A new XanMod Linux Kernel based on Linux Kernel 6.6.36 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 6.6.36-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

Change log

• 36640c1 Linux 6.6.36-xanmod1
• 163f6e7 XANMOD: .gitlab-ci: Change docker image to xanmod-toolchain:20240628
• 5010b32 Merge tag 'v6.6.36' into 6.6
• 61945f2 Linux 6.6.36
• b3f7525 Revert "mm: mmap: allow for the maximum number of bits for randomizing mmap_base by default"
• 9de62e8 hid: asus: asus_report_fixup: fix potential read out of bounds
• 25f8b9a kprobe/ftrace: fix build error due to bad function definition
• a089369 net/sched: unregister lockdep keys in qdisc_create/qdisc_alloc error path
• b552a47 ASoC: Intel: sof-sdw: really remove FOUR_SPEAKER quirk
• 56aa62f drm/amd/display: revert Exit idle optimizations before HDCP execution
• 988a03e LoongArch: Fix entry point in kernel image header
• eae6e7d efi/loongarch: Directly position the loaded image file
• d9a5d5c vgacon: rework screen_info #ifdef checks
• 05f263c riscv: force PAGE_SIZE linear mapping if debug_pagealloc is enabled
• 5f03d4f riscv: Don't use PGD entries for the linear mapping
• 65ac09c x86/cpu: Fix x86_match_cpu() to match just X86_VENDOR_INTEL
• 71cf8cf x86/cpu/vfm: Add new macros to work with (vendor/family/model) values
• 6408fcf tracing: Add MODULE_DESCRIPTION() to preemptirq_delay_test
• 7261d27 nbd: Fix signal handling
• 193820e nbd: Improve the documentation of the locking assumptions
• afcd1a3 ocfs2: update inode fsync transaction id in ocfs2_unlink and ocfs2_link
• 10fc3a1 ocfs2: convert to new timestamp accessors
• 1dbb1a3 wifi: rtl8xxxu: enable MFP support with security flag of RX descriptor
• b30c9b1 perf script: Show also errors for --insn-trace option
• 0ea11a1 perf: script: add raw|disasm arguments to --insn-trace option
• 23b1940 spi: stm32: qspi: Clamp stm32_qspi_get_mode() output to CCR_BUSWIDTH_4
• 299c0cb arm64: dts: imx8qm-mek: fix gpio number for reg_usdhc2_vmmc
• 6e77a7c spi: stm32: qspi: Fix dual flash mode sanity test in stm32_qspi_setup()
• 211deb3 dt-bindings: i2c: google,cros-ec-i2c-tunnel: correct path to i2c-controller schema
• f712670 dt-bindings: i2c: atmel,at91sam: correct path to i2c-controller schema
• 391251d i2c: ocores: set IACK bit after core is enabled
• 84d3549 mm/page_table_check: fix crash on ZONE_DEVICE
• 250fad1 tcp: clear tp->retrans_stamp in tcp_rcv_fastopen_synack()
• 856cf33 mm: mmap: allow for the maximum number of bits for randomizing mmap_base by default
• 08cfaa1 serial: 8250_dw: Revert "Move definitions to the shared header"
• 231f18e efi/x86: Free EFI memory map only when installing a new one.
• 637619b kcov: don't lose track of remote references during softirqs
• ae30200 gcov: add support for GCC 14
• 67bcecd ocfs2: fix NULL pointer dereference in ocfs2_abort_trigger()
• 0550ad8 ocfs2: fix NULL pointer dereference in ocfs2_journal_dirty()
• 63f894d dt-bindings: dma: fsl-edma: fix dma-channels constraints
• b065d79 drm/amdgpu: fix UBSAN warning in kv_dpm.c
• 9e57611 drm/radeon: fix UBSAN warning in kv_dpm.c
• e7bda1f drm/i915/mso: using joiner is not possible with eDP MSO
• 9f3b02c ALSA: hda/realtek: Add quirk for Lenovo Yoga Pro 7 14AHP9
• b03d8b4 ALSA: hda/realtek: Limit mic boost on N14AP7
• dd3068d ALSA: hda/realtek: fix mute/micmute LEDs don't work for ProBook 445/465 G11.
• 1025281 ovl: fix encoding fid for lower only root
• cd2f517 RDMA/mlx5: Follow rb_key.ats when creating new mkeys
• 637a3be RDMA/mlx5: Remove extra unlock on error path
• 9464632 RDMA/rxe: Fix data copy for IB_SEND_INLINE
• 72040b4 KVM: x86: Always sync PIR to IRR prior to scanning I/O APIC routes
• 48bb628 KVM: arm64: Disassociate vcpus from redistributor region on teardown
• a937ef9 KVM: Fix a data race on last_boosted_vcpu in kvm_vcpu_on_spin()
• 32a62a6 LoongArch: Fix multiple hardware watchpoint issues
• 75ecfab LoongArch: Trigger user-space watchpoints correctly
• 4b26f9a LoongArch: Fix watchpoint setting error
• 450df99 cifs: fix typo in module parameter enable_gcm_256
• eacfd7f scsi: ufs: core: Free memory allocated for model before reinit
• bf1e8c2 btrfs: retry block group reclaim without infinite loop
• 454c454 net: do not leave a dangling sk pointer, when socket creation fails
• f08e079 net: usb: ax88179_178a: improve reset check
• 78a6136 net: stmmac: Assign configured channel value to EXTTS event
• 5556721 locking/atomic: scripts: fix ${atomic}_sub_and_test() kerneldoc
• 677ff45 ext4: fix slab-out-of-bounds in ext4_mb_find_good_group_avg_frag_lists()
• 82d5a4b ext4: avoid overflow when setting values via sysfs
• db3d398 arm64: defconfig: enable the vf610 gpio driver
• 17095b1 ACPI: EC: Evaluate orphan _REG under EC device
• d63c635 RDMA/mana_ib: Ignore optional access flags for MRs
• e0deb0e RDMA/mlx5: Add check for srq max_sge attribute
• 3b73301 RDMA/mlx5: Fix unwind flow as part of mlx5_ib_stage_init_init
• a6d6332 firmware: psci: Fix return value from psci_system_suspend()
• 2a21541 io_uring/rsrc: fix incorrect assignment of iter->nr_segs in io_import_fixed
• 87e0621 spi: spi-imx: imx51: revert burst length calculation back to bits_per_word
• 434c6b9 ACPICA: Revert "ACPICA: avoid Info: mapping multiple BARs. Your kernel is fine."
• 83936d4 arm64: dts: freescale: imx8mm-verdin: enable hysteresis on slow input pin
• 563788a arm64: dts: imx93-11x11-evk: Remove the 'no-sdio' property
• c41f973 arm64: dts: freescale: imx8mp-venice-gw73xx-2x: fix BT shutdown GPIO
• 625c4fd arm64: dts: imx8mp: Fix TC9595 input clock on DH i.MX8M Plus DHCOM SoM
• 332af18 arm64: dts: imx8mp: Fix TC9595 reset GPIO on DH i.MX8M Plus DHCOM SoM
• 90d29da thermal/drivers/mediatek/lvts_thermal: Return error in case of invalid efuse data
• 47a0fe7 regulator: bd71815: fix ramp values
• 79cee58 dmaengine: ioatdma: Fix missing kmem_cache_destroy()
• 6f47c1e dmaengine: fsl-edma: avoid linking both modules
• 30d2259 dmaengine: ioatdma: Fix kmemleak in ioat_pci_probe()
• fb6e3d4 dmaengine: ioatdma: Fix error path in ioat3_dma_probe()
• ab9501e dmaengine: ioatdma: Fix leaking on version mismatch
• faa35db dmaengine: idxd: Fix possible Use-After-Free in irq_process_work_list
• 186d778 regulator: core: Fix modpost error "regulator_get_regmap" undefined
• 163868e RDMA/rxe: Fix responder length checking for UD request packets
• 9f06731 spi: cs42l43: Correct SPI root clock speed
• 5f338cb RDMA/bnxt_re: Fix the max msix vectors macro
• 7bcca71 net: usb: rtl8150 fix unintiatilzed variables in rtl8150_get_link_ksettings
• ad22071 bnxt_en: Restore PTP tx_avail count in case of skb_pad() error
• 714782d ice: Fix VSI list rule with ICE_SW_LKUP_LAST type
• 325f8ab netfilter: move the sysctl nf_hooks_lwtunnel into the netfilter core
• d62df86 seg6: fix parameter passing when calling NF_HOOK() in End.DX4 and End.DX6 behaviors
• 94dd411 netfilter: ipset: Fix suspicious rcu_dereference_protected()
• 3ee9c73 octeontx2-pf: Fix linking objects into multiple modules
• 096a93e octeontx2-pf: Add error handling to VLAN unoffload handling
• 3ef2a16 virtio_net: fixing XDP for fully checksummed packets handling
• ef609fd virtio_net: checksum offloading handling fix
• a71b686 net: stmmac: No need to calculate speed divider when offload is disabled
• a674424 selftests: openvswitch: Use bash as interpreter
• 666e934 ptp: fix integer overflow in max_vclocks_store
• 9126fd8 sched: act_ct: add netns into the key of tcf_ct_flow_table
• b57a4a2 tipc: force a dst refcount before doing decryption
• 5f926aa net/sched: act_api: fix possible infinite loop in tcf_idr_check_alloc()
• 284fd7e net/sched: act_api: rely on rcu in tcf_idr_check_alloc
• 123eaaf net: phy: mxl-gpy: Remove interrupt mask clearing from config_init
• de4fc10 net: lan743x: Support WOL at both the PHY and MAC appropriately
• 41805c4 net: lan743x: disable WOL upon resume to restore full data path operation
• 6b2dfc4 qca_spi: Make interrupt remembering atomic
• ef0394c netns: Make get_net_ns() handle zero refcount net
• f897d71 xfrm6: check ip6_dst_idev() return value in xfrm6_get_saddr()
• 73e7c8c ipv6: prevent possible NULL dereference in rt6_probe()
• b694772 ipv6: prevent possible NULL deref in fib6_nh_init()
• b6ebe4f netrom: Fix a memory leak in nr_heartbeat_expiry()
• d940be5 ALSA: hda/realtek: Enable headset mic on IdeaPad 330-17IKB 81DM
• 7f96447 bpf: Avoid splat in pskb_pull_reason
• 5a24f87 ALSA: hda: tas2781: Component should be unbound before deconstruction
• 8be82ac ALSA: hda: cs35l56: Component should be unbound before deconstruction
• 08fa10b cipso: fix total option length computation
• 23a52ca net: mvpp2: use slab_build_skb for oversized frames
• 082b3d4 btrfs: zoned: allocate dummy checksums for zoned NODATASUM writes
• 823e429 ice: avoid IRQ collision to fix init failure on ACPI S3 resume
• 83de3ac ALSA/hda: intel-dsp-config: Document AVS as dsp_driver option
• 590f9d9 ALSA: hda/realtek: Remove Framework Laptop 16 from quirks
• 55d5d08 tracing: Build event generation tests only as modules
• 2cd4854 mips: bmips: BCM6358: make sure CBR is correctly set
• fe5a1bf MIPS: Routerboard 532: Fix vendor retry check code
• b89c2c5 ALSA: seq: ump: Fix missing System Reset message handling
• ff27bd8 ALSA: hda: cs35l41: Possible null pointer dereference in cs35l41_hda_unbind()
• fae0e05 PCI: Do not wait for disconnected devices when resuming
• 96a0e06 ACPI: EC: Install address space handler at the namespace root
• 448efb7 cpufreq: amd-pstate: fix memory leak on CPU EPP exit
• 618fbf4 vfio/pci: Collect hot-reset devices to local buffer
• 287b569 tty: add the option to have a tty reject a new ldisc
• a94a560 usb: gadget: function: Remove usage of the deprecated ida_simple_xx() API
• 404fb6c serial: exar: adding missing CTI and Exar PCI ids
• 982ae33 serial: imx: Introduce timeout when waiting on transmitter empty
• 1c33fd1 MIPS: Octeon: Add PCIe link status check
• 1036d3e f2fs: don't set RO when shutting down f2fs
• 7196289 PCI/PM: Avoid D3cold for HP Pavilion 17 PC/1972 PCIe Ports
• 6f99966 udf: udftime: prevent overflow in udf_disk_stamp_to_time()
• 38e6a52 usb: typec: ucsi_glink: drop special handling for CCI_BUSY
• eba944d usb: dwc3: pci: Don't set "linux,phy_charger_detect" property on Lenovo Yoga Tab2 1380
• e151ae1 Avoid hw_desc array overrun in dw-axi-dmac
• 10132cc usb: misc: uss720: check for incompatible versions of the Belkin F5U002
• eddeb8d f2fs: remove clear SB_INLINECRYPT flag in default_options
• 971c3be usb: gadget: uvc: configfs: ensure guid to be valid before set
• ae0d1ea kprobe/ftrace: bail out if ftrace was killed
• 23afcd5 ext4: fix uninitialized ratelimit_state->lock access in __ext4_fill_super()
• 54f514a iommu/arm-smmu-v3: Free MSIs in case of ENOMEM
• 89bed5c power: supply: cros_usbpd: provide ID table for avoiding fallback match
• 4569c96 platform/x86: p2sb: Don't init until unassigned resources have been assigned
• 2ff4b9a powerpc/io: Avoid clang null pointer arithmetic warnings
• f066882 media: mtk-vcodec: potential null pointer deference in SCP
• 23d3c89 media: intel/ipu6: Fix build with !ACPI
• 3ad0034 powerpc/pseries: Enforce hcall result buffer validity and size
• ff1de42 ALSA: hda/realtek: Add quirks for Lenovo 13X
• bdbc4ca drm/lima: mask irqs in timeout path before hard reset
• 022db5d drm/lima: add mask irq callback to gp and pp
• 171f438 ASoC: Intel: sof_sdw: add quirk for Dell SKU 0C0F
• 38bf3b4 ASoC: Intel: sof_sdw: add JD2 quirk for HP Omen 14
• a63054e platform/x86: toshiba_acpi: Add quirk for buttons on Z830
• 8f3ade4 drm/amd/display: Exit idle optimizations before HDCP execution
• d7b8159 Bluetooth: ath3k: Fix multiple issues reported by checkpatch.pl
• 810e6a1 ACPI: video: Add backlight=native quirk for Lenovo Slim 7 16ARH7
• 18fa9a9 HID: asus: fix more n-key report descriptors if n-key quirked
• a956f64 HID: Add quirk for Logitech Casa touchpad
• 85edd78 wifi: mt76: mt7921s: fix potential hung tasks during chip recovery
• 3f1a155 netpoll: Fix race condition in netpoll_owner_active
• 4882e92 net: dsa: realtek: keep default LED state in rtl8366rb
• c4dbe55 kselftest: arm64: Add a null pointer check
• 6d8b2c5 net/sched: fix false lockdep warning on qdisc root lock
• 2f037b2 net: sfp: add quirk for ATS SFP-GE-T 1000Base-TX module
• fa85b01 scsi: qedi: Fix crash while reading debugfs attribute
• 76ce2f9 drop_monitor: replace spin_lock by raw_spin_lock
• 2d42aac ACPI: x86: Add PNP_UART1_SKIP quirk for Lenovo Blade2 tablets
• c572d3a af_packet: avoid a false positive warning in packet_setsockopt()
• 946a635 wifi: ath9k: work around memset overflow warning
• 2685008 batman-adv: bypass empty buckets in batadv_purge_orig_ref()
• ef063f0 selftests/bpf: Fix flaky test btf_map_in_map/lookup_update
• 5270950 selftests/bpf: Prevent client connect before server bind in test_tc_tunnel.sh
• c5dc2d8 ssb: Fix potential NULL pointer dereference in ssb_device_uevent()
• fd841ee block/ioctl: prefer different overflow check
• 3afcca7 rcutorture: Fix invalid context warning when enable srcu barrier testing
• 93b7d58 rcutorture: Make stall-tasks directly exit when rcutorture tests end
• 2e5ed11 rcutorture: Fix rcu_torture_one_read() pipe_count overflow comment
• 9e810bd io_uring/sqpoll: work around a potential audit memory leak
• b101f0b crypto: hisilicon/qm - Add the err memory release process to qm uninit
• 9f21886 crypto: hisilicon/sec - Fix memory leak for sec resource release
• 7220b97 padata: Disable BH when taking works lock on MT path
• 0eeb28d fs/writeback: bail out if there is no more inodes for IO and queued once

Homepage
Download Linux 6.6.36-xanmod1 source from GitHub