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From: "Chen, Kenneth W" <kenneth.w.chen@intel.com>
To: "'\"Döhr, Markus ICC-H\"'" <Markus.Doehr@siegenia-aubi.com>,
	"Ju, Seokmann" <Seokmann.Ju@lsil.com>,
	"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>
Cc: linux-scsi@vger.kernel.org
Subject: RE: Help: strange messages from kernel on IA64 platform
Date: Tue, 16 May 2006 14:38:42 -0700	[thread overview]
Message-ID: <4t153d$13lgbu@azsmga001.ch.intel.com> (raw)
In-Reply-To: <FC7F4950D2B3B845901C3CE3A1CA6766015CC246@mxnd200-9.si-aubi.siegenia-aubi.com>

Döhr, Markus ICC-H wrote on Tuesday, May 16, 2006 2:20 PM
> > During communication in between application and megaraid 
> > driver via IOCTL, the system displays messages which are not 
> > easy to track down.
> > Following is one of the messages and same messages with 
> > different values are poping up regularly.
> > ---
> > Kernel unaligned access to 0xe00000007f3d80dc ip=0xa0000002000373b1
> > ---
> 
> We have this message too on our main database server; the interesting part
> is, that the application, which triggers this error, is a database (MaxDB)
> and the process name is "kernel"... Just to avoid confusion: look if there's
> an application with such name running on your system.

Unaligned access warning for user space process will print in a slightly
different format.  It will print process name and its pid, something like:

cgc(15270): unaligned access to 0x20000000002b8025, ip=0x4000000000000b21

(you can also make the differentiation by looking at the data and instruction
 address).

- Ken
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WARNING: multiple messages have this Message-ID (diff)
From: "Chen, Kenneth W" <kenneth.w.chen@intel.com>
To: "'\"Döhr, Markus ICC-H\"'" <Markus.Doehr@siegenia-aubi.com>,
	"Ju, Seokmann" <Seokmann.Ju@lsil.com>,
	"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>
Cc: <linux-scsi@vger.kernel.org>
Subject: RE: Help: strange messages from kernel on IA64 platform
Date: Tue, 16 May 2006 14:38:42 -0700	[thread overview]
Message-ID: <4t153d$13lgbu@azsmga001.ch.intel.com> (raw)
In-Reply-To: <FC7F4950D2B3B845901C3CE3A1CA6766015CC246@mxnd200-9.si-aubi.siegenia-aubi.com>

Döhr, Markus ICC-H wrote on Tuesday, May 16, 2006 2:20 PM
> > During communication in between application and megaraid 
> > driver via IOCTL, the system displays messages which are not 
> > easy to track down.
> > Following is one of the messages and same messages with 
> > different values are poping up regularly.
> > ---
> > Kernel unaligned access to 0xe00000007f3d80dc ip=0xa0000002000373b1
> > ---
> 
> We have this message too on our main database server; the interesting part
> is, that the application, which triggers this error, is a database (MaxDB)
> and the process name is "kernel"... Just to avoid confusion: look if there's
> an application with such name running on your system.

Unaligned access warning for user space process will print in a slightly
different format.  It will print process name and its pid, something like:

cgc(15270): unaligned access to 0x20000000002b8025, ip=0x4000000000000b21

(you can also make the differentiation by looking at the data and instruction
 address).

- Ken

  reply	other threads:[~2006-05-16 21:38 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-05-16 21:19 Help: strange messages from kernel on IA64 platform "Döhr, Markus ICC-H"
2006-05-16 21:19 ` "Döhr, Markus ICC-H"
2006-05-16 21:38 ` Chen, Kenneth W [this message]
2006-05-16 21:38   ` Chen, Kenneth W
  -- strict thread matches above, loose matches on Subject: below --
2006-07-12 12:25 Ju, Seokmann
2006-07-12 12:25 ` Ju, Seokmann
2006-07-12  8:19 Sakurai Hiroomi
2006-07-12 13:07 ` Arjan van de Ven
2006-05-16 21:30 Ju, Seokmann
2006-05-16 21:30 ` Ju, Seokmann
2006-05-16 21:12 Ju, Seokmann
2006-05-16 21:12 ` Ju, Seokmann
2006-05-16 21:32 ` Chen, Kenneth W
2006-05-16 21:32   ` Chen, Kenneth W
2006-05-17  1:08   ` Peter Chubb
2006-05-17  1:08     ` Peter Chubb
2006-05-16 20:50 Ju, Seokmann
2006-05-16 20:50 ` Ju, Seokmann
2006-05-16 21:00 ` Chase Venters

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