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Re: [Qemu-devel] [RFH] Qemu main thread is blocked in g_poll in windows
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From: |
David Weber |
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Subject: |
Re: [Qemu-devel] [RFH] Qemu main thread is blocked in g_poll in windows guest |
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Date: |
Mon, 21 Oct 2013 15:56:51 +0200 |
We have the exactly same problem on our NUMA systems. The clock of
windows 2008 guests sometimes just stops and it becomes slow when you
are connected via rdp. After connecting to qemu's vnc server
everything runs fine again. The problem seems to occour more often
when the host is under pressure.
What really is weird is that this only happens to the windows 2008
guest. Linux and windows 2003 guests run just fine.
We have also only seen the problem on our NUMA hosts, even with cpu
and memory pinning. The singel socket servers run the exactly same
software without that problem.
We have also tried many different configurations on the
host(CONFIG_HZ, CONFIG_PREEMTION, CONFIG_NUMA_BALANCING), qemu
(different timers, different catchup policies, different spinlock
settings) and on the guest side (use platformclock) but none did solve
the problem
Qemu version: 1.5.3
Linux: 3.11.4
glibc: 2.15
gcc: 4.7.3
# lscpu
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 24
On-line CPU(s) list: 0-23
Thread(s) per core: 2
Core(s) per socket: 6
Socket(s): 2
NUMA node(s): 2
Vendor ID: GenuineIntel
CPU family: 6
Model: 44
Stepping: 2
CPU MHz: 2401.000
BogoMIPS: 4800.18
Virtualization: VT-x
L1d cache: 32K
L1i cache: 32K
L2 cache: 256K
L3 cache: 12288K
NUMA node0 CPU(s): 0-5,12-17
NUMA node1 CPU(s): 6-11,18-23
# lspci
00:00.0 Host bridge: Intel Corporation 5520 I/O Hub to ESI Port (rev 22)
00:01.0 PCI bridge: Intel Corporation 5520/5500/X58 I/O Hub PCI
Express Root Port 1 (rev 22)
00:03.0 PCI bridge: Intel Corporation 5520/5500/X58 I/O Hub PCI
Express Root Port 3 (rev 22)
00:05.0 PCI bridge: Intel Corporation 5520/X58 I/O Hub PCI Express
Root Port 5 (rev 22)
00:07.0 PCI bridge: Intel Corporation 5520/5500/X58 I/O Hub PCI
Express Root Port 7 (rev 22)
00:09.0 PCI bridge: Intel Corporation 7500/5520/5500/X58 I/O Hub PCI
Express Root Port 9 (rev 22)
00:0d.0 Host bridge: Intel Corporation Device 343a (rev 22)
00:0d.1 Host bridge: Intel Corporation Device 343b (rev 22)
00:0d.2 Host bridge: Intel Corporation Device 343c (rev 22)
00:0d.3 Host bridge: Intel Corporation Device 343d (rev 22)
00:0d.4 Host bridge: Intel Corporation 7500/5520/5500/X58 Physical
Layer Port 0 (rev 22)
00:0d.5 Host bridge: Intel Corporation 7500/5520/5500 Physical Layer
Port 1 (rev 22)
00:0d.6 Host bridge: Intel Corporation Device 341a (rev 22)
00:0e.0 Host bridge: Intel Corporation Device 341c (rev 22)
00:0e.1 Host bridge: Intel Corporation Device 341d (rev 22)
00:0e.2 Host bridge: Intel Corporation Device 341e (rev 22)
00:0e.4 Host bridge: Intel Corporation Device 3439 (rev 22)
00:13.0 PIC: Intel Corporation 7500/5520/5500/X58 I/O Hub I/OxAPIC
Interrupt Controller (rev 22)
00:14.0 PIC: Intel Corporation 7500/5520/5500/X58 I/O Hub System
Management Registers (rev 22)
00:14.1 PIC: Intel Corporation 7500/5520/5500/X58 I/O Hub GPIO and
Scratch Pad Registers (rev 22)
00:14.2 PIC: Intel Corporation 7500/5520/5500/X58 I/O Hub Control
Status and RAS Registers (rev 22)
00:14.3 PIC: Intel Corporation 7500/5520/5500/X58 I/O Hub Throttle
Registers (rev 22)
00:16.0 System peripheral: Intel Corporation 5520/5500/X58 Chipset
QuickData Technology Device (rev 22)
00:16.1 System peripheral: Intel Corporation 5520/5500/X58 Chipset
QuickData Technology Device (rev 22)
00:16.2 System peripheral: Intel Corporation 5520/5500/X58 Chipset
QuickData Technology Device (rev 22)
00:16.3 System peripheral: Intel Corporation 5520/5500/X58 Chipset
QuickData Technology Device (rev 22)
00:16.4 System peripheral: Intel Corporation 5520/5500/X58 Chipset
QuickData Technology Device (rev 22)
00:16.5 System peripheral: Intel Corporation 5520/5500/X58 Chipset
QuickData Technology Device (rev 22)
00:16.6 System peripheral: Intel Corporation 5520/5500/X58 Chipset
QuickData Technology Device (rev 22)
00:16.7 System peripheral: Intel Corporation 5520/5500/X58 Chipset
QuickData Technology Device (rev 22)
00:1a.0 USB controller: Intel Corporation 82801JI (ICH10 Family) USB
UHCI Controller #4
00:1a.1 USB controller: Intel Corporation 82801JI (ICH10 Family) USB
UHCI Controller #5
00:1a.2 USB controller: Intel Corporation 82801JI (ICH10 Family) USB
UHCI Controller #6
00:1a.7 USB controller: Intel Corporation 82801JI (ICH10 Family) USB2
EHCI Controller #2
00:1c.0 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI
Express Root Port 1
00:1c.4 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI
Express Root Port 5
00:1c.5 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI
Express Root Port 6
00:1d.0 USB controller: Intel Corporation 82801JI (ICH10 Family) USB
UHCI Controller #1
00:1d.1 USB controller: Intel Corporation 82801JI (ICH10 Family) USB
UHCI Controller #2
00:1d.2 USB controller: Intel Corporation 82801JI (ICH10 Family) USB
UHCI Controller #3
00:1d.7 USB controller: Intel Corporation 82801JI (ICH10 Family) USB2
EHCI Controller #1
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 90)
00:1f.0 ISA bridge: Intel Corporation 82801JIR (ICH10R) LPC Interface Controller
00:1f.2 SATA controller: Intel Corporation 82801JI (ICH10 Family) SATA
AHCI Controller
00:1f.3 SMBus: Intel Corporation 82801JI (ICH10 Family) SMBus Controller
01:03.0 VGA compatible controller: Matrox Electronics Systems Ltd. MGA
G200eW WPCM450 (rev 0a)
03:00.0 Ethernet controller: Intel Corporation 82574L Gigabit Network Connection
04:00.0 Ethernet controller: Intel Corporation 82574L Gigabit Network Connection
05:00.0 Ethernet controller: Intel Corporation 82599EB 10-Gigabit
SFI/SFP+ Network Connection (rev 01)
05:00.1 Ethernet controller: Intel Corporation 82599EB 10-Gigabit
SFI/SFP+ Network Connection (rev 01)
08:00.0 RAID bus controller: Adaptec AAC-RAID (rev 09)
fe:00.0 Host bridge: Intel Corporation Xeon 5600 Series QuickPath
Architecture Generic Non-core Registers (rev 02)
fe:00.1 Host bridge: Intel Corporation Xeon 5600 Series QuickPath
Architecture System Address Decoder (rev 02)
fe:02.0 Host bridge: Intel Corporation Xeon 5600 Series QPI Link 0 (rev 02)
fe:02.1 Host bridge: Intel Corporation Xeon 5600 Series QPI Physical 0 (rev 02)
fe:02.2 Host bridge: Intel Corporation Xeon 5600 Series Mirror Port
Link 0 (rev 02)
fe:02.3 Host bridge: Intel Corporation Xeon 5600 Series Mirror Port
Link 1 (rev 02)
fe:02.4 Host bridge: Intel Corporation Xeon 5600 Series QPI Link 1 (rev 02)
fe:02.5 Host bridge: Intel Corporation Xeon 5600 Series QPI Physical 1 (rev 02)
fe:03.0 Host bridge: Intel Corporation Xeon 5600 Series Integrated
Memory Controller Registers (rev 02)
fe:03.1 Host bridge: Intel Corporation Xeon 5600 Series Integrated
Memory Controller Target Address Decoder (rev 02)
fe:03.2 Host bridge: Intel Corporation Xeon 5600 Series Integrated
Memory Controller RAS Registers (rev 02)
fe:03.4 Host bridge: Intel Corporation Xeon 5600 Series Integrated
Memory Controller Test Registers (rev 02)
fe:04.0 Host bridge: Intel Corporation Xeon 5600 Series Integrated
Memory Controller Channel 0 Control (rev 02)
fe:04.1 Host bridge: Intel Corporation Xeon 5600 Series Integrated
Memory Controller Channel 0 Address (rev 02)
fe:04.2 Host bridge: Intel Corporation Xeon 5600 Series Integrated
Memory Controller Channel 0 Rank (rev 02)
fe:04.3 Host bridge: Intel Corporation Xeon 5600 Series Integrated
Memory Controller Channel 0 Thermal Control (rev 02)
fe:05.0 Host bridge: Intel Corporation Xeon 5600 Series Integrated
Memory Controller Channel 1 Control (rev 02)
fe:05.1 Host bridge: Intel Corporation Xeon 5600 Series Integrated
Memory Controller Channel 1 Address (rev 02)
fe:05.2 Host bridge: Intel Corporation Xeon 5600 Series Integrated
Memory Controller Channel 1 Rank (rev 02)
fe:05.3 Host bridge: Intel Corporation Xeon 5600 Series Integrated
Memory Controller Channel 1 Thermal Control (rev 02)
fe:06.0 Host bridge: Intel Corporation Xeon 5600 Series Integrated
Memory Controller Channel 2 Control (rev 02)
fe:06.1 Host bridge: Intel Corporation Xeon 5600 Series Integrated
Memory Controller Channel 2 Address (rev 02)
fe:06.2 Host bridge: Intel Corporation Xeon 5600 Series Integrated
Memory Controller Channel 2 Rank (rev 02)
fe:06.3 Host bridge: Intel Corporation Xeon 5600 Series Integrated
Memory Controller Channel 2 Thermal Control (rev 02)
ff:00.0 Host bridge: Intel Corporation Xeon 5600 Series QuickPath
Architecture Generic Non-core Registers (rev 02)
ff:00.1 Host bridge: Intel Corporation Xeon 5600 Series QuickPath
Architecture System Address Decoder (rev 02)
ff:02.0 Host bridge: Intel Corporation Xeon 5600 Series QPI Link 0 (rev 02)
ff:02.1 Host bridge: Intel Corporation Xeon 5600 Series QPI Physical 0 (rev 02)
ff:02.2 Host bridge: Intel Corporation Xeon 5600 Series Mirror Port
Link 0 (rev 02)
ff:02.3 Host bridge: Intel Corporation Xeon 5600 Series Mirror Port
Link 1 (rev 02)
ff:02.4 Host bridge: Intel Corporation Xeon 5600 Series QPI Link 1 (rev 02)
ff:02.5 Host bridge: Intel Corporation Xeon 5600 Series QPI Physical 1 (rev 02)
ff:03.0 Host bridge: Intel Corporation Xeon 5600 Series Integrated
Memory Controller Registers (rev 02)
ff:03.1 Host bridge: Intel Corporation Xeon 5600 Series Integrated
Memory Controller Target Address Decoder (rev 02)
ff:03.2 Host bridge: Intel Corporation Xeon 5600 Series Integrated
Memory Controller RAS Registers (rev 02)
ff:03.4 Host bridge: Intel Corporation Xeon 5600 Series Integrated
Memory Controller Test Registers (rev 02)
ff:04.0 Host bridge: Intel Corporation Xeon 5600 Series Integrated
Memory Controller Channel 0 Control (rev 02)
ff:04.1 Host bridge: Intel Corporation Xeon 5600 Series Integrated
Memory Controller Channel 0 Address (rev 02)
ff:04.2 Host bridge: Intel Corporation Xeon 5600 Series Integrated
Memory Controller Channel 0 Rank (rev 02)
ff:04.3 Host bridge: Intel Corporation Xeon 5600 Series Integrated
Memory Controller Channel 0 Thermal Control (rev 02)
ff:05.0 Host bridge: Intel Corporation Xeon 5600 Series Integrated
Memory Controller Channel 1 Control (rev 02)
ff:05.1 Host bridge: Intel Corporation Xeon 5600 Series Integrated
Memory Controller Channel 1 Address (rev 02)
ff:05.2 Host bridge: Intel Corporation Xeon 5600 Series Integrated
Memory Controller Channel 1 Rank (rev 02)
ff:05.3 Host bridge: Intel Corporation Xeon 5600 Series Integrated
Memory Controller Channel 1 Thermal Control (rev 02)
ff:06.0 Host bridge: Intel Corporation Xeon 5600 Series Integrated
Memory Controller Channel 2 Control (rev 02)
ff:06.1 Host bridge: Intel Corporation Xeon 5600 Series Integrated
Memory Controller Channel 2 Address (rev 02)
ff:06.2 Host bridge: Intel Corporation Xeon 5600 Series Integrated
Memory Controller Channel 2 Rank (rev 02)
ff:06.3 Host bridge: Intel Corporation Xeon 5600 Series Integrated
Memory Controller Channel 2 Thermal Control (rev 02)
Do you use a similar hardware?
Cheers,
David