From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeremy Fitzhardinge <jeremy@goop.org>
Subject: Re: Oops: 0000 [#1] SMP - Xen 3.4.1, Linux 2.6.31, Fedora
	11
Date: Wed, 16 Sep 2009 19:41:36 -0700
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To: Nathan Stratton <nathan@robotics.net>
Cc: "Jiang, Yunhong" <yunhong.jiang@intel.com>, "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
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On 09/16/09 16:58, Nathan Stratton wrote:
> On Wed, 16 Sep 2009, Jeremy Fitzhardinge wrote:
>
>> On 09/15/09 20:11, Jiang, Yunhong wrote:
>>> The real reason is the UHCI DMA error and maybe caused by swiotlb.
>>>
>>> I'm not sure if following patch is in your code or not.
>>>
>>> http://article.gmane.org/gmane.comp.emulators.xen.devel/71324
>>
>> I've committed this change now.
>
> Hmm, now I get a new crash:
>
> [    0.160975]     (start_freq - end_freq @ bandwidth),
> (max_antenna_gain, max_eirp)
> [    0.160975]     (2402000 KHz - 2472000 KHz @ 40000 KHz), (600 mBi,
> 2700 mBm)
> [    0.160975]     (5170000 KHz - 5190000 KHz @ 40000 KHz), (600 mBi,
> 2300 mBm)
> [    0.160975]     (5190000 KHz - 5210000 KHz @ 40000 KHz), (600 mBi,
> 2300 mBm)
> [    0.160975]     (5210000 KHz - 5230000 KHz @ 40000 KHz), (600 mBi,
> 2300 mBm)
> [    0.160975]     (5230000 KHz - 5330000 KHz @ 40000 KHz), (600 mBi,
> 2300 mBm)
> [    0.160975]     (5735000 KHz - 5835000 KHz @ 40000 KHz), (600 mBi,
> 3000 mBm)
> [    0.160984] cfg80211: Calling CRDA for country: US
> [    0.161985] NetLabel: Initializing
> [    0.162975] NetLabel:  domain hash size = 128
> [    0.162975] NetLabel:  protocols = UNLABELED CIPSOv4
> [    0.162993] NetLabel:  unlabeled traffic allowed by default
> [    0.164006] PCI-DMA: Using Xen software bounce buffering for IO
> (Xen-SWIOTLB)
> [    0.164974] ------------[ cut here ]------------
> [    0.164974] WARNING: at mm/bootmem.c:541
> alloc_arch_preferred_bootmem+0x33/0x52()

I committed a fix for this a couple of hours ago.  Update and try again.

Thanks,
    J