[Xen-users] Re: BSOD "A clock interrupt was not recevied ona secondary processor within the allocated time interval"

["Andrew Lyon" <andrew.lyon@xxxxxxxxx>]

On Mon, Dec 29, 2008 at 9:32 AM, Andrew Lyon <andrew.lyon@xxxxxxxxx> wrote:
> Hi,
>
> When dom0 is under heavy load any Vista or Windows 2008 HVM's that are
> running and have multiple cpu's assigned often  BSOD with code
> 0x00000101 "A clock interrupt was not recevied ona  secondary
> processor within the allocated time interval"
>
> It only happens if the load in dom0 is high enough to make the mouse
> pointer lagged, once the mouse fails to track in realtime the hvm's
> start to bsod within a few seconds.
>
> I have tried several versions of Xen including 3.2, 3.3 and 3.3.1 rc4,
> and various kernels including the 2.6.18 xensource and 2.6.27-xen.hg.
>
> Here is a example config from one of my vista hvms, is there a
> timer/rtc setting that I need to add to avoid this problem?
>
> import os, re
> arch = os.uname()[4]
> if re.search('64', arch):
>    arch_libdir = 'lib64'
> else:
>    arch_libdir = 'lib'
> kernel = "/usr/lib/xen/boot/hvmloader"
> builder='hvm'
> memory = 2048
> name = "Vistax86"
> uuid = "b7bd2f2f-169f-4789-8aee-eaa77c543c99"
> vcpus=8
> vif = [ 'mac=00:16:3e:7d:bc:b1' ]
> disk = [ 'phy:/dev/vg_raptor/lv_vistax86,hda,w', ',hdc:cdrom,r' ]
> device_model = '/usr/' + arch_libdir + '/xen/bin/qemu-dm'
> boot="d"
> sdl=0
> vnc=1
> vnclisten="127.0.0.1"
> vncdisplay=11
> vncpasswd='vv8176a'
> stdvga=0
> serial='pty'
> usbdevice='tablet'
> cpuid=['1:edx=xxx1xxxxxxxxxxxxxxxxxxxxxxxxxxxx,ebx=xxxxxxxx00010000xxxxxxxxxxxxxxxx','4,0:eax=001111xxxxxxxxxxxxxxxxxxxxxxxxxx']
> keymap='en-gb'
>
> Andy
>

I think this is a known issue which has incorrectly been marked as
FIXED in bugzilla:

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1117

there is a second bug report of the same problem, this time with more details:

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1065

Is there a fix?

Andy

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