A new XanMod Linux Kernel based on the latest Linux Kernel 5.11.14 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 5.11.14-xanmod1

• e9a4710 Linux 5.11.14-xanmod1
• e8889b5 Revert "iio: adc: adi-axi-adc: add proper Kconfig dependencies"
• d3f7223 Merge tag 'v5.11.14' into 5.11
• dfe7059 Linux 5.11.14
• dfbf744 Revert "net: sched: bump refcount for new action in ACT replace mode"
• ea8895e net: ieee802154: stop dump llsec params for monitors
• 8e22301 net: ieee802154: forbid monitor for del llsec seclevel
• 77c15dd net: ieee802154: forbid monitor for set llsec params
• 7c1f54a net: ieee802154: fix nl802154 del llsec devkey
• bdf8a7c net: ieee802154: fix nl802154 add llsec key
• 0a965b0 net: ieee802154: fix nl802154 del llsec dev
• 2bfa1f1 net: ieee802154: fix nl802154 del llsec key
• baf5e98 net: ieee802154: nl-mac: fix check on panid
• 743c907 net: mac802154: Fix general protection fault
• 37b26be drivers: net: fix memory leak in peak_usb_create_dev
• a495430 drivers: net: fix memory leak in atusb_probe
• a6c699b net: tun: set tun->dev->addr_len during TUNSETLINK processing
• 54436d4 cfg80211: remove WARN_ON() in cfg80211_sme_connect
• ffa1a3c gpiolib: Read "gpio-line-names" from a firmware node
• 73da793 x86/traps: Correct exc_general_protection() and math_error() return paths
• 8c6563a net: sched: bump refcount for new action in ACT replace mode
• b8045fd dt-bindings: net: ethernet-controller: fix typo in NVMEM
• fc1b68f lockdep: Address clang -Wformat warning printing for %hd
• 460505d clk: socfpga: fix iomem pointer cast on 64-bit
• 8fd28ec RAS/CEC: Correct ce_add_elem()'s returned values
• 494727f vdpa/mlx5: Fix wrong use of bit numbers
• d3d06fd vdpa/mlx5: should exclude header length and fcs from mtu
• defb759 RDMA/addr: Be strict with gid size
• 4dc4f3d i40e: Fix parameters in aq_get_phy_register()
• d09c457 drm/vc4: crtc: Reduce PV fifo threshold on hvs4
• 70fae24 RDMA/qedr: Fix kernel panic when trying to access recv_cq
• a9eede9 perf report: Fix wrong LBR block sorting
• bb8af68 RDMA/cxgb4: check for ipv6 address properly while destroying listener
• 16821ab net/mlx5: Fix PBMC register mapping
• 5bc6243 net/mlx5: Fix PPLM register mapping
• 90240cb net/mlx5: Fix placement of log_max_flow_counter
• d2a6cda net/mlx5: Fix HW spec violation configuring uplink
• 8679f4a net: hns3: clear VF down state bit before request link status
• 67f7aba tipc: increment the tmp aead refcnt before attaching it
• 42a4b20 platform/x86: intel-hid: Fix spurious wakeups caused by tablet-mode events during suspend
• 452302b can: mcp251x: fix support for half duplex SPI host controllers
• 868d3fd iwlwifi: fix 11ax disabled bit in the regulatory capability flags
• d66df19 i2c: designware: Adjust bus_freq_hz when refuse high speed mode set
• e93c80d openvswitch: fix send of uninitialized stack memory in ct limit reply
• ba0e8db perf inject: Fix repipe usage
• 721a5fc s390/cpcmd: fix inline assembly register clobbering
• 2f09eec workqueue: Move the position of debug_work_activate() in __queue_work()
• e3561ee clk: fix invalid usage of list cursor in unregister
• 0b4a64f clk: fix invalid usage of list cursor in register
• 63479ae net: macb: restore cmp registers on resume path
• a8c23ab net: cls_api: Fix uninitialised struct field bo->unlocked_driver_cb
• d52f64f ARM: dts: turris-omnia: fix hardware buffer management
• 4e2446f Revert "arm64: dts: marvell: armada-cp110: Switch to per-port SATA interrupts"
• bd1702f drm/msm/disp/dpu1: program 3d_merge only if block is attached
• dbb59f2 drm/msm: a6xx: fix version check for the A650 SQE microcode
• 3b365c0 scsi: ufs: core: Fix wrong Task Tag used in task management request UPIUs
• 4c00f57 scsi: ufs: core: Fix task management request completion timeout
• db63372 mptcp: revert "mptcp: provide subflow aware release function"
• 70ba361 mptcp: forbit mcast-related sockopt on MPTCP sockets
• e55cd17 net: udp: Add support for getsockopt(..., ..., UDP_GRO, ..., ...);
• f369daf drm/msm: Set drvdata to NULL when msm_drm_init() fails
• 1740e07 RDMA/rtrs-clt: Close rtrs client conn before destroying rtrs clt session files
• 3244d3d i40e: Fix display statistics for veb_tc
• 517d0e9 i40e: fix receiving of single packets in xsk zero-copy mode
• 7f0fc46 soc/fsl: qbman: fix conflicting alignment attributes
• 95bafdf xdp: fix xdp_return_frame() kernel BUG throw for page_pool memory model
• 4253a6b net/rds: Fix a use after free in rds_message_map_pages
• 3afc674 net/mlx5e: Guarantee room for XSK wakeup NOP on async ICOSQ
• c896de6 net/mlx5: Don't request more than supported EQs
• acea114 net/mlx5e: Fix ethtool indication of connector type
• ab0b84d net/mlx5: Delete auxiliary bus driver eth-rep first
• 5b8399a net/mlx5e: Fix mapping of ct_label zero
• 16896b4 ASoC: sunxi: sun4i-codec: fill ASoC card owner
• 5c802d8 I2C: JZ4780: Fix bug for Ingenic X1000.
• 7fcd99a net: phy: broadcom: Only advertise EEE for supported modes
• b84de22 nfp: flower: ignore duplicate merge hints from FW
• cd090f3 net: qrtr: Fix memory leak on qrtr_tx_wait failure
• f61307f net/ncsi: Avoid channel_monitor hrtimer deadlock
• 9029e8b ARM: dts: imx6: pbab01: Set vmmc supply for both SD interfaces
• be1aab3 net:tipc: Fix a double free in tipc_sk_mcast_rcv
• 9b46ee6 cxgb4: avoid collecting SGE_QBASE regs during traffic
• 698e563 clk: qcom: camcc: Update the clock ops for the SC7180
• 4fbe8b2 net: dsa: Fix type was not set for devlink port
• 3d7807e gianfar: Handle error code at MAC address change
• aa9d1e5 ethernet: myri10ge: Fix a use after free in myri10ge_sw_tso
• 976b779 mlxsw: spectrum: Fix ECN marking in tunnel decapsulation
• 5325e84 can: uapi: can.h: mark union inside struct can_frame packed
• 84e55cd can: isotp: fix msg_namelen values depending on CAN_REQUIRED_SIZE
• cf9a8a1 can: bcm/raw: fix msg_namelen values depending on CAN_REQUIRED_SIZE
• 5ed4173 xfrm: Provide private skb extensions for segmented and hw offloaded ESP packets
• 2c9d102 arm64: dts: imx8mm/q: Fix pad control of SD1_DATA0
• 917a676 drivers/net/wan/hdlc_fr: Fix a double free in pvc_xmit
• c6fec9c sch_red: fix off-by-one checks in red_check_params()
• 6807582 geneve: do not modify the shared tunnel info when PMTU triggers an ICMP reply
• 29a6eaf vxlan: do not modify the shared tunnel info when PMTU triggers an ICMP reply
• a2a1846 amd-xgbe: Update DMA coherency values
• 496cc29 hostfs: fix memory handling in follow_link()
• d18ea65 i40e: Fix kernel oops when i40e driver removes VF's
• abd9ccf i40e: Added Asym_Pause to supported link modes
• eab1127 virtchnl: Fix layout of RSS structures
• ffbb80e xfrm: Fix NULL pointer dereference on policy lookup
• f769063 ASoC: wm8960: Fix wrong bclk and lrclk with pll enabled for some chips
• 0a622b3 ASoC: SOF: Intel: HDA: fix core status verification
• 7ccd73a esp: delete NETIF_F_SCTP_CRC bit from features for esp offload
• fbc15e4 net: xfrm: Localize sequence counter per network namespace
• 8ac165d remoteproc: pru: Fix firmware loading crashes on K3 SoCs
• e602597 ARM: OMAP4: PM: update ROM return address for OSWR and OFF
• 6b19552 ARM: OMAP4: Fix PMIC voltage domains for bionic
• 2ab8c8f regulator: bd9571mwv: Fix AVS and DVFS voltage range
• 5a3611f remoteproc: qcom: pil_info: avoid 64-bit division
• 1d0d9d6 xfrm: Use actual socket sk instead of skb socket for xfrm_output_resume
• 88da40f xfrm: interface: fix ipv4 pmtu check to honor ip header df
• 6c49d84 ice: Recognize 860 as iSCSI port in CEE mode
• 870bac1 ice: Refactor DCB related variables out of the ice_port_info struct
• 50b4b6e net: sched: fix err handler in tcf_action_init()
• 3d5a573 KVM: x86/mmu: preserve pending TLB flush across calls to kvm_tdp_mmu_zap_sp
• 75cf424 KVM: x86/mmu: Don't allow TDP MMU to yield when recovering NX pages
• e924752 KVM: x86/mmu: Ensure TLBs are flushed for TDP MMU during NX zapping
• a71471e KVM: x86/mmu: Ensure TLBs are flushed when yielding during GFN range zap
• 9fa3f2f KVM: x86/mmu: Yield in TDU MMU iter even if no SPTES changed
• 2d08b4a KVM: x86/mmu: Ensure forward progress when yielding in TDP MMU iter
• a4b9d17 KVM: x86/mmu: Rename goal_gfn to next_last_level_gfn
• 263d7f6 KVM: x86/mmu: Merge flush and non-flush tdp_mmu_iter_cond_resched
• 15e4865 KVM: x86/mmu: change TDP MMU yield function returns to match cond_resched
• c4b292e powerpc/ptrace: Don't return error when getting/setting FP regs without CONFIG_PPC_FPU_REGS
• 8f7d66d powerpc/vdso: Make sure vdso_wrapper.o is rebuilt everytime vdso.so is rebuilt
• 9056443 i2c: turn recovery error on init to debug
• bf230ab percpu: make pcpu_nr_empty_pop_pages per chunk type
• 31c068e scsi: target: iscsi: Fix zero tag inside a trace event
• da79a5b scsi: pm80xx: Fix chip initialization failure
• 6a94d0f driver core: Fix locking bug in deferred_probe_timeout_work_func()
• 72a5983 usbip: synchronize event handler with sysfs code paths
• e8e4a82 usbip: vudc synchronize sysfs code paths
• 4f72d80 usbip: stub-dev synchronize sysfs code paths
• 32fa347 usbip: add sysfs_lock to synchronize sysfs code paths
• 6547627 thunderbolt: Fix off by one in tb_port_find_retimer()
• 7fb9c61 thunderbolt: Fix a leak in tb_retimer_add()
• 1c453cf net: let skb_orphan_partial wake-up waiters.
• 9b4c8b7 net-ipv6: bugfix - raw & sctp - switch to ipv6_can_nonlocal_bind()
• 5dab4cf net: hsr: Reset MAC header for Tx path
• e04756e mac80211: fix TXQ AC confusion
• 482295d mac80211: fix time-is-after bug in mlme
• 302bcd6 cfg80211: check S1G beacon compat element length
• 68bd158 nl80211: fix potential leak of ACL params
• 106ae6e nl80211: fix beacon head validation
• 4ff14b5 net: sched: fix action overwrite reference counting
• 6918726 net: sched: sch_teql: fix null-pointer dereference
• 5fc89b0 vdpa/mlx5: Fix suspend/resume index restoration
• 09c0736 i40e: Fix sparse errors in i40e_txrx.c
• 0b8496c i40e: Fix sparse error: uninitialized symbol 'ring'
• f17f77f i40e: Fix sparse error: 'vsi->netdev' could be null
• 3a1cc64 i40e: Fix sparse warning: missing error code 'err'
• 30261f0 net: ensure mac header is set in virtio_net_hdr_to_skb()
• a2b85e0 bpf, sockmap: Fix incorrect fwd_alloc accounting
• f415b3c bpf, sockmap: Fix sk->prot unhash op reset
• 9c020a5 bpf: Refcount task stack in bpf_get_task_stack
• 68629be libbpf: Only create rx and tx XDP rings when necessary
• 00b6712 libbpf: Restore umem state after socket create failure
• b34f81c libbpf: Ensure umem pointer is non-NULL before dereferencing
• a2dfc5f ethernet/netronome/nfp: Fix a use after free in nfp_bpf_ctrl_msg_rx
• 430c027 bpf: link: Refuse non-O_RDWR flags in BPF_OBJ_GET
• f1d57bf bpf: Enforce that struct_ops programs be GPL-only
• a6a96bd libbpf: Fix bail out from 'ringbuf_process_ring()' on error
• 388d05f net: hso: fix null-ptr-deref during tty device unregistration
• 6adf0c0 ice: fix memory leak of aRFS after resuming from suspend
• 9f27155 iwlwifi: pcie: properly set LTR workarounds on 22000 devices
• 4ba18db ice: Cleanup fltr list in case of allocation issues
• d01af2c ice: Use port number instead of PF ID for WoL
• ccef0e5 ice: Fix for dereference of NULL pointer
• e7b34fb ice: remove DCBNL_DEVRESET bit from PF state
• 51c26a0 ice: fix memory allocation call
• 95067fe ice: prevent ice_open and ice_stop during reset
• 8f0ed12 ice: Increase control queue timeout
• ad8d37c ice: Continue probe on link/PHY errors
• ac95dc7 batman-adv: initialize "struct batadv_tvlv_tt_vlan_data"->reserved field
• fdd9358 ARM: dts: turris-omnia: configure LED[2]/INTn pin as interrupt pin
• 89dcd75 parisc: avoid a warning on u8 cast for cmpxchg on u8 pointers
• 1cdbc74 parisc: parisc-agp requires SBA IOMMU driver
• b028d1c of: property: fw_devlink: do not link ".*,nr-gpios"
• 800b5c1 ethtool: fix incorrect datatype in set_eee ops
• e7d0f59 fs: direct-io: fix missing sdio->boundary
• 1e43aac ocfs2: fix deadlock between setattr and dio_end_io_write
• 18027fa nds32: flush_dcache_page: use page_mapping_file to avoid races with swapoff
• eafe7f9 ia64: fix user_stack_pointer() for ptrace()
• 7885eed gcov: re-fix clang-11+ support
• badf348 LOOKUP_MOUNTPOINT: we are cleaning "jumped" flag too late
• 7e4bf73 IB/hfi1: Fix probe time panic when AIP is enabled with a buggy BIOS
• 9e3516e cifs: On cifs_reconnect, resolve the hostname again.
• dc3b032 cifs: escape spaces in share names
• 2b11196 rfkill: revert back to old userspace API by default
• 359f330 drm/amdgpu/smu7: fix CAC setting on TOPAZ
• 96312b1 drm/amdgpu: Fix size overflow
• c3c1c66 drm/radeon: Fix size overflow
• 579f19a ACPI: processor: Fix build when CONFIG_ACPI_PROCESSOR=m
• 82c655d drm/i915: Fix invalid access to ACPI _DSM objects
• d10f8a1 net: dsa: lantiq_gswip: Configure all remaining GSWIP_MII_CFG bits
• 622322c net: dsa: lantiq_gswip: Don't use PHY auto polling
• c3ccbe3 net: dsa: lantiq_gswip: Let GSWIP automatically set the xMII clock
• 952f5e5 net: ipv6: check for validity before dereferencing cfg->fc_nlinfo.nlh
• 108b525 xen/evtchn: Change irq_info lock to raw_spinlock_t
• 762b867 selinux: fix race between old and new sidtab
• 5a1f495 selinux: fix cond_list corruption when changing booleans
• 5f3255a selinux: make nslot handling in avtab more robust
• 820d466 nfc: Avoid endless loops caused by repeated llcp_sock_connect()
• 596ad62 nfc: fix memory leak in llcp_sock_connect()
• b428007 nfc: fix refcount leak in llcp_sock_connect()
• 8c9e497 nfc: fix refcount leak in llcp_sock_bind()
• c6508ae ASoC: intel: atom: Stop advertising non working S24LE support
• b1cdcf6 file: fix close_range() for unshare+cloexec
• b9cf3b0 ALSA: hda/conexant: Apply quirk for another HP ZBook G5 model
• 739cee7 ALSA: hda/realtek: Fix speaker amp setup on Acer Aspire E1
• 1aaef55 ALSA: aloop: Fix initialization of controls
• be52c39 xfrm/compat: Cleanup WARN()s that can be user-triggered

Homepage
Download Linux 5.11.14-xanmod1 source from GitHub