A new XanMod Linux Kernel based on Linux Kernel 5.15.21 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 5.15.21-xanmod1

786c4f1 Linux 5.15.21-xanmod1
5b4ae41 Merge tag 'v5.15.21' into 5.15
f01ed5d Linux 5.15.21
2b2f533 Revert "drm/vc4: hdmi: Make sure the device is powered with CEC" again
a03d2f9 Revert "drm/vc4: hdmi: Make sure the device is powered with CEC"
8deae2f Linux 5.15.20
e6b678c ovl: fix NULL pointer dereference in copy up warning
c3d8123 tcp: add missing tcp_skb_can_collapse() test in tcp_shift_skb_data()
3432118 af_packet: fix data-race in packet_setsockopt / packet_setsockopt
03f42c8 e1000e: Handshake with CSME starts from ADL platforms
6be2349 cpuset: Fix the bug that subpart_cpus updated wrongly in update_cpumask()
def5e70 rtnetlink: make sure to refresh master_dev/m_ops in __rtnl_newlink()
f36cacd net: sched: fix use-after-free in tc_new_tfilter()
60765e4 fanotify: Fix stale file descriptor in copy_event_to_user()
db6fd92 net: amd-xgbe: Fix skb data length underflow
8cb5afa net: amd-xgbe: ensure to reset the tx_timer_active flag
b82364a i40e: Fix reset path while removing the driver
047fc33 i40e: Fix reset bw limit when DCB enabled with 1 TC
8618635 ipheth: fix EOVERFLOW in ipheth_rcvbulk_callback
5ca77e0 net/mlx5: E-Switch, Fix uninitialized variable modact
0ca746e net/mlx5: Bridge, Fix devlink deadlock on net namespace deletion
5d57558 net/mlx5e: Don't treat small ceil values as unlimited in HTB offload
f232acb net/mlx5: Fix offloading with ESWITCH_IPV4_TTL_MODIFY_ENABLE
60c48ab net/mlx5e: Fix module EEPROM query
f895ebe net/mlx5: Use del_timer_sync in fw reset flow of halting poll
fe70126 net/mlx5e: Fix handling of wrong devices during bond netevent
e882123 net/mlx5: Bridge, ensure dev_name is null-terminated
c4e3cf1 net/mlx5: Bridge, take rtnl lock in init error handler
490292d net/mlx5e: IPsec: Fix tunnel mode crypto offload for non TCP/UDP traffic
6dfc954 lockd: fix failure to cleanup client locks
cb5864b lockd: fix server crash on reboot of client holding lock
559bc6e ovl: don't fail copy up if no fileattr support on upper
9341457 Revert "mm/gup: small refactoring: simplify try_grab_page()"
4b1c32b cgroup-v1: Require capabilities to set release_agent
d5e81e3 drm/vc4: hdmi: Make sure the device is powered with CEC
dffeeca net: ipa: prevent concurrent replenish
5f4ed98 net: ipa: use a bitmap for endpoint replenish_enabled
ee782b8 selftests: mptcp: fix ipv6 routing setup
1db58c6 PCI: pciehp: Fix infinite loop in IRQ handler upon power fault


Homepage
Download Linux 5.15.21-xanmod1 source from GitHub