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From: ZhouPeng <zpengxen@gmail.com>
To: "Pasi Kärkkäinen" <pasik@iki.fi>,
	stephen.spector@citrix.com, keir.fraser@eu.citrix.com
Cc: "Xen-Devel (E-mail)" <xen-devel@lists.xensource.com>
Subject: Re: Re: Panic on cpu0
Date: Thu, 16 Dec 2010 17:30:24 +0800	[thread overview]
Message-ID: <AANLkTi=mLQzJkJ08DxMHDXWrLxyH++BymrTNPP-F9zba@mail.gmail.com> (raw)
In-Reply-To: <20101216075912.GG2754@reaktio.net>


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The err msg appears in
void *map_domain_page(unsigned long mfn)
      BUG_ON(idx >= MAPCACHE_ENTRIES);

printk idx is 1024 and BUG_ON is called.

I print  Xen call trace msg:

[<ffcd3c2>]  map_domain_page+0x1a2/0x230
[<ff1cd718>] unmap_domain_page+0x148/0x160
                   addr_to_dma_page_maddr+0x1f6/0x250
                   __find_next_zero_bit+0x80/0x90
                   intel_iommu_map_page+0x14a/0x250
                   domain_context_mapping+0x14a/0x250
                   rmrr_identity_mapping+0xb7/0x120
                   intel_iommu_dom0_init+0x143/0x1eb
                   construct_dom0+0x138f/0x16b0
                   __start_xen+0x109a/0x1680
                   e820nf+0x0/0x4
                   __high_start+0x58/0x5a

2010/12/16 Pasi Kärkkäinen <pasik@iki.fi>

> On Thu, Dec 16, 2010 at 03:41:17PM +0800, ZhouPeng wrote:
> >    (XEN) Panic on CPU 0:
> >    (XEN) Xen BUG at domain_page.c:102
> >
> >    Any solutions?
> >
>
> You need to post the full boot log, including all output from both Xen and
> dom0 Linux.
> See: http://wiki.xen.org/xenwiki/XenSerialConsole
>
> -- Pasi
>
> >    2010/12/16 ZhouPeng <[1]zpengxen@gmail.com>
> >
> >      Hi all,
> >
> >      I build xen4.1 from the tarbll (with kernel 2.6.32.26 downloaded by
> >      default) on fedora8.
> >
> >      After installing, I get the err msg on startup:
> >
> >      (XEN) Panic on CPU 0:
> >      (XEN) Xen BUG at domain_page.c:102
> >
> >      5 seconds later, the machine reboot.
> >
> >      How to deal with this problem.
> >
> >      Thanks,
> >      --
> >      Zhou Peng
> >      My daily E-Mail: [2]ailvpeng25@gmail.com
> >
> >    --
> >    Zhou Peng
> >    My daily E-Mail: [3]ailvpeng25@gmail.com
> >
> > References
> >
> >    Visible links
> >    1. mailto:zpengxen@gmail.com
> >    2. mailto:ailvpeng25@gmail.com
> >    3. mailto:ailvpeng25@gmail.com
>
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@lists.xensource.com
> > http://lists.xensource.com/xen-devel
>
>


-- 
Zhou Peng
My daily E-Mail: ailvpeng25@gmail.com

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  reply	other threads:[~2010-12-16  9:30 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-12-16  6:40 Panic on cpu0 ZhouPeng
2010-12-16  7:41 ` ZhouPeng
2010-12-16  7:59   ` Pasi Kärkkäinen
2010-12-16  9:30     ` ZhouPeng [this message]
2010-12-16  9:41       ` ZhouPeng
2010-12-16 10:36         ` Keir Fraser
2010-12-16 11:24           ` ZhouPeng
2010-12-16 11:43             ` Pasi Kärkkäinen
2010-12-16 15:25               ` ZhouPeng
2010-12-16 15:34                 ` Pasi Kärkkäinen
2010-12-16 15:46                   ` Jan Beulich
2011-01-05 13:37                     ` Stefano Stabellini
2011-01-05 13:57                       ` Ian Campbell
2011-01-07  7:24                         ` ZhouPeng
2011-01-07  9:00                           ` Ian Campbell
2011-01-07  9:24                             ` Pasi Kärkkäinen
2010-12-16 11:47             ` Keir Fraser
2010-12-16 11:52               ` Pasi Kärkkäinen
2010-12-16 15:20               ` ZhouPeng
2010-12-16 11:47       ` Jan Beulich
2010-12-16 15:18         ` ZhouPeng

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