[Xen-users] HVM crash with raw_aio_remove

[Marco Cintolesi <mcinto-lists@xxxxxxxxxxxx>]

Hi All
Three days ago we started to see some problems on one of hour XEN hosts:
The server is a Centos 5.3 with xen 3.4.1 from Gitco rep.

sometimes some domains (win 2k3 server) crashes with this messages from 
xend log:
device model failure: pid 17081: malfunctioning (closed sentinel), 
killed; see /var/log/xen/qemu-dm-xxx.log
in the qemu log the last line is:
raw_aio_remove: aio request not found!

the domain config file is:

name = "abc"
kernel = "/usr/lib/xen/boot/hvmloader"
builder = "hvm"
device_model = "/usr/lib64/xen/bin/qemu-dm"
disk = 
["phy:/dev/disk/by-path/ip-10.20.30.1:3260-iscsi-vsp:1070-lun-1,hda,w","tap:aio:/opt/vservers/isos/rescue,hdc:cdrom,r"]
memory = 2048
maxmem = 2048
vcpus = 4
cpu_weight = 1
acpi = 1
apic = 1
vif = [ "mac=00:16:3e:c1:a2:a3" ]
boot = "c"
vnc = 1
vncdisplay = 111
vncpasswd = "1234"
keymap = "it"
usbdevice = "tablet"
on_poweroff = 'destroy'
on_reboot = 'restart'
on_crash = 'restart'


What can i check ?

Thanks
Marco


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