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Re: [Xen-devel] Crash during boot in Debian lenny default dom0 kernel (2.6.26-2-xen-686)


  • To: Jan Beulich <JBeulich@xxxxxxxxxx>
  • From: George Dunlap <George.Dunlap@xxxxxxxxxxxxx>
  • Date: Thu, 25 Feb 2010 11:46:21 +0000
  • Cc: Sander Eikelenboom <linux@xxxxxxxxxxxxxx>, Yunhong Jiang <yunhong.jiang@xxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • Delivery-date: Thu, 25 Feb 2010 03:47:21 -0800
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I'm looking at the debian source package for this kernel to see if I
can sort out where it got the header from.

Given that this is already in a major distribution, is there any way
we can fail gracefully if someone's running this kernel?  I'm not
familiar enough with the MSI to know if this is possible, or what a
good set of "sanity checks" would be for failing the hypercall.

 -George

On Thu, Feb 25, 2010 at 10:56 AM, Jan Beulich <JBeulich@xxxxxxxxxx> wrote:
>>>> George Dunlap <George.Dunlap@xxxxxxxxxxxxx> 25.02.10 11:48 >>>
>>Is it possible that there's actually a bug in the compat code, and
>>that table_base actually *was* set to (uint32_t)1?  If a reasonable
>>number for table_base is "1", giving it 64 bits in the structure would
>>seem a bit like overkill...
>
> "1" definitely is not a reasonable value here. And it's also not the
> compat code I'm sure - it is the kernel using a bad structure definition.
>
> Jan
>
>
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