it all behaves perfectly no matter what I do to it. I have relocated the
3rd card in other slots to change the detection order and it always *seems* to die on the 3rd
initialised card, no matter what slot.

Strange, No?

(I have knocked the other guys from the CC: as it does not appear to be ACPI related)

  parent reply	other threads:[~2004-05-19 13:19 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <>
2004-05-17 19:01 ` Len Brown
2004-05-17 19:13   ` Brad Campbell
2004-05-17 19:35     ` Jeff Garzik
     [not found]       ` <>
     [not found]         ` <>
2004-05-19 13:17           ` Brad Campbell [this message]
2004-05-28 10:22             ` libata Promise driver regression 2.6.5->2.6.6 (now 2.6.7-rc1-bk4) Brad Campbell
2004-05-16 17:18 libata Promise driver regression 2.6.5->2.6.6 Brad Campbell
2004-05-16 17:49 ` Sergey Vlasov

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