A new XanMod Linux Kernel based on the latest LTS Linux Kernel 5.4.108 has been released. XanMod is a general-purpose Linux kernel distribution with custom settings and new features. The real-time version is recommended for critical runtime applications such as Linux gaming eSports, streaming, live productions and ultra-low latency enthusiasts.

XanMod is a general-purpose Linux kernel distribution with custom settings and new features. Built to provide a stable, responsive and smooth desktop experience.

The real-time version is recommended for critical runtime applications such as Linux gaming eSports, streaming, live productions and ultra-low latency enthusiasts.

Supports all recent 64-bit versions of Debian and Ubuntu-based systems.

Main Features

• Preemptive Full Tickless Kernel at 500Hz w/ Tuned CPU Core Scheduler.
• RCU Boost for better responsiveness and lower overall system latency.
• Block Layer w/ multi-threaded runqueue for high I/O throughput.
• Caching, Virtual Memory Manager and CPUFreq Governor improvements.
• BBR TCP Congestion Control + FQ-PIE Packet Scheduling and AQM Algorithm [5.8].
• ORC Unwinder for Kernel Stack Traces (debuginfo) implementation.
• Third-party patchset available: ZSTD kernel, initrd and modules support [5.8][5.6-rt], Full x86_64 FSGSBASE instructions [5.8], Clear Linux [partial], CK's Hrtimer Patchset [5.8][5.4], Wine / Proton Fsync, PCIe ACS Override, BMQ Process Scheduler [5.4 stock disabled], Aufs [5.4] and GCC graysky's.
• Real-time Linux kernel (PREEMPT_RT) build available [5.6-rt][5.4-rt].
• Generic kernel package for compatibility with most Debian & Ubuntu based distributions. Built on the latest GCC 10.2 and Binutils 2.35.
• GPLv2 license. Can be built for any distribution or purpose.

Install via Terminal

echo 'deb  http://deb.xanmod.org releases main' | sudo tee /etc/apt/sources.list.d/xanmod-kernel.list && wget -qO -  https://dl.xanmod.org/gpg.key | sudo apt-key add -

Then update and install:

sudo apt update && sudo apt install linux-xanmod

Reboot.

Meta packages available: linux-xanmod, linux-xanmod-edge, linux-xanmod-lts, linux-xanmod-rt-edge and linux-xanmod-rt.

To try without adding the repository

Download from Sourceforge and install:
https://sourceforge.net/projects/xanmod/files/

1. In terminal:

   sudo dpkg -i linux-image-*xanmod*.deb linux-headers-*xanmod*.deb

2. Reboot.

• Check it:

  cat /proc/version

* linux-firmware-image package is optional

Linux 5.4.108-xanmod1

• 774828a Linux 5.4.108-xanmod1
• 5ed3bde lib: zstd: Upgrade to latest upstream zstd version 1.4.6
• 5541d43 lib: zstd: Add decompress_sources.h for decompress_unzstd
• 743d59c lib: zstd: Add kernel-specific API
• 846c0b1 Merge tag 'v5.4.108' into 5.4
• b90344f Linux 5.4.108
• 819eb4d cifs: Fix preauth hash corruption
• cf113ff x86/apic/of: Fix CPU devicetree-node lookups
• 288be0e genirq: Disable interrupts for force threaded handlers
• b8ebe85 firmware/efi: Fix a use after bug in efi_mem_reserve_persistent
• 31e1716 efi: use 32-bit alignment for efi_guid_t literals
• 886dbe0 ext4: fix potential error in ext4_do_update_inode
• 2f65ae3 ext4: do not try to set xattr into ea_inode if value is empty
• 474aab4 ext4: find old entry again if failed to rename whiteout
• de2e160 x86: Introduce TS_COMPAT_RESTART to fix get_nr_restart_syscall()
• 076b60a x86: Move TS_COMPAT back to asm/thread_info.h
• 27ddd2b kernel, fs: Introduce and use set_restart_fn() and arch_set_restart_data()
• f546965 x86/ioapic: Ignore IRQ2 again
• da326ba perf/x86/intel: Fix a crash caused by zero PEBS status
• 51a2b19 PCI: rpadlpar: Fix potential drc_name corruption in store functions
• 796fc33 counter: stm32-timer-cnt: fix ceiling write max value
• 850ca1c iio: hid-sensor-temperature: Fix issues of timestamp channel
• 31a2e80 iio: hid-sensor-prox: Fix scale not correct issue
• 3fa27c8 iio: hid-sensor-humidity: Fix alignment issue of timestamp channel
• 4458ae8 iio: adc: ad7949: fix wrong ADC result due to incorrect bit mask
• a605c09 iio: gyro: mpu3050: Fix error handling in mpu3050_trigger_handler
• 87163fb iio: adis16400: Fix an error code in adis16400_initial_setup()
• ed06253 iio:adc:qcom-spmi-vadc: add default scale to LR_MUX2_BAT_ID channel
• 08414c4 iio:adc:stm32-adc: Add HAS_IOMEM dependency
• b0a5952 usb: typec: tcpm: Invoke power_supply_changed for tcpm-source-psy-
• 4baade6 usb: gadget: configfs: Fix KASAN use-after-free
• c92aebf USB: replace hardcode maximum usb string length by definition
• f893661 usbip: Fix incorrect double assignment to udc->ud.tcp_rx
• 251949e usb-storage: Add quirk to defeat Kindle's automatic unload
• 81b56af nvme-rdma: fix possible hang when failing to set io queues
• b891d41 counter: stm32-timer-cnt: Report count function when SLAVE_MODE_DISABLED
• 86fd6c0 scsi: myrs: Fix a double free in myrs_cleanup()
• eb46392 scsi: lpfc: Fix some error codes in debugfs
• 1f92555 riscv: Correct SPARSEMEM configuration
• 7db8f3b kbuild: Fix for empty SUBLEVEL or PATCHLEVEL again
• 1dad483 net/qrtr: fix __netdev_alloc_skb call
• f0b09d5 sunrpc: fix refcount leak for rpc auth modules
• 3c57ea0 vfio: IOMMU_API should be selected
• b439aac svcrdma: disable timeouts on rdma backchannel
• d1ae8f1 NFSD: Repair misuse of sv_lock in 5.10.16-rt30.
• 4c5fab5 nfsd: Don't keep looking up unhashed files in the nfsd file cache
• 49545a7 nvmet: don't check iosqes,iocqes for discovery controllers
• cf7d772 nvme-tcp: fix a NULL deref when receiving a 0-length r2t PDU
• 36a4f91 nvme-tcp: fix possible hang when failing to set io queues
• 81c1dbe nvme: fix Write Zeroes limitations
• 6712b7f afs: Stop listxattr() from listing "afs.*" attributes
• c71b933 ASoC: simple-card-utils: Do not handle device clock
• e029384 ASoC: SOF: intel: fix wrong poll bits in dsp power down
• 626a484 ASoC: SOF: Intel: unregister DMIC device on probe error
• db3d39b ASoC: fsl_ssi: Fix TDM slot setup for I2S mode
• 24c5533 btrfs: fix slab cache flags for free space tree bitmap
• 5b3b995 btrfs: fix race when cloning extent buffer during rewind of an old root
• a3e438d ARM: 9044/1: vfp: use undef hook for VFP support detection
• a47b395 ARM: 9030/1: entry: omit FP emulation for UND exceptions taken in kernel mode
• 34794bc s390/vtime: fix increased steal time accounting
• ba43420 Revert "PM: runtime: Update device status before letting suppliers suspend"
• 62cf220 ALSA: hda/realtek: Apply headset-mic quirks for Xiaomi Redmibook Air
• 613fd76 ALSA: hda: generic: Fix the micmute led init state
• 5a5f856 ALSA: hda/realtek: apply pin quirk for XiaomiNotebook Pro
• 4d35c01 ALSA: dice: fix null pointer dereference when node is disconnected
• d0fc0e7 ASoC: ak5558: Add MODULE_DEVICE_TABLE
• a592a4c ASoC: ak4458: Add MODULE_DEVICE_TABLE

Homepage
Download Linux 5.4.108-xanmod1 source from GitHub