From: Jean Delvare <khali-PUYAD+kWke1g9hUCZPvPmw@public.gmane.org>
To: Robert Norris <robn-4vTceeIZeJ0AvxtiuMwx3w@public.gmane.org>
Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Linux I2C <linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: PROBLEM: modprobe hang at startup (3.8.x, 3.9.x, IBM x3550)
Date: Fri, 17 May 2013 10:49:28 +0200 [thread overview]
Message-ID: <20130517104928.5b135a4f@endymion.delvare> (raw)
In-Reply-To: <20130516034455.GA19452-IBYGJlK4DBpn1Ubwjl4+/VPmBPO9Xwsk@public.gmane.org>
On Thu, 16 May 2013 13:44:55 +1000, Robert Norris wrote:
> > Then do a simple read from a random address
> > with:
> > # i2cget 4 0x50 0x00
> > (Adjust the bus number as needed.)
> > I am curious if this will hang as well or only when accessing the
> > clock chip at address 0x69.
>
> Yep, that one hangs. The hung task handler picked it up after a few
> minutes.
Hmm, can you please dump the PCI configuration space of the SMBus
controller?
# /sbin/lspci -s 00:1f.3 -xxx
It might be that you have interrupts routed to SMI# instead of the
regular IRQ line. The driver is supposed to disable interrupt support
in that case, but I have never tested it.
Thanks,
--
Jean Delvare
next prev parent reply other threads:[~2013-05-17 8:49 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1368408152.29197.140661229821177.2C1CC406@webmail.messagingengine.com>
[not found] ` <20130514231626.GA12961@pyro.melbourne.osa>
[not found] ` <20130514231626.GA12961-IBYGJlK4DBpn1Ubwjl4+/VPmBPO9Xwsk@public.gmane.org>
2013-05-15 9:20 ` PROBLEM: modprobe hang at startup (3.8.x, 3.9.x, IBM x3550) Jean Delvare
[not found] ` <20130515112044.753bb7bb-R0o5gVi9kd7kN2dkZ6Wm7A@public.gmane.org>
2013-05-15 11:27 ` Robert Norris
[not found] ` <20130515112741.GA23766-IBYGJlK4DBpn1Ubwjl4+/VPmBPO9Xwsk@public.gmane.org>
2013-05-15 19:49 ` Jean Delvare
[not found] ` <20130515214923.036dabdb-R0o5gVi9kd7kN2dkZ6Wm7A@public.gmane.org>
2013-05-16 3:44 ` Robert Norris
[not found] ` <20130516034455.GA19452-IBYGJlK4DBpn1Ubwjl4+/VPmBPO9Xwsk@public.gmane.org>
2013-05-17 8:36 ` Jean Delvare
[not found] ` <20130517103622.5000d277-R0o5gVi9kd7kN2dkZ6Wm7A@public.gmane.org>
2013-05-17 9:22 ` Martin Mokrejs
[not found] ` <5195F6C9.5050200-08dBlVkRsZWoiTQjSSYKZesEoJ4y9sgM@public.gmane.org>
2013-05-17 9:47 ` Jean Delvare
2013-05-17 9:54 ` Daniel Kurtz
[not found] ` <CAGS+omA84dm8QxJS0vdrYkvD0YXshRh4EkQfqVpbwvNVH+HxQg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-05-17 10:26 ` Robert Norris
2013-05-17 10:24 ` Robert Norris
2013-05-17 12:18 ` Robert Norris
2013-05-17 8:49 ` Jean Delvare [this message]
[not found] ` <20130517104928.5b135a4f-R0o5gVi9kd7kN2dkZ6Wm7A@public.gmane.org>
2013-05-17 10:27 ` Robert Norris
[not found] ` <20130517102706.GC28229-IBYGJlK4DBpn1Ubwjl4+/VPmBPO9Xwsk@public.gmane.org>
2013-05-17 10:56 ` Jean Delvare
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