Re: [Xen-devel] Sixth (and final?) release candidate for Xen 3.4.3

[Jeremy Fitzhardinge <jeremy@xxxxxxxx>]

On 05/06/2010 07:13 AM, M A Young wrote:
> On Tue, 4 May 2010, Keir Fraser wrote:
>
>> Folks,
>>
>> 3.4.3-rc6 is now tagged in
>> http://xenbits.xensource.com/xen-3.4-testing.hg
>>
>> I hope that this will be the final RC before the 3.4.3 release.
>> Please test!
>
> I have another issue, though I am not sure if it is a kernel issue or
> xen. On an i686 machine I get the early crash below with a pvops
> kernel under a xen 3.4.3-rc6 hypervisor. The same machine will boot
> with a xen 4.0.0 hypervisor.

What kernel version is it?  2.6.31.x should work with a pre-3.4.3 Xen
(and post, of course).  I wouldn't expect 2.6.32.x kernel to work *at
all* on a pre-3.4.3 Xen (well, you'd get some boot messages, but no
device interrupts would work).

    J

>
>     Michael Young
>
> ...
> (XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch
> input to Xen)
> (XEN) Freed 124kB init memory.
> mapping kernel into physical memory
> Xen: setup ISA identity maps
> about to get started...
> (XEN) d0:v0: unhandled page fault (ec=0000)
> (XEN) Pagetable walk from f5c079fc:
> (XEN)  L3[0x003] = 0000000018aaf001 00000aaf
> (XEN)  L2[0x1ae] = 0000000000000000 ffffffff
> (XEN) domain_crash_sync called from entry.S (ff1b339e)
> (XEN) Domain 0 (vcpu#0) crashed on cpu#0:
> (XEN) ----[ Xen-3.4.3-rc6  x86_32p  debug=n  Not tainted ]----
> (XEN) CPU:    0
> (XEN) EIP:    e019:[<c0a117da>]

Can you map this to a function?

Thanks,
    J

> (XEN) EFLAGS: 00000286   EM: 1   CONTEXT: pv guest
> (XEN) eax: f5c079fc   ebx: 0001c7e9   ecx: 00000000   edx: 00000000
> (XEN) esi: 00000000   edi: c0975ebc   ebp: c0975ecc   esp: c0975e88
> (XEN) cr0: 8005003b   cr4: 000006f0   cr3: 18977000   cr2: f5c079fc
> (XEN) ds: e021   es: e021   fs: 00d8   gs: 00e0   ss: e021   cs: e019
> (XEN) Guest stack trace from esp=c0975e88:
> (XEN)    00000000 c0a117da 0001e019 00010086 0001c7e9 0001f740
> 00000000 0001c7ea
> (XEN)    00000000 00000000 00000000 00000000 00007ff0 00101e7f
> c0ab5f60 00000003
> (XEN)    00000000 c0975f04 c0a11a09 0001f740 00000000 00000006
> 000b0000 00000000
> (XEN)    1c7e9000 00000000 00000006 c0a46e80 00000000 c0ab5f20
> c0ab6960 c0975f18
> (XEN)    c0a14e74 00000000 c0ab4f7c c0ab4e84 c0975f98 c0a13477
> c0ac0e38 c0442d9a
> (XEN)    00000000 00000000 00000000 00000035 00000000 000000bc
> 00000000 00000000
> (XEN)    00000000 c09d7bf0 c0975fb8 c09b26bc 46db368e c09baca4
> 00000002 c09baca4
> (XEN)    00000002 00000000 00000000 c09b26bc 46db368e 00000000
> 00000000 c09b26bc
> (XEN)    46db368e 00000000 00000000 c09b26bc c0975fc0 c0a0e670
> c08bcd87 c07b4010
> (XEN)    9df85c6c 000000c2 46db368e eca287b5 c0a0e074 00cb2000
> c0975fd0 c0a0e0af
> (XEN)    00cb2000 c0a46e80 c0975ffc c0a113db 00000001 c04090a9
> 1fc99375 80000400
> (XEN)    00010809 00000f27 00000000 c2672000 00000000 00000000
> 00000000 00000000
> (XEN)    00000000 00000000 00000000 00000000 00000000 00000000
> 00000000 00000000
> (XEN)    00000000 00000000 00000000 00000000 00000000 00000000
> 00000000 00000000
> (XEN)    00000000 00000000 00000000 00000000 00000000 00000000
> 00000000 00000000
> (XEN)    00000000 00000000 00000000 00000000 00000000 00000000
> 00000000 00000000
> (XEN)    00000000 00000000 00000000 00000000 00000000 00000000
> 00000000 00000000
> (XEN)    00000000 00000000 00000000 00000000 00000000 00000000
> 00000000 00000000
> (XEN)    00000000 00000000 00000000 00000000 00000000 00000000
> 00000000 00000000
> (XEN)    00000000 00000000 00000000 00000000 00000000 00000000
> 00000000 00000000
> (XEN) Domain 0 crashed: rebooting machine in 5 seconds.
>
>
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