Debian 10250 Published by

A new XanMod Linux Kernel based on the latest Linux Kernel 5.13 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-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

Linux 5.13.0-xanmod1

  • 60fc05c Linux 5.13.0-xanmod1
  • a543c78 futex2: Add sysfs entry for syscall numbers
  • cda39e4 kernel: Enable waitpid() for futex2
  • ea28e42 perf bench: Add futex2 benchmark tests
  • b210ef8 selftests: futex2: Add requeue test
  • 89340f2 selftests: futex2: Add waitv test
  • ccd8ae7 selftests: futex2: Add wouldblock test
  • 5ba67bd selftests: futex2: Add timeout test
  • 96e0a14 selftests: futex2: Add wake/wait test
  • 641c681 docs: locking: futex2: Add documentation
  • f156016 futex2: Add compatibility entry point for x86_x32 ABI
  • 39b86f9 futex2: Implement requeue operation
  • 59c86f9 futex2: Implement vectorized wait
  • b5384dd futex2: Add support for shared futexes
  • 4f95b45 futex2: Implement wait and wake functions
  • 74c1627 MAINTAINERS: Add a new entry for the Brute LSM
  • 9f7c258 Documentation: Add documentation for the Brute LSM
  • 6879907 selftests/brute: Add tests for the Brute LSM
  • 1efb7f3 security/brute: Notify to userspace "task killed"
  • ae4be95 security/brute: Mitigate a brute force attack
  • f60567c security/brute: Detect a brute force attack
  • 2d334e7 security/brute: Define a LSM and add sysctl attributes
  • 6542176 security: Add LSM hook at the point where a task gets a fatal signal
  • 3067105 fs/ntfs3: Fix unsupported flags by clang ( #146)
  • 88e07a5 fs/ntfs3: Add MAINTAINERS
  • 7c9d02b fs/ntfs3: Add NTFS3 in fs/Kconfig and fs/Makefile
  • b89232d fs/ntfs3: Add Kconfig, Makefile and doc
  • 266408f fs/ntfs3: Add NTFS journal
  • af78fb4 fs/ntfs3: Add compression
  • e52b064 fs/ntfs3: Add attrib operations
  • 2eca3e5 fs/ntfs3: Add file operations and implementation
  • 885829d fs/ntfs3: Add bitmap
  • 0737d42 fs/ntfs3: Add initialization of super block
  • 77a12f7 fs/ntfs3: Add headers and misc files
  • c3a3081 mm/vmscan: add sysctl knobs for protecting clean cache
  • 13254ef mm: multigenerational lru: documentation
  • 7585161 mm: multigenerational lru: Kconfig
  • 5f940f6 mm: multigenerational lru: user interface
  • 48f06a6 mm: multigenerational lru: eviction
  • 2f9e3a8 mm: multigenerational lru: aging
  • f537af6 mm: multigenerational lru: mm_struct list
  • 6726876 mm: multigenerational lru: activation
  • 7c0e13b mm: multigenerational lru: groundwork
  • d4b7b40 mm/workingset.c: refactor pack_shadow() and unpack_shadow()
  • 1a7d050 mm/vmscan.c: refactor shrink_node()
  • 1ed1d52 mm, x86: support the access bit on non-leaf PMD entries
  • ca9c490 include/linux/cgroup.h: export cgroup_mutex
  • f65854f include/linux/nodemask.h: define next_memory_node() if !CONFIG_NUMA
  • f6a5ac2 include/linux/memcontrol.h: do not warn in page_memcg_rcu() if !CONFIG_MEMCG
  • 32cbb00 x86/kconfig: more uarches for kernel 5.8+
  • e0b3974 init: wait for partition and retry scan
  • 0982783 drivers: initialize ata before graphics
  • fe8e758 locking: rwsem: spin faster
  • 22a10a4 firmware: Enable stateless firmware loading
  • bbf1b81 intel_rapl: Silence rapl trace debug
  • 2fbd4c7 SAUCE: binder: give binder_alloc its own debug mask file
  • 90709f2 SAUCE: binder: turn into module
  • 4422e94 SAUCE: ashmem: turn into module
  • a217900 sysctl: add sysctl to disallow unprivileged CLONE_NEWUSER by default
  • 7e6cf37 pci: Enable overrides for missing ACS capabilities
  • 26424c5 net-tcp_bbr: v2: don't assume prior_cwnd was set entering CA_Loss
  • fe92fc6 net-tcp_bbr: v2: remove cycle_rand parameter that is unused in BBRv2
  • cb1802b net-tcp_bbr: v2: remove field bw_rtts that is unused in BBRv2
  • 95c333a net-tcp_bbr: v2: remove unnecessary rs.delivered_ce logic upon loss
  • 6d1fea1 net-tcp_bbr: v2: BBRv2 ("bbr2") congestion control for Linux TCP
  • 18fc2c8 net-tcp: add fast_ack_mode=1: skip rwin check in tcp_fast_ack_mode__tcp_ack_snd_check()
  • 3feef54 net-tcp: re-generalize TSO sizing in TCP CC module API
  • 5d925d3 net-tcp: add new ca opts flag TCP_CONG_WANTS_CE_EVENTS
  • 0d84776 net-tcp_bbr: v2: set tx.in_flight for skbs in repair write queue
  • 3556006 net-tcp_bbr: v2: adjust skb tx.in_flight upon split in tcp_fragment()
  • 579c6a9 net-tcp_bbr: v2: adjust skb tx.in_flight upon merge in tcp_shifted_skb()
  • 7682178 net-tcp_bbr: v2: factor out tx.in_flight setting into tcp_set_tx_in_flight()
  • 9d5d2ca net-tcp_bbr: v2: introduce ca_ops->skb_marked_lost() CC module callback API
  • 2567ef4 net-tcp_bbr: v2: export FLAG_ECE in rate_sample.is_ece
  • ec58ebd net-tcp_bbr: v2: count packets lost over TCP rate sampling interval
  • 7cda445 net-tcp_bbr: v2: snapshot packets in flight at transmit time and pass in rate_sample
  • 0afe1df net-tcp_bbr: v2: shrink delivered_mstamp, first_tx_mstamp to u32 to free up 8 bytes
  • 0b6885b net-tcp_rate: account for CE marks in rate sample
  • 7ef2681 net-tcp_rate: consolidate inflight tracking approaches in TCP
  • 39b2406 net-tcp_bbr: broaden app-limited rate sample detection
  • af3f13d clockevents, hrtimer: Make hrtimer granularity and minimum hrtimeout configurable in sysctl. Set default granularity to 100us and min timeout to 500us
  • 1e6491a time: Don't use hrtimer overlay when pm_freezing since some drivers still don't correctly use freezable timeouts.
  • c885e05 hrtimer: Replace all calls to schedule_timeout_uninterruptible of potentially under 50ms to use schedule_msec_hrtimeout_uninterruptible
  • 566dae0 hrtimer: Replace all calls to schedule_timeout_interruptible of potentially under 50ms to use schedule_msec_hrtimeout_interruptible.
  • cdc128e hrtimer: Replace all schedule timeout(1) with schedule_min_hrtimeout()
  • 2362167 timer: Convert msleep to use hrtimers when active.
  • 3805e10 time: Special case calls of schedule_timeout(1) to use the min hrtimeout of 1ms, working around low Hz resolutions.
  • 014af16 hrtimer: Create highres timeout variants of schedule_timeout functions.
  • 83d8887 XANMOD: fair: Remove all energy efficiency functions
  • 6e7b703 XANMOD: Makefile: Turn off loop vectorization for GCC -O3 optimization level
  • 34c89a0 XANMOD: init/Kconfig: Enable -O3 KBUILD_CFLAGS optimization for all architectures
  • aa8e8f2 XANMOD: lib/kconfig.debug: disable default CONFIG_SYMBOLIC_ERRNAME and CONFIG_DEBUG_BUGVERBOSE
  • 3f92fd7 XANMOD: scripts: disable the localversion "+" tag of a git repo
  • eed16a1 XANMOD: cpufreq: tunes ondemand and conservative governor for performance
  • 4c03c7b XANMOD: mm/vmscan: vm_swappiness = 30 decreases the amount of swapping
  • 5c255f6 XANMOD: sched/autogroup: Add kernel parameter and config option to enable/disable autogroup feature by default
  • 0d114ea XANMOD: dcache: cache_pressure = 50 decreases the rate at which VFS caches are reclaimed
  • 4498440 XANMOD: kconfig: set PREEMPT and RCU_BOOST without delay by default
  • ab3a0ab XANMOD: kconfig: add 500Hz timer interrupt kernel config option
  • 149a5b5 XANMOD: block: set rq_affinity to force full multithreading I/O requests
  • 3a070a8 XANMOD: block, bfq: change BLK_DEV_ZONED depends to IOSCHED_BFQ
  • 72f33c3 XANMOD: elevator: set default scheduler to bfq for blk-mq
  • 62fb987 Linux 5.13
Xanmod

Homepage
Download Linux 5.13.0-xanmod1 source from GitHub