[Xen-devel] [xen-4.0.1-rc5-pre] [pvops 2.6.32.16] Complete freeze within 2 days, no info in serial log

[Sander Eikelenboom <linux@xxxxxxxxxxxxxx>]

Hi All,

I'm experiencing for what it seems a random freeze with current 
xen-4.0-testing, pvops dom0 2.6.32.16 kernel, most of the time within 2 days 
after rebooting.

Symptoms:
- Complete freeze, only power cycle does work.
- No bug output/stacktrace in serial log / on screen.
- Not able to get into hypervisor with ctrl-a (doesn't react to keyboard)
- No info in syslog.

Are there any more boot options I could give a try in the hope it will give 
some debug output ?



title           xen-4.0.1-rc5-pre.gz / Debian GNU/Linux, 
2.6.32.16+xen-2.6.32.x-20100731
root            (hd0,0)
kernel          /xen-4.0.1-rc5-pre.gz dom0_mem=768M loglvl=all loglvl_guest=all 
com1=115200,8n1 sync_console console_to_ring console=com1,vga 
iommu=0,verbose,amd_iommu_debug lapic=debug apic_verbosity=debug apic=debug
module          /vmlinuz-2.6.32.16+xen-2.6.32.x-20100731 
root=/dev/mapper/serveerstertje-root ro earlyprintk=xen max_loop=255 
loop_max_part=63 console=hvc0 
xen-pciback.hide=(03:06.0)(04:00.0)(08:00.0)(0a:01.1)(0a:01.2)(0f:00.0) 
pci=resource_alignment=03:06.0;04:00.0;08:00.0;0a:01.0;0a:01.1;0a:01.2;0f:00.0
module          /initrd.img-2.6.32.16+xen-2.6.32.x-20100731







serveerstertje:~# xm info
host                   : serveerstertje
release                : 2.6.32.16+xen-2.6.32.x-20100731
version                : #1 SMP Sat Jul 31 14:27:35 CEST 2010
machine                : x86_64
nr_cpus                : 6
nr_nodes               : 1
cores_per_socket       : 6
threads_per_core       : 1
cpu_mhz                : 3200
hw_caps                : 
178bf3ff:efd3fbff:00000000:00001310:00802001:00000000:000037ff:00000000
virt_caps              : hvm
total_memory           : 8191
free_memory            : 6312
node_to_cpu            : node0:0-5
node_to_memory         : node0:6312
node_to_dma32_mem      : node0:2876
max_node_id            : 0
xen_major              : 4
xen_minor              : 0
xen_extra              : .1-rc5-pre
xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 
hvm-3.0-x86_32p hvm-3.0-x86_64
xen_scheduler          : credit
xen_pagesize           : 4096
platform_params        : virt_start=0xffff800000000000
xen_changeset          : Sun Jul 25 22:22:43 2010 +0100 21287:e6b5b2cb8146
xen_commandline        : dom0_mem=768M loglvl=all loglvl_guest=all 
com1=115200,8n1 sync_console console_to_ring console=com1,vga 
iommu=0,verbose,amd_iommu_debug lapic=debug apic_verbosity=debug apic=debug
cc_compiler            : gcc version 4.3.2 (Debian 4.3.2-1.1)
cc_compile_by          : root
cc_compile_domain      :
cc_compile_date        : Sat Jul 31 12:06:59 CEST 2010
xend_config_format     : 4


commit 78b55f90e72348e231092dbe3e50ac7414b9e1af
Merge: c0a00fb... dee9469...
Author: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
Date:   Wed Jul 28 00:19:39 2010 -0700

    Merge branch 'xen/next-2.6.32' into xen/stable-2.6.32.x

    * xen/next-2.6.32: (24 commits)
      cmpxchg: fix some 32-bit typos
      x86/cmpxchg: fix asm constraints to mention memory modification
      apply_to_page_range: fix compilation warning
      xen/blktap: #if CONFIG_XEN -> #ifdef CONFIG_XEN
      x86/hugepte: use set_pgd for 2-level pagetables
      implement O_NONBLOCK for /proc/xen/xenbus
      xen-pcifront: Remove usage of spin-locks.
      xen-pciback: Redo spinlock usage.
      xen-pcifront: Fix spinlock usage.
      xen-pcifront: Don't race with udev when discovering new devices.
      xen/blktap: make protocol specific usage of shared sring explicit
      xen/netback: make protocol specific usage of shared sring explicit
      xen/rings: make protocol specific usage of shared sring explicit
      xen/rings: make protocol specific usage of shared sring explicit
      xen/netfront: make protocol specific usage of shared sring explicit
      xen/rings: make protocol specific usage of shared sring explicit
      xen/rings: make protocol specific usage of shared sring explicit
      xen/blkback: Flush blkback data when connecting.
      xen: support large numbers of CPUs with vcpu info placement
      rtnetlink: make SR-IOV VF interface symmetric
      ...


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