A new XanMod Linux Kernel based on the latest Linux Kernel 6.1.43 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.

Linux 6.1.43-xanmod1

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 6.1.43-xanmod1

• a02b6a7 Linux 6.1.43-xanmod1
• 6e2958d XANMOD: x86/build: Add more x86 code optimization flags
• 1e27ba7 XANMOD: x86/build: Prevent generating avx2 and avx512 floating-point code
• c1cdc2f Merge tag 'v6.1.43' into 6.1
• 52a953d Linux 6.1.43
• c3d576b dma-buf: fix an error pointer vs NULL bug
• 23acc2b dma-buf: keep the signaling time of merged fences v3
• 665e6fd test_firmware: return ENOMEM instead of ENOSPC on failed memory allocation
• 0ab95d5 selftests: mptcp: sockopt: use 'iptables-legacy' if available
• bd2deca mptcp: ensure subflow is unhashed before cleaning the backlog
• ab79c75 cpufreq: intel_pstate: Drop ACPI _PSS states table patching
• 602a1cb ACPI: processor: perflib: Avoid updating frequency QoS unnecessarily
• f7fcc0f ACPI: processor: perflib: Use the "no limit" frequency QoS
• d701687 drm/amd/display: Write to correct dirty_rect
• d58fb94 drm/amd/display: perform a bounds check before filling dirty rectangles
• 0441c44 tracing: Fix trace_event_raw_event_synth() if else statement
• f5e8f7a drm/amd/display: set per pipe dppclk to 0 when dpp is off
• 73679f8 rbd: retrieve and check lock owner twice before blocklisting
• 0c0b641 rbd: harden get_lock_owner_info() a bit
• c0d067c rbd: make get_lock_owner_info() return a single locker or NULL
• 3d215ad dm cache policy smq: ensure IO doesn't prevent cleaner policy progress
• 507f70c drm/i915/dpt: Use shmem for dpt objects
• e046aec ceph: never send metrics if disable_send_metrics is set
• 8ab9ad1 PM: sleep: wakeirq: fix wake irq arming
• 356e711 arm64/sme: Set new vector length before reallocating
• ff54cb9 ASoC: wm8904: Fill the cache for WM8904_ADC_TEST_0 register
• 6deb872 s390/dasd: print copy pair message only for the correct error
• c4ae208 s390/dasd: fix hanging device after quiesce/resume
• 2b58bd3 LoongArch: BPF: Enable bpf_probe_read{, str}() on LoongArch
• 8a5e0c1 LoongArch: BPF: Fix check condition to call lu32id in move_imm()
• 024ed3b Revert "um: Use swap() to make code cleaner"
• e1d5496 soundwire: fix enumeration completion
• dda7cfc selftests: mptcp: join: only check for ip6tables if needed
• aedec60 net: dsa: qca8k: fix mdb add/del case with 0 VID
• 828f952 net: dsa: qca8k: fix broken search_and_del
• d42c326 net: dsa: qca8k: fix search_and_insert wrong handling of new rule
• e1fda7c virtio-net: fix race between set queues and probe
• cd1a895 xen: speed up grant-table reclaim
• af7aa4f proc/vmcore: fix signedness bug in read_from_oldmem()
• 7f1715d locking/rtmutex: Fix task->pi_waiters integrity
• d392d2d irqchip/gic-v4.1: Properly lock VPEs when doing a directLPI invalidation
• a80d2cb irq-bcm6345-l1: Do not assume a fixed block to cpu mapping
• 2edb879 tpm_tis: Explicitly check for error code
• c9af433 ACPI/IORT: Remove erroneous id_count check in iort_node_get_rmr_info()
• d79f730 nfsd: Remove incorrect check in nfsd4_validate_stateid
• e5a8772 file: always lock position for FMODE_ATOMIC_POS
• 2663e2c x86/MCE/AMD: Decrement threshold_bank refcount when removing threshold blocks
• 360c98f btrfs: check for commit error at btrfs_attach_transaction_barrier()
• a7b85dc btrfs: check if the transaction was aborted at btrfs_wait_for_commit()
• cbec34d btrfs: account block group tree when calculating global reserve size
• 5fec6f7 hwmon: (nct7802) Fix for temp6 (PECI1) processed even if PECI1 disabled
• 85f8077 hwmon: (k10temp) Enable AMD3255 Proc to show negative temperature
• bf7b30d ALSA: hda/relatek: Enable Mute LED on HP 250 G8
• db3c5ca ALSA: hda/realtek: Support ASUS G713PV laptop
• 96a0b80 Revert "xhci: add quirk for host controllers that don't update endpoint DCS"
• 9615ca5 tty: n_gsm: fix UAF in gsm_cleanup_mux
• 7ae9f55 staging: ks7010: potential buffer overflow in ks_wlan_set_encode_ext()
• 41e0557 staging: r8712: Fix memory leak in _r8712_init_xmit_priv()
• ef301c4 Documentation: security-bugs.rst: clarify CVE handling
• ddb9503 Documentation: security-bugs.rst: update preferences when dealing with the linux-distros group
• 9ae3d79 Revert "usb: xhci: tegra: Fix error check"
• cf8203e usb: xhci-mtk: set the dma max_seg_size
• c0ebcc7 usb: cdns3: fix incorrect calculation of ep_buf_size when more than one config
• 9590eee USB: quirks: add quirk for Focusrite Scarlett
• 98a6054 usb: ohci-at91: Fix the unhandle interrupt when resume
• a280625 usb: misc: ehset: fix wrong if condition
• c1fad16 usb: dwc3: don't reset device side if dwc3 was configured as host-only
• 84ff2e9 usb: dwc3: pci: skip BYT GPIO lookup table for hardwired phy
• bf4986f Revert "usb: dwc3: core: Enable AutoRetry feature in the controller"
• 60816ac usb: typec: Use sysfs_emit_at when concatenating the string
• 9e4c1e6 usb: typec: Iterate pds array when showing the pd list
• 59feda7 usb: typec: Set port->pd before adding device for typec_port
• efd354e can: gs_usb: gs_can_close(): add missing set of CAN state to CAN_STATE_STOPPED
• 60dea45 USB: serial: simple: sort driver entries
• 889122f USB: serial: simple: add Kaufmann RKS+CAN VCP
• 6341ef5 USB: serial: option: add Quectel EC200A module support
• f13b7a9 USB: serial: option: support Quectel EM060K_128
• 71bef92 serial: sifive: Fix sifive_serial_console_setup() section
• ace0efe serial: 8250_dw: Preserve original value of DLF register
• 016a4a2 serial: qcom-geni: drop bogus runtime pm state update
• eb1a542 KVM: x86: Disallow KVM_SET_SREGS{2} if incoming CR0 is invalid
• d8eb0c4 KVM: VMX: Don't fudge CR0 and CR4 for restricted L2 guest
• ed8bbe6 KVM: Grab a reference to KVM for VM and vCPU stats file descriptors
• c80b7c8 usb: gadget: core: remove unbalanced mutex_unlock in usb_gadget_activate
• de77000 USB: gadget: Fix the memory leak in raw_gadget driver
• 0f23a9e usb: gadget: call usb_gadget_check_config() to verify UDC capability
• 0cf9741 Revert "usb: gadget: tegra-xudc: Fix error check in tegra_xudc_powerdomain_init()"
• a3a3c7b tracing: Fix warning in trace_buffered_event_disable()
• 77996fa ring-buffer: Fix wrong stat of cpu_buffer->read
• 9d0a4a7 ata: pata_ns87415: mark ns87560_tf_read static
• 84415f9 ublk: fail to recover device if queue setup is interrupted
• 0d5916c ublk: fail to start device if queue setup is interrupted
• c741076 ublk_drv: move ublk_get_device_from_id into ublk_ctrl_uring_cmd
• a39bf13 drm/msm: Disallow submit with fence id 0
• 3398e8b drm/msm: Switch idr_lock to spinlock
• d722661 RDMA/irdma: Report correct WC error
• fe3409c RDMA/irdma: Fix op_type reporting in CQEs
• e139cc2 drm/amd/display: Unlock on error path in dm_handle_mst_sideband_msg_ready_event()
• 5c58d12 drm/amd: Fix an error handling mistake in psp_sw_init()
• ce11421 dm raid: protect md_stop() with 'reconfig_mutex'
• e08db3f dm raid: clean up four equivalent goto tags in raid_ctr()
• d43c7ed dm raid: fix missing reconfig_mutex unlock in raid_ctr() error paths
• 37b5a0b xenbus: check xen_domain in xenbus_probe_initcall
• a71cd15 drm/i915: Fix an error handling path in igt_write_huge()
• ddac66e smb3: do not set NTLMSSP_VERSION flag for negotiate not auth request
• 55704f0 block: Fix a source code comment in include/uapi/linux/blkzoned.h
• f656ba1 ASoC: fsl_spdif: Silence output on stop
• 6806494 cxl/acpi: Return 'rc' instead of '0' in cxl_parse_cfmws()
• 748fadc cxl/acpi: Fix a use-after-free in cxl_parse_cfmws()
• 1b8b835 drm/msm: Fix IS_ERR_OR_NULL() vs NULL check in a5xx_submit_in_rb()
• b850053 RDMA/bnxt_re: Prevent handling any completions after qp destroy
• d335b5f RDMA/mthca: Fix crash when polling CQ for shared QPs
• 5986e96 RDMA/irdma: Fix data race on CQP request done
• 4e1a584 RDMA/irdma: Fix data race on CQP completion stats
• b83e4c1 RDMA/irdma: Add missing read barriers
• 14627d0 drm/msm/adreno: Fix snapshot BINDLESS_DATA size
• b6432b6 drm/msm/dpu: drop enum dpu_core_perf_data_bus_id
• 10b5920 RDMA/mlx4: Make check for invalid flags stricter
• 539cf23 tipc: stop tipc crypto on failure in tipc_node_create
• 5f6a842 tipc: check return value of pskb_trim()
• 0069a11 benet: fix return value check in be_lancer_xmit_workarounds()
• 0f7432b net/sched: mqprio: Add length check for TCA_MQPRIO_{MAX/MIN}_RATE64
• eefc0b3 net/sched: mqprio: add extack to mqprio_parse_nlattr()
• 5523d2e net/sched: mqprio: refactor nlattr parsing to a separate function
• 7218974 mm: suppress mm fault logging if fatal signal already pending
• 268cb07 netfilter: nf_tables: disallow rule addition to bound chain via NFTA_RULE_CHAIN_ID
• 4237462 netfilter: nf_tables: skip immediate deactivate in _PREPARE_ERROR
• 89a4d1a netfilter: nft_set_rbtree: fix overlap expiration walk
• c09df09 igc: Fix Kernel Panic during ndo_tx_timeout callback
• 1ecdbf2 x86/traps: Fix load_unaligned_zeropad() handling for shared TDX memory
• cb160f4 platform/x86: msi-laptop: Fix rfkill out-of-sync on MSI Wind U100
• 8472656 net: stmmac: Apply redundant write work around on 4.xx too
• 17e67a0 octeontx2-af: Fix hash extraction enable configuration
• 9b0c968 octeontx2-af: Removed unnecessary debug messages.
• 517a4f3 team: reset team's flags when down link is P2P device
• 4c50927 bonding: reset bond's flags when down link is P2P device
• 46bf245 ice: Fix memory management in ice_ethtool_fdir.c
• 51aea7e tcp: Reduce chance of collisions in inet6_hashfn().
• 776da4e ipv6 addrconf: fix bug where deleting a mngtmpaddr can create a new temporary address
• 6ed1e46 ethernet: atheros: fix return value check in atl1e_tso_csum()
• 85c38ac atheros: fix return value check in atl1_tso()
• 01cb355 phy: hisilicon: Fix an out of bounds check in hisi_inno_phy_probe()
• 69534f5 vxlan: fix GRO with VXLAN-GPE
• 9e22b43 vxlan: generalize vxlan_parse_gpe_hdr and remove unused args
• ddc6ab3 vxlan: calculate correct header length for GPE
• 4de5cd8 net: hns3: fix wrong bw weight of disabled tc issue
• 487b685 net: hns3: fix wrong tc bandwidth weight data issue
• b931617 net: hns3: fix the imp capability bit cannot exceed 32 bits issue
• e3339d4 net: phy: marvell10g: fix 88x3310 power up
• c76d374 iavf: check for removal state before IAVF_FLAG_PF_COMMS_FAILED
• 469879e iavf: fix potential deadlock on allocation failure
• c0fa9a5 i40e: Fix an NULL vs IS_ERR() bug for debugfs_create_dir()
• 940a2c7 media: amphion: Fix firmware path to match linux-firmware
• 70f9f05 media: staging: atomisp: select V4L2_FWNODE
• accc838 soundwire: qcom: update status correctly with mask
• cf52320 phy: qcom-snps-femto-v2: properly enable ref clock
• 01d8e49 phy: qcom-snps-femto-v2: keep cfg_ahb_clk enabled during runtime suspend
• b613281 phy: qcom-snps: correct struct qcom_snps_hsphy kerneldoc
• 3a5dbdc phy: phy-mtk-dp: Fix an error code in probe()
• 15c94c3 drm/amd/display: Prevent vtotal from being set to 0
• d574113 drm/amd/display: Fix possible underflow for displays with large vblank
• 342ec16 drm/amd/display: update extended blank for dcn314 onwards
• 27931ea drm/amd/display: Add FAMS validation before trying to use it
• 6415d5d drm/amd/display: fix dc/core/dc.c kernel-doc
• 549f205 drm/amd/display: Rework comments on dc file
• 4eed29e maple_tree: fix 32 bit mas_next testing
• 1b6e874 maple_tree: add __init and __exit to test module
• cba7ddf test_maple_tree: test modifications while iterating
• a6e2a0e tracing/probes: Fix to record 0-length data_loc in fetch_store_string*() if fails
• bee9946 Revert "tracing: Add "(fault)" name injection to kernel probes"
• f3baa42 tracing: Allow synthetic events to pass around stacktraces
• d92ee6b tracing/probes: Fix to avoid double count of the string length on the array
• 16cc222 tracing/probes: Add symstr type for dynamic events
• f5ded0c mptcp: do not rely on implicit state check in mptcp_listen()
• fbe9fa1 mptcp: introduce 'sk' to replace 'sock->sk' in mptcp_listen()
• cde7f2f arm64: errata: Mitigate Ampere1 erratum AC03_CPU_38 at stage-2
• eb1de0a KVM: arm64: Condition HW AF updates on config option
• 17e188e drm/ttm: never consider pinned BOs for eviction&swap
• a7451c3 tty: fix hang on tty device with no_room set
• 72deb17 n_tty: Rename tail to old_tail in n_tty_read()
• e9c4473 drm/ttm: Don't leak a resource on eviction error
• 3a8f9b8 drm/ttm: Don't print error message if eviction was interrupted
• 76fcfc6 drm/amd/display: Set minimum requirement for using PSR-SU on Phoenix
• f8b61a2 drm/amd/display: Set minimum requirement for using PSR-SU on Rembrandt
• 41c666e drm/amd/display: Update correct DCN314 register header
• 8f0582f drm/amd/display: fix dcn315 single stream crb allocation
• 38fa05c drm/amd/display: add pixel rate based CRB allocation support
• ad8c209 drm/amd/display: fix unbounded requesting for high pixel rate modes on dcn315
• acba20a drm/amd/display: use low clocks for no plane configs
• 8d515d3 drm/amd/display: add ODM case when looking for first split pipe
• 3a88351 drm/amd/display: Use min transition for all SubVP plane add/remove
• a5397c8 drm/amd/display: Include surface of unaffected streams
• d5b3e4c drm/amd/display: Copy DC context in the commit streams
• 4efb2d2 drm/amd/display: Enable new commit sequence only for DCN32x
• bc2c700 drm/amd/display: Rework context change check
• 810329d drm/amd/display: Check if link state is valid
• f1edb2f drm/amd/display: add FB_DAMAGE_CLIPS support
• ed92b59 PCI: rockchip: Don't advertise MSI-X in PCIe capabilities
• 7b65231 PCI: rockchip: Fix window mapping and address translation for endpoint
• 3b117fd PCI: rockchip: Remove writes to unused registers
• 13b9c5f PCI/ASPM: Avoid link retraining race
• 4d1cd90 PCI/ASPM: Factor out pcie_wait_for_retrain()
• 8dfeae8 PCI/ASPM: Return 0 or -ETIMEDOUT from pcie_retrain_link()
• ecd9da1 MIPS: Loongson: Fix build error when make modules_install
• 3fac9a3 MIPS: Loongson: Move arch cflags to MIPS top level Makefile
• 70957ae i2c: nomadik: Remove a useless call in the remove function
• a9be061 i2c: nomadik: Use devm_clk_get_enabled()
• 82dee5b i2c: nomadik: Remove unnecessary goto label
• 1dc23fb i2c: Improve size determinations
• 38a8983 i2c: Delete error messages for failed memory allocations
• 7b7291a btrfs: fix race between quota disable and relocation
• 44e2afb gpio: mvebu: fix irq domain leak
• 8ee94aa gpio: mvebu: Make use of devm_pwmchip_add
• 19156bc pwm: Add a stub for devm_pwmchip_add()
• b2d8ac9 gpio: tps68470: Make tps68470_gpio_output() always set the initial value
• 04f7d49 io_uring: don't audit the capability check in io_uring_create()
• 017f686 KVM: s390: pv: fix index value of replaced ASCE
• e8df129 powerpc/pseries/vas: Hold mmap_mutex after mmap lock during window close
• 557ea2f blk-mq: Fix stall due to recursive flush plug
• 0935bbb jbd2: Fix wrongly judgement for buffer head removing while doing checkpoint
• 6e38584 drm/amd: Align SMU11 SMU_MSG_OverridePcieParameters implementation with SMU13
• 32631ac drm/amd: Move helper for dynamic speed switch check out of smu13
• 53dd2ca ovl: fix null pointer dereference in ovl_permission()
• a9174f0 drm/amd/display: Keep PHY active for dp config
• 2bb9121 platform/x86/amd/pmf: reduce verbosity of apmf_get_system_params
• fd14866 platform/x86/amd/pmf: Notify OS power slider update
• b068314 netfilter: nf_tables: fix underflow in chain reference counter
• 35651fd netfilter: nf_tables: fix underflow in object reference counter
• 0e552e0 Revert "XANMOD: x86/build: Add more x86_64 optimizations"
  

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Download Linux 6.1.43-xanmod1 source from GitHub