Dell XPS 15 9570 - ArchWiki

# Dell XPS 15 9570

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This article or section does not follow the Laptop page guidelines.

Reason: Hardware table needs adjusting and a function keys table should be added (Discuss in Talk:Dell XPS 15 9570#)

This article or section needs expansion.

Reason: This page is far from completed. Some not mentioned items could be the same as XPS 15 9560. Most of it also applies to the Precision 5530 (Discuss in Talk:Dell XPS 15 9570#)

Device/Functionality | Status
--- | ---
Suspend | Working
Hibernate | Working
Integrated Graphics | Working
Discrete Nvidia Graphics | Modify
Wifi | Working
Bluetooth | Working
rfkill | Working
Audio | Working
Touchpad | Working
Touchscreen | Working
Webcam | Working
Card Reader | Working
Function/Multimedia Keys | Working
Power Management | Working
EFI firmware updates | Working
Fingerprint reader | Not working

## UEFI

Before installing it is necessary to modify some UEFI Settings. They can be accessed by pressing the F2 key repeatedly when booting.

- Change the SATA Mode from the default "RAID" to "AHCI". This will allow Linux to detect the NVME SSD. If dual booting with an existing Windows installation, Windows will not boot after the change but this can be fixed without a reinstallation.
- Change Fastboot to "Thorough" in "POST Behaviour". This prevents intermittent boot failures.
- Disable secure boot to allow Linux to boot. Alternatively, you can choose to set up Secure Boot so that it works with Linux and you can take advantage of its potential security benefits.

Installation of Arch Linux can proceed normally. Refer to the Installation guide for more information.

Note: Many Dell XPS UEFI do not support passing kernel line options directly to the kernel and will result in a frozen boot. Use a bootloader or Arch-EFIBoot[1] instead.

## Power Management

### Suspend

By default, the very inefficient s2idle suspend variant is selected, which consumes a large amount of power. The much more efficient deep variant can be selected instead:

    $ cat /sys/power/mem_sleep

    [s2idle] deep

    # echo deep | tee /sys/power/mem_sleep

    deep

    $ cat /sys/power/mem_sleep

    s2idle [deep]

To make the change permanent add `mem_sleep_default=deep` to your kernel parameters.

An easy way would be to add `mem_sleep_default=deep` to the `GRUB_CMDLINE_LINUX_DEFAULT` entry in /etc/default/grub:

    GRUB_CMDLINE_LINUX_DEFAULT="mem_sleep_default=deep"

Read more regarding the sleep variants on the kernel documentation [2].

Warning: Some users have reported a problem where the CPUs get stuck in a high power state after resuming from S3 (deep) suspension [3]. Workaround is to touch the touchpad [4]. The underlying cause is spurious interrupts generated by the Synaptics SYNA2393 touchpad, and has been fixed as of Linux 5.7-rc5 [5]

### Hibernate

Works out of the Box see Power management/Suspend and hibernate

### Powertop

`powertop` is very efficient to manage power consumption. Run `powertop --auto-tune` and compare the Watt consumption variation (laptop must be unplugged and running on battery). `powertop --auto-tune` can be run at every boot.

See Powertop#Apply settings.

## Graphics

### kernel modules

The nouveau module is known to cause kernel panics and freezes on Dell XPS 15 9570.

One way to mitigate this would be by adding `nomodeset` to the kernel options. However it's better to completely disable it with the blacklist method (recommended):

    /etc/modprobe.d/blacklist.conf

    blacklist nouveau
    blacklist rivafb
    blacklist nvidiafb
    blacklist rivatv
    blacklist nv

### NVIDIA Optimus

See NVIDIA Optimus#Available methods.

### Troubleshooting

#### xbacklight

To get xbacklight working and not conflicting with NVIDIA optimus:

    /etc/X11/xorg.conf.d/20-intel.conf

    Section "Device"
    	Identifier  "Intel Graphics"
            Driver      "intel"
            Option      "Backlight"  "intel_backlight"
    EndSection

#### NVRM: Failed to enable MSI; falling back to PCIe virtual-wire interrupts

Sometimes it happens after suspend/resume. GPU could work fine without MSI. [6]. You could disable MSI by adding the following in /etc/modprobe.d/nvidia.conf:

    options nvidia NVreg_EnableMSI=0

#### Lock-ups when resuming from suspend with nvidia module

If your system locks up every time you resume from suspend with the following two lines in the output of dmesg:

    [   42.447364] pci 0000:01:00.0: Refused to change power state, currently in D3
    [   46.896493] pci 0000:01:00.0: Refused to change power state, currently in D3

you need to do the following:

Into /etc/default/grub

    GRUB_CMDLINE_LINUX="nouveau.blacklist=0 acpi_osi=! acpi_osi=\"Windows 2015\" acpi_backlight=vendor mem_sleep_default=deep"

This solved the lock-ups for me. (internal nvidia bug number: 2589324, dell resolution)

## Wifi and Bluetooth

These work well out of the box but you might need to update the firmware for better stability. For bluetooth, make sure you have everything installed as per the Bluetooth wiki page.

    $ lspci | grep Network

    3b:00.0 Network controller: Qualcomm Atheros QCA6174 802.11ac Wireless Network Adapter (rev 32)

This article or section needs expansion.

Reason: Please add a line here if you detect something different. (Discuss in Talk:Dell XPS 15 9570#)

### Troubleshooting

#### ath10k module crashes after suspend

You may notice driver crashes after suspend/resume, which for the most part does not seem to impact the running system, with coredumps similar to:

    kernel: WARNING: CPU: 6 PID: 27936 at drivers/net/wireless/ath/ath10k/mac.c:5746 ath10k_bss_info_changed+0xf96/0x1120 [ath10k_core]
    kernel: Modules linked in: uhid algif_hash cmac rfcomm fuse ccm ipt_MASQUERADE nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo iptable_nat nf_nat_ipv4>
    kernel:  snd_hda_intel dcdbas x86_pkg_temp_thermal dell_smm_hwmon snd_hda_codec intel_powerclamp cfg80211 kvm_intel snd_hda_core input_leds snd_hwdep snd>
    kernel:  vfio_mdev mdev vfio_iommu_type1 vfio kvm irqbypass intel_gtt i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm agpga>
    kernel: CPU: 6 PID: 27936 Comm: kworker/u24:42 Tainted: G     U  W  OE     5.0.4-arch1-1-ARCH #1
    kernel: Hardware name: Dell Inc. XPS 15 9570/0HWTMH, BIOS 1.8.1 02/01/2019
    kernel: Workqueue: events_unbound async_run_entry_fn
    kernel: RIP: 0010:ath10k_bss_info_changed+0xf96/0x1120 [ath10k_core]
    kernel: Code: 24 8b 95 78 01 00 00 85 c0 0f 85 a7 00 00 00 89 d1 be 10 00 00 00 48 c7 c2 c0 b2 fa c0 4c 89 c7 e8 bf 68 00 00 e9 a5 f1 ff ff <0f> 0b 4c 89>
    kernel: RSP: 0000:ffffb7a45422fcd0 EFLAGS: 00010282
    kernel: RAX: 00000000fffffffe RBX: ffff98f6d44815a0 RCX: 0000000000000000
    kernel: RDX: ffff98f6d4481938 RSI: ffffb7a45422fcf0 RDI: ffff98f6d81df418
    kernel: RBP: ffff98f6d81df418 R08: 0000000000000001 R09: 0000000000000000
    kernel: R10: 000000000000001f R11: 0000000000000000 R12: 0000000000000020
    kernel: R13: ffff98f6d81df420 R14: ffff98f6d4482598 R15: ffff98f6d44815a0
    kernel: FS:  0000000000000000(0000) GS:ffff98f6dc380000(0000) knlGS:0000000000000000
    179 94%
    kernel:  process_one_work+0x1eb/0x410
    kernel:  worker_thread+0x2d/0x3d0
    kernel:  ? process_one_work+0x410/0x410
    kernel:  kthread+0x112/0x130
    kernel:  ? kthread_park+0x80/0x80
    kernel:  ret_from_fork+0x35/0x40
    kernel: ---[ end trace 09ae3e174c178f98 ]---

Patched in some kernels and not others (which?), relevant links:

- BBS: Suspend issue with Dell XPS 9570 (related)
- buzbilla#201499: ath10k BUG on resume

#### WiFi partially looses network connectivity every 1-2 hours

With some WiFi routers, the network connection might get partially lost without any noticeable change in the network status. Existing connections (e.g. ssh sessions, Zoom videocalls) keep working, but loading new web pages or even pinging the gateway do not work anymore. Restarting the network fixes the problem, which however reappears after 1-2 ours.

The issue can be fixed definitively by downgrading the WiFi card firmware as explained in post #17 of this forum thread. The downgrade must be repeated every time the linux-firmware package is upgraded.

#### Bluetooth disappears (after suspend?)

Possibly related to the previous instability issue, sometimes the adapter seems to completely disappear. As reported here (thanks w.v.w., you can likely fix this by manually upgrading the firmware (to something newer than what's in linux-firmware:

1. Double check adapter (e.g. QCA6174, below)

    $ lspci | grep Network

    3b:00.0 Network controller: Qualcomm Atheros QCA6174 802.11ac Wireless Network Adapter (rev 32)

2. Confirm hardware and current firmware version (e.g. hw3.2, firmware RM.4.4.1.c3-00013-QCARMSWPZ-1, below)

    # journalctl -b --grep='ath10k.*(firmware|qca)'

    kernel: ath10k_pci 0000:3b:00.0: qca6174 hw3.2 target 0x05030000 chip_id 0x00340aff sub 1a56:1535
    kernel: ath10k_pci 0000:3b:00.0: firmware ver RM.4.4.1.c3-00013-QCARMSWPZ-1 api 6 features wowlan,ignore-otp,no-4addr-pad,raw-mode,mfp crc32 fc0096a8

3. Follow the instructions at https://wireless.wiki.kernel.org/en/users/Drivers/ath10k/firmware

e.g. for the above adapter, download the latest firmware from https://github.com/kvalo/ath10k-firmware/tree/master/QCA6174/hw3.0 and

    $ cd /lib/firmware/ath10k/QCA6174/hw3.0
    # cp firmware-6.bin firmware-6.bin.bak
    # cp ~/Downloads/firmware-6.bin_RM.4.4.1.c3-00013-QCARMSWPZ-1 firmware-6.bin

Either `rmmod ath10k_core ath10k_pci && modprobe ath10k_pci` (as the root user) (may not work, check dmesg) or reboot.

## Touchpad and Touchscreen

Wacom touchscreen and Synaptics touchpad:

    $ xinput

    ⎡ Virtual core pointer                          id=2    [master pointer  (3)]
    ⎜   ↳ Virtual core XTEST pointer                id=4    [slave  pointer  (2)]
    ⎜   ↳ SYNA2393:00 06CB:7A13 Touchpad            id=16   [slave  pointer  (2)]
    ⎜   ↳ Wacom HID 488F Finger                     id=15   [slave  pointer  (2)]
    ⎣ Virtual core keyboard                         id=3    [master keyboard (2)]
    [truncated]

Both are i2c devices:

    $ udevadm info /dev/input/mouse3 # touchscreen

    P: /devices/pci0000:00/0000:00:15.0/i2c_designware.0/i2c-10/i2c-WCOM488F:00/0018:056A:488F.0006/input/input47/mouse3
    N: input/mouse3
    L: 0
    E: DEVPATH=/devices/pci0000:00/0000:00:15.0/i2c_designware.0/i2c-10/i2c-WCOM488F:00/0018:056A:488F.0006/input/input47/mouse3
    E: DEVNAME=/dev/input/mouse3
    E: MAJOR=13
    E: MINOR=35
    E: SUBSYSTEM=input
    E: USEC_INITIALIZED=5501073
    E: ID_INPUT=1
    E: ID_INPUT_TOUCHSCREEN=1
    E: ID_PATH=pci-0000:00:15.0-platform-i2c_designware.0
    E: ID_PATH_TAG=pci-0000_00_15_0-platform-i2c_designware_0

    $ udevadm info /dev/input/mouse6 # touchpad

    P: /devices/pci0000:00/0000:00:15.1/i2c_designware.1/i2c-11/i2c-SYNA2393:00/0018:06CB:7A13.0007/input/input38/mouse6
    N: input/mouse6
    L: 0
    S: input/by-path/pci-0000:00:15.1-platform-i2c_designware.1-mouse
    E: DEVPATH=/devices/pci0000:00/0000:00:15.1/i2c_designware.1/i2c-11/i2c-SYNA2393:00/0018:06CB:7A13.0007/input/input38/mouse6
    E: DEVNAME=/dev/input/mouse6
    E: MAJOR=13
    E: MINOR=38
    E: SUBSYSTEM=input
    E: USEC_INITIALIZED=4683741
    E: ID_INPUT=1
    E: ID_INPUT_TOUCHPAD=1
    E: ID_SERIAL=noserial
    E: ID_PATH=pci-0000:00:15.1-platform-i2c_designware.1
    E: ID_PATH_TAG=pci-0000_00_15_1-platform-i2c_designware_1
    E: DEVLINKS=/dev/input/by-path/pci-0000:00:15.1-platform-i2c_designware.1-mouse

If you experience problems with the touch pad it might be worth disabling psmouse

## Thunderbolt docks

### TB16

TB16 works fine if either Thunderbolt security is disabled in the BIOS or using bolt to temporarily authorize or permanently enroll Thunderbolt devices with Thunderbolt security activated. Various quirks are detailed on the Dell TB16 page.

### Caldigit TS3 Plus

The TS3 Plus works fine if either Thunderbolt security is disabled in the BIOS or using bolt to temporarily authorize or permanently enroll Thunderbolt devices with Thunderbolt security activated. There is an issue where the USB ports will not work if unplugged and then plugged in again. This can be fixed by rebooting into the UEFI and using BIOS assisted enumeration (NOT native nor auto-switch), you may need to disable auto-switch, apply, then choose BIOS assisted, then apply again.

## EFI firmware updates

They are 2 main ways to update efi firmware:

- through running linux session with Fwupd
- through UEFI

### UEFI

Firmware images can be found at Dell support page as `XPS_15_9570_X.Y.Z.exe` files. In order to install:

- Download the desired firmware from section "Dell XPS 15 9570 System BIOS"
- Save it in `/boot/EFI/Dell/Bios/` (this path may vary, depending on your installation)
- Reboot the system, and enter the boot menu by pressing repeatedly `F12` on Dell logo
- Choose "Bios Flash Update"
- Select the file previously saved, and start the process

The process will take about five minutes, during which the system will have some reboots and push fans at maximum speed. Finally the system will reboot normally.

## Thermal management

Thermal design is poor in the 9570, primarily due to higher-end chips being used inside the original system design without compensating for extra heat. This impacts numerous areas:

1. Performance: at higher temperatures, CPU cores are throttled down to avoid damage. At best your system will not run as fast as it can, and at worst (and quite commonly), slower than cheaper chips and with sluggish performance.
2. Battery life is unnecessarily decreased.
3. System longevity: running at constantly high temperatures will negatively impact equipment lifetime.
4. User discomfort: uncomfortable heat and uncomfortable fan noise.

Fortunately these can all be improved significantly to get your system running powerfully and quietly.

### Diagnosis

You probably have a lot of dmesg output like this (for all CPUs), even with fairly light usage:

    kernel: CPU8: Package temperature above threshold, cpu clock throttled (total events = 8451)
    kernel: CPU8: Package temperature/speed normal

Use lm_sensors and do some stress testing (with `stress` and `mprime`) to see what's happening with CPU core temperatures and fanspeed under different loads.

### Undervolting

See Undervolting CPU on the wiki. Reduces heat and extends battery life.

Warning: Versions 1.16.0 and newer of the BIOS interfere with undervolting. See this issue for more information and potential workarounds.

Possible configurations for `/etc/intel-undervolt.conf`:

1. i9-8950HK* (last updated 2019-03-30)

    undervolt 0 'CPU' -140
    undervolt 1 'GPU' -75

    * Tested extensively for moderate use.  Was not stress tested for > 24 hours.  Anecdotal reports of up to -200.

This has a more minor impact than repasting but is significantly easier to do.

### Repasting & padding

Significant improvements are possible by replacing the thermal grease used by Dell with better options available from Amazon, and adding some extra thermal padding. This might sound overwhelming but is well worth the effort, especially for newer CPUs. If you cannot do this yourself consider finding a shop / technician who can do this for you. See the following article as the user comments below it for more info:

- UltraBookReview: How to Fix Throttling on the Dell XPS 15 9570 / 9560
- Picture of 9570 VRMs - from comments of the above article

### Results

According to the author of the UltraBookReview article above:

  Undervolting seems to reduce temps at max load by 7-10C, while repasting seems to reduce temps by between 4-10C depending on your original paste job and paste used.

From this forum post, much lower/softer fan speeds were needed to maintain the same temperatures, and temperature was a few degrees lower under similar loads. Fans were on less often and for less time when they were. Throttling was less prevalent and less severe.

## Fingerprint reader

The fingerprint reader lacks Linux drivers.

Goodix will not provide them directly as stated on their forum and frequently blames the responsibility on device manufacturers.

Nonetheless Goodix stated (2020-04-30) that they are collaborating with Dell to provide the support for Linux in the second half of 2020 for the XPS 9570.

There are also some people working on reverse engineering the driver.

Category:

- Dell

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