[Bug 1223288] [NEW] dom0 hangs after creating a new domU

nfhoge nfhoge at gmail.com
Tue Sep 10 10:52:33 UTC 2013


Public bug reported:

release of Ubuntu : 13.04
package : xen-utils-common 4.2.1-0ubuntu3.1

Creating domU causes OOM and kills dom0 while physical memory  is not
full.

-- Hardware Information --
Memory 24G

-- domU  Resource Usage --
# xl list
Name                          ID                  Mem            VCPUs           State     Time(s)
Domain-0                   0  2048     2     r-----      47.9
domU1                       1  3835     2     -b----       9.0
domU2                       2  3835     2     -b----      32.5
domU3                       3  3835     2     -b----       1.4

-- new domU configuration --
# vim config
builder = "hvm"
name    = "domU4"
memory  = 8192
vcpus   = 2
vif  = ['bridge=xenbr***']
disk = ['phy:/dev/vg00/domU4_root,hda,w',
        'phy:/dev/vg00/domU4_swap,hdb,w', ]
boot = "n"
vnc        = 2
vnclisten  = "0.0.0.0"
vncpasswd  = "****"

-- /var/log/kernel after "xl create domU4.conf"  --
Sep  5 11:10:05 dom0 kernel: [3087616.306594] qemu-dm invoked oom-killer: gfp_mask=0x201da, order=0, oom_score_adj=0
Sep  5 11:10:06 dom0 kernel: [3087616.306599] qemu-dm cpuset=/ mems_allowed=0
Sep  5 11:10:06 dom0 kernel: [3087616.306602] Pid: 3981, comm: qemu-dm Tainted: GF            3.8.0-26-generic #38-Ubuntu
Sep  5 11:10:06 dom0 kernel: [3087616.306604] Call Trace:
Sep  5 11:10:06 dom0 kernel: [3087616.306612]  [<ffffffff816c0d04>] dump_header+0x80/0x1c3
Sep  5 11:10:06 dom0 kernel: [3087616.306617]  [<ffffffff81132d67>] oom_kill_process+0x1b7/0x320
…
Sep  5 11:14:01 dom0 kernel: [3087833.452352] Out of memory: Kill process 32383 (puppet) score 0 or sacrifice child
Sep  5 11:14:01 dom0 kernel: [3087833.452428] Killed process 32383 (puppet) total-vm:173632kB, anon-rss:0kB, file-rss:0kB
Sep  5 11:16:17 dom0 kernel: imklog 5.8.11, log source = /proc/kmsg started.
Sep  5 11:16:17 dom0 kernel: [    0.000000] Initializing cgroup subsys cpuset
Sep  5 11:16:17 dom0 kernel: [    0.000000] Initializing cgroup subsys cpu
----------------------------------------------------

** Affects: xen (Ubuntu)
     Importance: Undecided
         Status: New

** Description changed:

  release of Ubuntu : 13.04
  package : xen-utils-common 4.2.1-0ubuntu3.1
  
- Creating domU causes OOM and kills dom0 while physical memory  is no
+ Creating domU causes OOM and kills dom0 while physical memory  is not
  full.
  
  -- Hardware Information --
  Memory 24G
  
  -- domU  Resource Usage --
  # xl list
  Name                          ID                  Mem            VCPUs           State     Time(s)
  Domain-0                   0  2048     2     r-----      47.9
  domU1                       1  3835     2     -b----       9.0
  domU2                       2  3835     2     -b----      32.5
  domU3                       3  3835     2     -b----       1.4
  
  -- new domU configuration --
  # vim config
  builder = "hvm"
  name    = "domU4"
  memory  = 8192
  vcpus   = 2
  vif  = ['bridge=xenbr***']
  disk = ['phy:/dev/vg00/domU4_root,hda,w',
-         'phy:/dev/vg00/domU4_swap,hdb,w', ]
+         'phy:/dev/vg00/domU4_swap,hdb,w', ]
  boot = "n"
  vnc        = 2
  vnclisten  = "0.0.0.0"
  vncpasswd  = "****"
  
  -- /var/log/kernel after "xl create test.conf"  --
  Sep  5 11:10:05 dom0 kernel: [3087616.306594] qemu-dm invoked oom-killer: gfp_mask=0x201da, order=0, oom_score_adj=0
  Sep  5 11:10:06 dom0 kernel: [3087616.306599] qemu-dm cpuset=/ mems_allowed=0
  Sep  5 11:10:06 dom0 kernel: [3087616.306602] Pid: 3981, comm: qemu-dm Tainted: GF            3.8.0-26-generic #38-Ubuntu
  Sep  5 11:10:06 dom0 kernel: [3087616.306604] Call Trace:
  Sep  5 11:10:06 dom0 kernel: [3087616.306612]  [<ffffffff816c0d04>] dump_header+0x80/0x1c3
  Sep  5 11:10:06 dom0 kernel: [3087616.306617]  [<ffffffff81132d67>] oom_kill_process+0x1b7/0x320
  …
  Sep  5 11:14:01 dom0 kernel: [3087833.452352] Out of memory: Kill process 32383 (puppet) score 0 or sacrifice child
  Sep  5 11:14:01 dom0 kernel: [3087833.452428] Killed process 32383 (puppet) total-vm:173632kB, anon-rss:0kB, file-rss:0kB
  Sep  5 11:16:17 dom0 kernel: imklog 5.8.11, log source = /proc/kmsg started.
  Sep  5 11:16:17 dom0 kernel: [    0.000000] Initializing cgroup subsys cpuset
  Sep  5 11:16:17 dom0 kernel: [    0.000000] Initializing cgroup subsys cpu
  ----------------------------------------------------

** Description changed:

  release of Ubuntu : 13.04
  package : xen-utils-common 4.2.1-0ubuntu3.1
  
  Creating domU causes OOM and kills dom0 while physical memory  is not
  full.
  
  -- Hardware Information --
  Memory 24G
  
  -- domU  Resource Usage --
  # xl list
  Name                          ID                  Mem            VCPUs           State     Time(s)
  Domain-0                   0  2048     2     r-----      47.9
  domU1                       1  3835     2     -b----       9.0
  domU2                       2  3835     2     -b----      32.5
  domU3                       3  3835     2     -b----       1.4
  
  -- new domU configuration --
  # vim config
  builder = "hvm"
  name    = "domU4"
  memory  = 8192
  vcpus   = 2
  vif  = ['bridge=xenbr***']
  disk = ['phy:/dev/vg00/domU4_root,hda,w',
          'phy:/dev/vg00/domU4_swap,hdb,w', ]
  boot = "n"
  vnc        = 2
  vnclisten  = "0.0.0.0"
  vncpasswd  = "****"
  
- -- /var/log/kernel after "xl create test.conf"  --
+ -- /var/log/kernel after "xl create domU4.conf"  --
  Sep  5 11:10:05 dom0 kernel: [3087616.306594] qemu-dm invoked oom-killer: gfp_mask=0x201da, order=0, oom_score_adj=0
  Sep  5 11:10:06 dom0 kernel: [3087616.306599] qemu-dm cpuset=/ mems_allowed=0
  Sep  5 11:10:06 dom0 kernel: [3087616.306602] Pid: 3981, comm: qemu-dm Tainted: GF            3.8.0-26-generic #38-Ubuntu
  Sep  5 11:10:06 dom0 kernel: [3087616.306604] Call Trace:
  Sep  5 11:10:06 dom0 kernel: [3087616.306612]  [<ffffffff816c0d04>] dump_header+0x80/0x1c3
  Sep  5 11:10:06 dom0 kernel: [3087616.306617]  [<ffffffff81132d67>] oom_kill_process+0x1b7/0x320
  …
  Sep  5 11:14:01 dom0 kernel: [3087833.452352] Out of memory: Kill process 32383 (puppet) score 0 or sacrifice child
  Sep  5 11:14:01 dom0 kernel: [3087833.452428] Killed process 32383 (puppet) total-vm:173632kB, anon-rss:0kB, file-rss:0kB
  Sep  5 11:16:17 dom0 kernel: imklog 5.8.11, log source = /proc/kmsg started.
  Sep  5 11:16:17 dom0 kernel: [    0.000000] Initializing cgroup subsys cpuset
  Sep  5 11:16:17 dom0 kernel: [    0.000000] Initializing cgroup subsys cpu
  ----------------------------------------------------

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https://bugs.launchpad.net/bugs/1223288

Title:
  dom0 hangs after creating a new domU

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