Re: KVM-58 -- existing VM just hangs with black screen

["Richard W.M. Jones" <rjones-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>]

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Dan Kenigsberg wrote:
> On Wed, Jan 02, 2008 at 12:08:12PM +0000, Richard W.M. Jones wrote:
>> I've just got an upgrade to KVM-58 as part of the latest Fedora.
>>
>> Unfortunately my existing VM (a Windows 2008 Server instance) no longer 
>> boots.  In fact it hardly gets anywhere at all.  Immediately after running 
>> qemu-kvm, I just get a black screen (no BIOS/boot messages at all) and 
>> using 100% of CPU.
>>
>> No kernel messages.  'strace' indicates that qemu-kvm is doing a lot of 
>> stuff (issuing lots of ioctl, gettimeofday, etc.).
>>
>> I can get to the qemu monitor.  Are there any useful commands to issue?
>>
>> 'info blockstats' shows a single 512 byte read from ide-hd0, presumably it 
>> has read the boot sector but for some reason cannot boot from it.
>>
>> Any ideas on what I can do to debug this further?
> 
> Try -clock unix. I'm not sure about the dyntick code.

No difference.

BTW, I'm fairly sure this isn't anything to do with the Windows guest, 
since it just doesn't get that far.  It seems more likely to be down to 
the strange Intel development platform that I'm using.  See attachments.

Rich.

-- 
Emerging Technologies, Red Hat - http://et.redhat.com/~rjones/
Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod
Street, Windsor, Berkshire, SL4 1TE, United Kingdom.  Registered in
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[-- Attachment #1.1.2: cpuinfo.txt --]
[-- Type: text/plain, Size: 1338 bytes --]

processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 15
model name	: Intel(R) Core(TM)2 Duo CPU     E6850  @ 3.00GHz
stepping	: 11
cpu MHz		: 2000.000
cache size	: 4096 KB
physical id	: 0
siblings	: 2
core id		: 0
cpu cores	: 2
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 syscall nx lm constant_tsc arch_perfmon pebs bts rep_good pni monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr lahf_lm
bogomips	: 5992.17
clflush size	: 64
cache_alignment	: 64
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 15
model name	: Intel(R) Core(TM)2 Duo CPU     E6850  @ 3.00GHz
stepping	: 11
cpu MHz		: 2000.000
cache size	: 4096 KB
physical id	: 0
siblings	: 2
core id		: 1
cpu cores	: 2
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 syscall nx lm constant_tsc arch_perfmon pebs bts rep_good pni monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr lahf_lm
bogomips	: 5984.96
clflush size	: 64
cache_alignment	: 64
address sizes	: 36 bits physical, 48 bits virtual
power management:


[-- Attachment #1.1.3: dmidecode.txt --]
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# dmidecode 2.9
SMBIOS 2.4 present.
48 structures occupying 2067 bytes.
Table at 0x000FD160.

Handle 0x0000, DMI type 0, 24 bytes
BIOS Information
	Vendor: American Megatrends Inc.
	Version: SDBLI944.86P
	Release Date: 05/08/2007
	Address: 0xF0000
	Runtime Size: 64 kB
	ROM Size: 1024 kB
	Characteristics:
		ISA is supported
		PCI is supported
		PNP is supported
		APM is supported
		BIOS is upgradeable
		BIOS shadowing is allowed
		ESCD support is available
		Boot from CD is supported
		Selectable boot is supported
		BIOS ROM is socketed
		EDD is supported
		5.25"/1.2 MB floppy services are supported (int 13h)
		3.5"/720 KB floppy services are supported (int 13h)
		3.5"/2.88 MB floppy services are supported (int 13h)
		Print screen service is supported (int 5h)
		8042 keyboard services are supported (int 9h)
		Serial services are supported (int 14h)
		Printer services are supported (int 17h)
		CGA/mono video services are supported (int 10h)
		ACPI is supported
		USB legacy is supported
		LS-120 boot is supported
		ATAPI Zip drive boot is supported
		BIOS boot specification is supported
		Targeted content distribution is supported
	BIOS Revision: 8.14

Handle 0x0001, DMI type 1, 27 bytes
System Information
	Manufacturer: To Be Filled By O.E.M.
	Product Name: To Be Filled By O.E.M.
	Version: To Be Filled By O.E.M.
	Serial Number: To Be Filled By O.E.M.
	UUID: 35363738-393A-3B3C-3D3E-3F4041424344
	Wake-up Type: Power Switch
	SKU Number: To Be Filled By O.E.M.
	Family: To Be Filled By O.E.M.

Handle 0x0002, DMI type 2, 15 bytes
Base Board Information
	Manufacturer: To be filled by O.E.M.
	Product Name: To be filled by O.E.M.
	Version: To be filled by O.E.M.
	Serial Number: To be filled by O.E.M.
	Asset Tag: To Be Filled By O.E.M.
	Features:
		Board is a hosting board
		Board is replaceable
	Location In Chassis: To Be Filled By O.E.M.
	Chassis Handle: 0x0003
	Type: Motherboard
	Contained Object Handles: 0

Handle 0x0003, DMI type 3, 21 bytes
Chassis Information
	Manufacturer: To Be Filled By O.E.M.
	Type: Desktop
	Lock: Not Present
	Version: To Be Filled By O.E.M.
	Serial Number: To Be Filled By O.E.M.
	Asset Tag: To Be Filled By O.E.M.
	Boot-up State: Safe
	Power Supply State: Safe
	Thermal State: Safe
	Security Status: None
	OEM Information: 0x00000000
	Height: Unspecified
	Number Of Power Cords: 1
	Contained Elements: 0

Handle 0x0004, DMI type 4, 35 bytes
Processor Information
	Socket Designation: CPU 1
	Type: Central Processor
	Family: <OUT OF SPEC>
	Manufacturer: Intel            
	ID: FB 60 00 00 FF FB EB BF
	Version: Intel(R) Core(TM)2 Duo CPU     E6850  @ 3.00GHz     
	Voltage: 1.3 V
	External Clock: 333 MHz
	Max Speed: 3000 MHz
	Current Speed: 2999 MHz
	Status: Populated, Enabled
	Upgrade: Other
	L1 Cache Handle: 0x0005
	L2 Cache Handle: 0x0006
	L3 Cache Handle: 0x0007
	Serial Number: To Be Filled By O.E.M.
	Asset Tag: To Be Filled By O.E.M.
	Part Number: To Be Filled By O.E.M.

Handle 0x0005, DMI type 7, 19 bytes
Cache Information
	Socket Designation: L1-Cache
	Configuration: Enabled, Not Socketed, Level 1
	Operational Mode: Write Back
	Location: Internal
	Installed Size: 64 KB
	Maximum Size: 64 KB
	Supported SRAM Types:
		Other
	Installed SRAM Type: Other
	Speed: Unknown
	Error Correction Type: Parity
	System Type: Data
	Associativity: 8-way Set-associative

Handle 0x0006, DMI type 7, 19 bytes
Cache Information
	Socket Designation: L2-Cache
	Configuration: Enabled, Not Socketed, Level 2
	Operational Mode: Write Back
	Location: Internal
	Installed Size: 4096 KB
	Maximum Size: 4096 KB
	Supported SRAM Types:
		Other
	Installed SRAM Type: Other
	Speed: Unknown
	Error Correction Type: Single-bit ECC
	System Type: Instruction
	Associativity: 8-way Set-associative

Handle 0x0007, DMI type 7, 19 bytes
Cache Information
	Socket Designation: L3-Cache
	Configuration: Disabled, Not Socketed, Level 3
	Operational Mode: Unknown
	Location: Internal
	Installed Size: 0 KB
	Maximum Size: 0 KB
	Supported SRAM Types:
		Unknown
	Installed SRAM Type: Unknown
	Speed: Unknown
	Error Correction Type: Unknown
	System Type: Unknown
	Associativity: Unknown

Handle 0x0008, DMI type 5, 24 bytes
Memory Controller Information
	Error Detecting Method: 64-bit ECC
	Error Correcting Capabilities:
		None
	Supported Interleave: One-way Interleave
	Current Interleave: One-way Interleave
	Maximum Memory Module Size: 4096 MB
	Maximum Total Memory Size: 16384 MB
	Supported Speeds:
		Other
	Supported Memory Types:
		DIMM
		SDRAM
	Memory Module Voltage: 3.3 V
	Associated Memory Slots: 4
		0x0009
		0x000A
		0x000B
		0x000C
	Enabled Error Correcting Capabilities:
		None

Handle 0x0009, DMI type 6, 12 bytes
Memory Module Information
	Socket Designation: DIMM0
	Bank Connections: 0 1
	Current Speed: Unknown
	Type: DIMM SDRAM
	Installed Size: 1024 MB (Double-bank Connection)
	Enabled Size: 1024 MB (Double-bank Connection)
	Error Status: OK

Handle 0x000A, DMI type 6, 12 bytes
Memory Module Information
	Socket Designation: DIMM1
	Bank Connections: 2 3
	Current Speed: Unknown
	Type: DIMM SDRAM
	Installed Size: Not Installed
	Enabled Size: Not Installed
	Error Status: OK

Handle 0x000B, DMI type 6, 12 bytes
Memory Module Information
	Socket Designation: DIMM2
	Bank Connections: 4 5
	Current Speed: Unknown
	Type: DIMM SDRAM
	Installed Size: 1024 MB (Double-bank Connection)
	Enabled Size: 1024 MB (Double-bank Connection)
	Error Status: OK

Handle 0x000C, DMI type 6, 12 bytes
Memory Module Information
	Socket Designation: DIMM3
	Bank Connections: 6 7
	Current Speed: Unknown
	Type: DIMM SDRAM
	Installed Size: Not Installed
	Enabled Size: Not Installed
	Error Status: OK

Handle 0x000D, DMI type 13, 22 bytes
BIOS Language Information
	Installable Languages: 1
		en|US|iso8859-1
	Currently Installed Language: en|US|iso8859-1

Handle 0x000E, DMI type 15, 35 bytes
System Event Log
	Area Length: 4 bytes
	Header Start Offset: 0x0000
	Header Length: 2 bytes
	Data Start Offset: 0x0002
	Access Method: Indexed I/O, one 16-bit index port, one 8-bit data port
	Access Address: Index 0x046A, Data 0x046C
	Status: Invalid, Not Full
	Change Token: 0x00000000
	Header Format: No Header
	Supported Log Type Descriptors: 6
	Descriptor 1: End of log
	Data Format 1: OEM-specific
	Descriptor 2: End of log
	Data Format 2: OEM-specific
	Descriptor 3: End of log
	Data Format 3: OEM-specific
	Descriptor 4: End of log
	Data Format 4: OEM-specific
	Descriptor 5: End of log
	Data Format 5: OEM-specific
	Descriptor 6: End of log
	Data Format 6: OEM-specific

Handle 0x000F, DMI type 16, 15 bytes
Physical Memory Array
	Location: System Board Or Motherboard
	Use: System Memory
	Error Correction Type: None
	Maximum Capacity: 4 GB
	Error Information Handle: 0x0010
	Number Of Devices: 4

Handle 0x0010, DMI type 18, 23 bytes
32-bit Memory Error Information
	Type: Unknown
	Granularity: Unknown
	Operation: Unknown
	Vendor Syndrome: Unknown
	Memory Array Address: Unknown
	Device Address: Unknown
	Resolution: Unknown

Handle 0x0011, DMI type 19, 15 bytes
Memory Array Mapped Address
	Starting Address: 0x00000000000
	Ending Address: 0x0007FFFFFFF
	Range Size: 2 GB
	Physical Array Handle: 0x000F
	Partition Width: 0

Handle 0x0012, DMI type 17, 27 bytes
Memory Device
	Array Handle: 0x000F
	Error Information Handle: 0x0013
	Total Width: 64 bits
	Data Width: 64 bits
	Size: 1024 MB
	Form Factor: DIMM
	Set: None
	Locator: DIMM0
	Bank Locator: BANK0
	Type: SDRAM
	Type Detail: Synchronous
	Speed: Unknown
	Manufacturer: Manufacturer0
	Serial Number: SerNum0
	Asset Tag: AssetTagNum0
	Part Number: PartNum0

Handle 0x0013, DMI type 18, 23 bytes
32-bit Memory Error Information
	Type: Unknown
	Granularity: Unknown
	Operation: Unknown
	Vendor Syndrome: Unknown
	Memory Array Address: Unknown
	Device Address: Unknown
	Resolution: Unknown

Handle 0x0014, DMI type 20, 19 bytes
Memory Device Mapped Address
	Starting Address: 0x00000000000
	Ending Address: 0x0003FFFFFFF
	Range Size: 1 GB
	Physical Device Handle: 0x0012
	Memory Array Mapped Address Handle: 0x0011
	Partition Row Position: 1
	Interleaved Data Depth: 1

Handle 0x0015, DMI type 17, 27 bytes
Memory Device
	Array Handle: 0x000F
	Error Information Handle: 0x0016
	Total Width: Unknown
	Data Width: Unknown
	Size: No Module Installed
	Form Factor: DIMM
	Set: None
	Locator: DIMM1
	Bank Locator: BANK1
	Type: Unknown
	Type Detail: Unknown
	Speed: Unknown
	Manufacturer: Manufacturer1
	Serial Number: SerNum1
	Asset Tag: AssetTagNum1
	Part Number: PartNum1

Handle 0x0016, DMI type 18, 23 bytes
32-bit Memory Error Information
	Type: Unknown
	Granularity: Unknown
	Operation: Unknown
	Vendor Syndrome: Unknown
	Memory Array Address: Unknown
	Device Address: Unknown
	Resolution: Unknown

Handle 0x0017, DMI type 20, 19 bytes
Memory Device Mapped Address
	Starting Address: 0x00000000000
	Ending Address: 0x000000003FF
	Range Size: 1 kB
	Physical Device Handle: 0x0015
	Memory Array Mapped Address Handle: 0x0011
	Partition Row Position: 1
	Interleaved Data Depth: 1

Handle 0x0018, DMI type 17, 27 bytes
Memory Device
	Array Handle: 0x000F
	Error Information Handle: 0x0019
	Total Width: 64 bits
	Data Width: 64 bits
	Size: 1024 MB
	Form Factor: DIMM
	Set: None
	Locator: DIMM2
	Bank Locator: BANK2
	Type: SDRAM
	Type Detail: Synchronous
	Speed: Unknown
	Manufacturer: Manufacturer2
	Serial Number: SerNum2
	Asset Tag: AssetTagNum2
	Part Number: PartNum2

Handle 0x0019, DMI type 18, 23 bytes
32-bit Memory Error Information
	Type: Unknown
	Granularity: Unknown
	Operation: Unknown
	Vendor Syndrome: Unknown
	Memory Array Address: Unknown
	Device Address: Unknown
	Resolution: Unknown

Handle 0x001A, DMI type 20, 19 bytes
Memory Device Mapped Address
	Starting Address: 0x00040000000
	Ending Address: 0x0007FFFFFFF
	Range Size: 1 GB
	Physical Device Handle: 0x0018
	Memory Array Mapped Address Handle: 0x0011
	Partition Row Position: 1
	Interleaved Data Depth: 1

Handle 0x001B, DMI type 17, 27 bytes
Memory Device
	Array Handle: 0x000F
	Error Information Handle: 0x001C
	Total Width: Unknown
	Data Width: Unknown
	Size: No Module Installed
	Form Factor: DIMM
	Set: None
	Locator: DIMM3
	Bank Locator: BANK3
	Type: Unknown
	Type Detail: Unknown
	Speed: Unknown
	Manufacturer: Manufacturer3
	Serial Number: SerNum3
	Asset Tag: AssetTagNum3
	Part Number: PartNum3

Handle 0x001C, DMI type 18, 23 bytes
32-bit Memory Error Information
	Type: Unknown
	Granularity: Unknown
	Operation: Unknown
	Vendor Syndrome: Unknown
	Memory Array Address: Unknown
	Device Address: Unknown
	Resolution: Unknown

Handle 0x001D, DMI type 20, 19 bytes
Memory Device Mapped Address
	Starting Address: 0x00000000000
	Ending Address: 0x000000003FF
	Range Size: 1 kB
	Physical Device Handle: 0x001B
	Memory Array Mapped Address Handle: 0x0011
	Partition Row Position: 1
	Interleaved Data Depth: 1

Handle 0x001E, DMI type 32, 20 bytes
System Boot Information
	Status: No errors detected

Handle 0x001F, DMI type 34, 11 bytes
Management Device
	Description: LM78-1
	Type: LM78
	Address: 0x00000000
	Address Type: I/O Port

Handle 0x0020, DMI type 26, 22 bytes
Voltage Probe
	Description: LM78A
	Location: <OUT OF SPEC>
	Status: <OUT OF SPEC>
	Maximum Value: Unknown
	Minimum Value: Unknown
	Resolution: Unknown
	Tolerance: Unknown
	Accuracy: Unknown
	OEM-specific Information: 0x00000000
	Nominal Value: Unknown

Handle 0x0021, DMI type 36, 16 bytes
Management Device Threshold Data
	Lower Non-critical Threshold: 1
	Upper Non-critical Threshold: 2
	Lower Critical Threshold: 3
	Upper Critical Threshold: 4
	Lower Non-recoverable Threshold: 5
	Upper Non-recoverable Threshold: 6

Handle 0x0022, DMI type 35, 11 bytes
Management Device Component
	Description: To Be Filled By O.E.M.
	Management Device Handle: 0x001F
	Component Handle: 0x001F
	Threshold Handle: 0x0020

Handle 0x0023, DMI type 28, 22 bytes
Temperature Probe
	Description: LM78A
	Location: <OUT OF SPEC>
	Status: <OUT OF SPEC>
	Maximum Value: Unknown
	Minimum Value Unknown
	Resolution: Unknown
	Tolerance: Unknown
	Accuracy: Unknown
	OEM-specific Information: 0x00000000
	Nominal Value: Unknown

Handle 0x0024, DMI type 36, 16 bytes
Management Device Threshold Data
	Lower Non-critical Threshold: 1
	Upper Non-critical Threshold: 2
	Lower Critical Threshold: 3
	Upper Critical Threshold: 4
	Lower Non-recoverable Threshold: 5
	Upper Non-recoverable Threshold: 6

Handle 0x0025, DMI type 35, 11 bytes
Management Device Component
	Description: To Be Filled By O.E.M.
	Management Device Handle: 0x001F
	Component Handle: 0x0022
	Threshold Handle: 0x0023

Handle 0x0026, DMI type 27, 14 bytes
Cooling Device
	Temperature Probe Handle: 0x0023
	Type: Fan
	Status: OK
	OEM-specific Information: 0x00000000
	Nominal Speed: 1200 rpm

Handle 0x0027, DMI type 36, 16 bytes
Management Device Threshold Data
	Lower Non-critical Threshold: 1
	Upper Non-critical Threshold: 2
	Lower Critical Threshold: 3
	Upper Critical Threshold: 4
	Lower Non-recoverable Threshold: 5
	Upper Non-recoverable Threshold: 6

Handle 0x0028, DMI type 35, 11 bytes
Management Device Component
	Description: To Be Filled By O.E.M.
	Management Device Handle: 0x001F
	Component Handle: 0x0025
	Threshold Handle: 0x0026

Handle 0x0029, DMI type 29, 22 bytes
Electrical Current Probe
	Description: ABC
	Location: <OUT OF SPEC>
	Status: <OUT OF SPEC>
	Maximum Value: Unknown
	Minimum Value: Unknown
	Resolution: Unknown
	Tolerance: Unknown
	Accuracy: Unknown
	OEM-specific Information: 0x00000000
	Nominal Value: Unknown

Handle 0x002A, DMI type 36, 16 bytes
Management Device Threshold Data

Handle 0x002B, DMI type 35, 11 bytes
Management Device Component
	Description: To Be Filled By O.E.M.
	Management Device Handle: 0x001F
	Component Handle: 0x0028
	Threshold Handle: 0x0026

Handle 0x002C, DMI type 39, 22 bytes
System Power Supply
	Location: In the Back
	Name: ENP-3330A
	Manufacturer: Enhance Electronics Co. LTD
	Serial Number: 0612 00214
	Asset Tag: System power supply
	Model Part Number: ENP-3330A
	Revision: 3.1
	Max Power Capacity: 0.300 W
	Status: Present, <OUT OF SPEC>
	Type: <OUT OF SPEC>
	Input Voltage Range Switching: <OUT OF SPEC>
	Plugged: No
	Hot Replaceable: Yes
	Input Voltage Probe Handle: 0x0020
	Cooling Device Handle: 0x0026
	Input Current Probe Handle: 0x0029

Handle 0x002D, DMI type 129, 8 bytes
OEM-specific Type
	Header and Data:
		81 08 2D 00 01 01 02 01
	Strings:
		Intel_ASF
		Intel_ASF_001

Handle 0x002E, DMI type 130, 20 bytes
OEM-specific Type
	Header and Data:
		82 14 2E 00 24 41 4D 54 01 00 00 00 01 00 00 00
		00 00 00 00

Handle 0x002F, DMI type 127, 4 bytes
End Of Table


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