RE: [Xen-devel] Problem booting fully virtualized (Intel VT) 32b gueston XEN32 unstable

["Zhao, Yunfeng" <yunfeng.zhao@xxxxxxxxx>]

You need to add dom0_mem=XXXm to xen or scale back the memory of domain0 with 
using  "xm mem-set <DomId> <Mem>" command.
Your domain0 used up almost all physical mem.
>total_memory           : 1023
>free_memory            : 62


Thanks
Yunfeng

>-----Original Message-----
>From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
>[mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Ed Smith
>Sent: 2006年4月28日 4:56
>To: xen-devel@xxxxxxxxxxxxxxxxxxx
>Subject: [Xen-devel] Problem booting fully virtualized (Intel VT) 32b gueston
>XEN32 unstable
>
>Has anyone been able to boot a fully virtualized (Intel VT) 32bit guest
>on XEN32 unstable?  I'm trying to setup a nightly test environment for
>this configuration and XEN32 nosmp hangs when launching a 32bit guest,
>and XEN32 smp gets a double fault launching a 32bit guest.  It happens
>pretty early as the SDL window doesn't come up.   I tried with apic,
>pae, and acpi all on and all off, same problem.  Example config attached.
>
>Here is my XEN32 nosmp console:
>
>Red Hat Enterprise Linux ES release 4 (Nahant Update 2)
>Kernel 2.6.16-xen on an i686
>
>tst122 login: root
>Password:
>Last login: Thu Apr 27 16:13:40 from 10.1.2.13
>[root@tst122 ~]# /etc/init.d/xend start
>Bridge firewalling registered
>ip_tables: (C) 2000-2006 Netfilter Core Team
>[root@tst122 ~]# xm info
>host                   : tst122
>release                : 2.6.16-xen
>version                : #1 SMP Wed Apr 26 00:58:26 EDT 2006
>machine                : i686
>nr_cpus                : 1
>nr_nodes               : 1
>sockets_per_node       : 1
>cores_per_socket       : 1
>threads_per_core       : 1
>cpu_mhz                : 2793
>hw_caps                :
>bfebfbff:20000000:00000000:00000180:0000e43d:00000000:00000001
>total_memory           : 1023
>free_memory            : 62
>xen_major              : 3
>xen_minor              : 0
>xen_extra              : -unstable
>xen_caps               : xen-3.0-x86_32 hvm-3.0-x86_32
>platform_params        : virt_start=0xfc000000
>xen_changeset          : Tue Apr 25 18:22:11 2006 +0100 9744:1ad06bd6832d
>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        : Wed Apr 26 00:10:30 EDT 2006
>[root@tst122 ~]# xm list
>Name                              ID Mem(MiB) VCPUs State  Time(s)
>Domain-0                           0      939     1 r-----    27.7
>[root@tst122 ~]# xm create /boot/vs179_sdl.hvm
>Using config file "/boot/vs179_sdl.hvm".
>ip_tables: (C) 2000-2006 Netfilter Core Team
>Started domain vs
>
>*** HUNG ***
>
>
>Here is my XEN32 smp console:
>
>Red Hat Enterprise Linux ES release 4 (Nahant Update 2)
>Kernel 2.6.16-xen on an i686
>
>tst122 login: root
>Password:
>Last login: Thu Apr 27 16:22:46 from 10.1.2.13
>[root@tst122 ~]# /etc/init.d/xend start
>Bridge firewalling registered
>ip_tables: (C) 2000-2006 Netfilter Core Team
>[root@tst122 ~]# xm info
>host                   : tst122
>release                : 2.6.16-xen
>version                : #1 SMP Wed Apr 26 00:58:26 EDT 2006
>machine                : i686
>nr_cpus                : 2
>nr_nodes               : 1
>sockets_per_node       : 1
>cores_per_socket       : 2
>threads_per_core       : 1
>cpu_mhz                : 2793
>hw_caps                :
>bfebfbff:20000000:00000000:00000180:0000e43d:00000000:00000001
>total_memory           : 1023
>free_memory            : 62
>xen_major              : 3
>xen_minor              : 0
>xen_extra              : -unstable
>xen_caps               : xen-3.0-x86_32 hvm-3.0-x86_32
>platform_params        : virt_start=0xfc000000
>xen_changeset          : Tue Apr 25 18:22:11 2006 +0100 9744:1ad06bd6832d
>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        : Wed Apr 26 00:10:30 EDT 2006
>[root@tst122 ~]# xm list
>Name                              ID Mem(MiB) VCPUs State  Time(s)
>Domain-0                           0      939     2 r-----    31.2
>[root@tst122 ~]# xm create /boot/vs179_sdl.hvm
>Using config file "/boot/vs179_sdl.hvm".
>ip_tables: (C) 2000-2006 Netfilter Core Team
>Started domain vs179
>[root@tst122 ~]# (XEN) CPU:    1
>(XEN) EIP:    e008:[<ff1282f3>] do_page_fault+0x53/0x410
>(XEN) EFLAGS: 00010213
>(XEN) CR3:    00000000
>(XEN) eax: 00000000   ebx: 00000000   ecx: 00000073   edx: ff1ddfb4
>(XEN) esi: ff1dd0e8   edi: 0000000c   ebp: 00000000   esp: ff1dd0b4
>(XEN) ds: e010   es: e010   fs: e010   gs: e010   ss: e010
>(XEN) ************************************
>(XEN) CPU1 DOUBLE FAULT -- system shutdown
>(XEN) System needs manual reset.
>(XEN) ************************************
>

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