[Xen-bugs] [Bug 195] Many Timer ISR: Time went backwards logs

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=195


adh@xxxxxxxxxxxxxxx changed:

           What    |Removed                     |Added
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                 CC|                            |adh@xxxxxxxxxxxxxxx




------- Comment #26 from adh@xxxxxxxxxxxxxxx  2006-10-17 14:30 -------
Same issue 2x dual core Intel Xeons. FC5 built from SRPMS changed only with :

CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
CONFIG_IP_PNP_BOOTP=y
CONFIG_IP_PNP_RARP=y

xm info
host                   : xxxxx.eyespot.com
release                : 2.6.17-1.2187_FC5xen0
version                : #1 SMP Tue Oct 10 16:28:30 PDT 2006
machine                : x86_64
nr_cpus                : 4
nr_nodes               : 1
sockets_per_node       : 2
cores_per_socket       : 2
threads_per_core       : 1
cpu_mhz                : 2000
hw_caps                :
00000000:00000000:bfebfbff:20000800:00000000:00000140:0004e33d
total_memory           : 4095
free_memory            : 1
xen_major              : 3
xen_minor              : 0
xen_extra              : -unstable
xen_caps               : xen-3.0-x86_64
platform_params        : virt_start=0xffff800000000000
xen_changeset          : unavailable 
cc_compiler            : gcc version 4.1.1 20060525 (Red Hat 4.1.1-1)
cc_compile_by          : root
cc_compile_domain      : [unknown]
cc_compile_date        : Tue Oct 10 15:42:08 PDT 2006

dmesg extract from dom0
Timer ISR/2: Time went backwards: delta=-29419945 delta_cpu=10580055
shadow=77978342665733 off=19914551 processed=77978392000000
cpu_processed=77978352000000
 0: 77978392000000
 1: 77978352000000
 2: 77978352000000
 3: 77978344000000

xm dmesg | grep -i timer
(XEN) ..TIMER: vector=0xF0 apic1=0 pin1=2 apic2=-1 pin2=-1
(XEN) Platform timer is 1.193MHz PIT
(XEN) Machine check exception polling timer started.

xm dmesg xdev01 | grep -i timer
(XEN) ..TIMER: vector=0xF0 apic1=0 pin1=2 apic2=-1 pin2=-1
(XEN) Platform timer is 1.193MHz PIT
(XEN) Machine check exception polling timer started.


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