netdev - kernel 3.1.1 message: <IRQ> warn_alloc

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Message-Id: <6.2.5.6.2.20111208210303.03a06228@flumedata.com>
Date:	Thu, 08 Dec 2011 21:10:02 -0500
From:	starlight@...nacle.cx
To:	linux-kernel@...r.kernel.org, netdev <netdev@...r.kernel.org>
Subject: kernel 3.1.1 message:  <IRQ> warn_alloc_failed

Hello.

FYI saw several of these when running
multiple 'rcp' commands copying multi-gigabyte
files to/from system.

'rcp' target files were all on an encrypted
mirrored USB3-attached pair of 3TB hard
drives.

One outgoing 'rcp' was to a system with
a much slower disk (due to a USB2 attachment)
and that transfer was putting back-pressure
on the connection.

Kernel is running on a CentOS 6.0
distribution.

Not subscribing to the lists, so please
CC me with any queries.  Please note that
email originating from most non-US MTAs
will bounce, but I will check the list
archives if I see any.

Can't spend a lot of time on this but am
willing to answer a few questions.  Hopefully
the call stack will tell the story well
enough.
View attachment "config_3.1.1.txt" of type "text/plain" (115814 bytes)

View attachment "dmesg_warn_alloc_failed.txt" of type "text/plain" (82373 bytes)