From: Roland Dreier <rdreier@cisco.com>
To: Christoph Lameter <cl@linux-foundation.org>
Cc: netdev@vger.kernel.org, Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Subject: Re: mlx4 2.6.31-rc5: SW2HW_EQ failed.
Date: Wed, 19 Aug 2009 08:29:10 -0700 [thread overview]
Message-ID: <adaeir7256h.fsf@cisco.com> (raw)
In-Reply-To: <alpine.DEB.1.10.0908190743410.5621@gentwo.org> (Christoph Lameter's message of "Wed, 19 Aug 2009 07:46:26 -0400 (EDT)")
> Correct. My Dell R620 may have some weird ACPI info.
>
> SMP: Allowing 32 CPUs, 16 hotplug CPUs
>
> although the box does not have any slots for "hotplugging".
I guess you could try booting with "possible_cpus=16" and see how that
affects things...
> The patch does not fix the issue so far. We are having various hangs and
> are trying to figure out what is gong on.
Sounds like the patch lets you get farther? What kind of hangs do you
get? Still mlx4-related?
> We ran an old 2.6.26 debian kernel on this and it worked fine.
The change to mlx4 to use multiple completion interrupts went in around
2.6.29 I think. So that sort of explains why things would work with 2.6.26.
- R.
next prev parent reply other threads:[~2009-08-19 15:38 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-17 19:26 mlx4 2.6.31-rc5: SW2HW_EQ failed Christoph Lameter
2009-08-17 22:04 ` Roland Dreier
2009-08-17 22:17 ` Christoph Lameter
2009-08-18 1:28 ` Roland Dreier
2009-08-18 15:50 ` Christoph Lameter
2009-08-18 16:56 ` Roland Dreier
2009-08-19 7:03 ` Roland Dreier
2009-08-19 11:46 ` Christoph Lameter
2009-08-19 15:29 ` Roland Dreier [this message]
2009-08-19 15:47 ` Christoph Lameter
2009-08-19 19:46 ` Roland Dreier
2009-08-19 19:58 ` Christoph Lameter
2009-08-19 21:42 ` Roland Dreier
2009-08-19 16:29 ` Christoph Lameter
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