A new XanMod Linux Kernel based on Linux Kernel 6.6.4 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 6.6.4-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 6.6.4-xanmod1

• 55a98a8 Linux 6.6.4-xanmod1
• 319c3a1 .gitlab-ci: Add x86-64-v1 build
• 4005447 Merge tag 'v6.6.4' into 6.6
• 8f34f6b Linux 6.6.4
• 85e56a9 USB: dwc3: qcom: fix wakeup after probe deferral
• 9f7e5ca USB: dwc3: qcom: fix software node leak on probe errors
• 6506e02 usb: dwc3: set the dma max_seg_size
• 7985c3d usb: dwc3: Fix default mode initialization
• 92e44bd USB: dwc2: write HCINT with INTMASK applied
• 07f2b6e usb: typec: tcpm: Skip hard reset when in error recovery
• a45e933 usb: typec: tcpm: Fix sink caps op current check
• 306f780 USB: serial: option: don't claim interface 4 for ZTE MF290
• 7f52c70 USB: serial: option: fix FM101R-GL defines
• 2c89f65 USB: serial: option: add Fibocom L7xx modules
• 15b8536 usb: cdnsp: Fix deadlock issue during using NCM gadget
• 7c0244c usb: config: fix iteration issue in 'usb_get_bos_descriptor()'
• 9c6ad38 USB: xhci-plat: fix legacy PHY double init
• b163173 bcache: fixup lock c->root error
• 19aff88 bcache: fixup init dirty data errors
• 8ff2531 bcache: prevent potential division by zero error
• 30ed07a bcache: check return value from btree_node_alloc_replacement()
• b74095a veth: Use tstats per-CPU traffic counters
• 9b1623f dm-delay: fix a race between delay_presuspend and delay_bio
• 432aa13 ALSA: hda/realtek: Add quirks for ASUS 2024 Zenbooks
• 9718907 ALSA: hda: ASUS UM5302LA: Added quirks for cs35L41/10431A83 on i2c bus
• 4875ef3 cifs: fix leak of iface for primary channel
• d0b5a68 cifs: account for primary channel in the interface list
• 1cd8c35 cifs: distribute channels across interfaces based on speed
• 7e2cde1 Revert "phy: realtek: usb: Add driver for the Realtek SoC USB 2.0 PHY"
• e278779 Revert "phy: realtek: usb: Add driver for the Realtek SoC USB 3.0 PHY"
• abd8dd5 Revert "usb: phy: add usb phy notify port status API"
• 6a2b0b6 hv_netvsc: Mark VF as slave before exposing it to user-mode
• 7350c46 hv_netvsc: Fix race of register_netdevice_notifier and VF register
• 6ebd69f hv_netvsc: fix race of netvsc and VF register_netdevice
• 77cc23e platform/x86: ideapad-laptop: Set max_brightness before using it
• 1cceb48 platform/x86/amd/pmc: adjust getting DRAM size behavior
• 2beaa03 USB: serial: option: add Luat Air72*U series products
• 7b1e1c2 usb: misc: onboard-hub: add support for Microchip USB5744
• a367031 dt-bindings: usb: microchip,usb5744: Add second supply
• 9a98ab0 platform/x86: hp-bioscfg: Fix error handling in hp_add_other_attributes()
• e73ebb9 platform/x86: hp-bioscfg: move mutex_lock() down in hp_add_other_attributes()
• a9dc6f2 platform/x86: hp-bioscfg: Simplify return check in hp_add_other_attributes()
• 9372aab s390/dasd: protect device queue against concurrent access
• ed869ae io_uring/fs: consider link->flags when getting path for LINKAT
• d1280fd bcache: fixup multi-threaded bch_sectors_dirty_init() wake-up race
• 2c975b0 md: fix bi_status reporting in md_end_clone_io
• 7337e99 bcache: replace a mistaken IS_ERR() by IS_ERR_OR_NULL() in btree_gc_coalesce()
• 9ab2b08 io_uring: fix off-by one bvec index
• 2214e2b tls: fix NULL deref on tls_sw_splice_eof() with empty record
• fe5b55b swiotlb-xen: provide the "max_mapping_size" method
• 9b9b04e ACPI: PM: Add acpi_device_fix_up_power_children() function
• a0bb55d ACPI: resource: Skip IRQ override on ASUS ExpertBook B1402CVA
• 7311175 ACPI: processor_idle: use raw_safe_halt() in acpi_idle_play_dead()
• 30b5526 ACPI: video: Use acpi_device_fix_up_power_children()
• e9c6267 thunderbolt: Set lane bonding bit only for downstream port
• f1a0e42 drm/ast: Disconnect BMC if physical connector is connected
• 405b4f6 drm/msm/dpu: Add missing safe_lut_tbl in sc8280xp catalog
• fbb41cf kselftest/arm64: Fix output formatting for za-fork
• 790afa1 prctl: Disable prctl(PR_SET_MDWE) on parisc
• 2b00d1f mm: add a NO_INHERIT flag to the PR_SET_MDWE prctl
• 328854d lockdep: Fix block chain corruption
• 513d4a5 USB: dwc3: qcom: fix ACPI platform device leak
• 7091d91 USB: dwc3: qcom: fix resource leaks on probe deferral
• 2291653 nvmet: nul-terminate the NQNs passed in the connect command
• 399d76d nvme: blank out authentication fabrics options if not configured
• ceca54f afs: Fix file locking on R/O volumes to operate in local mode
• 844a427 afs: Return ENOENT if no cell DNS record can be found
• 1dca26d net: ipa: fix one GSI register field width
• 2ea6b18 net: axienet: Fix check for partial TX checksum
• 78c0614 vsock/test: fix SEQPACKET message bounds test
• 0bdd88a i40e: Fix adding unsupported cloud filters
• 54f0686 amd-xgbe: propagate the correct speed and duplex status
• b2943d7 amd-xgbe: handle the corner-case during tx completion
• 50173aa amd-xgbe: handle corner-case during sfp hotplug
• db7b616 net: veth: fix ethtool stats reporting
• f174a0d octeontx2-pf: Fix ntuple rule creation to direct packet to VF with higher Rx queue than its PF
• 3c1963b arm/xen: fix xen_vcpu_info allocation alignment
• 1bf3683 arm64: mm: Fix "rodata=on" when CONFIG_RODATA_FULL_DEFAULT_ENABLED=y
• 322b3f6 s390/ipl: add missing IPL_TYPE_ECKD_DUMP case to ipl_init()
• 7234d2b net/smc: avoid data corruption caused by decline
• 41eccb6 net: usb: ax88179_178a: fix failed operations during ax88179_reset
• d75f7c1 drm/panel: boe-tv101wum-nl6: Fine tune Himax83102-j02 panel HFP and HBP
• 79b5228 ipv4: Correct/silence an endian warning in __ip_do_redirect
• 6642322 HID: fix HID device resource race between HID core and debugging support
• 790c480 accel/ivpu/37xx: Fix hangs related to MMIO reset
• e9fd34a accel/ivpu: Do not initialize parameters on power up
• 959f301 bpf: Fix dev's rx stats for bpf_redirect_peer traffic
• 6ae7b3f net: Move {l,t,d}stats allocation to core and convert veth & vrf
• 95f068b net, vrf: Move dstats structure to core
• 49036a8 PM: tools: Fix sleepgraph syntax error
• 76a9a10 drm/rockchip: vop: Fix color for RGB888/BGR888 format on VOP full
• 53da7fe libfs: getdents() should return 0 after reaching EOD
• 468a549 block: update the stable_writes flag in bdev_add
• 3461e3b filemap: add a per-mapping stable writes flag
• 1911b12 drm/i915: do not clean GT table on error path
• 6fdfac3 ata: pata_isapnp: Add missing error check for devm_ioport_map()
• 8da4a34 octeontx2-pf: Fix memory leak during interface down
• b605d23 wireguard: use DEV_STATS_INC()
• 61a5507 net: wangxun: fix kernel panic due to null pointer
• d6569fe drm/panel: simple: Fix Innolux G101ICE-L01 timings
• c234251 drm/panel: simple: Fix Innolux G101ICE-L01 bus flags
• 3fb0fa0 fs: Pass AT_GETATTR_NOSEC flag to getattr interface function
• 21bffb8 drm/panel: auo,b101uan08.3: Fine tune the panel power sequence
• 3902d1a blk-cgroup: avoid to warn !rcu_read_lock_held() in blkg_lookup()
• 18350d2 afs: Make error on cell lookup failure consistent with OpenAFS
• 3a4ef51 afs: Fix afs_server_list to be cleaned up with RCU
• 2861237 rxrpc: Defer the response to a PING ACK until we've parsed it
• d299ab0 rxrpc: Fix RTT determination to use any ACK as a source
• 3ef5eee s390/ism: ism driver implies smc protocol
• d0c7390 drm/msm/dsi: use the correct VREG_CTRL_1 value for 4nm cphy
• 47a3075 sched/fair: Fix the decision for load balance
• 14204ac sched/eevdf: Fix vruntime adjustment on reweight
• f969fd5 hv/hv_kvp_daemon: Some small fixes for handling NM keyfiles
• 3fca09b irqchip/gic-v3-its: Flush ITS tables correctly in non-coherent GIC designs
• b79e356 NFSD: Fix checksum mismatches in the duplicate reply cache
• ed1e0ea NFSD: Fix "start of NFS reply" pointer passed to nfsd_cache_update()

Homepage
Download Linux 6.6.4-xanmod1 source from GitHub