[Xen-devel] hvm domain crash

[Karl Rister <kmr@xxxxxxxxxx>]

While running dbench inside an hvm domain I received the following on the 
console:

(XEN) Invalid CR3 value=10f780000domain_crash_sync called from vmx.c:1679
(XEN) Domain 5 (vcpu#1) crashed on cpu#4:
(XEN) ----[ Xen-3.0-unstable  x86_64  debug=n  Not tainted ]----
(XEN) CPU:    4
(XEN) RIP:    0010:[<ffffffff8017680c>]
(XEN) RFLAGS: 0000000000000293   CONTEXT: hvm
(XEN) rax: 000000010f780000   rbx: 0000000000000001   rcx: 0000000000000000
(XEN) rdx: ffff81010f780000   rsi: 0000000000000000   rdi: ffff81010fc6db5c
(XEN) rbp: ffffffff803f3000   rsp: ffff81010fc6fb48   r8:  0000000000000000
(XEN) r9:  0000000000000000   r10: 0000000000000000   r11: 0000000000000000
(XEN) r12: ffff81010fb39a80   r13: 0000000000000000   r14: ffff81010fc6d510
(XEN) r15: ffff81010fc66ac0   cr0: 000000008005003b   cr4: 00000000000006e0
(XEN) cr3: 000000015f4c1000   cr2: 0000000000000000
(XEN) ds: 0018   es: 0018   fs: 0000   gs: 0000   ss: 0018   cs: 0010

The domain was running with 4 VCPUs and had previously completed the test on a 
single VCPU and 2 VCPU configurations.  The domain was running a baremetal 
2.6.16.29 kernel.  Output from 'xm info' is:

host                   : x460c
release                : 2.6.16.29-xen0-up
version                : #1 Tue Sep 19 16:20:47 CDT 2006
machine                : x86_64
nr_cpus                : 16
nr_nodes               : 1
sockets_per_node       : 4
cores_per_socket       : 2
threads_per_core       : 2
cpu_mhz                : 3002
hw_caps                : 
bfebfbff:20100800:00000000:00000180:000065bd:00000000:00000001
total_memory           : 14335
free_memory            : 13633
xen_major              : 3
xen_minor              : 0
xen_extra              : -unstable
xen_caps               : xen-3.0-x86_64 hvm-3.0-x86_32 hvm-3.0-x86_32p 
hvm-3.0-x86_64
xen_pagesize           : 4096
platform_params        : virt_start=0xffff800000000000
xen_changeset          : Tue Sep 19 08:26:47 2006 +0100 11536:041be3f6b38e
cc_compiler            : gcc version 4.1.0 (SUSE Linux)
cc_compile_by          : root
cc_compile_domain      : ltc.austin.ibm.com
cc_compile_date        : Tue Sep 19 16:15:52 CDT 2006
xend_config_format     : 2


-- 
Karl Rister
IBM Linux Performance Team
kmr@xxxxxxxxxx

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