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The first XanMod Linux kernel based on the Linux kernel 6.11 series 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.



Linux 6.11.0-xanmod1

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-xanmodlinux-xanmod-edgelinux-xanmod-ltslinux-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

Change log

  • 9c60408 Linux 6.11.0-xanmod1
  • ecc7417 XANMOD: .gitlab-ci: Add gitlab-ci.yml file
  • be64769 sysctl: add sysctl to disallow unprivileged CLONE_NEWUSER by default
  • c371f5e PCI: Enable overrides for missing ACS capabilities
  • 2f96de9 mfd: steamdeck: Expose controller board power in sysfs
  • 4eb20bd mfd: Add MFD core driver for Steam Deck
  • 1baead0 leds: steamdeck: Add support for Steam Deck LED
  • 30b84b2 hwmon: steamdeck-hwmon: Add support for max battery level/rate
  • b0e81e3 hwmon: Add driver for Steam Deck's EC sensors
  • 70e352f extcon: Add driver for Steam Deck
  • 0677f73 file: export file_close_fd() instead of close_fd_get_file()
  • f0fb38c wait: allow to use __wake_up_pollfree() from GPL modules
  • f49c1c5 binder: give binder_alloc its own debug mask file
  • bf2c7be binder: turn into module
  • e135ad4 Revert "misc: ntsync: mark driver as "broken" to prevent from building"
  • 3767b0e docs: ntsync: Add documentation for the ntsync uAPI.
  • c4b402d maintainers: Add an entry for ntsync.
  • eea05ea selftests: ntsync: Add a stress test for contended waits.
  • 2579aa0 selftests: ntsync: Add some tests for wakeup signaling via alerts.
  • d5c6493 selftests: ntsync: Add tests for alertable waits.
  • c1088aa selftests: ntsync: Add some tests for wakeup signaling with events.
  • 4147829 selftests: ntsync: Add some tests for auto-reset event state.
  • b9620f2 selftests: ntsync: Add some tests for manual-reset event state.
  • aba960b selftests: ntsync: Add some tests for wakeup signaling with WINESYNC_IOC_WAIT_ALL.
  • 9068ef9 selftests: ntsync: Add some tests for wakeup signaling with WINESYNC_IOC_WAIT_ANY.
  • c70334d selftests: ntsync: Add some tests for NTSYNC_IOC_WAIT_ALL.
  • 4f7ebee selftests: ntsync: Add some tests for NTSYNC_IOC_WAIT_ANY.
  • 46bc834 selftests: ntsync: Add some tests for mutex state.
  • aab99ad selftests: ntsync: Add some tests for semaphore state.
  • 1f2e05a ntsync: Introduce alertable waits.
  • ec13d9b ntsync: Introduce NTSYNC_IOC_EVENT_READ.
  • 22d9945 ntsync: Introduce NTSYNC_IOC_MUTEX_READ.
  • 727ea9e ntsync: Introduce NTSYNC_IOC_SEM_READ.
  • 9cf5efc ntsync: Introduce NTSYNC_IOC_EVENT_PULSE.
  • 5075d18 ntsync: Introduce NTSYNC_IOC_EVENT_RESET.
  • ff60845 ntsync: Introduce NTSYNC_IOC_EVENT_SET.
  • ad57851 ntsync: Introduce NTSYNC_IOC_CREATE_EVENT.
  • 97d0f43 ntsync: Introduce NTSYNC_IOC_MUTEX_KILL.
  • 99b94f1 ntsync: Introduce NTSYNC_IOC_MUTEX_UNLOCK.
  • 2740171 ntsync: Introduce NTSYNC_IOC_CREATE_MUTEX.
  • 577bd21 ntsync: Introduce NTSYNC_IOC_WAIT_ALL.
  • 99377be ntsync: Introduce NTSYNC_IOC_WAIT_ANY.
  • ec90a2e mac80211: ignore AP power level when tx power type is "fixed"
  • aa30866 netfilter: add xt_FLOWOFFLOAD target
  • 9e77928 netfilter: Add netfilter nf_tables fullcone support
  • 707dfe1 tcp: Add a sysctl to skip tcp collapse processing when the receive buffer is full
  • 636ec62 x86/cfi,bpf: Add tso_segs and skb_marked_lost to bpf_struct_ops CFI
  • d11faee tcp: export TCPI_OPT_ECN_LOW in tcp_info tcpi_options field
  • aa82196 net-tcp_bbr: v3: ensure ECN-enabled BBR flows set ECT on retransmits
  • 914464e net-tcp_bbr: v3: update TCP "bbr" congestion control module to BBRv3
  • 2e00a99 tcp: introduce per-route feature RTAX_FEATURE_ECN_LOW
  • 283c063 net-tcp_bbr: v2: introduce is_acking_tlp_retrans_seq into rate_sample
  • 0d4a03a net-tcp_bbr: v2: inform CC module of losses repaired by TLP probe
  • b8a2c04 net-tcp_bbr: v2: record app-limited status of TLP-repaired flight
  • 4009a00 net-tcp: add fast_ack_mode=1: skip rwin check in tcp_fast_ack_mode__tcp_ack_snd_check()
  • c8ce7c1 net-tcp: re-generalize TSO sizing in TCP CC module API
  • 9230a3f net-tcp: add new ca opts flag TCP_CONG_WANTS_CE_EVENTS
  • 53d2e7c net-tcp_bbr: v2: adjust skb tx.in_flight upon split in tcp_fragment()
  • db76975 net-tcp_bbr: v2: adjust skb tx.in_flight upon merge in tcp_shifted_skb()
  • c66376d net-tcp_bbr: v2: introduce ca_ops->skb_marked_lost() CC module callback API
  • fb0442a net-tcp_bbr: v2: export FLAG_ECE in rate_sample.is_ece
  • 13bc081 net-tcp_bbr: v2: count packets lost over TCP rate sampling interval
  • d29c16b net-tcp_bbr: v2: snapshot packets in flight at transmit time and pass in rate_sample
  • c8b92e2 net-tcp_bbr: v2: shrink delivered_mstamp, first_tx_mstamp to u32 to free up 8 bytes
  • f7beb6d net-tcp_bbr: broaden app-limited rate sample detection
  • aa588c4 ZEN: dm-crypt: Disable workqueues for crypto ops
  • 70796a7 ZEN: input/evdev: Use call_rcu when detaching client
  • d20e374 drivers: initialize ata before graphics
  • 06bea82 locking: rwsem: spin faster
  • 9308286 firmware: Enable stateless firmware loading
  • 0d74190 sched/wait: Do accept() in LIFO order for cache efficiency
  • 15f91ff XANMOD: Makefile: Move ARM and x86 instruction set selection to kernel-wide build
  • 595aad6 x86/kconfig: more uarches for kernel 6.8-rc4+
  • eb42d6c XANMOD: scripts/setlocalversion: Move localversion* files to the end
  • bea9f2e XANMOD: scripts/setlocalversion: remove "+" tag for git repo short version
  • 0006147 XANMOD: lib/kconfig.debug: disable default SYMBOLIC_ERRNAME and DEBUG_BUGVERBOSE
  • f41037c XANMOD: cpufreq: tunes ondemand and conservative governor for performance
  • 8b42012 XANMOD: sched/autogroup: Add kernel parameter and config option to enable/disable autogroup feature by default
  • 73df371 XANMOD: mm/vmscan: Set minimum amount of swapping
  • eb3f355 XANMOD: mm: Raise max_map_count default value
  • 53a8dc8 XANMOD: dcache: cache_pressure = 50 decreases the rate at which VFS caches are reclaimed
  • 1637fbf XANMOD: kconfig: add 500Hz timer interrupt kernel config option
  • 2780880 XANMOD: blk-wbt: Set wbt_default_latency_nsec() to 2msec
  • 08580ad XANMOD: block: Set rq_affinity to force complete I/O requests on same CPU
  • f4b45e0 XANMOD: block/mq-deadline: Disable front_merges by default
  • 9d6ba82 XANMOD: block/mq-deadline: Increase write priority to improve responsiveness
  • 0734195 XANMOD: sched: Add yield_type sysctl to reduce or disable sched_yield
  • e980052 XANMOD: fair: Set scheduler tunable latencies to unscaled
  • 867a311 kbuild: Remove GCC minimal function alignment
  • 2a949c8 XANMOD: kbuild: Add GCC SMS-based modulo scheduling flags
  • 05334b1 XANMOD: x86/build: Add more CFLAGS optimizations
  • 3ebc1fd XANMOD: x86/build: Prevent generating avx2 and avx512 floating-point code
  • 98f7e32 Linux 6.11

Xanmod

Homepage
Download Linux 6.11.0-xanmod1 source from GitHub