[Bug 259487] [NEW] xen virtual Machines and Dom0 crashes with "BUG: soft lockup - CPU#0, CPU#1, CPU#2, CPU#3 stuck for 11s!"

[Maiquel]

Public bug reported:

Ubuntu 8.04 
uname -r 
-2.6.24-19-xen

syslogd.conf
[...]
kernel: BUG: soft lockup - CPU#0 stuck for 11s! [savelog:]
kernel: BUG: soft lockup - CPU#1 stuck for 11s! [postgres:]
kernel: BUG: soft lockup - CPU#2 stuck for 11s! [mysql:]
kernel: BUG: soft lockup - CPU#3 stuck for 11s! [syslog:]
Pid: 11194, comm: savelog Tainted: G B D (2.6.24-19-xen #2)
EIP: 0061:[dm_mod:_spin_lock+0x7/0x10] EFLAGS: 00000282 CPU: 0
EIP is at _spin_lock+0x7/0x10
EAX: c1daf2ec EBX: 00000000 ECX: 17097000 EDX: 00000000

#cat /proc/cpuinfo
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 15
model name	: Intel(R) Core(TM)2 Quad CPU           @ 2.40GHz
stepping	: 7
cpu MHz		: 2400.029
cache size	: 4096 KB
physical id	: 0
siblings	: 4
core id		: 0
cpu cores	: 4
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 10
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc arch_perfmon pebs bts pni monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr lahf_lm
bogomips	: 4803.37
clflush size	: 64

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 15
model name	: Intel(R) Core(TM)2 Quad CPU           @ 2.40GHz
stepping	: 7
cpu MHz		: 2400.029
cache size	: 4096 KB
physical id	: 0
siblings	: 4
core id		: 1
cpu cores	: 4
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 10
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc arch_perfmon pebs bts pni monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr lahf_lm
bogomips	: 4800.11
clflush size	: 64

processor	: 2
vendor_id	: GenuineIntel
cpu family	: 6
model		: 15
model name	: Intel(R) Core(TM)2 Quad CPU           @ 2.40GHz
stepping	: 7
cpu MHz		: 2400.029
cache size	: 4096 KB
physical id	: 0
siblings	: 4
core id		: 2
cpu cores	: 4
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 10
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc arch_perfmon pebs bts pni monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr lahf_lm
bogomips	: 4800.11
clflush size	: 64

processor	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 15
model name	: Intel(R) Core(TM)2 Quad CPU           @ 2.40GHz
stepping	: 7
cpu MHz		: 2400.029
cache size	: 4096 KB
physical id	: 0
siblings	: 4
core id		: 3
cpu cores	: 4
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 10
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc arch_perfmon pebs bts pni monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr lahf_lm
bogomips	: 4800.12
clflush size	: 64

#lspci 
00:00.0 Host bridge: nVidia Corporation C55 Host Bridge (rev a2)
00:00.1 RAM memory: nVidia Corporation C55 Memory Controller (rev a1)
00:00.2 RAM memory: nVidia Corporation C55 Memory Controller (rev a1)
00:00.3 RAM memory: nVidia Corporation C55 Memory Controller (rev a1)
00:00.4 RAM memory: nVidia Corporation C55 Memory Controller (rev a1)
00:00.5 RAM memory: nVidia Corporation C55 Memory Controller (rev a2)
00:00.6 RAM memory: nVidia Corporation C55 Memory Controller (rev a1)
00:00.7 RAM memory: nVidia Corporation C55 Memory Controller (rev a1)
00:01.0 RAM memory: nVidia Corporation C55 Memory Controller (rev a1)
00:01.1 RAM memory: nVidia Corporation C55 Memory Controller (rev a1)
00:01.2 RAM memory: nVidia Corporation C55 Memory Controller (rev a1)
00:01.3 RAM memory: nVidia Corporation C55 Memory Controller (rev a1)
00:01.4 RAM memory: nVidia Corporation C55 Memory Controller (rev a1)
00:01.5 RAM memory: nVidia Corporation C55 Memory Controller (rev a1)
00:01.6 RAM memory: nVidia Corporation C55 Memory Controller (rev a1)
00:02.0 RAM memory: nVidia Corporation C55 Memory Controller (rev a1)
00:02.1 RAM memory: nVidia Corporation C55 Memory Controller (rev a1)
00:02.2 RAM memory: nVidia Corporation C55 Memory Controller (rev a1)
00:03.0 PCI bridge: nVidia Corporation C55 PCI Express bridge (rev a1)
00:07.0 PCI bridge: nVidia Corporation C55 PCI Express bridge (rev a1)
00:09.0 RAM memory: nVidia Corporation MCP51 Host Bridge (rev a2)
00:0a.0 ISA bridge: nVidia Corporation MCP51 LPC Bridge (rev a3)
00:0a.1 SMBus: nVidia Corporation MCP51 SMBus (rev a3)
00:0a.2 RAM memory: nVidia Corporation MCP51 Memory Controller 0 (rev a3)
00:0b.0 USB Controller: nVidia Corporation MCP51 USB Controller (rev a3)
00:0b.1 USB Controller: nVidia Corporation MCP51 USB Controller (rev a3)
00:0d.0 IDE interface: nVidia Corporation MCP51 IDE (rev a1)
00:0e.0 IDE interface: nVidia Corporation MCP51 Serial ATA Controller (rev a1)
00:0f.0 IDE interface: nVidia Corporation MCP51 Serial ATA Controller (rev a1)
00:10.0 PCI bridge: nVidia Corporation MCP51 PCI Bridge (rev a2)
00:10.1 Audio device: nVidia Corporation MCP51 High Definition Audio (rev a2)
00:14.0 Bridge: nVidia Corporation MCP51 Ethernet Controller (rev a3)
01:00.0 VGA compatible controller: ATI Technologies Inc RV380 0x3e50 [Radeon X600]
01:00.1 Display controller: ATI Technologies Inc RV380 [Radeon X600] (Secondary)
03:08.0 FireWire (IEEE 1394): VIA Technologies, Inc. IEEE 1394 Host Controller (rev c0)

The system freezes when it has high load of I / O, then lock the virtual
machines and Dom0 following.

** Affects: linux-meta (Ubuntu)
     Importance: Undecided
         Status: New

-- 
xen virtual Machines and Dom0 crashes with "BUG: soft lockup - CPU#0,CPU#1,CPU#2,CPU#3 stuck for 11s!"
https://bugs.launchpad.net/bugs/259487
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