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[Xen-bugs] [Bug 94] New: Command hang up when execute "service xendomain

To: xen-bugs@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-bugs] [Bug 94] New: Command hang up when execute "service xendomains stop"
From: she11c0de@xxxxxxxxxxx
Date: Sun, 10 Jul 2005 09:13:00 +0000
Delivery-date: Sun, 10 Jul 2005 09:13:05 +0000
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http://bugzilla.xensource.com/cgi-bin/bugzilla/show_bug.cgi?id=94

           Summary: Command hang up when execute "service xendomains stop"
           Product: Xen
           Version: unstable
          Platform: x86
        OS/Version: Linux-2.6
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Hypervisor
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: she11c0de@xxxxxxxxxxx


Process hang up when execute "service xendomains stop", after this command, i 
also execute "brctl show" and "ifconfig -a", all of them hang up, those 
command not response, CTRL+C not take affect too.

Use ps -ax , i had see those process STATE is D, here is output :

[root@CentOS4 ~]# ps ax
  PID TTY      STAT   TIME COMMAND
    1 ?        S      0:00 init 
[3]                                                                     
    2 ?        S      0:00 [migration/0]
    3 ?        SN     0:00 [ksoftirqd/0]
    4 ?        S      0:00 [migration/1]
    5 ?        SN     0:00 [ksoftirqd/1]
    6 ?        S      0:00 [migration/2]
    7 ?        SN     0:00 [ksoftirqd/2]
    8 ?        S      0:00 [migration/3]
    9 ?        SN     0:00 [ksoftirqd/3]
   11 ?        S<     0:00 [events/1]
   12 ?        S<     0:00 [events/2]
   13 ?        S<     0:00 [events/3]
   14 ?        S<     0:00 [khelper]
   19 ?        S<     0:00 [kthread]
   40 ?        S<     0:00 [kblockd/0]
   41 ?        S<     0:00 [kblockd/1]
   42 ?        S<     0:00 [kblockd/2]
   43 ?        S<     0:00 [kblockd/3]
  123 ?        S      0:00 [pdflush]
  124 ?        S      0:00 [pdflush]
  126 ?        S<     0:00 [aio/0]
  127 ?        S<     0:00 [aio/1]
  128 ?        S<     0:00 [aio/2]
  129 ?        S<     0:00 [aio/3]
  125 ?        S      0:00 [kswapd0]
  202 ?        S      0:00 [kseriod]
  231 ?        S      0:00 [xenblkd]
  303 ?        S      0:00 [scsi_eh_0]
  358 ?        S      0:00 [kjournald]
 1426 ?        S<s    0:00 udevd
 1628 ?        S      0:00 [kjournald]
 1629 ?        S      0:00 [kjournald]
 1630 ?        S      0:00 [kjournald]
 1631 ?        S      0:00 [kjournald]
 2054 ?        Ss     0:00 syslogd -m 0
 2058 ?        Ss     0:00 klogd -x
 2068 ?        Ss     0:00 irqbalance
 2078 ?        Ss     0:00 /usr/sbin/sshd
 2090 ?        Ss     0:00 crond
 2099 ?        Ss     0:00 /usr/sbin/xcs -p /var/run/xcs.pid
 2100 ?        Ss     0:04 xenstored --no-fork
 2101 ?        Ss     0:00 python /usr/sbin/xend start
 2102 ?        S      0:00 python /usr/sbin/xend start
 2103 ?        S      0:00 python /usr/sbin/xend start
 2104 ?        S      0:00 python /usr/sbin/xend start
 2105 ?        S      0:00 python /usr/sbin/xend start
 2106 ?        S      0:00 python /usr/sbin/xend start
 2186 ?        S      0:02 python /usr/sbin/xend start
 2879 ?        Z      0:00 [vif-bridge] <defunct>
 3004 tty1     Ss+    0:00 /sbin/mingetty tty1
 3006 tty2     Ss+    0:00 /sbin/mingetty tty2
 3007 tty3     Ss+    0:00 /sbin/mingetty tty3
 3008 tty4     Ss+    0:00 /sbin/mingetty tty4
 3010 tty5     Ss+    0:00 /sbin/mingetty tty5
 3011 tty6     Ss+    0:00 /sbin/mingetty tty6
 4342 ?        Ss     0:00 sshd: tongjian [priv]
 4346 ?        S      0:00 sshd: tongjian@pts/0
 4347 pts/0    Ss     0:00 -bash
 4375 pts/0    S      0:00 su -
 4376 pts/0    S      0:00 -bash
 4484 ?        S      0:00 python /usr/sbin/xend start
 4931 ?        S      0:00 su -
 4932 ?        S      0:00 -bash
 5266 ?        Z      0:00 [vif-bridge] <defunct>
 5273 ?        D      0:00 brctl delif xen-br0 vif6.0
 5290 ?        D      0:00 brctl show
 5296 pts/0    D+     0:00 brctl show
 5329 ?        S      0:00 su -
 5330 ?        S      0:00 -bash
 5371 ?        D      0:00 ifconfig -a
 5372 ?        Ss     0:00 sshd: tongjian [priv]
 5376 ?        S      0:00 sshd: tongjian@pts/3
 5377 pts/3    Ss     0:00 -bash
 5404 pts/3    S      0:00 su -
 5405 pts/3    S      0:00 -bash
 5450 pts/3    R+     0:00 ps ax

>>>

Some message from dmesg: 

Jul 10 16:43:30 CentOS4 kernel: ------------[ cut here ]------------
Jul 10 16:43:30 CentOS4 kernel: kernel BUG at include/linux/dcache.h:293!
Jul 10 16:43:30 CentOS4 kernel: invalid operand: 0000 [#1]
Jul 10 16:43:30 CentOS4 kernel: PREEMPT SMP
Jul 10 16:43:30 CentOS4 kernel: Modules linked in: bridge iptable_filter 
ip_tables dm_mod e1000 floppy sg ext3 jbd megaraid_mbox megaraid_mm sd_mod 
scsi_mod
Jul 10 16:43:30 CentOS4 kernel: CPU:    0
Jul 10 16:43:30 CentOS4 kernel: EIP:    0061:[<c0195423>]    Not tainted VLI
Jul 10 16:43:30 CentOS4 kernel: EFLAGS: 00010246   (2.6.11.12-xen0-2)
Jul 10 16:43:30 CentOS4 kernel: EIP is at sysfs_remove_dir+0x100/0x10d
Jul 10 16:43:30 CentOS4 kernel: eax: 00000000   ebx: c0664920   ecx: 
c4be11c0   edx: c0664920
Jul 10 16:43:30 CentOS4 kernel: esi: c72f2240   edi: c4d3a290   ebp: 
00000006   esp: c11b7e68
Jul 10 16:43:30 CentOS4 kernel: ds: 007b   es: 007b   ss: 0069
Jul 10 16:43:30 CentOS4 kernel: Process events/0 (pid: 10, threadinfo=c11b6000 
task=c0508aa0)
Jul 10 16:43:30 CentOS4 kernel: Stack: c019441c c4fa2960 c0351200 c0664920 
c72f2240 c5c67c00 00000006 c01c4f12
Jul 10 16:43:30 CentOS4 kernel:        c0664920 00000002 c0664880 c8879684 
c0664920 c0664880 c72f2240 c887a580
Jul 10 16:43:30 CentOS4 kernel:        c72f2240 c5c67c00 c8881f40 c5c67c00 
00000006 c5c67d54 c012b5a7 c8881f40
Jul 10 16:43:30 CentOS4 kernel: Call Trace:
Jul 10 16:43:30 CentOS4 kernel:  [<c019441c>] sysfs_hash_and_remove+0x4f/0xe6
Jul 10 16:43:30 CentOS4 kernel:  [<c01c4f12>] kobject_del+0x20/0x2d
Jul 10 16:43:30 CentOS4 kernel:  [<c8879684>] br_del_if+0x2e/0x50 [bridge]
Jul 10 16:43:30 CentOS4 kernel:  [<c887a580>] br_device_event+0xa0/0xe0 
[bridge]
Jul 10 16:43:30 CentOS4 kernel:  [<c012b5a7>] notifier_call_chain+0x25/0x3c
Jul 10 16:43:30 CentOS4 kernel:  [<c028eeb5>] unregister_netdevice+0x148/0x267
Jul 10 16:43:30 CentOS4 kernel:  [<c028efe9>] unregister_netdev+0x15/0x1e
Jul 10 16:43:30 CentOS4 kernel:  [<c023b0fc>] netif_destroy+0x70/0x87
Jul 10 16:43:30 CentOS4 kernel:  [<c023ab44>] netif_ctrlif_rx+0x64/0xa9
Jul 10 16:43:30 CentOS4 kernel:  [<c0105520>] 
__ctrl_if_rxmsg_deferred+0x42/0x51
Jul 10 16:43:30 CentOS4 kernel:  [<c012e42f>] worker_thread+0x1da/0x264
Jul 10 16:43:30 CentOS4 kernel:  [<c01054de>] __ctrl_if_rxmsg_deferred+0x0/0x51
Jul 10 16:43:30 CentOS4 kernel:  [<c011a156>] default_wake_function+0x0/0x12
Jul 10 16:43:30 CentOS4 kernel:  [<c011a156>] default_wake_function+0x0/0x12
Jul 10 16:43:30 CentOS4 kernel:  [<c012e255>] worker_thread+0x0/0x264
Jul 10 16:43:30 CentOS4 kernel:  [<c0132571>] kthread+0xa3/0xcd
Jul 10 16:43:30 CentOS4 kernel:  [<c01324ce>] kthread+0x0/0xcd
Jul 10 16:43:30 CentOS4 kernel:  [<c01078c1>] kernel_thread_helper+0x5/0xb
Jul 10 16:43:30 CentOS4 kernel: Code: 89 44 24 08 8b 00 89 04 24 e8 5f fe fa 
ff 8b 54 24 08 8b 42 04 89 04 24 e8 c9 fb 02 00 8b 44 24 08 89 04 24 e8 44 fe 
fa ff eb 92 <0f> 0b 25 01 c8 ee 2f c0 e9 13 ff ff ff 55 57 56 53 83 ec 10 8b


>>>

system info on dom0

[root@CentOS4 ~]# cat c
Linux version 2.6.11.12-xen0 (tongjian@CentOS4) (gcc version 3.4.3 20050227 
(Red Hat 3.4.3-22.1)) #2 SMP Sat Jul 9 18:24:21 CST 2005
BIOS-provided physical RAM map:
 Xen: 0000000000100000 - 0000000008000000 (usable)
0MB HIGHMEM available.
128MB LOWMEM available.
On node 0 totalpages: 32768
  DMA zone: 32768 pages, LIFO batch:8
  Normal zone: 0 pages, LIFO batch:1
  HighMem zone: 0 pages, LIFO batch:1
found SMP MP-table at 3bf7f710
DMI 2.3 present.
Intel MultiProcessor Specification v1.4
    Virtual Wire compatibility mode.
OEM ID: DELL     Product ID: PE 016D      APIC at: 0xFEE00000
I/O APIC #8 Version 32 at 0xFEC00000.
I/O APIC #9 Version 32 at 0xFEC80000.
I/O APIC #10 Version 32 at 0xFEC83000.
I/O APIC #11 Version 32 at 0xFEC84000.
Enabling APIC mode:  Flat.  Using 4 I/O APICs
Processors: 2
IRQ lockup detection disabled
Allocating PCI resources starting at 08000000 (gap: 08000000:f8000000)
Built 1 zonelists
Kernel command line: root=/dev/sda1 ro nousb acpi=off selinux=0
Initializing CPU#0
PID hash table entries: 1024 (order: 10, 16384 bytes)
Xen reported: 3192.354 MHz processor.
Using tsc for high-res timesource
Console: colour VGA+ 80x25
Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
vmalloc area: c8800000-fb7fe000, maxmem 34000000
Memory: 124032k/131072k available (1977k kernel code, 5948k reserved, 632k 
data, 196k init, 0k highmem)
Checking if this processor honours the WP bit even in supervisor mode... Ok.
Calibrating delay loop... 9568.25 BogoMIPS (lpj=47841280)
Security Framework v1.0.0 initialized
SELinux:  Disabled at boot.
Capability LSM initialized
Mount-cache hash table entries: 512 (order: 0, 4096 bytes)
CPU: After generic identify, caps: bfebfbff 20100000 00000000 00000000 
0000641d 00000000 00000000
CPU: After vendor identify, caps: bfebfbff 20100000 00000000 00000000 0000641d 
00000000 00000000
CPU: Trace cache: 12K uops, L1 D cache: 16K
CPU: L2 cache: 1024K
CPU: After all inits, caps: bfebd3f1 20100000 00000000 00000080 0000641d 
00000000 00000000
Enabling fast FPU save and restore... done.
Enabling unmasked SIMD FPU exception support... done.
Checking 'hlt' instruction... disabled
CPU0: Intel(R) Xeon(TM) CPU 3.20GHz stepping 01
per-CPU timeslice cutoff: 2925.53 usecs.
task migration cache decay timeout: 3 msecs.
Booting processor 1/1 eip c0100010
Initializing CPU#1
Calibrating delay loop... 0.81 BogoMIPS (lpj=4096)
CPU: After generic identify, caps: bfebfbff 20100000 00000000 00000000 
0000641d 00000000 00000000
CPU: After vendor identify, caps: bfebfbff 20100000 00000000 00000000 0000641d 
00000000 00000000
CPU: Trace cache: 12K uops, L1 D cache: 16K
CPU: L2 cache: 1024K
CPU: After all inits, caps: bfebd3f1 20100000 00000000 00000080 0000641d 
00000000 00000000
CPU1: Intel(R) Xeon(TM) CPU 3.20GHz stepping 01
Booting processor 2/2 eip c0100010
Initializing CPU#2
Calibrating delay loop... 6.54 BogoMIPS (lpj=32704)
CPU: After generic identify, caps: bfebfbff 20100000 00000000 00000000 
0000641d 00000000 00000000
CPU: After vendor identify, caps: bfebfbff 20100000 00000000 00000000 0000641d 
00000000 00000000
CPU: Trace cache: 12K uops, L1 D cache: 16K
CPU: L2 cache: 1024K
CPU: After all inits, caps: bfebd3f1 20100000 00000000 00000080 0000641d 
00000000 00000000
CPU2: Intel(R) Xeon(TM) CPU 3.20GHz stepping 01
Booting processor 3/3 eip c0100010
Initializing CPU#3
Calibrating delay loop... 15.92 BogoMIPS (lpj=79616)
CPU: After generic identify, caps: bfebfbff 20100000 00000000 00000000 
0000641d 00000000 00000000
CPU: After vendor identify, caps: bfebfbff 20100000 00000000 00000000 0000641d 
00000000 00000000
CPU: Trace cache: 12K uops, L1 D cache: 16K
CPU: L2 cache: 1024K
CPU: After all inits, caps: bfebd3f1 20100000 00000000 00000080 0000641d 
00000000 00000000
CPU3: Intel(R) Xeon(TM) CPU 3.20GHz stepping 01
Total of 4 processors activated (9591.53 BogoMIPS).
ENABLING IO-APIC IRQs
Brought up 4 CPUs
CPU0 attaching sched-domain:
 domain 0: span 01
  groups: 01
  domain 1: span 0f
   groups: 01 02 04 08
CPU1 attaching sched-domain:
 domain 0: span 02
  groups: 02
  domain 1: span 0f
   groups: 02 04 08 01
CPU2 attaching sched-domain:
 domain 0: span 04
  groups: 04
  domain 1: span 0f
   groups: 04 08 01 02
CPU3 attaching sched-domain:
 domain 0: span 08
  groups: 08
  domain 1: span 0f
   groups: 08 01 02 04
checking if image is initramfs... it is
Freeing initrd memory: 1014k freed
NET: Registered protocol family 16
PCI: Using configuration type 1
ACPI: Subsystem revision 20050211
ACPI: Interpreter disabled.
Linux Plug and Play Support v0.97 (c) Adam Belay
pnp: PnP ACPI: disabled
xen_mem: Initialising balloon driver.
usbcore: USB support disabled
PCI: Probing PCI hardware
PCI: Probing PCI hardware (bus 00)
PCI: Ignoring BAR0-3 of IDE controller 0000:00:1f.1
PCI: Transparent bridge - 0000:00:1e.0
PCI: IRQ init
PCI: Interrupt Routing Table found at 0xfbf7c570
PCI: Attempting to find IRQ router for 8086:24d0
PCI: Using IRQ router PIIX/ICH [8086/24d0] at 0000:00:1f.0
PCI: IRQ fixup
PCI->APIC IRQ transform: 0000:00:02.0[A] -> IRQ 16
PCI->APIC IRQ transform: 0000:00:04.0[A] -> IRQ 16
PCI->APIC IRQ transform: 0000:00:05.0[A] -> IRQ 16
PCI->APIC IRQ transform: 0000:00:06.0[A] -> IRQ 16
PCI->APIC IRQ transform: 0000:00:1d.0[A] -> IRQ 16
PCI->APIC IRQ transform: 0000:00:1d.1[B] -> IRQ 19
PCI->APIC IRQ transform: 0000:00:1d.2[C] -> IRQ 18
PCI->APIC IRQ transform: 0000:00:1d.7[D] -> IRQ 23
PCI->APIC IRQ transform: 0000:02:0e.0[A] -> IRQ 38
PCI->APIC IRQ transform: 0000:06:07.0[A] -> IRQ 48
PCI->APIC IRQ transform: 0000:07:08.0[A] -> IRQ 49
PCI->APIC IRQ transform: 0000:0b:0d.0[A] -> IRQ 18
TC classifier action (bugs to netdev@xxxxxxxxxxx cc hadi@xxxxxxxxxx)
Grant table initialized
IA-32 Microcode Update Driver: v1.14-xen <tigran@xxxxxxxxxxx>
audit: initializing netlink socket (disabled)
audit(1120994084.720:0): initialized
Total HugeTLB memory allocated, 0
VFS: Disk quotas dquot_6.5.1
Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
Initializing Cryptographic API
Intel E7520/7320/7525 detected.<6>serio: i8042 AUX port at 0x60,0x64 irq 12
serio: i8042 KBD port at 0x60,0x64 irq 1
io scheduler noop registered
io scheduler anticipatory registered
io scheduler deadline registered
io scheduler cfq registered
RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
Xen virtual console successfully installed as ttyS0
Event-channel device installed.
Blkif backend is using grant tables.
Initialising Xen netif backend
Blkif frontend is using grant tables.
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
ICH5: IDE controller at PCI slot 0000:00:1f.1
PCI: Enabling device 0000:00:1f.1 (0005 -> 0007)
ICH5: chipset revision 2
ICH5: not 100% native mode: will probe irqs later
    ide0: BM-DMA at 0xfc00-0xfc07, BIOS settings: hda:DMA, hdb:pio
    ide1: BM-DMA at 0xfc08-0xfc0f, BIOS settings: hdc:pio, hdd:pio
Probing IDE interface ide0...
hda: SAMSUNG CD-ROM SN-124, ATAPI CD/DVD-ROM drive
hda: Disabling (U)DMA for SAMSUNG CD-ROM SN-124 (blacklisted)
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
Probing IDE interface ide1...
Probing IDE interface ide1...
Probing IDE interface ide2...
Probing IDE interface ide3...
Probing IDE interface ide4...
Probing IDE interface ide5...
hda: ATAPI 24X CD-ROM drive, 128kB Cache
Uniform CD-ROM driver Revision: 3.20
ide-floppy driver 0.99.newide
mice: PS/2 mouse device common for all mice
input: AT Translated Set 2 keyboard on isa0060/serio0
md: md driver 0.90.1 MAX_MD_DEVS=256, MD_SB_DISKS=27
NET: Registered protocol family 2
IP: routing cache hash table of 512 buckets, 8Kbytes
TCP established hash table entries: 8192 (order: 5, 131072 bytes)
TCP bind hash table entries: 8192 (order: 4, 98304 bytes)
TCP: Hash tables configured (established 8192 bind 8192)
Initializing IPsec netlink socket
NET: Registered protocol family 1
NET: Registered protocol family 17
Freeing unused kernel memory: 196k freed
SCSI subsystem initialized
megaraid cmm: 2.20.2.5 (Release Date: Fri Jan 21 00:01:03 EST 2005)
megaraid: 2.20.4.5 (Release Date: Thu Feb 03 12:27:22 EST 2005)
megaraid: probe new device 0x1028:0x0013:0x1028:0x016d: bus 2:slot 14:func 0
megaraid: fw version:[516A] bios version:[H418]
scsi0 : LSI Logic MegaRAID driver
scsi[0]: scanning scsi channel 0 [Phy 0] for non-raid devices
  Vendor: PE/PV     Model: 1x6 SCSI BP       Rev: 1.0 
  Type:   Processor                          ANSI SCSI revision: 02
scsi[0]: scanning scsi channel 1 [Phy 1] for non-raid devices
scsi[0]: scanning scsi channel 2 [virtual] for logical drives
  Vendor: MegaRAID  Model: LD 0 RAID5   36G  Rev: 516A
  Type:   Direct-Access                      ANSI SCSI revision: 02
SCSI device sda: 73728000 512-byte hdwr sectors (37749 MB)
sda: asking for cache data failed
sda: assuming drive cache: write through
SCSI device sda: 73728000 512-byte hdwr sectors (37749 MB)
sda: asking for cache data failed
sda: assuming drive cache: write through
 sda: sda1 sda2 sda3 sda4 < sda5 sda6 sda7 >
Attached scsi disk sda at scsi0, channel 2, id 0, lun 0
  Vendor: MegaRAID  Model: LD 1 RAID5  121G  Rev: 516A
  Type:   Direct-Access                      ANSI SCSI revision: 02
SCSI device sdb: 247808000 512-byte hdwr sectors (126878 MB)
sdb: asking for cache data failed
sdb: assuming drive cache: write through
SCSI device sdb: 247808000 512-byte hdwr sectors (126878 MB)
sdb: asking for cache data failed
sdb: assuming drive cache: write through
 sdb: sdb1 sdb2 sdb3 sdb4 < sdb5 sdb6 sdb7 sdb8 sdb9 sdb10 sdb11 sdb12 sdb13 
sdb14 sdb15 >
Attached scsi disk sdb at scsi0, channel 2, id 1, lun 0
  Vendor: MegaRAID  Model: LD 2 RAID5  122G  Rev: 516A
  Type:   Direct-Access                      ANSI SCSI revision: 02
SCSI device sdc: 251494400 512-byte hdwr sectors (128765 MB)
sdc: asking for cache data failed
sdc: assuming drive cache: write through
SCSI device sdc: 251494400 512-byte hdwr sectors (128765 MB)
sdc: asking for cache data failed
sdc: assuming drive cache: write through
 sdc: sdc1 sdc2 sdc3 sdc4 < sdc5 sdc6 sdc7 sdc8 sdc9 sdc10 sdc11 sdc12 sdc13 
sdc14 sdc15 >
Attached scsi disk sdc at scsi0, channel 2, id 2, lun 0
kjournald starting.  Commit interval 5 seconds
EXT3-fs: mounted filesystem with ordered data mode.
Attached scsi generic sg0 at scsi0, channel 0, id 6, lun 0,  type 3
Attached scsi generic sg1 at scsi0, channel 2, id 0, lun 0,  type 0
Attached scsi generic sg2 at scsi0, channel 2, id 1, lun 0,  type 0
Attached scsi generic sg3 at scsi0, channel 2, id 2, lun 0,  type 0
Floppy drive(s): fd0 is 1.44M
FDC 0 is a National Semiconductor PC87306
Intel(R) PRO/1000 Network Driver - version 5.6.10.1-k2-NAPI
Copyright (c) 1999-2004 Intel Corporation.
e1000: eth0: e1000_probe: Intel(R) PRO/1000 Network Connection
e1000: eth1: e1000_probe: Intel(R) PRO/1000 Network Connection
USB Universal Host Controller Interface driver v2.2
USB Universal Host Controller Interface driver v2.2
USB Universal Host Controller Interface driver v2.2
md: Autodetecting RAID arrays.
md: autorun ...
md: ... autorun DONE.
EXT3 FS on sda1, internal journal
device-mapper: 4.4.0-ioctl (2005-01-12) initialised: dm-devel@xxxxxxxxxx
cdrom: open failed.
kjournald starting.  Commit interval 5 seconds
EXT3 FS on sda7, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
kjournald starting.  Commit interval 5 seconds
EXT3 FS on sda6, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
kjournald starting.  Commit interval 5 seconds
EXT3 FS on sda2, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
kjournald starting.  Commit interval 5 seconds
EXT3 FS on sda3, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
Adding 4192924k swap on /dev/sda5.  Priority:-1 extents:1
ip_tables: (C) 2000-2002 Netfilter core team
ip_tables: (C) 2000-2002 Netfilter core team
e1000: eth0: e1000_watchdog: NIC Link is Up 100 Mbps Full Duplex
ip_tables: (C) 2000-2002 Netfilter core team
ip_tables: (C) 2000-2002 Netfilter core team

Module                  Size  Used by
iptable_filter          3200  0 
ip_tables              21376  1 iptable_filter
dm_mod                 52356  0 
e1000                  84276  0 
floppy                 54288  0 
sg                     34464  0 
ext3                  123528  5 
jbd                    55704  1 ext3
megaraid_mbox          32784  6 
megaraid_mm            10020  1 megaraid_mbox
sd_mod                 16256  7 
scsi_mod              114504  3 sg,megaraid_mbox,sd_mod

[root@CentOS4 ~]# uname -a
Linux CentOS4 2.6.11.12-xen0-2 #2 SMP Sun Jul 10 15:56:16 CST 2005 i686 i686 
i386 GNU/Linux

>>> 
xm dmesg

[root@CentOS4 ~]# xm dmesg
 __  __            _____  ___         _                _ 
 \ \/ /___ _ __   |___ / / _ \     __| | _____   _____| |
  \  // _ \ '_ \    |_ \| | | |__ / _` |/ _ \ \ / / _ \ |
  /  \  __/ | | |  ___) | |_| |__| (_| |  __/\ V /  __/ |
 /_/\_\___|_| |_| |____(_)___/    \__,_|\___| \_/ \___|_|
                                                         
 http://www.cl.cam.ac.uk/netos/xen
 University of Cambridge Computer Laboratory

 Xen version 3.0-devel (tongjian@) (gcc version 3.4.3 20050227 (Red Hat 3.4.3-
22.1)) Sun Jul 10 16:20:24 CST 2005
 Latest ChangeSet:  

(XEN) WARNING: Only the first 4GB of the physical memory map can be accessed
(XEN)          by Xen in 32-bit mode. Truncating the memory map...
(XEN) Physical RAM map:
(XEN)  0000000000000000 - 00000000000a0000 (usable)
(XEN)  0000000000100000 - 00000000cffc0000 (usable)
(XEN)  00000000cffc0000 - 00000000cffcfc00 (ACPI data)
(XEN)  00000000cffcfc00 - 00000000cffff000 (reserved)
(XEN)  00000000e0000000 - 00000000fec90000 (reserved)
(XEN)  00000000fed00000 - 00000000fed00400 (reserved)
(XEN)  00000000fee00000 - 00000000fee10000 (reserved)
(XEN)  00000000ffb00000 - 0000000100000000 (reserved)
(XEN) System RAM: 3327MB (3407232kB)
(XEN) Xen heap: 10MB (10668kB)
(XEN) PAE disabled.
(XEN) found SMP MP-table at 000fe710
(XEN) DMI 2.3 present.
(XEN) Using APIC driver default
(XEN) ACPI: RSDP (v000 DELL                                  ) @ 0x000fd650
(XEN) ACPI: RSDT (v001 DELL   PE BKC   0x00000001 MSFT 0x0100000a) @ 0x000fd664
(XEN) ACPI: FADT (v001 DELL   PE BKC   0x00000001 MSFT 0x0100000a) @ 0x000fd6b0
(XEN) ACPI: MADT (v001 DELL   PE BKC   0x00000001 MSFT 0x0100000a) @ 0x000fd724
(XEN) ACPI: SPCR (v001 DELL   PE BKC   0x00000001 MSFT 0x0100000a) @ 0x000fd7cc
(XEN) ACPI: HPET (v001 DELL   PE BKC   0x00000001 MSFT 0x0100000a) @ 0x000fd81c
(XEN) ACPI: MCFG (v001 DELL   PE BKC   0x00000001 MSFT 0x0100000a) @ 0x000fd854
(XEN) ACPI: DSDT (v001 DELL   PE BKC   0x00000001 MSFT 0x0100000e) @ 0x00000000
(XEN) ACPI: Local APIC address 0xfee00000
(XEN) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
(XEN) Processor #0 15:4 APIC version 20
(XEN) ACPI: LAPIC (acpi_id[0x02] lapic_id[0x06] enabled)
(XEN) Processor #6 15:4 APIC version 20
(XEN) ACPI: LAPIC (acpi_id[0x03] lapic_id[0x01] enabled)
(XEN) Processor #1 15:4 APIC version 20
(XEN) ACPI: LAPIC (acpi_id[0x04] lapic_id[0x07] enabled)
(XEN) Processor #7 15:4 APIC version 20
(XEN) ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1])
(XEN) ACPI: LAPIC_NMI (acpi_id[0x02] high edge lint[0x1])
(XEN) ACPI: LAPIC_NMI (acpi_id[0x03] high edge lint[0x1])
(XEN) ACPI: LAPIC_NMI (acpi_id[0x04] high edge lint[0x1])
(XEN) ACPI: IOAPIC (id[0x08] address[0xfec00000] gsi_base[0])
(XEN) IOAPIC[0]: apic_id 8, version 32, address 0xfec00000, GSI 0-23
(XEN) ACPI: IOAPIC (id[0x09] address[0xfec80000] gsi_base[32])
(XEN) IOAPIC[1]: apic_id 9, version 32, address 0xfec80000, GSI 32-55
(XEN) ACPI: IOAPIC (id[0x0a] address[0xfec83000] gsi_base[64])
(XEN) IOAPIC[2]: apic_id 10, version 32, address 0xfec83000, GSI 64-87
(XEN) ACPI: IOAPIC (id[0x0b] address[0xfec84000] gsi_base[96])
(XEN) IOAPIC[3]: apic_id 11, version 32, address 0xfec84000, GSI 96-119
(XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
(XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
(XEN) ACPI: IRQ0 used by override.
(XEN) ACPI: IRQ2 used by override.
(XEN) ACPI: IRQ9 used by override.
(XEN) Enabling APIC mode:  Flat.  Using 4 I/O APICs
(XEN) Using ACPI (MADT) for SMP configuration information
(XEN) Initializing CPU#0
(XEN) Detected 3192.319 MHz processor.
(XEN) Using scheduler: Simple EDF Scheduler (sedf)
(XEN) CPU: Trace cache: 12K uops, L1 D cache: 16K
(XEN) CPU: L2 cache: 1024K
(XEN) CPU: Physical Processor ID: 0
(XEN) CPU0: Intel(R) Xeon(TM) CPU 3.20GHz stepping 01
(XEN) Booting processor 1/1 eip 90000
(XEN) Initializing CPU#1
(XEN) CPU: Trace cache: 12K uops, L1 D cache: 16K
(XEN) CPU: L2 cache: 1024K
(XEN) CPU: Physical Processor ID: 0
(XEN) CPU1: Intel(R) Xeon(TM) CPU 3.20GHz stepping 01
(XEN) Booting processor 2/6 eip 90000
(XEN) Initializing CPU#2
(XEN) CPU: Trace cache: 12K uops, L1 D cache: 16K
(XEN) CPU: L2 cache: 1024K
(XEN) CPU: Physical Processor ID: 3
(XEN) CPU2: Intel(R) Xeon(TM) CPU 3.20GHz stepping 01
(XEN) Booting processor 3/7 eip 90000
(XEN) Initializing CPU#3
(XEN) CPU: Trace cache: 12K uops, L1 D cache: 16K
(XEN) CPU: L2 cache: 1024K
(XEN) CPU: Physical Processor ID: 3
(XEN) CPU3: Intel(R) Xeon(TM) CPU 3.20GHz stepping 01
(XEN) Total of 4 processors activated.
(XEN) ENABLING IO-APIC IRQs
(XEN) ..TIMER: vector=0x31 pin1=2 pin2=-1
(XEN) checking TSC synchronization across 4 CPUs: passed.
(XEN) Time init:
(XEN) .... cpu_freq:    00000000:BE46EF60
(XEN) .... scale:       00000001:40C515C9
(XEN) .... Wall Clock:  1121013264s 120000us
(XEN) Brought up 4 CPUs
(XEN) mtrr: v2.0 (20020519)
(XEN) *** LOADING DOMAIN 0 ***
(XEN) Xen-ELF header 
found: 'GUEST_OS=linux,GUEST_VER=2.6,XEN_VER=3.0,VIRT_BASE=0xC0000000,LOADER=ge
neric'
(XEN) PHYSICAL MEMORY ARRANGEMENT:
(XEN)  Dom0 alloc.:   08000000->10000000
(XEN) VIRTUAL MEMORY ARRANGEMENT:
(XEN)  Loaded kernel: c0100000->c040b65c
(XEN)  Init. ramdisk: c040c000->c0509800
(XEN)  Phys-Mach map: c050a000->c052a000
(XEN)  Page tables:   c052a000->c052d000
(XEN)  Start info:    c052d000->c052e000
(XEN)  Boot stack:    c052e000->c052f000
(XEN)  TOTAL:         c0000000->c0800000
(XEN)  ENTRY ADDRESS: c0100000
(XEN) Initrd len 0xfd800, start at 0xc040c000
(XEN) Scrubbing Free RAM: ..................................done.
(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input to 
Xen).

>>>
xm info


[root@CentOS4 ~]# xm info
system                 : Linux
host                   : CentOS4
release                : 2.6.11.12-xen0-2
version                : #2 SMP Sun Jul 10 15:56:16 CST 2005
machine                : i686
cores_per_socket       : 1
threads_per_core       : 2
cpu_mhz                : 3192
memory                 : 3327
free_memory            : 3169
[root@CentOS4 ~]#



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