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xen-devel
[Xen-devel] Re: Bootup fix for _brk_end being != _end
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To: |
Daniel Kiper <dkiper@xxxxxxxxxxxx> |
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Subject: |
[Xen-devel] Re: Bootup fix for _brk_end being != _end |
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From: |
Daniel Kiper <dkiper@xxxxxxxxxxxx> |
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Date: |
Thu, 17 Mar 2011 09:51:18 +0100 |
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Cc: |
"jeremy@xxxxxxxx" <jeremy@xxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, "haicheng.li@xxxxxxxxxxxxxxx" <haicheng.li@xxxxxxxxxxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>, Dan Magenheimer <dan.magenheimer@xxxxxxxxxx>, "v.tolstov@xxxxxxxxx" <v.tolstov@xxxxxxxxx>, "dave@xxxxxxxxxxxxxxxxxx" <dave@xxxxxxxxxxxxxxxxxx>, Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>, "linux-mm@xxxxxxxxx" <linux-mm@xxxxxxxxx>, "rientjes@xxxxxxxxxx" <rientjes@xxxxxxxxxx>, "andi.kleen@xxxxxxxxx" <andi.kleen@xxxxxxxxx>, "akpm@xxxxxxxxxxxxxxxxxxxx" <akpm@xxxxxxxxxxxxxxxxxxxx>, "fengguang.wu@xxxxxxxxx" <fengguang.wu@xxxxxxxxx>, "wdauchy@xxxxxxxxx" <wdauchy@xxxxxxxxx> |
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Thu, 17 Mar 2011 01:53:51 -0700 |
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References: |
<20110308214429.GA27331@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> <alpine.DEB.2.00.1103091359290.2968@kaball-desktop> <20110315142957.GB12730@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> <20110315144821.GA11586@xxxxxxxxxxxx> <20110315153001.GD12730@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> <alpine.DEB.2.00.1103151530290.3382@kaball-desktop> <20110315154024.GA14100@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> |
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Mutt/1.3.28i |
On Tue, Mar 15, 2011 at 04:40:24PM +0100, Daniel Kiper wrote:
> On Tue, Mar 15, 2011 at 03:31:47PM +0000, Stefano Stabellini wrote:
> > On Tue, 15 Mar 2011, Daniel Kiper wrote:
> > > On Tue, Mar 15, 2011 at 10:48:21AM -0400, Konrad Rzeszutek Wilk wrote:
> > > > > > > Additionally, I suggest to apply patch prepared by Steffano
> > > > > > > Stabellini
> > > > > > > (https://lkml.org/lkml/2011/1/31/232) which fixes memory
> > > > > > > management
> > > > > > > issue in Xen guest. I was not able boot guest machine without
> > > > > > > above mentioned patch.
> > > > > >
> > > > > > after some discussions we came up with a different approach to fix
> > > > > > the
> > > > > > issue; I sent a couple of patches a little while ago:
> > > > > >
> > > > > > https://lkml.org/lkml/2011/2/28/410
> > > > >
> > > > > I tested git://xenbits.xen.org/people/sstabellini/linux-pvhvm.git
> > > > > 2.6.38-tip-fixes
> > > > > and it works on x86_64, however, it does not work on i386. Tested as
> > > > > unprivileged guest on Xen Ver. 4.1.0-rc2-pre. On i386 domain crashes
> > > > > silently at early boot stage :-(((.
> > > >
> > > > Details? Can you provide the 'xenctx' output of where it crashed?
> > >
> > > As I wrote above domain is dying and I am not able to connect to it using
> > > xenctx after crash :-(((. I do not know how to do that in another way.
> >
> > try adding:
> >
> > extra = "loglevel=9 debug earlyprintk=xenboot"
>
> (XEN) d55:v0: unhandled page fault (ec=0002)
> (XEN) Pagetable walk from 000000000000000c:
> (XEN) L4[0x000] = 000000010bebc027 0000000000024d28
> (XEN) L3[0x000] = 0000000000000000 ffffffffffffffff
> (XEN) domain_crash_sync called from entry.S
> (XEN) Domain 55 (vcpu#0) crashed on cpu#3:
> (XEN) ----[ Xen-4.1.0-rc2-pre x86_64 debug=y Not tainted ]----
> (XEN) CPU: 3
> (XEN) RIP: e019:[<00000000c1001180>]
> (XEN) RFLAGS: 0000000000000282 EM: 1 CONTEXT: pv guest
> (XEN) rax: 000000000000000c rbx: 000000000000000c rcx: 00000000c1371fd0
> (XEN) rdx: 00000000c1371fd0 rsi: 00000000c1742000 rdi: 00000000a5c03d70
> (XEN) rbp: 00000000c1371fc8 rsp: 00000000c1371fa8 r8: 0000000000000000
> (XEN) r9: 0000000000000000 r10: 0000000000000000 r11: 0000000000000000
> (XEN) r12: 0000000000000000 r13: 0000000000000000 r14: 0000000000000000
> (XEN) r15: 0000000000000000 cr0: 000000008005003b cr4: 00000000000026f4
> (XEN) cr3: 0000000129b6e000 cr2: 000000000000000c
> (XEN) ds: e021 es: e021 fs: e021 gs: e021 ss: e021 cs: e019
> (XEN) Guest stack trace from esp=c1371fa8:
> (XEN) 00000002 c1001180 0001e019 00010082 c10037af deadbeef c1742000
> a5c03d70
> (XEN) c1371fdc c13a4aa8 00000000 00000000 00000000 c1371ffc c13a3ff2
> 00000000
> (XEN) 00000000 00000000 00000000 00000000 deadbeef c1753000 013fe001
> 00000000
> (XEN) 00000000 00000000 00000000 00000000 013fe001 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) 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
Any progress ??? Can I help you in something ???
Daniel
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