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xen-bugs
[Xen-bugs] [Bug 661] New: Can't boot a 32bit PAE guest on 64bit hypervis
http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=661
Summary: Can't boot a 32bit PAE guest on 64bit hypervisor
__hvm_bug at vmx.c:2284
Product: Xen
Version: unstable
Platform: x86-64
OS/Version: Linux-2.6
Status: NEW
Severity: critical
Priority: P2
Component: HVM
AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
ReportedBy: esmith@xxxxxxxxxxxxxxx
I see this bug everytime when booting a fully virtalized 32bit SMP guest (PAE)
on a 64bit hypervisor.
Test Configuration:
Dell Precision WorkStation 380, Dual Core, 2GB, 3 SATA (Intel VT)
64bit XEN Hypervisor on a RHEL4U2 64bit root (/dev/sda)
32bit fully virtualized (HVM) guest RHEL4U2 256MB (/dev/sdb)
pae=1, acpi=1, apic=1
kernargs (noapic with >1 VCPU & SMP kernel)
Red Hat Enterprise Linux ES release 4 (Nahant Update 2)
Kernel 2.6.16.13-xen on an x86_64
tst177 login: root
Password:
Last login: Tue May 30 07:43:44 from 10.1.2.13
You have new mail.
[root@tst177 ~]# xm info
host : tst177
release : 2.6.16.13-xen
version : #1 SMP Sat May 27 01:40:11 EDT 2006
machine : x86_64
nr_cpus : 1
nr_nodes : 1
sockets_per_node : 1
cores_per_socket : 1
threads_per_core : 1
cpu_mhz : 2793
hw_caps :
bfebfbff:20100800:00000000:00000180:0000e43d:00000000:00000001
total_memory : 2047
free_memory : 131
xen_major : 3
xen_minor : 0
xen_extra : -unstable
xen_caps : xen-3.0-x86_64 hvm-3.0-x86_32 hvm-3.0-x86_32p
hvm-3.0-x86_64
platform_params : virt_start=0xffff800000000000
xen_changeset : Fri May 26 17:22:30 2006 +0100 10173:954f4dea9da6
cc_compiler : gcc version 4.0.0 20050519 (Red Hat 4.0.0-8)
cc_compile_by : build
cc_compile_domain : katana-technology.com
cc_compile_date : Sat May 27 00:48:47 EDT 2006
[root@tst177 ~]# xm list
Name ID Mem(MiB) VCPUs State Time(s)
Domain-0 0 1877 1 r----- 32.5
[root@tst177 ~]# ip_tables: (C) 2000-2006 Netfilter Core Team
(XEN) (GUEST: 1) HVM Loader
(XEN) (GUEST: 1) Loading ROMBIOS ...
(XEN) (GUEST: 1) Loading Cirrus VGABIOS ...
(XEN) (GUEST: 1) Loading ACPI ...
(XEN) (GUEST: 1) Loading VMXAssist ...
(XEN) (GUEST: 1) VMX go ...
(XEN) (GUEST: 1) VMXAssist (May 27 2006)
(XEN) (GUEST: 1) Memory size 256 MB
(XEN) (GUEST: 1) E820 map:
(XEN) (GUEST: 1) 0000000000000000 - 000000000009F800 (RAM)
(XEN) (GUEST: 1) 000000000009F800 - 00000000000A0000 (Reserved)
(XEN) (GUEST: 1) 00000000000A0000 - 00000000000C0000 (Type 16)
(XEN) (GUEST: 1) 00000000000F0000 - 0000000000100000 (Reserved)
(XEN) (GUEST: 1) 0000000000100000 - 000000000FFFE000 (RAM)
(XEN) (GUEST: 1) 000000000FFFE000 - 000000000FFFF000 (Type 18)
(XEN) (GUEST: 1) 000000000FFFF000 - 0000000010000000 (Type 17)
(XEN) (GUEST: 1) 0000000010000000 - 0000000010003000 (ACPI NVS)
(XEN) (GUEST: 1) 0000000010003000 - 000000001000D000 (ACPI Data)
(XEN) (GUEST: 1) 00000000FEC00000 - 0000000100000000 (Type 16)
(XEN) (GUEST: 1)
(XEN) (GUEST: 1) Start BIOS ...
(XEN) (GUEST: 1) Starting emulated 16-bit real-mode: ip=F000:FFF0
(XEN) (GUEST: 1) rombios.c,v 1.138 2005/05/07 15:55:26 vruppert Exp $
(XEN) (GUEST: 1) Remapping master: ICW2 0x8 -> 0x20
(XEN) (GUEST: 1) Remapping slave: ICW2 0x70 -> 0x28
(XEN) (GUEST: 1) VGABios $Id: vgabios.c,v 1.61 2005/05/24 16:50:50 vruppert Exp
$
(XEN) (GUEST: 1) HVMAssist BIOS, 8 cpus, $Revision: 1.138 $ $Date: 2005/05/07
15:55:26 $
(XEN) (GUEST: 1)
(XEN) (GUEST: 1) ata0-0: PCHS=16383/16/63 translation=lba LCHS=1024/255/63
(XEN) (GUEST: 1) ata0 master: QEMU HARDDISK ATA-2 Hard-Disk (12997 MBytes)
(XEN) (GUEST: 1) ata0 slave: Unknown device
(XEN) (GUEST: 1)
(XEN) (GUEST: 1) Booting from Hard Disk...
(XEN) (GUEST: 1) int13_harddisk: function 41, unmapped device for ELDL=81
(XEN) (GUEST: 1) int13_harddisk: function 08, unmapped device for ELDL=81
(XEN) (GUEST: 1) *** int 15h function AX=00C0, BX=0000 not yet supported!
(XEN) (GUEST: 1) int13_harddisk: function 15, unmapped device for ELDL=81
(XEN) (GUEST: 1) KBD: unsupported int 16h function 03
(XEN) (GUEST: 1) int13_harddisk: function 15, unmapped device for ELDL=81
(XEN) (GUEST: 1) *** int 15h function AX=E980, BX=E6F5 not yet supported!
(XEN) (GUEST: 1) int13_harddisk: function 02, unmapped device for ELDL=81
(XEN) (GUEST: 1) int13_harddisk: function 41, unmapped device for ELDL=81
(XEN) __hvm_bug at vmx.c:2284
(XEN) ----[ Xen-3.0-unstable Not tainted ]----
(XEN) CPU: 0
(XEN) RIP: 0060:[<00000000c0100264>]
(XEN) RFLAGS: 0000000000010006 CONTEXT: hvm
(XEN) rax: 0000000000000671 rbx: 00000000c038fff0 rcx: 0000000000000003
(XEN) rdx: 0000000000000fc0 rsi: 000000000000fffe rdi: 00000000c040736c
(XEN) rbp: 000000000048c007 rsp: 00000000c031c058 r8: 0000000000000000
(XEN) r9: 0000000000000000 r10: 0000000000000000 r11: 0000000000000000
(XEN) r12: 0000000000000000 r13: 0000000000000000 r14: 0000000000000000
(XEN) r15: 0000000000000000 cr0: 0000000080050033 cr3: 00000000508f7000
(XEN) ds: 007b es: 007b fs: 0000 gs: 0000 ss: 0068 cs: 0060
(XEN) domain_crash_sync called from vmx.c:2284
(XEN) Domain 1 (vcpu#0) crashed on cpu#0:
(XEN) ----[ Xen-3.0-unstable Not tainted ]----
(XEN) CPU: 0
(XEN) RIP: 0060:[<00000000c0100264>]
(XEN) RFLAGS: 0000000000010006 CONTEXT: hvm
(XEN) rax: 0000000000000671 rbx: 00000000c038fff0 rcx: 0000000000000003
(XEN) rdx: 0000000000000fc0 rsi: 000000000000fffe rdi: 00000000c040736c
(XEN) rbp: 000000000048c007 rsp: 00000000c031c058 r8: 0000000000000000
(XEN) r9: 0000000000000000 r10: 0000000000000000 r11: 0000000000000000
(XEN) r12: 0000000000000000 r13: 0000000000000000 r14: 0000000000000000
(XEN) r15: 0000000000000000 cr0: 0000000080050033 cr3: 00000000508f7000
(XEN) ds: 007b es: 007b fs: 0000 gs: 0000 ss: 0068 cs: 0060
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