A new XanMod Linux Kernel based on Linux Kernel 5.9.12 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 [5.8], linux-xanmod-edge [5.8], linux-xanmod-lts [5.4], linux-xanmod-rt-edge [5.6-rt] and linux-xanmod-rt [5.4-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 5.9.12-xanmod1

•     82ef34d Linux 5.9.12-xanmod1
•     5ae0556 Merge tag 'v5.9.12' into 5.9
•     89bb11d Linux 5.9.12
•     e411ba9 drm/amdgpu: add rlc iram and dram firmware support
•     c39c19b x86/resctrl: Add necessary kernfs_put() calls to prevent refcount leak
•     2510f2f x86/resctrl: Remove superfluous kernfs_get() calls to prevent refcount leak
•     63ad714 x86/speculation: Fix prctl() when spectre_v2_user={seccomp,prctl},ibpb
•     c30b19a x86/mce: Do not overwrite no_way_out if mce_end() fails
•     4e184c9 irqchip/exiu: Fix the index of fwspec for IRQ type
•     1617bb1 usb: gadget: Fix memleak in gadgetfs_fill_super
•     444dd51 USB: quirks: Add USB_QUIRK_DISCONNECT_SUSPEND quirk for Lenovo A630Z TIO built-in usb-audio card
•     df373b6 USB: core: Fix regression in Hercules audio card
•     bb92cf0 usb: gadget: f_midi: Fix memleak in f_midi_alloc
•     b09dd77 USB: core: Change %pK for __user pointers to %px
•     794451c spi: bcm2835aux: Restore err assignment in bcm2835aux_spi_probe
•     9d05153 perf probe: Fix to die_entrypc() returns error correctly
•     cf15299 perf stat: Use proper cpu for shadow stats
•     fe49e7c perf record: Synthesize cgroup events only if needed
•     a6ac2ca can: m_can: fix nominal bitiming tseg2 min for version >= 3.1
•     b34b36a can: m_can: m_can_open(): remove IRQF_TRIGGER_FALLING from request_threaded_irq()'s flags
•     a84974f RDMA/hns: Bugfix for memory window mtpt configuration
•     c16cfa4 RDMA/hns: Fix retry_cnt and rnr_cnt when querying QP
•     df46336 RDMA/hns: Fix wrong field of SRQ number the device supports
•     bd12eb8 platform/x86: toshiba_acpi: Fix the wrong variable assignment
•     83bec12 platform/x86: thinkpad_acpi: Send tablet mode switch at wakeup time
•     9019898 can: gs_usb: fix endianess problem with candleLight firmware
•     32083f0 drm/nouveau: fix relocations applying logic and a double-free
•     9fd7ba6 ptp: clockmatrix: bug fix for idtcm_strverscmp
•     237f1cf enetc: Let the hardware auto-advance the taprio base-time of 0
•     2982883 net: stmmac: fix incorrect merge of patch upstream
•     038c5ea RISC-V: fix barrier() use in
•     b7a80f5 RISC-V: Add missing jump label initialization
•     e13b605 riscv: Explicitly specify the build id style in vDSO Makefile again
•     4e6cdbe efi: EFI_EARLYCON should depend on EFI
•     749f3d3 efivarfs: revert "fix memory leak in efivarfs_create()"
•     a7783b0 efi/efivars: Set generic ops before loading SSDT
•     5d79106 arm64: tegra: Wrong AON HSP reg property size
•     3d0f2fa x86/tboot: Don't disable swiotlb when iommu is forced on
•     68a9159 optee: add writeback to valid memory type
•     0faa4f7 ibmvnic: enhance resetting status check during module exit
•     97864a2 ibmvnic: fix NULL pointer dereference in ibmvic_reset_crq
•     ef9688c ibmvnic: fix NULL pointer dereference in reset_sub_crq_queues
•     aafcf7a net: ena: fix packet's addresses for rx_offset feature
•     9b58e35 net: ena: set initial DMA width to avoid intel iommu issue
•     2f7b0f3 net: ena: handle bad request id in ena_netdev
•     b7fc59c nfc: s3fwrn5: use signed integer for parsing GPIO numbers
•     1144622 aquantia: Remove the build_skb path
•     3407e48 io_uring: fix shift-out-of-bounds when round up cq size
•     0fbd464 spi: imx: fix the unbalanced spi runtime pm management
•     26c42be firmware: xilinx: Fix SD DLL node reset issue
•     b210f24 i40e: Fix removing driver while bare-metal VFs pass traffic
•     bf8da8d IB/mthca: fix return value of error branch in mthca_init_cq()
•     a63d225 iommu: Check return of __iommu_attach_device()
•     a14257e powerpc/64s: Fix allnoconfig build since uaccess flush
•     3274b5b ibmvnic: notify peers when failover and migration happen
•     f937305 ibmvnic: fix call_netdevice_notifiers in do_reset
•     58a1a33 bonding: wait for sysfs kobject destruction before freeing struct slave
•     3380224 drm/mediatek: dsi: Modify horizontal front/back porch byte formula
•     9f7adaa s390/qeth: fix tear down of async TX buffers
•     822529e s390/qeth: fix af_iucv notification race
•     35eafcf s390/qeth: make af_iucv TX notification call more robust
•     9ad73b2 dpaa2-eth: select XGMAC_MDIO for MDIO bus support
•     db7fdde cxgb4: fix the panic caused by non smac rewrite
•     788d34d block/keyslot-manager: prevent crash when num_slots=1
•     4555f3d bnxt_en: Release PCI regions when DMA mask setup fails during probe.
•     8dcd609 video: hyperv_fb: Fix the cache type when mapping the VRAM
•     5405ac6 bnxt_en: fix error return code in bnxt_init_board()
•     2f89602 bnxt_en: fix error return code in bnxt_init_one()
•     5136d24 scsi: ufs: Fix race between shutdown and runtime resume flow
•     dfff832 ARM: dts: dra76x: m_can: fix order of clocks
•     5da5a1a bus: ti-sysc: suppress err msg for timers used as clockevent/source
•     89aada6 arch: pgtable: define MAX_POSSIBLE_PHYSMEM_BITS where needed
•     2f23110 phy: qualcomm: Fix 28 nm Hi-Speed USB PHY OF dependency
•     abd86de phy: qualcomm: usb: Fix SuperSpeed PHY OF dependency
•     9d9bc23 usb: cdns3: gadget: calculate TD_SIZE based on TD
•     f43e7b4 usb: cdns3: gadget: fix some endian issues
•     3b06505 batman-adv: set .owner to THIS_MODULE
•     b61c6de btrfs: qgroup: don't commit transaction when we already hold the handle
•     f37031a KVM: s390: remove diag318 reset code
•     6169b35 KVM: s390: pv: Mark mm as protected after the set secure parameters and improve cleanup
•     4ea1ac2 iwlwifi: mvm: write queue_sync_state only for sync
•     1c82d36 iwlwifi: mvm: properly cancel a session protection for P2P
•     c04cb3a iwlwifi: mvm: use the HOT_SPOT_CMD to cancel an AUX ROC
•     c8c20c0 phy: tegra: xusb: Fix dangling pointer on probe failure
•     0e19fe5 ARM: OMAP2+: Manage MPU state properly for omap_enter_idle_coupled()
•     a22c73e bus: ti-sysc: Fix bogus resetdone warning on enable for cpsw
•     e79c3d9 bus: ti-sysc: Fix reset status check for modules with quirks
•     9b1f3ab net: dsa: mv88e6xxx: Wait for EEPROM done after HW reset
•     f6cbd74 x86/dumpstack: Do not try to access user space code of other tasks
•     4381c76 xtensa: uaccess: Add missing __user to strncpy_from_user() prototype
•     30ffb6a perf/x86: fix sysfs type mismatches
•     6e82639 lockdep: Put graph lock/unlock under lock_recursion protection
•     2c0cd3c scsi: target: iscsi: Fix cmd abort fabric stop race
•     464eade scsi: libiscsi: Fix NOP race condition
•     d3bda78 dmaengine: pl330: _prep_dma_memcpy: Fix wrong burst size
•     977865d cpuidle: tegra: Annotate tegra_pm_set_cpu_in_lp2() with RCU_NONIDLE
•     8180cdb vhost scsi: fix cmd completion race
•     517ce96 vhost scsi: alloc cmds per vq instead of session
•     9876dea vhost: add helper to check if a vq has been setup
•     f3061e4 vdpasim: fix "mac_pton" undefined error
•     32944d8 net: stmmac: dwmac_lib: enlarge dma reset timeout
•     2da8df0 io_uring: handle -EOPNOTSUPP on path resolution
•     55a3b1a nvme: free sq/cq dbbuf pointers when dbbuf set fails
•     ba8522f proc: don't allow async path resolution of /proc/self components
•     bded018 HID: Add Logitech Dinovo Edge battery quirk
•     b1977be HID: logitech-hidpp: Add HIDPP_CONSUMER_VENDOR_KEYS quirk for the Dinovo Edge
•     06b0f7e kunit: fix display of failed expectations for strings
•     3d1a337 x86/xen: don't unbind uninitialized lock_kicker_irq
•     8ed4372 dmaengine: xilinx_dma: use readl_poll_timeout_atomic variant
•     81bf319 HID: add HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE for Gamevice devices
•     d817fbe staging: ralink-gdma: fix kconfig dependency bug for DMA_RALINK
•     0af78d1 HID: hid-sensor-hub: Fix issue with devices with no report ID
•     ed06c39 Input: i8042 - allow insmod to succeed on devices without an i8042 controller
•     97a6be7 HID: add support for Sega Saturn
•     8db8588 HID: cypress: Support Varmilo Keyboards' media hotkeys
•     bf64741 HID: ite: Replace ABS_MISC 120/121 events with touchpad on/off keypresses
•     e38bc67 HID: uclogic: Add ID for Trust Flex Design Tablet
•     b7779ee drm/amd/display: Avoid HDCP initialization in devices without output
•     a68122a drm/amd/amdgpu: fix null pointer in runtime pm
•     01144c0 drm/amdgpu: update golden setting for sienna_cichlid
•     bf31bff drm/amdgpu: fix a page fault
•     04c870f arm64: pgtable: Ensure dirty bit is preserved across pte_wrprotect()
•     1264822 arm64: pgtable: Fix pte_accessible()
•     81fda45 arm64: tegra: Fix USB_VBUS_EN0 regulator on Jetson TX1
•     eb576c4 arm64: tegra: Correct the UART for Jetson Xavier NX
•     19d2c29 trace: fix potenial dangerous pointer
•     28072a5 io_uring: fix ITER_BVEC check
•     51dbeda drm/amdgpu: fix SI UVD firmware validate resume fail
•     a38a999 firmware: xilinx: Use hash-table for api feature check
•     5f01565 iommu/vt-d: Don't read VCCAP register unless it exists
•     94e5742 KVM: x86: Fix split-irqchip vs interrupt injection window request
•     852bdfb KVM: x86: handle !lapic_in_kernel case in kvm_cpu_*_extint
•     c8a286a KVM: arm64: vgic-v3: Drop the reporting of GICR_TYPER.Last for userspace
•     5acf7d6 KVM: PPC: Book3S HV: XIVE: Fix possible oops when accessing ESB page
•     4897416 powerpc/64s/exception: KVM Fix for host DSI being taken in HPT guest MMU context
•     7ef4afa powerpc/64s: Fix KVM system reset handling when CONFIG_PPC_PSERIES=y
•     08ed7f8 cifs: fix a memleak with modefromsid
•     0760e66 smb3: Handle error case during offload read path
•     fc0caf4 smb3: Avoid Mid pending list corruption
•     403149b smb3: Call cifs reconnect from demultiplex thread
•     3755531 mm: fix VM_BUG_ON(PageTail) and BUG_ON(PageWriteback)
•     ec5c0fc s390: fix fpu restore in entry.S
•     20939c1 rtc: pcf2127: fix a bug when not specify interrupts property
•     9608fee btrfs: fix lockdep splat when reading qgroup config on mount
•     4f23f75 btrfs: don't access possibly stale fs_info data for printing duplicate device
•     923ca7f btrfs: tree-checker: add missing returns after data_ref alignment checks
•     ce4ae41 btrfs: tree-checker: add missing return after error in root_item
•     2d2cb77 btrfs: fix missing delalloc new bit for new delalloc ranges
•     d1f1703 RDMA/i40iw: Address an mmap handler exploit in i40iw
•     5732f83 IB/hfi1: Ensure correct mm is used at all times
•     f36abf8 ipv4: use IS_ENABLED instead of ifdef
•     1213b04 spi: bcm2835: Fix use-after-free on unbind
•     06b1466 spi: bcm-qspi: Fix use-after-free on unbind
•     62b4ac1 io_uring: order refnode recycling
•     c577296 io_uring: get an active ref_node from files_data

Homepage
Download Linux 5.9.12-xanmod1 source from GitHub