[Xen-bugs] [Bug 197] Fast create/destroy reboots host

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=197





------- Additional Comments From marvel@xxxxxxxxxx  2005-09-02 16:03 -------
I am getting similiar symptoms, noreboot hangs, NO noreboot reboots: running
tests using xm-test (07_create_mem64_pos.py) on an IBM 6223 SMP (2x) with 2GB
memory, dom0 set to 256,000 on the dom0 grub.conf.
run:
1) 'xm create /dev/null/ ramdisk=/home/wmarvel/ramdisk/initrd.img
kernel=/boot/vmlinuz-2.6.12-xenU root=/dev/ram0 name=MEM64 memory=64'
2) xm domid MEM64
3) xm list MEM64'
4) 'xm shudown MEM64'
5) 'xm list'
**** works to here
6) 'xm destroy MEM64'
**** hangs or reboots


symptoms after a create and shutdown:
1) after xm destroy foo the system locks up, if noreboot set on grub
2) after xm destroy foo the system reboots, if NO noreboot set on grub

changeset:
[root@dyn9047022116 ~]# xm dmesg |more
 __  __            _____  ___         _                _
 \ \/ /___ _ __   |___ / / _ \     __| | _____   _____| |
  \  // _ \ '_ \    |_ \| | | |__ / _` |/ _ \ \ / / _ \ |
  /  \  __/ | | |  ___) | |_| |__| (_| |  __/\ V /  __/ |
 /_/\_\___|_| |_| |____(_)___/    \__,_|\___| \_/ \___|_|

 http://www.cl.cam.ac.uk/netos/xen
 University of Cambridge Computer Laboratory

 Xen version 3.0-devel (root@xxxxxxxxxxxxxxxxx) (gcc version 3.4.4 20050721 (Red
Hat 3.4.4-2)) Thu Sep  1 09:38:06 PDT 2005
 Latest ChangeSet: Thu Sep  1 08:31:12 2005 
030a56a24fa66f3f98253caad8dbf6fce62932e9
---------------------
(XEN) Physical RAM map:
(XEN)  0000000000000000 - 000000000009b400 (usable)
(XEN)  000000000009b400 - 00000000000a0000 (reserved)
(XEN)  00000000000da000 - 00000000000dc000 (reserved)
(XEN)  00000000000e0000 - 0000000000100000 (reserved)
(XEN)  0000000000100000 - 000000007ff70000 (usable)
(XEN)  000000007ff70000 - 000000007ff76000 (ACPI data)
(XEN)  000000007ff76000 - 000000007ff80000 (ACPI NVS)
(XEN)  000000007ff80000 - 0000000080000000 (reserved)
(XEN)  00000000e0000000 - 00000000f0000000 (reserved)
(XEN)  00000000fec00000 - 00000000fec10000 (reserved)
(XEN)  00000000fee00000 - 00000000fee01000 (reserved)
(XEN)  00000000ff800000 - 00000000ffc00000 (reserved)
(XEN)  00000000fffffc00 - 0000000100000000 (reserved)
(XEN) System RAM: 2047MB (2096172kB)
(XEN) Xen heap: 10MB (10632kB)
(XEN) PAE disabled.
(XEN) found SMP MP-table at 000f6b70
(XEN) DMI present.
(XEN) Using APIC driver default
---------------------
(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 3.60GHz 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 3.60GHz 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 3.60GHz 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 3.60GHz 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) Platform timer is 1.193MHz PIT
(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,PAE=no,LOADER=generic'
(XEN) PHYSICAL MEMORY ARRANGEMENT:
(XEN)  Dom0 alloc.:   7f000000->7f800000 (63488 pages to be allocated)
(XEN) VIRTUAL MEMORY ARRANGEMENT:
(XEN)  Loaded kernel: c0100000->c05b82e4
(XEN)  Init. ramdisk: c05b9000->c064b000
(XEN)  Phys-Mach map: c064b000->c068b000

(XEN)  Page tables:   c068b000->c068e000
(XEN)  Start info:    c068e000->c068f000
(XEN)  Boot stack:    c068f000->c0690000
(XEN)  TOTAL:         c0000000->c0800000
(XEN)  ENTRY ADDRESS: c0100000
(XEN) Initrd len 0x92000, start at 0xc05b9000
(XEN) Scrubbing Free RAM: .....................done.

---------------------


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