[Xen-bugs] [Bug 1265] New: PVM domU kernel oops

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1265

           Summary: PVM domU kernel oops
           Product: Xen
           Version: unspecified
          Platform: x86-64
        OS/Version: Linux
            Status: NEW
          Severity: major
          Priority: P2
         Component: Guest-OS
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: sebastia@xxxxxxxxxxxxxxxxxxxx


I have a SLES10SP1, dom0, with Xen installed from SP2, so Xen 3.2.0 is there
installed. The domU is a opensuse 10.3, i586 host.

The dom0 has 2 dual core CPU's, and the domU has 4 processors configured.

The domU suddenly stopped working, but it still answered pings, the system
itself was idle, a ssh session with a top was showing load of 0.X.
Logged in to the dom0, and xm list showed the virtual domain in blocked IO
state.


The dom0:

uname -a
Linux srv3 2.6.16.57-0.9-xen #1 SMP Mon Jan 21 19:55:27 UTC 2008 x86_64 x86_64
x86_64 GNU/Linux
srv3:~ # xm info
host                   : srv3
release                : 2.6.16.57-0.9-xen
version                : #1 SMP Mon Jan 21 19:55:27 UTC 2008
machine                : x86_64
nr_cpus                : 4
nr_nodes               : 1
cores_per_socket       : 2
threads_per_core       : 1
cpu_mhz                : 2205
hw_caps                :
178bf3ff:e3d3fbff:00000000:00000010:00000001:00000000:00000002
total_memory           : 5975
free_memory            : 1024
max_free_memory        : 1174
max_para_memory        : 1170
max_hvm_memory         : 1159
node_to_cpu            : node0:0-3
xen_major              : 3
xen_minor              : 2
xen_extra              : .0_16718_02-0.5
xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p
xen_scheduler          : credit
xen_pagesize           : 4096
platform_params        : virt_start=0xffff800000000000
xen_changeset          : 16718
cc_compiler            : gcc version 4.1.2 20070115 (prerelease) (SUSE Linux)
cc_compile_by          : abuild
cc_compile_domain      : suse.de
cc_compile_date        : Tue Jan 22 01:13:56 UTC 2008
xend_config_format     : 4
srv3:~ # rpm -qa | grep xen
xen-libs-32bit-3.0.4_13138-0.60
xen-libs-3.2.0_16718_02-0.5
xen-tools-ioemu-3.2.0_16718_02-0.5
xen-doc-html-3.0.4_13138-0.60
xen-3.2.0_16718_02-0.5
kernel-xen-2.6.16.57-0.9
xen-kmp-smp-3.2.0_16718_02_2.6.16.57_0.9-0.5
xen-tools-3.2.0_16718_02-0.5
xen-doc-pdf-3.2.0_16718_02-0.5

The domU:

rpm -qa | grep -i xen
xen-3.1.0_15042-51.3
kernel-xenpae-2.6.22.17-0.1
xen-tools-3.1.0_15042-51.3
xen-libs-3.1.0_15042-51.3
tserver:~ # uname -a
Linux tserver 2.6.22.17-0.1-xenpae #1 SMP 2008/02/10 20:01:04 UTC i686 athlon
i386 GNU/Linux


The dom0 configuration file:

name="TS"
uuid="1363fd4f-a276-31a2-bea5-be965e094ff1"
memory=4600
vcpus=4
on_poweroff="destroy"
on_reboot="restart"
on_crash="destroy"
localtime=0
builder="linux"
bootloader="/usr/lib/xen/boot/domUloader.py"
bootargs="--entry=xvda2:/boot/vmlinuz-xenpae,/boot/initrd-xenpae"
extra="xencons=tty "
disk=[ 'phy:/dev/cciss/c0d0p2,xvda,w', ]
vif=[ 'mac=00:16:a4:a7:b4:14,bridge=bridge10',
        'mac=00:16:3e:25:9e:a0,bridge=bridge3',
        'mac=00:16:3e:25:9e:a1,bridge=bridge4',
        'mac=00:16:3e:25:9e:a2,bridge=bridge5',
        'mac=00:16:3e:25:9e:a3,bridge=bridge6',
        'mac=00:16:3e:25:9e:a4,bridge=bridge7',
        'mac=00:16:3e:25:9e:a5,bridge=bridge9',
        'mac=00:16:3e:25:9e:a6,bridge=bridge12', ]

nographic=1


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