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A new XanMod Linux Kernel based on Linux Kernel 6.6.41 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 6.6.41-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-xanmodlinux-xanmod-edgelinux-xanmod-ltslinux-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

Change log

  • cc6b5f1 Linux 6.6.41-xanmod1
  • 045e94e XANMOD: sched/core: Increase number of tasks to iterate in a single balance run
  • 1f8a96f Merge tag 'v6.6.41' into 6.6
  • 2eaf5c0 Linux 6.6.41
  • eb7641f i2c: rcar: fix error code in probe()
  • e243c11 kbuild: Make ld-version.sh more robust against version string changes
  • dae3543 x86/bhi: Avoid warning in #DB handler due to BHI mitigation
  • 2f5f0eb x86/entry/64: Remove obsolete comment on tracing vs. SYSRET
  • f73481d x86/entry: Rename ignore_sysret()
  • 557d62e i2c: rcar: clear NO_RXDMA flag after resetting
  • bc66325 i2c: testunit: avoid re-issued work after read message
  • 4d2d049 i2c: rcar: ensure Gen3+ reset does not disturb local targets
  • 988c313 i2c: rcar: introduce Gen4 devices
  • 4c029f0 i2c: rcar: reset controller is mandatory for Gen3+
  • ff3d2cf i2c: mark HostNotify target address as used
  • 5bfec9c i2c: rcar: bring hardware to known state when probing
  • c1bf973 btrfs: tree-checker: add type and sequence check for inline backrefs
  • 448a250 sched: Move psi_account_irqtime() out of update_rq_clock_task() hotpath
  • 4dc200e ext4: avoid ptr null pointer dereference
  • 60f6151 nilfs2: fix kernel bug on rename operation of broken directory
  • 6b05ad4 selftests/net: fix gro.c compilation failure due to non-existent opt_ipproto_off
  • 11078e2 mm/damon/core: merge regions aggressively when max_nr_regions is unmet
  • 93893ea mm/shmem: disable PMD-sized page cache if needed
  • 5e305b5 misc: fastrpc: Restrict untrusted app to attach to privileged PD
  • aeab0a8 misc: fastrpc: Fix ownership reassignment of remote heap
  • 8b8b82d misc: fastrpc: Fix memory leak in audio daemon attach operation
  • ba602c7 misc: fastrpc: Copy the complete capability structure to user
  • 143982d misc: fastrpc: Avoid updating PD type for capability request
  • 2b2fb81 misc: fastrpc: Fix DSP capabilities request
  • b6a5c68 wireguard: send: annotate intentional data race in checking empty queue
  • f89f44e wireguard: queueing: annotate intentional data race in cpu round robin
  • 6638a20 wireguard: allowedips: avoid unaligned 64-bit memory accesses
  • 6a43cd6 wireguard: selftests: use acpi=off instead of -no-acpi for recent QEMU
  • e408184 cpufreq: Allow drivers to advertise boost enabled
  • 2ca2fd4 cpufreq: ACPI: Mark boost policy as enabled when setting boost
  • 08985dd ACPI: processor_idle: Fix invalid comparison with insertion sort for latency
  • 9525af1 libceph: fix race between delayed_work() and ceph_monc_stop()
  • f0cc5f7 pmdomain: qcom: rpmhpd: Skip retention level for Power Domains
  • cd94cac Fix userfaultfd_api to return EINVAL as expected
  • b5634da ALSA: hda/realtek: Limit mic boost on VAIO PRO PX
  • 77f64c3 ALSA: hda/realtek: Enable Mute LED on HP 250 G7
  • 9e6b110 ALSA: hda/realtek: add quirk for Clevo V5[46]0TU
  • 23efa74 tty: serial: ma35d1: Add a NULL check for of_node
  • 639868f platform/x86: toshiba_acpi: Fix array out-of-bounds access
  • c01f9a6 nvmem: core: only change name to fram for current attribute
  • c3debec nvmem: meson-efuse: Fix return value of nvmem callbacks
  • 5f97b61 nvmem: rmem: Fix return value of rmem_read()
  • 25712a3 arm64: dts: qcom: sc8280xp-x13s: fix touchscreen power on
  • 1e35301 arm64: dts: qcom: sa8775p: Correct IRQ number of EL2 non-secure physical timer
  • 618edb8 iio: trigger: Fix condition for own trigger
  • 9e84b1b ksmbd: discard write access to the directory open
  • a0c42dd mm/filemap: make MAX_PAGECACHE_ORDER acceptable to xarray
  • 06b5a69 mm/filemap: skip to create PMD-sized page cache if needed
  • 28acd53 mm: vmalloc: check if a hash-index is in cpu_possible_mask
  • 794fa52 s390/mm: Add NULL pointer check to crst_table_free() base_crst_free()
  • 9339641 xhci: always resume roothubs if xHC was reset during resume
  • a3d8302 hpet: Support 32-bit userspace
  • 814a99b misc: microchip: pci1xxxx: Fix return value of nvmem callbacks
  • 647d61a USB: core: Fix duplicate endpoint bug by clearing reserved bits in the descriptor
  • d120503 usb: gadget: configfs: Prevent OOB read/write in usb_string_copy()
  • add279f usb: dwc3: pci: add support for the Intel Panther Lake
  • 20836c9 USB: Add USB_QUIRK_NO_SET_INTF quirk for START BP-850k
  • 5ae6a64 USB: serial: mos7840: fix crash on resume
  • 5117511 USB: serial: option: add Rolling RW350-GL variants
  • 8ee097a USB: serial: option: add Netprisma LCUK54 series modules
  • 4e8c088 USB: serial: option: add support for Foxconn T99W651
  • 9201d38 USB: serial: option: add Fibocom FM350-GL
  • 8d32026 USB: serial: option: add Telit FN912 rmnet compositions
  • 5aaeb60 USB: serial: option: add Telit generic core-dump composition
  • 32b96db net: ks8851: Fix potential TX stall after interface reopen
  • 80ece00 net: ks8851: Fix deadlock with the SPI chip variant
  • dfcdd7f tcp: avoid too many retransmit packets
  • b75f281 tcp: use signed arithmetic in tcp_rtx_probe0_timed_out()
  • 1e116c1 Revert "sched/fair: Make sure to try to detach at least one movable task"
  • 87f3ceb cifs: fix setting SecurityFlags to true
  • 8665fb9 octeontx2-af: fix issue with IPv4 match for RSS
  • 0207c79 octeontx2-af: fix issue with IPv6 ext match for RSS
  • 2c41eaa octeontx2-af: fix detection of IP layer
  • d24b124 octeontx2-af: fix a issue with cpt_lf_alloc mailbox
  • 22b864f octeontx2-af: replace cpt slot with lf id on reg write
  • 0e17926 i40e: fix: remove needless retries of NVM update
  • cf3c237 ARM: davinci: Convert comma to semicolon
  • 392cff2 firmware: cs_dsp: Use strnlen() on name fields in V1 wmfw files
  • 8246bbf ASoC: SOF: Intel: hda: fix null deref on system suspend entry
  • 76ea8e1 firmware: cs_dsp: Prevent buffer overrun when processing V2 alg headers
  • 3a9cd92 firmware: cs_dsp: Validate payload length before processing block
  • 90ab191 firmware: cs_dsp: Return error if block header overflows file
  • 9c9877a firmware: cs_dsp: Fix overflow checking of wmfw header
  • 6bd5aff arm64: dts: qcom: sc8180x: Fix LLCC reg property again
  • 21379c6 s390: Mark psw in __load_psw_mask() as __unitialized
  • d6c686c net, sunrpc: Remap EPERM in case of connection failure in xs_tcp_setup_socket
  • 799a349 net/sched: Fix UAF when resolving a clash
  • c5fd77c udp: Set SOCK_RCU_FREE earlier in udp_lib_get_port().
  • feeeeb4 ethtool: netlink: do not return SQI value if link is down
  • 099502c ppp: reject claimed-as-LCP but actually malformed packets
  • 853f8cd net: ethernet: mtk-star-emac: set mac_managed_pm when probing
  • 9369830 bpf: Fail bpf_timer_cancel when callback is being cancelled
  • e97c862 bpf: replace bpf_timer_init with a generic helper
  • 5910035 bpf: make timer data struct more generic
  • e65a49b bpf: fix order of args in call to bpf_map_kvcalloc
  • 9d23909 net: ethernet: lantiq_etop: fix double free in detach
  • 5266302 i40e: Fix XDP program unloading while removing the driver
  • 7e9092d net: fix rc7's __skb_datagram_iter()
  • 13bf7ce octeontx2-af: Fix incorrect value output on error path in rvu_check_rsrc_availability()
  • b180739 skmsg: Skip zero length skb in sk_msg_recvmsg
  • 0370f66 net: phy: microchip: lan87xx: reinit PHY after cable test
  • 230bb13 bpf: Fix too early release of tcx_entry
  • 124886c tcp: fix incorrect undo caused by DSACK of TLP retransmit
  • e304a67 net: bcmasp: Fix error code in probe()
  • cbfc844 vfs: don't mod negative dentry count when on shrinker list
  • f71ebe7 fs/dcache: Re-use value stored to dentry->d_flags instead of re-reading
  • 432b06b filelock: fix potential use-after-free in posix_lock_inode
  • cae91b5 dsa: lan9303: Fix mapping between DSA port number and PHY address
  • 6bb6bd3 cachefiles: add missing lock protection when polling
  • de045a8 cachefiles: cyclic allocation of msg_id to avoid reuse
  • d3179ba cachefiles: wait for ondemand_object_worker to finish when dropping object
  • ed60c1a cachefiles: cancel all requests for the object that is being dropped
  • 32e0a9a cachefiles: stop sending new request when dropping object
  • 1894386 cachefiles: narrow the scope of triggering EPOLLIN events in ondemand mode
  • a04cc7f cachefiles: propagate errors from vfs_getxattr() to avoid infinite loop
  • f476dff vfio/pci: Init the count variable in collecting hot-reset devices
  • c3111b3 scsi: ufs: core: Fix ufshcd_abort_one racing issue
  • bed0896 scsi: ufs: core: Fix ufshcd_clear_cmd racing issue
  • 797323d mm: prevent derefencing NULL ptr in pfn_section_valid()
  • fc19e23 Compiler Attributes: Add __uninitialized macro

Xanmod

Homepage
Download Linux 6.6.41-xanmod1 source from GitHub