Trying to boot a dom0 enabled kernel fails with the following output:
(XEN) ----[ Xen-4.1.2 x86_64 debug=n Not tainted ]----
(XEN) CPU: 0
(XEN) RIP: e008:[<ffff82c4801fbe16>] pci_mmcfg_read+0x86/0xc0
(XEN) RFLAGS: 0000000000010286 CONTEXT: hypervisor
(XEN) rax: ffff808001e00100 rbx: 0000000000000100 rcx: 0000000000000000
(XEN) rdx: 0000000001400000 rsi: 0000000001400000 rdi: 0000000000000000
(XEN) rbp: 0000000000000004 rsp: ffff82c48027fd78 r8: 000000000000001d
(XEN) r9: 000000000000000a r10: 0000000000000001 r11: 0000000000000246
(XEN) r12: ffff82c48027fda4 r13: 0000000000000014 r14: 0000000000000000
(XEN) r15: 0000000000000010 cr0: 000000008005003b cr4: 00000000000026f0
(XEN) cr3: 000000042dc05000 cr2: ffff808001e00100
(XEN) ds: 0000 es: 0000 fs: 0000 gs: 0000 ss: e010 cs: e008
(XEN) Xen stack trace from rsp=ffff82c48027fd78:
(XEN) 0000000000000000 0000000000000014 0000000000000000 ffff82c4801fb722
(XEN) 00000000000000f8 ffff82c48021c4e2 0000000000000000 ffff82c4801fbf3b
(XEN) 0000000000000014 ffff830414bf1d10 0000000000000014 00000000fffffff4
(XEN) ffff82c48021c4e2 0000000000000000 0000000000000000 ffff82c48013c2d8
(XEN) ffff8300bff44000 ffffffff8135ce47 0000000000000000 ffff82c400000000
(XEN) ffffffff8135ce47 ffff82c48017bfe0 ffff82c480122c0b ffff88001160db30
(XEN) ffff88001160db60 ffff8300bff44000 fffffffffffffff2 0000000000000000
(XEN) 0000000000000000 ffff82c480171551 0000000000000000 0000000000000008
(XEN) ffff8300bff40014 0000000200000000 82c4801f67d0b948 c390ee90d1ffffff
(XEN) ffff88001160d898 ffff82c4801fa566 ffffffffffffffff 0000000000000000
(XEN) 0000000000002e43 0000000000000000 ffffffff8137e7ee 00a0fb000000e030
(XEN) 0000000000000297 ffff8300bff44000 ffff88001160db60 0000000000000000
(XEN) 00000000ffffffff 0000000000000000 0000000000000000 ffff82c4801f6038
(XEN) 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
(XEN) ffff88001160db60 ffff880011747090 0000000000000246 ffff8800117577e0
(XEN) 0000000000000380 0000000000000000 0000000000000021 ffffffff8100142a
(XEN) 0000000000000014 ffff88001160db30 000000000000000f 0000010000000000
(XEN) ffffffff8100142a 000000000000e033 0000000000000246 ffff88001160db18
(XEN) 000000000000e02b 0000000000000000 0000000000000000 0000000000000000
(XEN) 0000000000000000 0000000000000000 ffff8300bff44000 0000000000000000
(XEN) Xen call trace:
(XEN) [<ffff82c4801fbe16>] pci_mmcfg_read+0x86/0xc0
(XEN) [<ffff82c4801fb722>] pci_conf_read32+0x72/0x90
(XEN) [<ffff82c4801fbf3b>] pci_find_ext_capability+0x3b/0xd0
(XEN) [<ffff82c48013c2d8>] pci_add_device+0x188/0x430
(XEN) [<ffff82c48017bfe0>] do_general_protection+0xa80/0x2d20
(XEN) [<ffff82c480122c0b>] add_entry+0x4b/0xb0
(XEN) [<ffff82c480171551>] do_physdev_op+0x891/0x1380
(XEN) [<ffff82c4801fa566>] do_iret+0xb6/0x1a0
(XEN) [<ffff82c4801f6038>] syscall_enter+0x88/0x8d
(XEN)
(XEN) Pagetable walk from ffff808001e00100:
(XEN) L4[0x101] = 000000043c23d063 5555555555555555
(XEN) L3[0x000] = 000000043c23c063 5555555555555555
(XEN) L2[0x00f] = 0000000000000000 ffffffffffffffff
(XEN)
(XEN) ****************************************
(XEN) Panic on CPU 0:
(XEN) FATAL PAGE FAULT
(XEN) [error_code=0000]
(XEN) Faulting linear address: ffff808001e00100
(XEN) ****************************************
(XEN)
(XEN) Manual reset required ('noreboot' specified)
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-server 3.2.0.23.25
ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
Uname: Linux 3.2.0-23-generic x86_64
AlsaDevices:
total 0
crw-rw---T 1 root audio 116, 1 ago 1 14:27 seq
crw-rw---T 1 root audio 116, 33 ago 1 14:27 timer
AplayDevices: Error: [Errno 2] No such file or directory
ApportVersion: 2.0.1-0ubuntu12
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
CRDA: Error: [Errno 2] No such file or directory
CurrentDmesg: [ 22.944011] br0: no IPv6 routers present
Date: Wed Aug 1 14:30:15 2012
HibernationDevice: RESUME=UUID=3898c467-e2de-4e04-ab88-361ce686725a
InstallationMedia: Ubuntu-Server 12.04 LTS "Precise Pangolin" - Release amd64 (20120424.1)
Lsusb:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 002: ID 04b3:4001 IBM Corp.
Bus 002 Device 002: ID 046d:c312 Logitech, Inc. DeLuxe 250 Keyboard
MachineType: IBM IBM x3850-[88644RG]-
PciMultimedia:
ProcEnviron:
LANGUAGE=it_IT:
TERM=screen
LANG=it_IT.UTF-8
SHELL=/bin/bash
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.2.0-23-generic root=/dev/mapper/VGmain-LVroot ro
RelatedPackageVersions:
linux-restricted-modules-3.2.0-23-generic N/A
linux-backports-modules-3.2.0-23-generic N/A
linux-firmware 1.79
RfKill: Error: [Errno 2] No such file or directory
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/12/2008
dmi.bios.vendor: IBM
dmi.bios.version: -[ZSE122AUS-1.05]-
dmi.board.name: Node1 Processor Card
dmi.board.vendor: IBM
dmi.chassis.type: 17
dmi.chassis.vendor: IBM
dmi.modalias: dmi:bvnIBM:bvr-[ZSE122AUS-1.05]-:bd03/12/2008:svnIBM:pnIBMx3850-[88644RG]-:pvr:rvnIBM:rnNode1ProcessorCard:rvr:cvnIBM:ct17:cvr:
dmi.product.name: IBM x3850-[88644RG]-
dmi.sys.vendor: IBM
We have noted that there is a newer version of the kernel than the one you last tested when this issue was found. Please test again with the newer kernel and indicate in the bug if this issue still exists or not.
You can update to the latest kernel for this release by simply running the following commands in a terminal window:
sudo apt-get update
sudo apt-get install linux
If the bug still exists, change the bug status from Incomplete to Confirmed. If the bug no longer exists, change the bug status from Incomplete to Fix Released.