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Re: [Xen-devel] Re: PV-on-HVM live migration problem


  • To: v.tolstov@xxxxxxxxx
  • From: Todd Deshane <todd.deshane@xxxxxxx>
  • Date: Tue, 7 Dec 2010 12:51:16 -0500
  • Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Christian Zoffoli <czoffoli@xxxxxxxxxxx>, Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
  • Delivery-date: Tue, 07 Dec 2010 09:52:29 -0800
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On Thu, Dec 2, 2010 at 10:04 AM, Vasiliy G Tolstov <v.tolstov@xxxxxxxxx> wrote:
> On Thu, 2010-12-02 at 13:56 +0000, Stefano Stabellini wrote:
>> On Wed, 1 Dec 2010, Vasiliy G Tolstov wrote:
>> > On Wed, 2010-12-01 at 19:16 +0000, Stefano Stabellini wrote:
>> > > On Wed, 17 Nov 2010, Christian Zoffoli wrote:
>> > > > Hi to all,
>> > > > I'm working on a 2.6.32 kernel with pv-on-hvm from Stabellini's tree
>> > > > ...performance are great but I've some problems on the live migration.
>> > > >
>> >
>> > Can You provide git branch and address to clone? I want to test it too
>> > =)
>> >
>>
>> Sure:
>>
>> git://xenbits.xen.org/people/sstabellini/linux-pvhvm.git 2.6.32-pvhvm
>>
>
> Can Somebody provide working kernel config file to this version? I'm not
> able to run any pvhvm domains.
> My config in attached file
>
> All of it crushed with log:
> (XEN) d8:v0: unhandled page fault (ec=0000)
> (XEN) Pagetable walk from 0000000000000000:
> (XEN)  L4[0x000] = 0000000000000000 ffffffffffffffff
> (XEN) domain_crash_sync called from entry.S
> (XEN) Domain 8 (vcpu#0) crashed on cpu#15:
> (XEN) ----[ Xen-4.0.0_21091_06-0.2.1  x86_64  debug=n  Not tainted ]----
> (XEN) CPU:    15
> (XEN) RIP:    e033:[<ffffffff810b95d9>]
> (XEN) RFLAGS: 0000000000000246   EM: 1   CONTEXT: pv guest
> (XEN) rax: 0000000000000000   rbx: 0000000000008000   rcx:
> fffffffffffffffb
> (XEN) rdx: ffffffff819b3000   rsi: 00000000000080d0   rdi:
> ffffffff81587be0
> (XEN) rbp: ffffffff81503d98   rsp: ffffffff81503d10   r8:
> 0000000000000000
> (XEN) r9:  0000000000000020   r10: 0000000000000000   r11:
> 0000000000000000
> (XEN) r12: 0000000000000000   r13: ffffffff8162a111   r14:
> ffffffff8162a100
> (XEN) r15: ffffffff812f47e8   cr0: 000000008005003b   cr4:
> 00000000000026f0
> (XEN) cr3: 0000000838b03000   cr2: 0000000000000000
> (XEN) ds: 0000   es: 0000   fs: 0000   gs: 0000   ss: e02b   cs: e033
> (XEN) Guest stack trace from rsp=ffffffff81503d10:
> (XEN)    fffffffffffffffb 0000000000000000 0000000000000000
> ffffffff810b95d9
> (XEN)    000000010000e030 0000000000010046 ffffffff81503d58
> 000000000000e02b
> (XEN)    ffffffff810b95c0 0000000000000400 ffffffff81587be0
> 0000000000000000
> (XEN)    0000000000000000 0000000000000000 ffffffff8162a111
> ffffffff8162a100
> (XEN)    ffffffff8162a105 ffffffff81503db8 ffffffff812f47e8
> ffffffff81503dc7
> (XEN)    ffffffff815bd0f0 ffffffff81503df8 ffffffff810429da
> ffffffff8162a0f8
> (XEN)    ffffffff8162a111 0000000000000000 ffffffff8162a111
> ffffffff8162a111
> (XEN)    ffffffff8162a105 ffffffff81503e08 ffffffff81024aa5
> ffffffff81503e28
> (XEN)    ffffffff81608334 ffffffff81660f00 ffffffff8162a105
> ffffffff81503e58
> (XEN)    ffffffff815f972d ffffffff81486d20 ffffffff8162a115
> 0000000000000000
> (XEN)    00000000fffffffe ffffffff81503eb8 ffffffff81052f1c
> 0000000081503d10
> (XEN)    0000000000000000 ffffffff81486d97 ffffffff815f96d0
> ffffffff81503eb8
> (XEN)    ffffffff816298d0 0000000000000000 ffffffff81503f80
> ffffffffffffffff
> (XEN)    0000000000000000 ffffffff81503ec8 ffffffff815f97bc
> ffffffff81503ed8
> (XEN)    ffffffff815f97ef ffffffff81503f68 ffffffff815fcaa1
> 0000000000000000
> (XEN)    0000000000000000 ffffffffffffffff 0000000000000000
> ffffffff81503f68
> (XEN)    ffffffff813bce9a ffffffff00000010 ffffffff81503f78
> ffffffff81503f38
> (XEN)    ffffffff8105dc7f ffffffffffffffff ffffffff816298d0
> 0000000000000000
> (XEN)    0000000000000000 ffffffffffffffff 0000000000000000
> ffffffff81503fa8
> (XEN)    ffffffff815f988c ffffffff81503fa8 ffffffff8162bdf0
> 0000000001791ab0
> (XEN) cpupool_rm_domain(dom=8,pool=0) n_dom 1
> (XEN) mm.c:2562:d0 Unknown domain '8'
> (XEN) mm.c:2562:d0 Unknown domain '8'
> (XEN) mm.c:2562:d0 Unknown domain '8'
> (XEN) mm.c:2562:d0 Unknown domain '8'

Maybe worth taking a closer look at the information on and linked to
on this page:
http://wiki.xensource.com/xenwiki/XenLinuxPVonHVMdrivers

Hope that helps.

Thanks,
Todd


-- 
Todd Deshane
http://todddeshane.net
http://runningxen.com

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