[Bug 238549] [NEW] xen dom0 crashes with "BUG: soft lockup - CPU#0 stuck for 11s!"

[Sergio]

Public bug reported:

Binary package hint: linux-image-xen

sb_release -rd
Description:	Ubuntu 8.04
Release:	8.04

relevant syslog:
[...]
Jun  9 08:07:21 morpheus kernel: [29522.326860] BUG: soft lockup - CPU#0 stuck for 11s! [savelog:11194]
Jun  9 08:07:21 morpheus kernel: [29522.326875]
Jun  9 08:07:21 morpheus kernel: [29522.326881] Pid: 11194, comm: savelog Tainted: G    B D (2.6.24-19-xen #2)
Jun  9 08:07:21 morpheus kernel: [29522.326888] EIP: 0061:[dm_mod:_spin_lock+0x7/0x10] EFLAGS: 00000282 CPU: 0
Jun  9 08:07:21 morpheus kernel: [29522.326903] EIP is at _spin_lock+0x7/0x10
Jun  9 08:07:21 morpheus kernel: [29522.326908] EAX: c1daf2ec EBX: 00000000 ECX: 17097000 EDX: 00000000
Jun  9 08:07:21 morpheus kernel: [29522.326912] ESI: 38297067 EDI: 00000000 EBP: d7097f30 ESP: d70d5e7c
Jun  9 08:07:21 morpheus kernel: [29522.326916]  DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0069
Jun  9 08:07:21 morpheus kernel: [29522.326928] CR0: 8005003b CR2: 08062614 CR3: 1927b000 CR4: 00000660
Jun  9 08:07:21 morpheus kernel: [29522.326935] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
Jun  9 08:07:21 morpheus kernel: [29522.326942] DR6: ffff0ff0 DR7: 00000400
Jun  9 08:07:21 morpheus kernel: [29522.326947]  [copy_page_range+0x4c1/0x950] copy_page_range+0x4c1/0x950
Jun  9 08:07:21 morpheus kernel: [29522.327107]  [copy_process+0x8c1/0x1200] copy_process+0x8c1/0x1200
Jun  9 08:07:21 morpheus kernel: [29522.327168]  [do_page_fault+0x366/0xe90] do_page_fault+0x366/0xe90
Jun  9 08:07:21 morpheus kernel: [29522.327248]  [do_fork+0x40/0x260] do_fork+0x40/0x260
Jun  9 08:07:21 morpheus kernel: [29522.327284]  [<c011df90>] default_wake_function+0x0/0x10
Jun  9 08:07:21 morpheus kernel: [29522.327307]  [sys_clone+0x36/0x40] sys_clone+0x36/0x40
Jun  9 08:07:21 morpheus kernel: [29522.327331]  [syscall_call+0x7/0x0b] syscall_call+0x7/0xb
Jun  9 08:07:21 morpheus kernel: [29522.327372]  [vcc_def_wakeup+0x10/0x60] vcc_def_wakeup+0x10/0x60
Jun  9 08:07:21 morpheus kernel: [29522.327410]  =======================
[...]

uname -r:
2.6.24-18-xen

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	: Intel(R) Pentium(R) 4 CPU 3.20GHz
stepping	: 1
cpu MHz		: 3200.712
cache size	: 1024 KB
physical id	: 0
siblings	: 2
core id		: 0
cpu cores	: 1
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
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 constant_tsc pebs bts sync_rdtsc pni monitor ds_cpl cid xtpr
bogomips	: 6406.44
clflush size	: 64

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	: Intel(R) Pentium(R) 4 CPU 3.20GHz
stepping	: 1
cpu MHz		: 3200.712
cache size	: 1024 KB
physical id	: 0
siblings	: 2
core id		: 0
cpu cores	: 1
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
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 constant_tsc pebs bts sync_rdtsc pni monitor ds_cpl cid xtpr
bogomips	: 6401.50
clflush size	: 64

lspci:
00:00.0 Host bridge: Intel Corporation 82875P/E7210 Memory Controller Hub (rev 02)
00:03.0 PCI bridge: Intel Corporation 82875P/E7210 Processor to PCI to CSA Bridge (rev 02)
00:06.0 System peripheral: Intel Corporation 82875P/E7210 Processor to I/O Memory Interface (rev 02)
00:1c.0 PCI bridge: Intel Corporation 6300ESB 64-bit PCI-X Bridge (rev 02)
00:1d.0 USB Controller: Intel Corporation 6300ESB USB Universal Host Controller (rev 02)
00:1d.1 USB Controller: Intel Corporation 6300ESB USB Universal Host Controller (rev 02)
00:1d.4 System peripheral: Intel Corporation 6300ESB Watchdog Timer (rev 02)
00:1d.5 PIC: Intel Corporation 6300ESB I/O Advanced Programmable Interrupt Controller (rev 02)
00:1d.7 USB Controller: Intel Corporation 6300ESB USB2 Enhanced Host Controller (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 0a)
00:1f.0 ISA bridge: Intel Corporation 6300ESB LPC Interface Controller (rev 02)
00:1f.2 IDE interface: Intel Corporation 6300ESB SATA Storage Controller (rev 02)
00:1f.3 SMBus: Intel Corporation 6300ESB SMBus Controller (rev 02)
02:01.0 Ethernet controller: Intel Corporation 82547GI Gigabit Ethernet Controller
04:02.0 VGA compatible controller: ATI Technologies Inc Radeon RV100 QY [Radeon 7000/VE]
04:08.0 Multimedia audio controller: Ensoniq ES1371 [AudioPCI-97] (rev 06)


The system freezes in a random time and the syslog reports the informations above after reboot.

Thanks 
--Sergio

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

-- 
xen dom0 crashes with "BUG: soft lockup - CPU#0 stuck for 11s!"
https://bugs.launchpad.net/bugs/238549
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