RE: NMI ISR: NMI_PRIMARY_ATU_ERROR (PATUISR=8)

Short Answer:

Don't worry about it.

Long Answer:

This message is a print that is requested from the Firmware of the Adapter,
fulfilled by the Driver via the AIF mechanism. This is viewed as debug
information from the Firmware and the ability to print these messages has
been ifdefed out of future drivers.

The message itself is a result of the firmware noticing that the ATU
(Address Translation Unit) has been reprogrammed, disabled or the bridge has
momentarily denied it access to the bus. The ATU is the interface on the
Adapter to the PCI bus. This behavior is typical as the adapter is
initialized and sized and only represents a serious problem when this
activity occurs at runtime. But this is in itself a catch-22, as the adapter
issues these print requests via the AIF mechanism; which it could not if
this primary ATU error was a persistent problem ... At runtime it is but a
ghost screaming help me, help me ...

Sincerely -- Mark Salyzyn

-----Original Message-----
From: Mart Meier [mailto:[email protected]]
Sent: Monday, November 03, 2003 3:21 AM
To: [email protected]
Subject: NMI ISR: NMI_PRIMARY_ATU_ERROR (PATUISR=8)


Hello,

I am using Fujitsu-Siemens TX-300 with Adaptec 2200S RAID controller
running Linux kernel version 2.4.22 with aacraid driver ver. 1.1.2
1.Nov.2003

In my system log i can see an error message like this:

aacraid: NMI ISR: NMI_PRIMARY_ATU_ERROR (PATUISR=8)
aacraid: PCI Master Abort.


Can someone help with this?


thnx in advance,
Mart Meier
AS SIEMENS
SBS IT ENGINEER
e-mail: [email protected]
mob: +3725274536
www: http://www.siemens.com

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