HP Pavilion 15-au624tx

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Information about how to install/configure Gentoo GNU/Linux in HP Pavillion au624tx Notebook


user $lscpu
Architecture:                    x86_64
CPU op-mode(s):                  32-bit, 64-bit
Byte Order:                      Little Endian
Address sizes:                   39 bits physical, 48 bits virtual
CPU(s):                          4
On-line CPU(s) list:             0,1
Off-line CPU(s) list:            2,3
Thread(s) per core:              1
Core(s) per socket:              2
Socket(s):                       1
NUMA node(s):                    1
Vendor ID:                       GenuineIntel
CPU family:                      6
Model:                           142
Model name:                      Intel(R) Core(TM) i5-7200U CPU @ 2.50GHz
Stepping:                        9
CPU MHz:                         800.033
CPU max MHz:                     3100.0000
CPU min MHz:                     400.0000
BogoMIPS:                        5399.81
Virtualization:                  VT-x
L1d cache:                       64 KiB
L1i cache:                       64 KiB
L2 cache:                        512 KiB
L3 cache:                        3 MiB
NUMA node0 CPU(s):               0,1
Vulnerability Itlb multihit:     KVM: Mitigation: Split huge pages
Vulnerability L1tf:              Mitigation; PTE Inversion; VMX conditional cach
                                 e flushes, SMT disabled
Vulnerability Mds:               Mitigation; Clear CPU buffers; SMT disabled
Vulnerability Meltdown:          Mitigation; PTI
Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled v
                                 ia prctl and seccomp
Vulnerability Spectre v1:        Mitigation; usercopy/swapgs barriers and __user
                                  pointer sanitization
Vulnerability Spectre v2:        Mitigation; Full generic retpoline, IBPB condit
                                 ional, IBRS_FW, RSB filling
Vulnerability Srbds:             Mitigation; Microcode
Vulnerability Tsx async abort:   Not affected
Flags:                           fpu vme de pse tsc msr pae mce cx8 apic sep mtr
                                 r pge mca cmov pat pse36 clflush dts acpi mmx f
                                 xsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rd
                                 tscp lm constant_tsc art arch_perfmon pebs bts 
                                 rep_good nopl xtopology nonstop_tsc cpuid aperf
                                 mperf pni pclmulqdq dtes64 monitor ds_cpl vmx e
                                 st 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 3dnowpre
                                 fetch cpuid_fault epb invpcid_single pti ssbd i
                                 brs ibpb stibp tpr_shadow vnmi flexpriority ept
                                  vpid ept_ad fsgsbase tsc_adjust bmi1 avx2 smep
                                  bmi2 erms invpcid mpx rdseed adx smap clflusho
                                 pt intel_pt xsaveopt xsavec xgetbv1 xsaves dthe
                                 rm ida arat pln pts hwp hwp_notify hwp_act_wind
                                 ow hwp_epp md_clear flush_l1d


root #lspci
00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v6/7th Gen Core Processor Host Bridge/DRAM Registers (rev 02)
00:02.0 VGA compatible controller: Intel Corporation HD Graphics 620 (rev 02)
00:04.0 Signal processing controller: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem (rev 02)
00:14.0 USB controller: Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller (rev 21)
00:14.2 Signal processing controller: Intel Corporation Sunrise Point-LP Thermal subsystem (rev 21)
00:16.0 Communication controller: Intel Corporation Sunrise Point-LP CSME HECI #1 (rev 21)
00:17.0 SATA controller: Intel Corporation Sunrise Point-LP SATA Controller [AHCI mode] (rev 21)
00:1c.0 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #1 (rev f1)
00:1c.4 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #5 (rev f1)
00:1c.5 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #6 (rev f1)
00:1d.0 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #9 (rev f1)
00:1d.3 PCI bridge: Intel Corporation Device 9d1b (rev f1)
00:1f.0 ISA bridge: Intel Corporation Sunrise Point-LP LPC Controller (rev 21)
00:1f.2 Memory controller: Intel Corporation Sunrise Point-LP PMC (rev 21)
00:1f.3 Audio device: Intel Corporation Sunrise Point-LP HD Audio (rev 21)
00:1f.4 SMBus: Intel Corporation Sunrise Point-LP SMBus (rev 21)
01:00.0 3D controller: NVIDIA Corporation GM108M [GeForce 940MX] (rev a2)
02:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS522A PCI Express Card Reader (rev 01)
03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL810xE PCI Express Fast Ethernet controller (rev 0a)
05:00.0 Network controller: Intel Corporation Dual Band Wireless-AC 3168NGW [Stone Peak] (rev 10)


user $lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 8087:0aa7 Intel Corp. 
Bus 001 Device 002: ID 0408:5090 Quanta Computer, Inc. HP Wide version HD
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub



WiFi and BLuetooth

The Linux firmware package is needed for wifi adapter to work.

It can be obtained by installing the Linux firmware package: sys-firmware/linux-firmware. For more info see iwlwifi.


Intel released microcode updates that fixes fault on processors. Install the officially published microcode package sys-firmware/intel-microcode. For more info see Intel microcode.


Recommended kernel config for sys-linux/gentoo-sources. More info at Kernel.

This config is last tested on Linux Kernel sys-linux/gentoo-sources 5.4.60

Kernel config being maintained at au624tx_defconfig


Compiler settings

More info is available at:

FILE /etc/portage/make.conf
# O2 for super-safe output
CFLAGS="-march=native -O2 -pipe"
# Dual-core with enabled Hyper-Threading technology - 4 logical processors
# AMD64 architecture

Packages settings

For more info: CPU_FLAGS_X86

FILE /etc/portage/make.conf
# Obtained via cpuinfo2cpuflags-x86
CPU_FLAGS_X86="aes avx2 mmx popcnt sse sse2 sse3 sse4_1 sse4_2 ssse3 mmxext avx"
USE flags

With Intel Modesetting DDX as video driver and libinput as input driver add the USE flags glamor and libinput.

FILE /etc/portage/make.conf
# Intel kabylake
VIDEO_CARDS="intel i965"
VIDEO_CARDS="nouveau" ## only if you are going to configure dedicated gpu 
# Input devices
# Useflags

Utils and Extras

Enabling Mute LED light

Create the following file:-

FILE /etc/modprobe.d/snd-hda-intel.conf
## Enabling Mute LED for Hp Pavillion Notebooks Containing Realtek ALC295 Audio Card
options snd-hda-intel model=alc295-hp-x360
Optimize system

Use app-laptop/laptop-mode-tools, For more info check Power_management