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#1 2019-08-29 21:43:24

Hybrid Son Of Oxayotl
Member
Registered: 2010-07-09
Posts: 56

8192Mb ram available in BIOS/dmidecode, only 5955Mb found by free/htop

Hi,

My laptop was sold as having 8Gb of RAM, and the bios and dmidecode indeed say it has 8192Mb

oxayotl@Baha-u-llah> sudo dmidecode -t 5,6,16,17                              ~
# dmidecode 3.2
Getting SMBIOS data from sysfs.
SMBIOS 3.2.1 present.
# SMBIOS implementations newer than version 3.2.0 are not
# fully supported by this version of dmidecode.

Handle 0x000A, DMI type 16, 23 bytes
Physical Memory Array
	Location: System Board Or Motherboard
	Use: System Memory
	Error Correction Type: None
	Maximum Capacity: 32 GB
	Error Information Handle: 0x0009
	Number Of Devices: 2

Handle 0x0011, DMI type 17, 40 bytes
Memory Device
	Array Handle: 0x000A
	Error Information Handle: 0x0010
	Total Width: 64 bits
	Data Width: 64 bits
	Size: 8192 MB
	Form Factor: SODIMM
	Set: None
	Locator: DIMM 0
	Bank Locator: P0 CHANNEL A
	Type: DDR4
	Type Detail: Synchronous Unbuffered (Unregistered)
	Speed: 2667 MT/s
	Manufacturer: Micron Technology
	Serial Number: 00000000
	Asset Tag: Not Specified
	Part Number: 8ATF1G64HZ-2G6E1
	Rank: 1
	Configured Memory Speed: 2400 MT/s
	Minimum Voltage: 1.2 V
	Maximum Voltage: 1.2 V
	Configured Voltage: 1.2 V

Handle 0x0014, DMI type 17, 40 bytes
Memory Device
	Array Handle: 0x000A
	Error Information Handle: 0x0013
	Total Width: Unknown
	Data Width: Unknown
	Size: No Module Installed
	Form Factor: Unknown
	Set: None
	Locator: DIMM 0
	Bank Locator: P0 CHANNEL B
	Type: Unknown
	Type Detail: Unknown
	Speed: Unknown
	Manufacturer: Unknown
	Serial Number: Unknown
	Asset Tag: Not Specified
	Part Number: Unknown
	Rank: Unknown
	Configured Memory Speed: Unknown
	Minimum Voltage: Unknown
	Maximum Voltage: Unknown
	Configured Voltage: Unknown

but in Gnome System Monitor, htop, or free, I only see 5955Mb available :

oxayotl@Baha-u-llah> LANG=C free -m                                                                                                                                                                                                          ~
              total        used        free      shared  buff/cache   available
Mem:           5955        2058        2203         485        1693        3120
Swap:          1906           0        1906

How is that possible? Any idea what is happening?

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#2 2019-08-29 21:45:08

graysky
Wiki Maintainer
From: :wq
Registered: 2008-12-01
Posts: 10,731
Website

Re: 8192Mb ram available in BIOS/dmidecode, only 5955Mb found by free/htop

Shared memory option in BIOS?  Hardware details?

AUR packages • Zsh and other configs

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#3 2019-08-29 22:02:10

Hybrid Son Of Oxayotl
Member
Registered: 2010-07-09
Posts: 56

Re: 8192Mb ram available in BIOS/dmidecode, only 5955Mb found by free/htop

I didn't find any such option in BIOS.
The laptop is a Asus ROG Zephyrus G GA532DU-AL005. I thought dmidecode would include all relevant hardware details, which command should I run to get more detail?
Here is lspci -vvv in case it helps

oxayotl@Baha-u-llah> lspci -vvv                                                                                                                                                                                                              ~
00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Raven/Raven2 Root Complex
	Subsystem: ASUSTeK Computer Inc. Raven/Raven2 Root Complex
	Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-

00:00.2 IOMMU: Advanced Micro Devices, Inc. [AMD] Raven/Raven2 IOMMU
	Subsystem: Advanced Micro Devices, Inc. [AMD] Raven/Raven2 IOMMU
	Control: I/O- Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 25
	Capabilities: <access denied>

00:01.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-1fh) PCIe Dummy Host Bridge
	Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-

00:01.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Raven/Raven2 PCIe GPP Bridge [6:0] (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin ? routed to IRQ 26
	Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
	I/O behind bridge: 0000f000-0000ffff [size=4K]
	Memory behind bridge: f6000000-f70fffff [size=17M]
	Prefetchable memory behind bridge: 00000000c0000000-00000000d20fffff [size=289M]
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- VGA16+ MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

00:01.2 PCI bridge: Advanced Micro Devices, Inc. [AMD] Raven/Raven2 PCIe GPP Bridge [6:0] (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin ? routed to IRQ 27
	Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
	I/O behind bridge: 0000f000-00000fff [empty]
	Memory behind bridge: f7900000-f79fffff [size=1M]
	Prefetchable memory behind bridge: 00000000fff00000-00000000000fffff [empty]
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- VGA16+ MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

00:01.3 PCI bridge: Advanced Micro Devices, Inc. [AMD] Raven/Raven2 PCIe GPP Bridge [6:0] (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort+ <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin ? routed to IRQ 28
	Bus: primary=00, secondary=03, subordinate=03, sec-latency=0
	I/O behind bridge: 0000e000-0000efff [size=4K]
	Memory behind bridge: f7800000-f78fffff [size=1M]
	Prefetchable memory behind bridge: 00000000fff00000-00000000000fffff [empty]
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort+ <MAbort- <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- VGA16+ MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

00:01.4 PCI bridge: Advanced Micro Devices, Inc. [AMD] Raven/Raven2 PCIe GPP Bridge [6:0] (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin ? routed to IRQ 29
	Bus: primary=00, secondary=04, subordinate=04, sec-latency=0
	I/O behind bridge: 0000d000-0000dfff [size=4K]
	Memory behind bridge: f7700000-f77fffff [size=1M]
	Prefetchable memory behind bridge: 00000000fff00000-00000000000fffff [empty]
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- VGA16+ MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

00:08.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-1fh) PCIe Dummy Host Bridge
	Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-

00:08.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Raven/Raven2 Internal PCIe GPP Bridge 0 to Bus A (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin A routed to IRQ 30
	Bus: primary=00, secondary=05, subordinate=05, sec-latency=0
	I/O behind bridge: 0000c000-0000cfff [size=4K]
	Memory behind bridge: f7200000-f76fffff [size=5M]
	Prefetchable memory behind bridge: 00000000e0000000-00000000f01fffff [size=258M]
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA+ VGA16+ MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD] FCH SMBus Controller (rev 61)
	Subsystem: ASUSTeK Computer Inc. FCH SMBus Controller
	Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap- 66MHz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Kernel driver in use: piix4_smbus
	Kernel modules: i2c_piix4, sp5100_tco

00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD] FCH LPC Bridge (rev 51)
	Subsystem: ASUSTeK Computer Inc. FCH LPC Bridge
	Control: I/O+ Mem+ BusMaster+ SpecCycle+ MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap- 66MHz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0

00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Raven/Raven2 Device 24: Function 0
	Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-

00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] Raven/Raven2 Device 24: Function 1
	Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-

00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] Raven/Raven2 Device 24: Function 2
	Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-

00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] Raven/Raven2 Device 24: Function 3
	Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Kernel driver in use: k10temp
	Kernel modules: k10temp

00:18.4 Host bridge: Advanced Micro Devices, Inc. [AMD] Raven/Raven2 Device 24: Function 4
	Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-

00:18.5 Host bridge: Advanced Micro Devices, Inc. [AMD] Raven/Raven2 Device 24: Function 5
	Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-

00:18.6 Host bridge: Advanced Micro Devices, Inc. [AMD] Raven/Raven2 Device 24: Function 6
	Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-

00:18.7 Host bridge: Advanced Micro Devices, Inc. [AMD] Raven/Raven2 Device 24: Function 7
	Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-

01:00.0 VGA compatible controller: NVIDIA Corporation TU116M [GeForce GTX 1660 Mobile] (rev a1) (prog-if 00 [VGA controller])
	Subsystem: ASUSTeK Computer Inc. TU116M [GeForce GTX 1660 Mobile]
	Physical Slot: 0
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 74
	Region 0: Memory at f6000000 (32-bit, non-prefetchable) [size=16M]
	Region 1: Memory at c0000000 (64-bit, prefetchable) [size=256M]
	Region 3: Memory at d0000000 (64-bit, prefetchable) [size=32M]
	Region 5: I/O ports at f000 [size=128]
	[virtual] Expansion ROM at f7000000 [disabled] [size=512K]
	Capabilities: <access denied>
	Kernel driver in use: nvidia
	Kernel modules: nouveau, nvidia_drm, nvidia

01:00.1 Audio device: NVIDIA Corporation Device 1aeb (rev a1)
	Subsystem: ASUSTeK Computer Inc. Device 18d1
	Physical Slot: 0
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin B routed to IRQ 65
	Region 0: Memory at f7080000 (32-bit, non-prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: snd_hda_intel
	Kernel modules: snd_hda_intel

01:00.2 USB controller: NVIDIA Corporation Device 1aec (rev a1) (prog-if 30 [XHCI])
	Subsystem: ASUSTeK Computer Inc. Device 18d1
	Physical Slot: 0
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin C routed to IRQ 42
	Region 0: Memory at d2000000 (64-bit, prefetchable) [size=256K]
	Region 3: Memory at d2040000 (64-bit, prefetchable) [size=64K]
	Capabilities: <access denied>
	Kernel driver in use: xhci_hcd
	Kernel modules: xhci_pci

01:00.3 Serial bus controller [0c80]: NVIDIA Corporation Device 1aed (rev a1)
	Subsystem: ASUSTeK Computer Inc. Device 18d1
	Physical Slot: 0
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin D routed to IRQ 62
	Region 0: Memory at f7084000 (32-bit, non-prefetchable) [size=4K]
	Capabilities: <access denied>
	Kernel driver in use: nvidia-gpu
	Kernel modules: i2c_nvidia_gpu

02:00.0 Non-Volatile memory controller: Intel Corporation SSDPEKNW020T8 [660p, 2TB] (rev 03) (prog-if 02 [NVM Express])
	Subsystem: Intel Corporation SSDPEKNW020T8 [660p, 2TB]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin A routed to IRQ 31
	NUMA node: 0
	Region 0: Memory at f7900000 (64-bit, non-prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: nvme

03:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8821CE 802.11ac PCIe Wireless Network Adapter
	Subsystem: AzureWave RTL8821CE 802.11ac PCIe Wireless Network Adapter
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort+ <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin A routed to IRQ 71
	Region 0: I/O ports at e000 [size=256]
	Region 2: Memory at f7800000 (64-bit, non-prefetchable) [size=64K]
	Capabilities: <access denied>
	Kernel driver in use: rtl8821ce
	Kernel modules: 8821ce

04:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15)
	Subsystem: ASUSTeK Computer Inc. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin A routed to IRQ 63
	Region 0: I/O ports at d000 [size=256]
	Region 2: Memory at f7704000 (64-bit, non-prefetchable) [size=4K]
	Region 4: Memory at f7700000 (64-bit, non-prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: r8169
	Kernel modules: r8169

05:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Picasso (rev c1) (prog-if 00 [VGA controller])
	Subsystem: ASUSTeK Computer Inc. Picasso
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin A routed to IRQ 73
	Region 0: Memory at e0000000 (64-bit, prefetchable) [size=256M]
	Region 2: Memory at f0000000 (64-bit, prefetchable) [size=2M]
	Region 4: I/O ports at c000 [size=256]
	Region 5: Memory at f7600000 (32-bit, non-prefetchable) [size=512K]
	Capabilities: <access denied>
	Kernel driver in use: amdgpu
	Kernel modules: amdgpu

05:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Raven/Raven2/Fenghuang HDMI/DP Audio Controller
	Subsystem: ASUSTeK Computer Inc. Raven/Raven2/Fenghuang HDMI/DP Audio Controller
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin B routed to IRQ 67
	Region 0: Memory at f7688000 (32-bit, non-prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: snd_hda_intel
	Kernel modules: snd_hda_intel

05:00.2 Encryption controller: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 10h-1fh) Platform Security Processor
	Subsystem: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 10h-1fh) Platform Security Processor
	Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Interrupt: pin C routed to IRQ 255
	Region 2: Memory at f7500000 (32-bit, non-prefetchable) [disabled] [size=1M]
	Region 5: Memory at f768e000 (32-bit, non-prefetchable) [disabled] [size=8K]
	Capabilities: <access denied>

05:00.3 USB controller: Advanced Micro Devices, Inc. [AMD] Raven USB 3.1 (prog-if 30 [XHCI])
	Subsystem: ASUSTeK Computer Inc. Raven USB 3.1
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin D routed to IRQ 43
	Region 0: Memory at f7400000 (64-bit, non-prefetchable) [size=1M]
	Capabilities: <access denied>
	Kernel driver in use: xhci_hcd
	Kernel modules: xhci_pci

05:00.4 USB controller: Advanced Micro Devices, Inc. [AMD] Raven USB 3.1 (prog-if 30 [XHCI])
	Subsystem: ASUSTeK Computer Inc. Raven USB 3.1
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin A routed to IRQ 24
	Region 0: Memory at f7300000 (64-bit, non-prefetchable) [size=1M]
	Capabilities: <access denied>
	Kernel driver in use: xhci_hcd
	Kernel modules: xhci_pci

05:00.6 Audio device: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 10h-1fh) HD Audio Controller
	Subsystem: ASUSTeK Computer Inc. Family 17h (Models 10h-1fh) HD Audio Controller
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin C routed to IRQ 69
	Region 0: Memory at f7680000 (32-bit, non-prefetchable) [size=32K]
	Capabilities: <access denied>
	Kernel driver in use: snd_hda_intel
	Kernel modules: snd_hda_intel

05:00.7 Non-VGA unclassified device: Advanced Micro Devices, Inc. [AMD] Raven/Raven2/Renoir Non-Sensor Fusion Hub KMDF driver
	Subsystem: Advanced Micro Devices, Inc. [AMD] Raven/Raven2/Renoir Non-Sensor Fusion Hub KMDF driver
	Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Interrupt: pin D routed to IRQ 43
	Region 2: Memory at f7200000 (32-bit, non-prefetchable) [size=1M]
	Region 5: Memory at f768c000 (32-bit, non-prefetchable) [size=8K]
	Capabilities: <access denied>
	Kernel driver in use: i2c_amd_mp2
	Kernel modules: i2c_amd_mp2_pci

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#4 2019-08-29 23:20:15

loqs
Member
Registered: 2014-03-06
Posts: 18,859

Re: 8192Mb ram available in BIOS/dmidecode, only 5955Mb found by free/htop

Please post the output of the following

dmesg
cat /proc/meminfo

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#5 2019-08-30 07:18:19

Hybrid Son Of Oxayotl
Member
Registered: 2010-07-09
Posts: 56

Re: 8192Mb ram available in BIOS/dmidecode, only 5955Mb found by free/htop

oxayotl@Baha-u-llah> cat /proc/meminfo                                                                                                                                                                                                       ~
MemTotal:        6098692 kB
MemFree:         2186400 kB
MemAvailable:    3071484 kB
Buffers:          164308 kB
Cached:          1337876 kB
SwapCached:            0 kB
Active:          2340812 kB
Inactive:        1083112 kB
Active(anon):    1929928 kB
Inactive(anon):   505188 kB
Active(file):     410884 kB
Inactive(file):   577924 kB
Unevictable:           0 kB
Mlocked:               0 kB
SwapTotal:       1952764 kB
SwapFree:        1952764 kB
Dirty:               900 kB
Writeback:             0 kB
AnonPages:       1921708 kB
Mapped:           893148 kB
Shmem:            513384 kB
KReclaimable:     194032 kB
Slab:             285468 kB
SReclaimable:     194032 kB
SUnreclaim:        91436 kB
KernelStack:       13680 kB
PageTables:        22136 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:     5002108 kB
Committed_AS:    5749604 kB
VmallocTotal:   34359738367 kB
VmallocUsed:           0 kB
VmallocChunk:          0 kB
Percpu:             9728 kB
HardwareCorrupted:     0 kB
AnonHugePages:         0 kB
ShmemHugePages:        0 kB
ShmemPmdMapped:        0 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
Hugetlb:               0 kB
DirectMap4k:      248208 kB
DirectMap2M:     5978112 kB
DirectMap1G:           0 kB

dmesg :
http://codepad.org/871arz5R

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#6 2019-08-30 07:28:32

loqs
Member
Registered: 2014-03-06
Posts: 18,859

Re: 8192Mb ram available in BIOS/dmidecode, only 5955Mb found by free/htop

[    0.000000] BIOS-e820: [mem 0x00000001bf000000-0x000000023effffff] reserved

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#7 2019-08-30 12:09:17

seth
Member
From: Don't DM me only for attention
Registered: 2012-09-03
Posts: 74,288

Re: 8192Mb ram available in BIOS/dmidecode, only 5955Mb found by free/htop

Can you disable any/either of the GPUs?

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#8 2019-08-31 11:03:33

Hybrid Son Of Oxayotl
Member
Registered: 2010-07-09
Posts: 56

Re: 8192Mb ram available in BIOS/dmidecode, only 5955Mb found by free/htop

I don't know how. Neither of them is from intel, so I cannot use BBswitch, Bumblebee or Optimus as far as I know, and I have found no such options in the BIOS. I tried the method described here:
https://wiki.archlinux.org/index.php/Hy … screte_GPU

Didn't work :

oxayotl@Baha-u-llah> sudo LANG=C /usr/share/acpi_call/examples/turn_off_gpu.sh                                                                                                                                                               ~
Trying \_SB.PCI0.P0P1.VGA._OFF: /usr/share/acpi_call/examples/turn_off_gpu.sh: line 39: warning: command substitution: ignored null byte in input
failed
Trying \_SB.PCI0.P0P2.VGA._OFF: /usr/share/acpi_call/examples/turn_off_gpu.sh: line 39: warning: command substitution: ignored null byte in input
failed
Trying \_SB_.PCI0.OVGA.ATPX: /usr/share/acpi_call/examples/turn_off_gpu.sh: line 39: warning: command substitution: ignored null byte in input
failed
Trying \_SB_.PCI0.OVGA.XTPX: /usr/share/acpi_call/examples/turn_off_gpu.sh: line 39: warning: command substitution: ignored null byte in input
failed
Trying \_SB.PCI0.P0P3.PEGP._OFF: /usr/share/acpi_call/examples/turn_off_gpu.sh: line 39: warning: command substitution: ignored null byte in input
failed
Trying \_SB.PCI0.P0P2.PEGP._OFF: /usr/share/acpi_call/examples/turn_off_gpu.sh: line 39: warning: command substitution: ignored null byte in input
failed
Trying \_SB.PCI0.P0P1.PEGP._OFF: /usr/share/acpi_call/examples/turn_off_gpu.sh: line 39: warning: command substitution: ignored null byte in input
failed
Trying \_SB.PCI0.MXR0.MXM0._OFF: /usr/share/acpi_call/examples/turn_off_gpu.sh: line 39: warning: command substitution: ignored null byte in input
failed
Trying \_SB.PCI0.PEG1.GFX0._OFF: /usr/share/acpi_call/examples/turn_off_gpu.sh: line 39: warning: command substitution: ignored null byte in input
failed
Trying \_SB.PCI0.PEG0.GFX0.DOFF: /usr/share/acpi_call/examples/turn_off_gpu.sh: line 39: warning: command substitution: ignored null byte in input
failed
Trying \_SB.PCI0.PEG1.GFX0.DOFF: /usr/share/acpi_call/examples/turn_off_gpu.sh: line 39: warning: command substitution: ignored null byte in input
failed
Trying \_SB.PCI0.PEG0.PEGP._OFF: /usr/share/acpi_call/examples/turn_off_gpu.sh: line 39: warning: command substitution: ignored null byte in input
failed
Trying \_SB.PCI0.XVR0.Z01I.DGOF: /usr/share/acpi_call/examples/turn_off_gpu.sh: line 39: warning: command substitution: ignored null byte in input
failed
Trying \_SB.PCI0.PEGR.GFX0._OFF: /usr/share/acpi_call/examples/turn_off_gpu.sh: line 39: warning: command substitution: ignored null byte in input
failed
Trying \_SB.PCI0.PEG.VID._OFF: /usr/share/acpi_call/examples/turn_off_gpu.sh: line 39: warning: command substitution: ignored null byte in input
failed
Trying \_SB.PCI0.PEG0.VID._OFF: /usr/share/acpi_call/examples/turn_off_gpu.sh: line 39: warning: command substitution: ignored null byte in input
failed
Trying \_SB.PCI0.P0P2.DGPU._OFF: /usr/share/acpi_call/examples/turn_off_gpu.sh: line 39: warning: command substitution: ignored null byte in input
failed
Trying \_SB.PCI0.P0P4.DGPU.DOFF: /usr/share/acpi_call/examples/turn_off_gpu.sh: line 39: warning: command substitution: ignored null byte in input
failed
Trying \_SB.PCI0.IXVE.IGPU.DGOF: /usr/share/acpi_call/examples/turn_off_gpu.sh: line 39: warning: command substitution: ignored null byte in input
failed
Trying \_SB.PCI0.RP00.VGA._PS3: /usr/share/acpi_call/examples/turn_off_gpu.sh: line 39: warning: command substitution: ignored null byte in input
failed
Trying \_SB.PCI0.RP00.VGA.P3MO: /usr/share/acpi_call/examples/turn_off_gpu.sh: line 39: warning: command substitution: ignored null byte in input
failed
Trying \_SB.PCI0.GFX0.DSM._T_0: /usr/share/acpi_call/examples/turn_off_gpu.sh: line 39: warning: command substitution: ignored null byte in input
failed
Trying \_SB.PCI0.LPC.EC.PUBS._OFF: /usr/share/acpi_call/examples/turn_off_gpu.sh: line 39: warning: command substitution: ignored null byte in input
failed
Trying \_SB.PCI0.P0P2.NVID._OFF: /usr/share/acpi_call/examples/turn_off_gpu.sh: line 39: warning: command substitution: ignored null byte in input
failed
Trying \_SB.PCI0.P0P2.VGA.PX02: /usr/share/acpi_call/examples/turn_off_gpu.sh: line 39: warning: command substitution: ignored null byte in input
failed
Trying \_SB_.PCI0.PEGP.DGFX._OFF: /usr/share/acpi_call/examples/turn_off_gpu.sh: line 39: warning: command substitution: ignored null byte in input
failed
Trying \_SB_.PCI0.VGA.PX02: /usr/share/acpi_call/examples/turn_off_gpu.sh: line 39: warning: command substitution: ignored null byte in input
failed
Trying \_SB.PCI0.PEG0.PEGP.SGOF: /usr/share/acpi_call/examples/turn_off_gpu.sh: line 39: warning: command substitution: ignored null byte in input
failed
Trying \_SB.PCI0.AGP.VGA.PX02: /usr/share/acpi_call/examples/turn_off_gpu.sh: line 39: warning: command substitution: ignored null byte in input
failed

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#9 2019-08-31 12:24:54

seth
Member
From: Don't DM me only for attention
Registered: 2012-09-03
Posts: 74,288

Re: 8192Mb ram available in BIOS/dmidecode, only 5955Mb found by free/htop

If you can't deactivate it in the BIOS, there's no point anyway (assuming the BIOS reserves the memory for the GPU/s)
Deactivating it in the OS will not "free" that memory ever.

Maybe you can make use of https://wiki.archlinux.org/index.php/Swap_on_video_RAM

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#10 2019-08-31 13:58:54

Hybrid Son Of Oxayotl
Member
Registered: 2010-07-09
Posts: 56

Re: 8192Mb ram available in BIOS/dmidecode, only 5955Mb found by free/htop

I think I'll just buy more RAM.

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