linux-kernel - Re: mthca double free irqs

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Message-ID: <adak53h1q29.fsf@cisco.com>
Date:	Fri, 12 Jun 2009 07:31:42 -0700
From:	Roland Dreier <rdreier@...co.com>
To:	Yinghai Lu <yhlu.kernel@...il.com>
Cc:	"Barnes\, Jesse" <jesse.barnes@...el.com>,
	Matthew Wilcox <matthew@....cx>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>, general@...ts.openfabrics.org,
	linux-kernel@...r.kernel.org
Subject: Re: mthca double free irqs

Thanks, will take a look.  It does seem this is on an error path:

 > [  606.818317] ib_mthca 0000:c4:00.0: NOP command failed to generate
 > interrupt (IRQ 98), aborting.
 > [  606.826709] ib_mthca 0000:c4:00.0: BIOS or ACPI interrupt routing problem?

So your system already had problems -- the driver didn't get an
expected interrupt from the device.

 - R.
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