An updated XanMod Linux Kernel based on  Linux Kernel 5.14.9 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 5.14.9-xanmod1

• fe2b40e Linux 5.14.9-xanmod1
• 977a7e9 Merge tag 'v5.14.9' into 5.14
• 70248e7 Linux 5.14.9
• f6fceb4 usb: gadget: f_uac2: Populate SS descriptors' wBytesPerInterval
• 007574d usb: gadget: f_uac2: Add missing companion descriptor for feedback EP
• d401d7d nvmet: fix a width vs precision bug in nvmet_subsys_attr_serial_show()
• 958c616 qnx4: work around gcc false positive warning bug
• f67f85e xen/balloon: fix balloon kthread freezing
• 8ea7503 software node: balance refcount for managed software nodes
• 62a2786 USB: serial: cp210x: fix dropped characters with CP2102
• 7b389ef arm64: add MTE supported check to thread switching and syscall entry/exit
• 338db6e irqchip/armada-370-xp: Fix ack/eoi breakage
• 8467f20 thermal/drivers/int340x: Do not set a wrong tcc offset on resume
• fe5eaf1 x86/setup: Call early_reserve_memory() earlier
• 5111b05 EDAC/dmc520: Assign the proper type to dimm->edac_mode
• 845350d EDAC/synopsys: Fix wrong value type assignment for edac_mode
• ef8eac0 Revert drm/vc4 hdmi runtime PM changes
• 8aef50b libperf evsel: Make use of FD robust.
• 5f35f78 spi: Fix tegra20 build with CONFIG_PM=n
• 9367a8f net: 6pack: Fix tx timeout and slot time
• 501b0fa alpha: Declare virt_to_phys and virt_to_bus parameter as pointer to volatile
• 95d6bf1 arm64: Mark __stack_chk_guard as __ro_after_init
• 28f2eee amd/display: enable panel orientation quirks
• fca67e1 drm/amd/display: Link training retry fix for abort case
• 7643868 drm/amd/display: Fix unstable HPCP compliance on Chrome Barcelo
• b58ffd2 drm/amdkfd: make needs_pcie_atomics FW-version dependent
• 47c6e79 parisc: Use absolute_pointer() to define PAGE0
• 01452e3 qnx4: avoid stringop-overread errors
• dd24b4b sparc: avoid stringop-overread errors
• 32f9316 net: i825xx: Use absolute_pointer for memcpy from fixed memory location
• eb13691 compiler.h: Introduce absolute_pointer macro
• 7c2c69e blk-cgroup: fix UAF by grabbing blkcg lock before destroying blkg pd
• a5067ab block: flush the integrity workqueue in blk_integrity_unregister
• 282aed1 block: check if a profile is actually registered in blk_integrity_unregister
• e7f8b50 drm/ttm: fix type mismatch error on sparc64
• 2b60676 amd/display: downgrade validation failure log level
• 5780971 sparc32: page align size in arch_dma_alloc
• d268a18 nvme-rdma: destroy cm id before destroy qp to avoid use after free
• e0b9644 nvme-multipath: fix ANA state updates when a namespace is not present
• 922fd5b xen/balloon: use a kernel thread instead a workqueue
• b5fe7cd bpf: Add oversize check before call kvcalloc()
• ded7d5c cpufreq: intel_pstate: Override parameters if HWP forced by BIOS
• de4afec dma-debug: prevent an error message from causing runtime problems
• 4a23ae2 ipv6: delay fib6_sernum increase in fib6_add
• 88ad6f3 m68k: Double cast io functions to unsigned long
• 5cee359 blk-mq: avoid to iterate over stale request
• cde9ad7 net: stmmac: allow CSR clock of 300MHz
• 4ad6f2d net: macb: fix use after free on rmmod
• b7646fa net: phylink: Update SFP selected interface on advertising changes
• a5f8e86 blktrace: Fix uaf in blk_trace access after removing by sysfs
• 2f6caa5 io_uring: don't punt files update to io-wq unconditionally
• 05ac8e4 io_uring: put provided buffer meta data under memcg accounting
• 24d38dc io_uring: fix missing set of EPOLLONESHOT for CQ ring overflow
• 4e81f12 io_uring: fix race between poll completion and cancel_hash insertion
• 6724710 x86/asm: Fix SETZ size enqcmds() build failure
• a46d5e3 md: fix a lock order reversal in md_alloc
• e0c1c2e irqchip/gic-v3-its: Fix potential VPE leak on error
• 5468867 irqchip/goldfish-pic: Select GENERIC_IRQ_CHIP to fix build
• 329cb72 scsi: lpfc: Use correct scnprintf() limit
• f56250a scsi: qla2xxx: Restore initiator in dual mode
• e607120 scsi: ufs: core: Unbreak the reset handler
• 1d65bff scsi: ufs: Retry aborted SCSI commands instead of completing these successfully
• 4368d7a scsi: ufs: Revert "Utilize Transfer Request List Completion Notification Register"
• 1fc9119 scsi: sd_zbc: Support disks with more than 2**32 logical blocks
• 309c4b0 cifs: fix a sign extension bug
• a5024c7 thermal/core: Potential buffer overflow in thermal_build_list_of_policies()
• ed1e025 nvme: keep ctrl->namespaces ordered
• 08a14a6 nvme-tcp: fix incorrect h2cdata pdu offset accounting
• 8cd1ae3 x86/fault: Fix wrong signal when vsyscall fails with pkey
• bfacc1d fpga: machxo2-spi: Fix missing error code in machxo2_write_complete()
• 674fd6a fpga: machxo2-spi: Return an error on failure
• 0ee0fbc tty: synclink_gt: rename a conflicting function name
• 8cbf9ac scsi: target: Fix the pgr/alua_support_store functions
• 0c1b2c0 scsi: iscsi: Adjust iface sysfs attr detection
• c7da178 drm/amdkfd: fix dma mapping leaking warning
• bb8078d drm/amdkfd: map SVM range with correct access permission
• 80ec71b atlantic: Fix issue in the pm resume flow.
• d0a3a06 net/mlx4_en: Don't allow aRFS for encapsulated packets
• 6909a55 net: mscc: ocelot: fix forwarding from BLOCKING ports remaining enabled
• 6081c82 net: ethernet: mtk_eth_soc: avoid creating duplicate offload entries
• 339440b nfc: st-nci: Add SPI ID matching DT compatible
• 741760f nexthop: Fix memory leaks in nexthop notification chain listeners
• f8ff625 mptcp: ensure tx skbs always have the MPTCP ext
• 3d6374d qed: rdma - don't wait for resources under hw error recovery flow
• 18eab89 gpio: uniphier: Fix void functions to remove return value
• 26c204f gpiolib: acpi: Make set-debounce-timeout failures non fatal
• 9b00fb1 s390/qeth: fix NULL deref in qeth_clear_working_pool_list()
• b9fc4ed spi: Revert modalias changes
• 9839bb2 kselftest/arm64: signal: Skip tests if required features are missing
• 6407eb6 kselftest/arm64: signal: Add SVE to the set of features we can check for
• d12feda platform/x86: dell: fix DELL_WMI_PRIVACY dependencies & build error
• 5e95328 net: dsa: realtek: register the MDIO bus under devres
• 880ee7c net: dsa: don't allocate the slave_mii_bus using devres
• e15b700 net: dsa: fix dsa_tree_setup error path
• 79816b2 net/smc: fix 'workqueue leaked lock' in smc_conn_abort_work
• edb96e6 net/smc: add missing error check in smc_clc_prfx_set()
• 1791e8e net: hns3: fix a return value error in hclge_get_reset_status()
• 18d1e07 net: hns3: check vlan id before using it
• 3d4b460 net: hns3: check queue id range before using
• fa6126e net: hns3: fix misuse vf id and vport id in some logs
• faf83d5 net: hns3: fix inconsistent vf id print
• 6a627cc net: hns3: fix change RSS 'hfunc' ineffective issue
• fab9a16 bnxt_en: Fix TX timeout when TX ring size is set to the smallest
• ce6c8a9 napi: fix race inside napi_enable
• d944807 net: bgmac-bcma: handle deferred probe error due to mac-address
• 1e3d85f net: dsa: tear down devlink port regions when tearing down the devlink port on error
• 135c541 enetc: Fix uninitialized struct dim_sample field usage
• 6f329d9 enetc: Fix illegal access when reading affinity_hint
• f020bb6 virtio-net: fix pages leaking when building skb in big mode
• 9a5ba85 NLM: Fix svcxdr_encode_owner()
• 2f95dd8 regulator: max14577: Revert "regulator: max14577: Add proper module aliases strings"
• 50cb50a platform/x86/intel: punit_ipc: Drop wrong use of ACPI_PTR()
• fa3aac2 afs: Fix updating of i_blocks on file/dir extension
• e66fc46 afs: Fix corruption in reads at fpos 2G-4G from an OpenAFS server
• 95671c6 afs: Fix incorrect triggering of sillyrename on 3rd-party invalidation
• d130b5f afs: Fix page leak
• 7f797c7 regulator: qcom-rpmh-regulator: fix pm8009-1 ldo7 resource name
• f217b6c comedi: Fix memory leak in compat_insnlist()
• b032354 arm64: Mitigate MTE issues with str{n}cmp()
• 0375ec7 arm64: Restore forced disabling of KPTI on ThunderX
• eda7a02 platform/x86: amd-pmc: Increase the response register timeout
• 449d604 net: hso: fix muxed tty registration
• 06a18e6 drm/amd/pm: Update intermediate power state for SI
• d7ee7cc scsi: sd_zbc: Ensure buffer size is aligned to SECTOR_SIZE
• 2190769 serial: mvebu-uart: fix driver's tx_empty callback
• 590e6c4 serial: 8250: 8250_omap: Fix RX_LVL register offset
• 807ac76 xhci: Set HCD flag to defer primary roothub registration
• f8f9134 btrfs: prevent __btrfs_dump_space_info() to underflow its free space
• e9d32ec nexthop: Fix division by zero while replacing a resilient group
• e1854b6 erofs: fix up erofs_lookup tracepoint
• 336dabf KVM: rseq: Update rseq when processing NOTIFY_RESUME on xfer to KVM guest
• 9fc198f mcb: fix error handling in mcb_alloc_bus()
• 9dfda47 misc: genwqe: Fixes DMA mask setting
• 3e9a411 misc: bcm-vk: fix tty registration race
• e50c102 USB: serial: option: add device id for Foxconn T99W265
• 924956f USB: serial: option: remove duplicate USB device ID
• 4bb92ef USB: serial: option: add Telit LN920 compositions
• 8db009c USB: serial: mos7840: remove duplicated 0xac24 device ID
• e9ce199 usb: core: hcd: Add support for deferring roothub registration
• 0fff3d5 usb: cdns3: fix race condition before setting doorbell
• 41d5aff usb: dwc3: core: balance phy init and exit
• c9f0252 Re-enable UAS for LaCie Rugged USB3-FW with fk quirk
• b557040 usb: isp1760: do not sleep in field register poll
• 9872ff6 staging: greybus: uart: fix tty use after free
• b0e001a binder: fix freeze race
• b95483d binder: make sure fd closes complete
• 63239b0 Revert "USB: bcma: Add a check for devm_gpiod_get"
• af5947c USB: cdc-acm: fix minor-number release
• 166f843 USB: serial: cp210x: add ID for GW Instek GDM-834x Digital Multimeter
• 5a377e1 usb-storage: Add quirk for ScanLogic SL11R-IDE older than 2.6c
• 842f8bd xen/x86: fix PV trap handling on secondary processors
• 9b73af4 cifs: fix incorrect check for null pointer in header_assemble
• 9f6c7af cifs: Fix soft lockup during fsstress
• 6344bc6 cifs: Not to defer close on file when lock is set
• 14582e4 usb: musb: tusb6010: uninitialized data in tusb_fifo_write_unaligned()
• 11453cc usb: dwc2: gadget: Fix ISOC transfer complete handling for DDMA
• eba5985 usb: dwc2: gadget: Fix ISOC flow for BDMA and Slave
• 40fe835 usb: gadget: u_audio: EP-OUT bInterval in fback frequency
• 2951779 usb: gadget: r8a66597: fix a loop in set_feature()
• 9c93c40 mm: fix uninitialized use in overcommit_policy_handler
• a7032c9 mm/debug: sync up MR_CONTIG_RANGE and MR_LONGTERM_PIN
• 9ad0f5c ocfs2: drop acl cache for directories too
• 0414a52 mm, hwpoison: add is_free_buddy_page() in HWPoisonHandlable()

Homepage
Download Linux 5.14.9-xanmod1 source from GitHub