eepro100 with 2.2.14, and 2.3.39 slot problem ! ( BUG?)

[Andrej Todosic]

ok , 

may be you re right but let me restate : 
i have no problem under 2.2.13 and lower ... 

as for the pci/agp question , they get the same irq ... 
thats my reasoning 
also i have reproduced the problem on a 4 pci slot mb, 
so its not the board... 

however , 

the problem still appears on other slots but hardly ever...
one log entry per day while on slot 4/5 ( depending on the board) 
it was 95 percent of the time. 

and again this problem is only with 2.2.14 and 2.3.39 

anything under 2.2.14 worked fine ( 2.2.12, 2.2.13 ) 



> -----Original Message-----
> From: Chris Meadors [mailto:chris en hereintown.net]
> Sent: January 21, 2000 8:25 AM
> To: Andrej Todosic
> Cc: linux-kernel en vger.rutgers.edu
> Subject: Re: eepro100 with 2.2.14, and 2.3.39 slot problem ! ( BUG?)
> 
> 
> Andrej Todosic wrote:
> > 
> > hello everyone ,
> > 
> > i just reread the whole thread and saw someone say he moved 
> the card from a
> > shared isa/pci
> > slot to another and it fixed the problem
> > Just worked for me .
> > 
> > this means there is a specific situation localised to A 
> machine which is
> > reproduced
> > only when a card is in a shared slot .
> > 
> > In my case it is a tyan fx mb with a pii266
> > but i also reproduced the problem on a asus p2b-f
> > 
> > anyways this should be fixed if it is software fixable.
> > 
> > I have a firewall, running 3 ethernet cards and one scsi 
> card on a 5 pci
> > slot motherboard .
> > 
> > Now with this i have no choice but to put the scsi card on 
> the shared slot ,
> > 
> > since you should never use the first pci slot if you have 
> an agp card in .
> > thats the machine with the asus p2bf in my case .
> > I actually realised the problem was the slot when i read 
> the mail and
> > remembered only 1 out of 3 eepro's was behaving.
> > 
> > comments ?
> > 
> > Does anyone need any more info on this ? I ll be glad to provide .
> > 
> > PS whoever has the problem with 2214/15pre should check this as i am
> > convinced slot change ( if appropriate )
> > should fix it for now.
> > 
> > Andrej
> 
> You say a few times "shared slot", as if the ISA and PCI slots are
> physicly connected on the mother board.  This isn't really 
> the case, it
> is just called a shared slot because ISA cards sit one was and PCI sit
> the other, so they both end up opening through the same whole in the
> back of the case.  The closest the ISA bus gets to the PCI bus is
> through an ISA/PCI bridge chip.
> 
> While I have never seen this problem myself, I would guess that it is
> closer to being related to actual position on the PCI bus.  Different
> PCI slots get different IRQ assignments.  Or more likely, you 
> said this
> board has 5 PCI slots plus AGP, it probally has a PCI to PCI bridge in
> there that may not be functioning correctly.
> 
> You also said that the first PCI slot should not be used if 
> there is an
> AGP card install.  What is your reasoning behind that?
> 
> I have a machine with 1 AGP, 4 PCI, 3 ISA (one of the PCI/ISA is
> shared).  I have an AGP video card, a PCI video capture card (in the
> slot next to the AGP because they are ribbon cabled together), a PCI
> sound card, a PCI nic, and a PCI SCSI card.  Then an ISA modem and an
> ISA sound card (that also has a SCSI controller on it).  I have no
> problems at all.
> 
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