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Bug#535941: marked as done (linux-image-2.6.26-2-xen-686: domU crashes daily)

Your message dated Mon, 12 Oct 2009 09:36:07 +0100
with message-id <1255336567.2488.21.camel@localhost>
and subject line Re: Bug#535941: linux-image-2.6.26-2-xen-686: domU crashes daily
has caused the Debian Bug report #535941,
regarding linux-image-2.6.26-2-xen-686: domU crashes daily
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
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-- 
535941: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=535941
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: linux-image-2.6.26-2-xen-686
Version: 2.6.26-17
Severity: grave
Justification: renders package unusable

domU crashes randomly... 

I have annother Lenny Xen-Hostsystem with 2.6.18-6-xen-686 dom0-kernel
(from etch) and everything works perfect. Both systems won't work with 2.6.26-2-xen-686.


xm dmesg:
(XEN) domain_crash_sync called from entry.S (ff188600)
(XEN) Domain 6 (vcpu#2) crashed on cpu#2:
(XEN) ----[ Xen-3.2-1  x86_32p  debug=n  Not tainted ]----
(XEN) CPU:    2
(XEN) EIP:    0061:[<c01013a7>]
(XEN) EFLAGS: 00000246   CONTEXT: guest
(XEN) eax: 00000000   ebx: 00000001   ecx: 00000000   edx: ed447f90
(XEN) esi: 00000002   edi: 00000002   ebp: 00000000   esp: ed447f84
(XEN) cr0: 8005003b   cr4: 000026f0   cr3: 001b4ca0   cr2: b7ee59e0
(XEN) ds: 007b   es: 007b   fs: 00d8   gs: 0000   ss: 0069   cs: 0061
(XEN) Guest stack trace from esp=ed447f84:
(XEN)    c0105f52 ffffffff 00000002 c0848f4e 00008225 00000000 00000000 ffffffff
(XEN)    c01028ab c0102810 00000000 00000000 00000000 00000000 00000000 00000000
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 000000d8 00000000
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000
(XEN) mm.c:645:d13 Non-privileged (13) attempt to map I/O space 0025b0a8
(XEN) mm.c:3493:d13 ptwr_emulate: fixing up invalid PAE PTE 000000025b0a8025
(XEN) mm.c:645:d14 Non-privileged (14) attempt to map I/O space 002734a8
(XEN) mm.c:3493:d14 ptwr_emulate: fixing up invalid PAE PTE 00000002734a8025

xend.log:
[2009-07-04 01:30:03 2981] WARNING (XendDomainInfo:1258) Domain has crashed: name=XXXXXXXXXXX id=6.
[2009-07-04 01:30:03 2981] DEBUG (XendDomainInfo:1914) XendDomainInfo.destroyDomain(6)
[2009-07-04 01:30:03 2981] DEBUG (XendDomainInfo:1529) Destroying device model
[2009-07-04 01:30:03 2981] DEBUG (XendDomainInfo:1536) Releasing devices
[2009-07-04 01:30:03 2981] DEBUG (XendDomainInfo:1542) Removing vif/0
[2009-07-04 01:30:03 2981] DEBUG (XendDomainInfo:590) XendDomainInfo.destroyDevi
ce: deviceClass = vif, device = vif/0
[2009-07-04 01:30:03 2981] DEBUG (XendDomainInfo:1542) Removing vbd/2049
[2009-07-04 01:30:03 2981] DEBUG (XendDomainInfo:590) XendDomainInfo.destroyDevice: deviceClass = vbd, device = vbd/2049
[2009-07-04 01:30:03 2981] DEBUG (XendDomainInfo:1542) Removing vbd/2050
[2009-07-04 01:30:03 2981] DEBUG (XendDomainInfo:590) XendDomainInfo.destroyDevice: deviceClass = vbd, device = vbd/2050
[2009-07-04 01:30:03 2981] DEBUG (XendDomainInfo:1542) Removing console/0
[2009-07-04 01:30:03 2981] DEBUG (XendDomainInfo:590) XendDomainInfo.destroyDevice: deviceClass = console, device = console/0
[2009-07-04 01:30:03 2981] DEBUG (XendDomainInfo:1534) No device model
[2009-07-04 01:30:03 2981] DEBUG (XendDomainInfo:1536) Releasing devices
[2009-07-04 01:30:03 2981] DEBUG (XendDomainInfo:106) XendDomainInfo.create_from_dict({'vcpus_params': {'cap': 0, 'weight': 256}, 'PV_args': 'root=/dev/sda2 ro ', 'features': '', 'cpus': [], 'paused': 0, 'actions_after_reboot': 'restart', 'shutdown': 0, 'VCPUs_live': 1, 'PV_bootloader': '', 'actions_after_crash': 'restart', 'vbd_refs': ['76379e03-6ad8-1014-3bf4-efa0ab0b9d7d', 'd75b2a27-dcc5-59ae-18b8-79cd54d46c08'], 'PV_ramdisk': '/boot/initrd.img-2.6.26-2-xen-686', 'is_control_domain': False, 'name_label': 'trsggrea', 'VCPUs_at_startup': 1, 'HVM_boot_params': {}, 'platform': {}, 'PV_kernel': '/boot/vmlinuz-2.6.26-2-xen-686', 'console_refs': ['58eeeb1d-01b3-8872-2488-97f50c60b17e'], 'online_vcpus': 4, 'blocked': 0, 'on_xend_stop': 'ignore', 'memory_static_min': 0, 'HVM_boot_policy': '', 'shutdown_reason': 3, 'VCPUs_max': 4, 'start_time': 1246543544.3383191, 'memory_static_max': 4294967296L, 'actions_after_shutdown': 'destroy', 'on_xend_start': 'ignore', 'crashed': 1, 'memory_
 dynamic_max': 4294967296L, 'actions_after_suspend': '', 'is_a_template': False, 'PV_bootloader_args': '', 'memory_dynamic_min': 4294967296L, 'uuid': 'e5592f0e-aed4-cee7-4bf9-dc752db243ad', 'cpu_time': 3108.4089437950001, 'shadow_memory': 0, 'dying': 1, 'vcpu_avail': 15, 'notes': {'HV_START_LOW': 4118806528L, 'FEATURES': 'writable_page_tables|writable_descriptor_tables|auto_translated_physmap|pae_pgdir_above_4gb|supervisor_mode_kernel', 'VIRT_BASE': 3221225472L, 'GUEST_VERSION': '2.6', 'PADDR_OFFSET': 0, 'GUEST_OS': 'linux', 'HYPERCALL_PAGE': 3222278144L, 'LOADER': 'generic', 'SUSPEND_CANCEL': 1, 'PAE_MODE': 'yes', 'ENTRY': 3222274048L, 'XEN_VERSION': 'xen-3.0'}, 'other_config': {}, 'running': 0, 'domid': 6, 'vif_refs': ['4897dbc5-7436-84c8-7af5-ede96161f91e'], 'vtpm_refs': [], 'devices': {'d75b2a27-dcc5-59ae-18b8-79cd54d46c08': ('vbd', {'uuid': 'd75b2a27-dcc5-59ae-18b8-79cd54d46c08', 'bootable': 0, 'devid': 2050, 'driver': 'paravirtualised', 'dev': 'sda2', 'uname': 'phy:/dev
 /vg0/web01-disk', 'mode': 'w'}), '4897dbc5-7436-84c8-7af5-ede96161f91e': ('vif', {'ip': '188.40.58.178', 'mac': '00:16:3e:7c:45:a9', 'devid': 0, 'uuid': '4897dbc5-7436-84c8-7af5-ede96161f91e'}), '76379e03-6ad8-1014-3bf4-efa0ab0b9d7d': ('vbd', {'uuid': '76379e03-6ad8-1014-3bf4-efa0ab0b9d7d', 'bootable': 1, 'devid': 2049, 'driver': 'paravirtualised', 'dev': 'sda1', 'uname': 'phy:/dev/vg0/XXYYXZZZ-swap', 'mode': 'w'}), '58eeeb1d-01b3-8872-2488-97f50c60b17e': ('console', {'location': '2', 'devid': 0, 'protocol': 'vt100', 'uuid': '58eeeb1d-01b3-8872-2488-97f50c60b17e', 'other_config': {}})}})
[2009-07-04 01:30:03 2981] ERROR (XendDomainInfo:111) Domain construction failed
Traceback (most recent call last):
  File "/usr/lib/xen-3.2-1/lib/python/xen/xend/XendDomainInfo.py", line 109, in create_from_dict
    vm.start()
  File "/usr/lib/xen-3.2-1/lib/python/xen/xend/XendDomainInfo.py", line 444, in start
    raise XendError('VM already running')
XendError: VM already running
[2009-07-04 01:30:03 2981] DEBUG (XendDomainInfo:1897) XendDomainInfo.destroy: domid=6
[2009-07-04 01:30:03 2981] ERROR (XendDomainInfo:1425) Failed to restart domain 6.
Traceback (most recent call last):
  File "/usr/lib/xen-3.2-1/lib/python/xen/xend/XendDomainInfo.py", line 1410, in _restart
    self.info)
  File "/usr/lib/xen-3.2-1/lib/python/xen/xend/XendDomain.py", line 975, in domain_create_from_dict
    dominfo = XendDomainInfo.create_from_dict(config_dict)
  File "/usr/lib/xen-3.2-1/lib/python/xen/xend/XendDomainInfo.py", line 109, in create_from_dict
    vm.start()
  File "/usr/lib/xen-3.2-1/lib/python/xen/xend/XendDomainInfo.py", line 444, in start
    raise XendError('VM already running')
XendError: VM already running


-- System Information:
Debian Release: 5.0.2
  APT prefers oldstable
  APT policy: (500, 'oldstable'), (500, 'stable')
Architecture: i386 (i686)

Kernel: Linux 2.6.26-2-xen-686 (SMP w/8 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages linux-image-2.6.26-2-xen-686 depends on:
ii  initramfs-tools               0.92o      tools for generating an initramfs
ii  linux-modules-2.6.26-2-xen-68 2.6.26-17  Linux 2.6.26 modules on i686

Versions of packages linux-image-2.6.26-2-xen-686 recommends:
ii  libc6-xen                     2.7-18     GNU C Library: Shared libraries [X

Versions of packages linux-image-2.6.26-2-xen-686 suggests:
ii  grub                       0.97-47lenny2 GRand Unified Bootloader (Legacy v
pn  linux-doc-2.6.26           <none>        (no description available)

-- no debconf information

--- End Message ---
--- Begin Message --- 
On Mon, 2009-10-12 at 10:26 +0200, Maximilian Mill wrote:
> * Ben Hutchings <ben@decadent.org.uk> [091011 20:13]:
> > If the kernel doesn't even start, I wonder how it can 'crash daily'.
> > Maximilian, please explain.
> I think the domU crashed and xen tried to restart it, then it crashed
> again at "starting/booting". I didn't saw any successful restart of
> the xen domU. After that i did write a cron job which restarted the
> domU's manual after they crashed. This XEN mess did really **** me off
> and i did switch to KVM instead. So i don't have a setup to give more
> information(oops etc).
> 
> I just can say that i saw this crash behaviour on 3 different
> maschines with the lenny dom0 Kernel.
[...]

I'm aware that this kernel version has some serious bugs.  However,
since you are no longer using Xen and have not provided specific
diagnostic information, there is no point in keeping this bug open.

Ben.

-- 
Ben Hutchings
DNRC Motto:  I can please only one person per day.
Today is not your day.  Tomorrow isn't looking good either.

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