I had exactly the same issue with an ASUS UX305CA ultrabook.
Downgrading to the previous version of intel-microcode resolved it for
me as well. I was able to get intel-microcode 3.20160607.1 working by
upgrading from UX305CA.205 to UX305CA.300 BIOS revision from ASUS.
-----------
# dmidecode 3.0
Getting SMBIOS data from sysfs.
SMBIOS 3.0.0 present.
Table at 0x87656000.
Handle 0x0000, DMI type 0, 24 bytes
BIOS Information
Vendor: American Megatrends Inc.
Version: UX305CA.300
Release Date: 06/08/2016
Address: 0xF0000
Runtime Size: 64 kB
ROM Size: 6016 kB
Characteristics:
PCI is supported
BIOS is upgradeable
BIOS shadowing is allowed
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)
ACPI is supported
USB legacy is supported
Smart battery is supported
BIOS boot specification is supported
Targeted content distribution is supported
UEFI is supported
BIOS Revision: 5.11
Handle 0x0001, DMI type 1, 27 bytes
System Information
Manufacturer: ASUSTeK COMPUTER INC.
Product Name: UX305CA
Version: 1.0
Serial Number: FBN0CJ079030468
UUID: 6AE3C30A-AE8A-804D-9527-6CE0851C1EF6
Wake-up Type: Power Switch
SKU Number: ASUS-NotebookSKU
Family: UX
Handle 0x0002, DMI type 2, 15 bytes
Base Board Information
Manufacturer: ASUSTeK COMPUTER INC.
Product Name: UX305CA
Version: 1.0
Serial Number: BSN12345678901234567
Asset Tag: ATN12345678901234567
Features:
Board is a hosting board
Board is replaceable
Location In Chassis: MIDDLE
Chassis Handle: 0x0003
Type: Motherboard
Contained Object Handles: 0
Handle 0x0003, DMI type 3, 22 bytes
Chassis Information
Manufacturer: ASUSTeK COMPUTER INC.
Type: Notebook
Lock: Not Present
Version: 1.0
Serial Number: FBN0CJ079030468
Asset Tag: ATN12345678901234567
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
SKU Number: Default string
Handle 0x0004, DMI type 10, 26 bytes
On Board Device 1 Information
Type: Video
Status: Enabled
Description: VGA
On Board Device 2 Information
Type: Ethernet
Status: Enabled
Description: GLAN
On Board Device 3 Information
Type: Ethernet
Status: Enabled
Description: WLAN
On Board Device 4 Information
Type: Sound
Status: Enabled
Description: Audio CODEC
On Board Device 5 Information
Type: SATA Controller
Status: Enabled
Description: SATA Controller
On Board Device 6 Information
Type: Other
Status: Enabled
Description: USB 2.0 Controller
On Board Device 7 Information
Type: Other
Status: Enabled
Description: USB 3.0 Controller
On Board Device 8 Information
Type: Other
Status: Enabled
Description: SMBus Controller
On Board Device 9 Information
Type: Other
Status: Enabled
Description: Card Reader
On Board Device 10 Information
Type: Other
Status: Enabled
Description: Cmos Camera
On Board Device 11 Information
Type: Other
Status: Enabled
Description: Bluetooth
Handle 0x0005, DMI type 11, 5 bytes
OEM Strings
String 1:
String 2:
String 3:
String 4: 90NB0AA3-M00800
String 5:
String 6:
String 7:
String 8:
String 9:
String 10:
Handle 0x000C, DMI type 32, 20 bytes
System Boot Information
Status: No errors detected
Handle 0x000D, 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:
Synchronous
Installed SRAM Type: Synchronous
Speed: Unknown
Error Correction Type: Parity
System Type: Data
Associativity: 8-way Set-associative
Handle 0x000E, 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:
Synchronous
Installed SRAM Type: Synchronous
Speed: Unknown
Error Correction Type: Parity
System Type: Instruction
Associativity: 8-way Set-associative
Handle 0x000F, 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: 512 kB
Maximum Size: 512 kB
Supported SRAM Types:
Synchronous
Installed SRAM Type: Synchronous
Speed: Unknown
Error Correction Type: Single-bit ECC
System Type: Unified
Associativity: 4-way Set-associative
Handle 0x0010, DMI type 7, 19 bytes
Cache Information
Socket Designation: L3 Cache
Configuration: Enabled, Not Socketed, Level 3
Operational Mode: Write Back
Location: Internal
Installed Size: 4096 kB
Maximum Size: 4096 kB
Supported SRAM Types:
Synchronous
Installed SRAM Type: Synchronous
Speed: Unknown
Error Correction Type: Multi-bit ECC
System Type: Unified
Associativity: 16-way Set-associative
Handle 0x0011, DMI type 4, 48 bytes
Processor Information
Socket Designation: U3E1
Type: Central Processor
Family: <OUT OF SPEC>
Manufacturer: Intel(R) Corporation
ID: E3 06 04 00 FF FB EB BF
Version: Intel(R) Core(TM) m3-6Y30 CPU @ 0.90GHz
Voltage: 0.6 V
External Clock: 100 MHz
Max Speed: 8300 MHz
Current Speed: 1100 MHz
Status: Populated, Enabled
Upgrade: Other
L1 Cache Handle: 0x000E
L2 Cache Handle: 0x000F
L3 Cache Handle: 0x0010
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.
Core Count: 2
Core Enabled: 2
Thread Count: 4
Characteristics:
64-bit capable
Multi-Core
Hardware Thread
Execute Protection
Enhanced Virtualization
Power/Performance Control
Handle 0x0012, DMI type 16, 23 bytes
Physical Memory Array
Location: System Board Or Motherboard
Use: System Memory
Error Correction Type: None
Maximum Capacity: 16 GB
Error Information Handle: Not Provided
Number Of Devices: 2
Handle 0x0013, DMI type 17, 40 bytes
Memory Device
Array Handle: 0x0012
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 64 bits
Size: 4096 MB
Form Factor: SODIMM
Set: None
Locator: ChannelA-DIMM0
Bank Locator: BANK 0
Type: LPDDR3
Type Detail: Synchronous
Speed: 1867 MHz
Manufacturer: Elpida
Serial Number: 00000000
Asset Tag: 9876543210
Part Number:
Rank: 2
Configured Clock Speed: 1867 MHz
Minimum Voltage: Unknown
Maximum Voltage: Unknown
Configured Voltage: 1.2 V
Handle 0x0014, DMI type 17, 40 bytes
Memory Device
Array Handle: 0x0012
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 64 bits
Size: 4096 MB
Form Factor: SODIMM
Set: None
Locator: ChannelB-DIMM0
Bank Locator: BANK 2
Type: LPDDR3
Type Detail: Synchronous
Speed: 1867 MHz
Manufacturer: Elpida
Serial Number: 00000000
Asset Tag: 9876543210
Part Number:
Rank: 2
Configured Clock Speed: 1867 MHz
Minimum Voltage: Unknown
Maximum Voltage: Unknown
Configured Voltage: 1.2 V
Handle 0x0015, DMI type 19, 31 bytes
Memory Array Mapped Address
Starting Address: 0x00000000000
Ending Address: 0x001FFFFFFFF
Range Size: 8 GB
Physical Array Handle: 0x0012
Partition Width: 2
Handle 0x0016, DMI type 221, 12 bytes
OEM-specific Type
Header and Data:
DD 0C 16 00 01 01 00 01 07 00 00 00
Strings:
Reference Code - ACPI
Handle 0x0017, DMI type 20, 35 bytes
Memory Device Mapped Address
Starting Address: 0x00000000000
Ending Address: 0x000FFFFFFFF
Range Size: 4 GB
Physical Device Handle: 0x0013
Memory Array Mapped Address Handle: 0x0015
Partition Row Position: Unknown
Interleave Position: 1
Interleaved Data Depth: 1
Handle 0x0018, DMI type 20, 35 bytes
Memory Device Mapped Address
Starting Address: 0x00100000000
Ending Address: 0x001FFFFFFFF
Range Size: 4 GB
Physical Device Handle: 0x0014
Memory Array Mapped Address Handle: 0x0015
Partition Row Position: Unknown
Interleave Position: 2
Interleaved Data Depth: 1
Handle 0x0019, DMI type 130, 20 bytes
OEM-specific Type
Header and Data:
82 14 19 00 24 41 4D 54 00 00 00 00 00 A5 AF 02
C0 00 00 00
Handle 0x001A, DMI type 131, 64 bytes
OEM-specific Type
Header and Data:
83 40 1A 00 31 00 00 00 00 00 00 00 00 00 00 00
F8 00 46 9D 00 00 00 00 01 00 00 00 00 00 0B 00
95 04 00 00 00 00 00 00 FE 00 FF FF 00 00 00 00
00 00 00 00 22 00 00 00 76 50 72 6F 00 00 00 00
Handle 0x001B, DMI type 221, 26 bytes
OEM-specific Type
Header and Data:
DD 1A 1B 00 03 01 00 01 07 00 00 00 02 00 00 00
00 8A 00 03 00 00 05 00 00 00
Strings:
Reference Code - CPU
uCode Version
TXT ACM version
Handle 0x001C, DMI type 221, 26 bytes
OEM-specific Type
Header and Data:
DD 1A 1C 00 03 01 00 01 07 00 00 00 02 00 01 07
00 00 00 03 04 0B 00 00 95 04
Strings:
Reference Code - ME 11.0
MEBx version
ME Firmware Version
Consumer SKU
Handle 0x001D, DMI type 221, 68 bytes
OEM-specific Type
Header and Data:
DD 44 1D 00 09 01 00 01 07 00 00 00 02 03 FF FF
FF FF FF 04 00 FF FF FF 21 00 05 00 FF FF FF 21
00 06 00 FF FF FF FF FF 07 00 3E 00 00 00 00 08
00 34 00 00 00 00 09 00 3E 00 00 00 00 0A 00 34
00 00 00 00
Strings:
Reference Code - SKL PCH
PCH-CRID Status
Disabled
PCH-CRID Original Value
PCH-CRID New Value
OPROM - RST - RAID
SKL PCH H Bx Hsio Version
SKL PCH H Dx Hsio Version
SKL PCH LP Bx Hsio Version
SKL PCH LP Cx Hsio Version
Handle 0x001E, DMI type 221, 54 bytes
OEM-specific Type
Header and Data:
DD 36 1E 00 07 01 00 01 07 00 00 00 02 00 01 07
00 00 00 03 00 01 07 00 00 00 04 05 FF FF FF FF
FF 06 00 FF FF FF 08 00 07 00 FF FF FF 08 00 08
00 FF FF FF FF FF
Strings:
Reference Code - SA - System Agent
Reference Code - MRC
SA - PCIe Version
SA-CRID Status
Disabled
SA-CRID Original Value
SA-CRID New Value
OPROM - VBIOS
Handle 0x001F, DMI type 221, 96 bytes
OEM-specific Type
Header and Data:
DD 60 1F 00 0D 01 00 00 00 00 00 00 02 00 FF FF
FF FF FF 03 04 FF FF FF FF FF 05 06 FF FF FF FF
FF 07 08 FF FF FF FF FF 09 00 00 00 00 00 00 0A
00 FF FF FF FF FF 0B 00 FF FF 00 00 00 0C 00 00
09 00 42 10 0D 00 02 00 00 00 00 0E 00 FF FF FF
FF FF 0F 00 FF FF FF FF FF 10 11 01 02 02 03 00
Strings:
Lan Phy Version
Sensor Firmware Version
Debug Mode Status
Enabled
Performance Mode Status
Disabled
Debug Use USB(Disabled:Serial)
Disabled
ICC Overclocking Version
UNDI Version
EC FW Version
GOP Version
BIOS Guard Version
Base EC FW Version
EC-EC Protocol Version
Royal Park Version
BP1.2.2.0_RP03
Handle 0x0020, DMI type 136, 6 bytes
OEM-specific Type
Header and Data:
88 06 20 00 00 00
Handle 0x0021, DMI type 14, 23 bytes
Group Associations
Name: Firmware Version Info
Items: 6
0x0016 (<OUT OF SPEC>)
0x001B (<OUT OF SPEC>)
0x001C (<OUT OF SPEC>)
0x001D (<OUT OF SPEC>)
0x001E (<OUT OF SPEC>)
0x001F (<OUT OF SPEC>)
Handle 0x0022, DMI type 14, 8 bytes
Group Associations
Name: $MEI
Items: 1
0x0000 (<OUT OF SPEC>)
Handle 0x0023, DMI type 219, 81 bytes
OEM-specific Type
Header and Data:
DB 51 23 00 01 03 01 45 02 00 90 06 03 10 86 00
00 00 00 00 40 08 00 00 00 00 00 00 00 00 40 02
FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
FF FF FF FF FF FF FF FF 03 00 00 00 80 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00
Strings:
MEI1
MEI2
MEI3
Handle 0x0024, DMI type 13, 22 bytes
BIOS Language Information
Language Description Format: Long
Installable Languages: 1
en|US|iso8859-1
Currently Installed Language: en|US|iso8859-1
Handle 0x0025, DMI type 127, 4 bytes
End Of Table
On Tue, 28 Jun 2016 08:58:43 +0200 Jochen <debian-bts@jochen.sprickerho
f.de> wrote:
> Package: intel-microcode
> Version: 3.20160607.1
> Severity: important
>
> Dear Maintainer,
>
> my system boots only in 1 out of 5 cases (or less) with the current
version in
> unstable. It stops after loading the initrd without further
information.
> Downgrading to 3.20151106.2 makes it work again.
>
> $ lscpu
>
> Architecture: x86_64
> CPU op-mode(s): 32-bit, 64-bit
> Byte Order: Little Endian
> CPU(s): 4
> On-line CPU(s) list: 0-3
> Thread(s) per core: 2
> Core(s) per socket: 2
> Socket(s): 1
> NUMA node(s): 1
> Vendor ID: GenuineIntel
> CPU family: 6
> Model: 78
> Model name: Intel(R) Core(TM) i7-6500U CPU @ 2.50GHz
> Stepping: 3
> CPU MHz: 499.890
> CPU max MHz: 3100,0000
> CPU min MHz: 400,0000
> BogoMIPS: 5183.89
> Virtualization: VT-x
> L1d cache: 32K
> L1i cache: 32K
> L2 cache: 256K
> L3 cache: 4096K
> NUMA node0 CPU(s): 0-3
> 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 pdpe1gb rdtscp lm constant_tsc art arch_perfmon pebs bts
rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq
dtes64 monitor ds_cpl vmx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid
sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c
rdrand lahf_lm abm 3dnowprefetch epb intel_pt tpr_shadow vnmi
flexpriority ept vpid fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms
invpcid mpx rdseed adx smap clflushopt xsaveopt xsavec xgetbv1 dtherm
ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp
>
>
> -- System Information:
> Debian Release: stretch/sid
> APT prefers unstable
> APT policy: (500, 'unstable'), (1, 'experimental')
> Architecture: amd64 (x86_64)
> Foreign Architectures: i386
>
> Kernel: Linux 4.6.0-1-amd64 (SMP w/4 CPU cores)
> Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8)
> Shell: /bin/sh linked to /bin/dash
> Init: systemd (via /run/systemd/system)
>
> Versions of packages intel-microcode depends on:
> ii iucode-tool 1.6.1-1
>
> Versions of packages intel-microcode recommends:
> ii initramfs-tools 0.125
>
> intel-microcode suggests no packages.
>
> -- no debconf information
