From mboxrd@z Thu Jan  1 00:00:00 1970
From: Sander Eikelenboom <linux@eikelenboom.it>
Subject: Re: Crash during boot in Debian lenny default dom0 kernel
	(2.6.26-2-xen-686)
Date: Wed, 24 Feb 2010 20:08:10 +0100
Message-ID: <25841307.20100224200810@eikelenboom.it>
References: <de76405a1002241047w4d138abbjc872c371c0e742ed@mail.gmail.com>
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To: George Dunlap <George.Dunlap@eu.citrix.com>
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=0D=0AWasn't pci=3Dnomsi required for those kernels ?


Wednesday, February 24, 2010, 7:47:09 PM, you wrote:

> I recenty tried to boot my Debian lenny distro on a newer Intel
> Nehalem box using Debian Lenny's default xen kernel
> (2.6.26-2-xen-686), and it crashed during boot.  Full log attached,
> but the key info is here:

> I tried doing a "binary search" to see where this was introduced, but
> it fails the same way all the way back to c/s 20000.

> The same kernel/hypervisor combination boots fine on a different box I ha=
ve.

>  -George

> (XEN) ----[ Xen-4.0.0-rc4  x86_64  debug=3Dn  Tainted:    C ]----
> (XEN) CPU:    15
> (XEN) RIP:    e008:[<ffff82c4801535a9>] pci_enable_msi+0x4c9/0x580
> (XEN) RFLAGS: 0000000000010282   CONTEXT: hypervisor
> (XEN) rax: ffff82c3ffeb6141   rbx: 0000000000000000   rcx: ffff830828b0e6=
90
> (XEN) rdx: ffff830828b0e718   rsi: ffff8300bf6975b0   rdi: ffff830828b0e6=
e0
> (XEN) rbp: ffff83082cd7fec8   rsp: ffff83082cd7fd88   r8:  00000000000000=
05
> (XEN) r9:  ffff830828b0e700   r10: 00000000000000a8   r11: 00000000000000=
40
> (XEN) r12: ffff830828b0e710   r13: ffff830828b0e670   r14: ffff83082cd7fe=
38
> (XEN) r15: 0000000000000000   cr0: 000000008005003b   cr4: 00000000000026=
f0
> (XEN) cr3: 000000043fdcf000   cr2: ffff82c3ffeb614d
> (XEN) ds: 007b   es: 007b   fs: 00d8   gs: 0000   ss: 0000   cs: e008
> (XEN) Xen stack trace from rsp=3Dffff83082cd7fd88:
> (XEN)    0000000000000246 ffff830828b0e6e0 0000000080000000 0000000100000=
000
> (XEN)    3408000000000000 0000000200000000 000f5861e4a00100 0000000000000=
141
> (XEN)    ffff83082cd71ec8 ffff83082cd7fec8 0000000000000136 ffff83082cd60=
000
> (XEN)    0000000000000038 00000000ffffffed 0000000000000000 ffff82c480154=
832
> (XEN)    00000000000004d8 0000000000000038 00000000000000e0 ffff83083fd81=
c80
> (XEN)    ffff830828b0e670 00000000f5861e0c 0000000000000000 ffff83082cd60=
000
> (XEN)    ffff83082cd400f0 00000000f5861e0c 0000000000000136 0000000000000=
038
> (XEN)    ffff83082cd7fec8 ffff82c4801ede5f 7265646e776f206f ffff82c48024c=
080
> (XEN)    ffff83082cd60180 ffff83082cd7fe98 0000000000007ff0 fffffffffffff=
fff
> (XEN)    0000000800000000 0000000100000000 ffff8308f5861e4a ffff82c4802ea=
a80
> (XEN)    0000000800000000 0000000000000038 f5861e4a00000001 0000000000000=
00f
> (XEN)    ffffffffffffffff ffff8300bf2e8000 0000000000000035 0000000000000=
000
> (XEN)    0000000000000000 0000000000000000 0000000000000000 ffff82c4801ef=
863
> (XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000=
000
> (XEN)    0000000000000035 000000000000000d 0000000000000000 0000000000000=
000
> (XEN)    0000000000000000 0000000000000000 0000000000000021 00000000f5861=
e0c
> (XEN)    00000000c033741f 00000000ffffffff 0000000000000000 0000010000000=
000
> (XEN)    00000000c0101427 0000000000000061 0000000000000286 00000000f5861=
e08
> (XEN)    0000000000000069 0000000000000000 0000000000000000 0000000000000=
000
> (XEN)    0000000000000000 000000000000000f ffff8300bf2e8000
> (XEN) Xen call trace:
> (XEN)    [<ffff82c4801535a9>] pci_enable_msi+0x4c9/0x580
> (XEN)    [<ffff82c480154832>] map_domain_pirq+0x242/0x2f0
> (XEN)    [<ffff82c4801ede5f>] compat_physdev_op+0xc8f/0x1010
> (XEN)    [<ffff82c4801ef863>] compat_hypercall+0x83/0x90
> (XEN)
> (XEN) Pagetable walk from ffff82c3ffeb614d:
> (XEN)  L4[0x105] =3D 00000000bf4e2027 5555555555555555
> (XEN)  L3[0x10f] =3D 00000000bf698063 5555555555555555
> (XEN)  L2[0x1ff] =3D 00000000bf697063 5555555555555555
> (XEN)  L1[0x0b6] =3D f5861e4a00100173 ffffffffffffffff
> (XEN)
> (XEN) ****************************************
> (XEN) Panic on CPU 15:
> (XEN) FATAL PAGE FAULT
> (XEN) [error_code=3D000b]
> (XEN) Faulting linear address: ffff82c3ffeb614d
> (XEN) ****************************************



--=20
Best regards,
 Sander                            mailto:linux@eikelenboom.it