An updated XanMod Linux Kernel based on  Linux Kernel 5.14.8 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 5.14.8-xanmod1

• 12d0d9b Linux 5.14.8-xanmod1
• b772e1d Merge tag 'v5.14.8' into 5.14
• c34892e Linux 5.14.8
• 1236431 drm/nouveau/nvkm: Replace -ENOSYS with -ENODEV
• bef2b32 selinux,smack: fix subjective/objective credential use mixups
• dcd45a0 io_uring: fix off-by-one in BUILD_BUG_ON check of __REQ_F_LAST_BIT
• d1217e4 cifs: properly invalidate cached root handle when closing it
• cacfce7 sched/idle: Make the idle timer expire in hard interrupt context
• affd236 rtc: rx8010: select REGMAP_I2C
• 4638425 blk-mq: allow 4x BLK_MAX_REQUEST_COUNT at blk_plug for multiple_queues
• a3330c1 blk-throttle: fix UAF by deleteing timer in blk_throtl_exit()
• 2ab96bf block: genhd: don't call blkdev_show() with major_names_lock held
• e2860e2 nvmet: fixup buffer overrun in nvmet_subsys_attr_serial()
• da66431 pwm: stm32-lp: Don't modify HW state in .remove() callback
• 2c92f9e pwm: rockchip: Don't modify HW state in .remove() callback
• f53bd7f pwm: img: Don't modify HW state in .remove() callback
• ddd8601 habanalabs: cannot sleep while holding spinlock
• f621eee habanalabs: add "in device creation" status
• 836c080 habanalabs: fix mmu node address resolution in debugfs
• 46d712b habanalabs: add validity check for event ID received from F/W
• 350b2f2 drm/amdgpu: fix fdinfo race with process exit
• 25b4e51 drm/amd/display: Fix memory leak reported by coverity
• 6826456 drm/amdgpu: Fixes to returning VBIOS RAS EEPROM address
• d5b10c0 habanalabs: fix nullifying of destroyed mmu pgt pool
• d51100f thermal/drivers/rcar_gen3_thermal: Store TSC id as unsigned int
• 0ea5f80 nilfs2: fix memory leak in nilfs_sysfs_delete_snapshot_group
• 7797daf nilfs2: fix memory leak in nilfs_sysfs_create_snapshot_group
• 6e17978 nilfs2: fix memory leak in nilfs_sysfs_delete_##name##_group
• 90b8f51 nilfs2: fix memory leak in nilfs_sysfs_create_##name##_group
• e005476 nilfs2: fix NULL pointer in nilfs_##name##_attr_release
• 255c3bf nilfs2: fix memory leak in nilfs_sysfs_create_device_group
• 0e78f3d btrfs: fix lockdep warning while mounting sprout fs
• ebed7d8 btrfs: delay blkdev_put until after the device remove
• 13d4c38 btrfs: update the bdev time directly when closing
• e0f8639 s390/unwind: use current_frame_address() to unwind current task
• 31db9b1 ceph: lockdep annotations for try_nonblocking_invalidate
• 6ca3781 ceph: remove the capsnaps when removing caps
• 8e46ecc ceph: request Fw caps before updating the mtime in ceph_write_iter
• 8e4e080 ceph: fix memory leak on decode error in ceph_handle_caps
• abae6b3 ACPI: PM: s2idle: Run both AMD and Microsoft methods if both are supported
• 417cd31 ASoC: audio-graph: respawn Platform Support
• 0a96c97 s390: add kmemleak annotation in stack_alloc()
• 5c9fc54 dmaengine: xilinx_dma: Set DMA mask for coherent APIs
• 996a433 dmaengine: ioat: depends on !UML
• 964a983 cxl/pci: Introduce cdevm_file_operations
• e921d59 cxl: Move cxl_core to new directory
• 786c11a dmaengine: sprd: Add missing MODULE_DEVICE_TABLE
• 70100a0 dmaengine: idxd: depends on !UML
• 4d74704 riscv: dts: microchip: mpfs-icicle: Fix serial console
• f8d2c2c of: property: Disable fw_devlink DT support for X86
• f7525b4 drm/ttm: Fix a deadlock if the target BO is not idle during swap
• 3a4a126 arm64: mm: limit linear region to 51 bits for KVM in nVHE mode
• 4ca6014 iommu/vt-d: Fix a deadlock in intel_svm_drain_prq()
• cab628d iommu/vt-d: Fix PASID leak in intel_svm_unbind_mm()
• f74210e iommu/amd: Relocate GAMSup check to early_enable_iommus
• 2d0bfe7 parisc: Move pci_dev_is_behind_card_dino to where it is used
• 9a9d2fb dma-buf: DMABUF_DEBUG should depend on DMA_SHARED_BUFFER
• 7eb2c86 dma-buf: DMABUF_MOVE_NOTIFY should depend on DMA_SHARED_BUFFER
• 0a1b862 drivers: base: cacheinfo: Get rid of DEFINE_SMP_CALL_CACHE_FUNCTION()
• 52cf807 drm/amdgpu: Disable PCIE_DPM on Intel RKL Platform
• 654b40f thermal/core: Fix thermal_cooling_device_register() prototype
• 57df1f7 tracing/boot: Fix to loop on only subkeys
• 59faa78 tools/bootconfig: Fix tracing_on option checking in ftrace2bconf.sh
• bdf3f58 Kconfig.debug: drop selecting non-existing HARDLOCKUP_DETECTOR_ARCH
• 71f9ab9 init: move usermodehelper_enable() to populate_rootfs()
• 4abef9e math: RATIONAL_KUNIT_TEST should depend on RATIONAL instead of selecting it
• 7e68a2b SUNRPC: don't pause on incomplete allocation
• bf55b05 s390/entry: make oklabel within CHKSTG macro local
• 674534e platform/chrome: cros_ec_trace: Fix format warnings
• c3315f6 platform/chrome: sensorhub: Add trace events for sample
• 0e53af9 dmaengine: idxd: clear block on fault flag when clear wq
• ecf3158 dmaengine: idxd: fix abort status check
• 8583436 dmaengine: idxd: fix wq slot allocation index check
• 6c578df dmaengine: idxd: have command status always set
• acf769f dmanegine: idxd: cleanup all device related bits after disabling device
• 81680e8 pwm: mxs: Don't modify HW state in .probe() after the PWM chip was registered
• 1c90a35 pwm: lpc32xx: Don't modify HW state in .probe() after the PWM chip was registered
• ec33d4b ceph: cancel delayed work instead of flushing on mdsc teardown
• 02006fe thermal/drivers/qcom/spmi-adc-tm5: Don't abort probing if a sensor is not used
• 04864f2 PM: sleep: core: Avoid setting power.must_resume to false
• 07906d1 profiling: fix shift-out-of-bounds bugs
• ada62fe nilfs2: use refcount_dec_and_lock() to fix potential UAF
• 154d764 prctl: allow to setup brk for et_dyn executables
• 861006f pwm: ab8500: Fix register offset calculation to not depend on probe order
• bc013a3 9p/trans_virtio: Remove sysfs file on probe failure
• e0e8738 thermal/drivers/exynos: Fix an error code in exynos_tmu_probe()
• 61c87f0 n64cart: fix return value check in n64cart_probe()
• 8843c3d staging: rtl8723bs: fix wpa_set_auth_algs() function
• 24a026e perf tools: Allow build-id with trailing zeros
• 60a830d perf symbol: Look for ImageBase in PE file to compute .text offset
• d4e7c85 perf test: Fix bpf test sample mismatch reporting
• b005ce6 dmaengine: acpi: Avoid comparison GSI with Linux vIRQ
• e0291e6 RDMA/mlx5: Fix xlt_chunk_align calculation
• e00e0ed RDMA/hns: Enable stash feature of HIP09
• 6909fa4 um: virtio_uml: fix memory leak on init failures
• dc25d3b coredump: fix memleak in dump_vma_snapshot()
• 069c288 um: fix stub location calculation
• 5cd412e staging: rtl8192u: Fix bitwise vs logical operator in TranslateRxSignalStuff819xUsb()
• f59fcad console: consume APC, DM, DCS
• fb28e3d PCI: aardvark: Fix reporting CRS value
• 952d4ed PCI: pci-bridge-emul: Add PCIe Root Capabilities Register

Homepage
Download Linux 5.14.8-xanmod1 source from GitHub