A new XanMod Linux Kernel based on Linux Kernel 5.11 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 [5.8], linux-xanmod-edge [5.8], linux-xanmod-lts [5.4], linux-xanmod-rt-edge [5.6-rt] and linux-xanmod-rt [5.4-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 5.10.11-xanmod1

• 0739cbf Linux 5.10.11-xanmod1
• f3e9900 Merge tag 'v5.10.11' into 5.10
• b97134d Linux 5.10.11
• 1daa298 Revert "mm: fix initialization of struct page for holes in memory layout"
• f2a7985 mm: fix initialization of struct page for holes in memory layout
• 5405cb3 Commit 9bb48c82aced ("tty: implement write_iter") converted the tty layer to use write_iter. Fix the redirected_tty_write declaration also in n_tty and change the comparisons to use write_iter instead of write. also in n_tty and change the comparisons to use write_iter instead of write.
• e857271 fs/pipe: allow sendfile() to pipe again
• eb5381e interconnect: imx8mq: Use icc_sync_state
• 0b6672f kernfs: wire up ->splice_read and ->splice_write
• 1116745 kernfs: implement ->write_iter
• 6ce10b6 kernfs: implement ->read_iter
• 436bc4c bpf: Local storage helpers should check nullness of owner ptr passed
• b379dfb drm/i915/hdcp: Get conn while content_type changed
• 9e9ae64 ASoC: SOF: Intel: hda: Avoid checking jack on system suspend
• e9c4068 tcp: Fix potential use-after-free due to double kfree()
• 5cc7606 x86/sev-es: Handle string port IO to kernel memory properly
• 6c19578 net: systemport: free dev before on error path
• e018e57 tty: fix up hung_up_tty_write() conversion
• 875f1b4 tty: implement write_iter
• f5bbf7f x86/sev: Fix nonistr violation
• 39afef8 pinctrl: qcom: Don't clear pending interrupts when enabling
• f8a622d pinctrl: qcom: Properly clear "intr_ack_high" interrupts when unmasking
• 022dac5 pinctrl: qcom: No need to read-modify-write the interrupt status
• 49aec69 pinctrl: qcom: Allow SoCs to specify a GPIO function that's not 0
• 22c3cb5 net: core: devlink: use right genl user_ptr when handling port param get/set
• 6a79169 net: mscc: ocelot: Fix multicast to the CPU port
• 70746a4 tcp: fix TCP_USER_TIMEOUT with zero window
• 981e180 tcp: do not mess with cloned skbs in tcp_add_backlog()
• 013ed7c net: dsa: b53: fix an off by one in checking "vlan->vid"
• f0f3d3e net: Disable NETIF_F_HW_TLS_RX when RXCSUM is disabled
• 261b8f6 net: mscc: ocelot: allow offloading of bridge on top of LAG
• 9898801 ipv6: set multicast flag on the multicast route
• 0083dc2 net_sched: reject silly cell_log in qdisc_get_rtab()
• 56ef551 net_sched: avoid shift-out-of-bounds in tcindex_set_parms()
• 3cb2de5 ipv6: create multicast route with RTPROT_KERNEL
• e5f323b udp: mask TOS bits in udp_v4_early_demux()
• 03ca5c2 net_sched: gen_estimator: support large ewma log
• a6fc831 tcp: fix TCP socket rehash stats mis-accounting
• fee5a83 kasan: fix incorrect arguments passing in kasan_add_zero_shadow
• ecd63f0 kasan: fix unaligned address is unhandled in kasan_remove_zero_shadow
• b65578c skbuff: back tiny skbs with kmalloc() in __netdev_alloc_skb() too
• 73171b6 lightnvm: fix memory leak when submit fails
• 76e2b0b cachefiles: Drop superfluous readpages aops NULL check
• 20fa3a7 nvme-pci: fix error unwind in nvme_map_data
• 8807226 nvme-pci: refactor nvme_unmap_data
• 13bcd09 sh_eth: Fix power down vs. is_opened flag ordering
• 7e2bf98 selftests/powerpc: Fix exit status of pkey tests
• 55c869b net: dsa: mv88e6xxx: also read STU state in mv88e6250_g1_vtu_getnext
• 2fc06bf octeontx2-af: Fix missing check bugs in rvu_cgx.c
• 1918787 ASoC: SOF: Intel: fix page fault at probe if i915 init fails
• ba54833 locking/lockdep: Cure noinstr fail
• 8c262be sh: Remove unused HAVE_COPY_THREAD_TLS macro
• 2339005 sh: dma: fix kconfig dependency for G2_DMA
• e929068 drm/i915/hdcp: Update CP property in update_pipe
• 5897a78 tools: gpio: fix %llu warning in gpio-watch.c
• 3fa4a03 tools: gpio: fix %llu warning in gpio-event-mon.c
• 83d7403 netfilter: rpfilter: mask ecn bits before fib lookup
• 238b5eb cls_flower: call nla_ok() before nla_next()
• 23d02ee x86/cpu/amd: Set __max_die_per_package on AMD
• 0b3efe5 x86/entry: Fix noinstr fail
• a2989ac drm/i915: Only enable DFP 4:4:4->4:2:0 conversion when outputting YCbCr 4:4:4
• 75b9444 drm/i915: s/intel_dp_sink_dpms/intel_dp_set_power/
• 881363c driver core: Extend device_is_dependent()
• b3bc56e driver core: Fix device link device name collision
• 8cd3c48 drivers core: Free dma_range_map when driver probe failed
• 3a9eb11 xhci: tegra: Delay for disabling LFPS detector
• 9e7d7c0 xhci: make sure TRB is fully written before giving it to the controller
• 6b81e92 usb: cdns3: imx: fix can't create core device the second time issue
• cc7f1a3 usb: cdns3: imx: fix writing read-only memory issue
• eb87dd3 usb: bdc: Make bdc pci driver depend on BROKEN
• 9bbf039 usb: udc: core: Use lock when write to soft_connect
• 43e2ae5 USB: gadget: dummy-hcd: Fix errors in port-reset handling
• ea0dd2d usb: gadget: aspeed: fix stop dma register setting.
• c6e50ff USB: ehci: fix an interrupt calltrace error
• f270d1d ehci: fix EHCI host controller initialization sequence
• ee3a62c serial: mvebu-uart: fix tx lost characters at power off
• 225c87b stm class: Fix module init return on allocation failure
• f583cce intel_th: pci: Add Alder Lake-P support
• 2df15ef io_uring: fix short read retries for non-reg files
• f3ac7a5 io_uring: fix SQPOLL IORING_OP_CLOSE cancelation state
• ca75872 io_uring: iopoll requests should also wake task ->in_idle state
• 371f3fb mm: fix numa stats for thp migration
• 0dc3a13 mm: memcg: fix memcg file_dirty numa stat
• 26f54da mm: memcg/slab: optimize objcg stock draining
• cb5fe25 proc_sysctl: fix oops caused by incorrect command parameters
• c351dc4 x86/setup: don't remove E820_TYPE_RAM for pfn 0
• bd08075 x86/mmx: Use KFPU_387 for MMX string operations
• f19c543 x86/topology: Make __max_die_per_package available unconditionally
• f5ee8af x86/fpu: Add kernel_fpu_begin_mask() to selectively initialize state
• c530b17 irqchip/mips-cpu: Set IPI domain parent chip
• 2edf2c9 cifs: do not fail __smb_send_rqst if non-fatal signals are pending
• 062dea9 powerpc/64s: fix scv entry fallback flush vs interrupt
• 1bac533 counter:ti-eqep: remove floor
• 855b115 iio: adc: ti_am335x_adc: remove omitted iio_kfifo_free()
• dbecf66 drivers: iio: temperature: Add delay after the addressed reset command in mlx90632.c
• 5b13690 iio: ad5504: Fix setting power-down state
• c9894c1 iio: common: st_sensors: fix possible infinite loop in st_sensors_irq_thread
• 61aad39 i2c: sprd: depend on COMMON_CLK to fix compile tests
• 3b56eec perf evlist: Fix id index for heterogeneous systems
• ec939c1 can: peak_usb: fix use after free bugs
• e771a87 can: vxcan: vxcan_xmit: fix use after free bug
• 593c072 can: dev: can_restart: fix use after free bug
• 66ee6d9 selftests: net: fib_tests: remove duplicate log test
• 636868a xsk: Clear pool even for inactive queues
• 517732c ALSA: hda: Balance runtime/system PM if direct-complete is disabled
• ca43135 gpio: sifive: select IRQ_DOMAIN_HIERARCHY rather than depend on it
• bc18387 platform/x86: hp-wmi: Don't log a warning on HPWMI_RET_UNKNOWN_COMMAND errors
• d77bc05 platform/x86: intel-vbtn: Drop HP Stream x360 Convertible PC 11 from allow-list
• 3e21c4d drm/vc4: Unify PCM card's driver_name
• adc0cb3 i2c: octeon: check correct size of maximum RECV_LEN packet
• 37d4f78 iov_iter: fix the uaccess area in copy_compat_iovec_from_user
• ce4d02d printk: fix kmsg_dump_get_buffer length calulations
• cf3cca5 printk: ringbuffer: fix line counting
• 2cd9097 RDMA/cma: Fix error flow in default_roce_mode_store
• 56c1362 RDMA/umem: Avoid undefined behavior of rounddown_pow_of_two()
• eb8ca93 drm/amdkfd: Fix out-of-bounds read in kdf_create_vcrat_image_cpu()
• ef9eb91 bpf: Reject too big ctx_size_in for raw_tp test run
• 93f8cc9 arm64: entry: remove redundant IRQ flag tracing
• 29c95dc powerpc: Fix alignment bug within the init sections
• 3f46eda powerpc: Use the common INIT_DATA_SECTION macro in vmlinux.lds.S
• 7c7b2b5 bpf: Prevent double bpf_prog_put call from bpf_tracing_prog_attach
• cfaa407 crypto: omap-sham - Fix link error without crypto-engine
• f733c69 scsi: ufs: Fix tm request when non-fatal error happens
• 1ef1c2e scsi: ufs: ufshcd-pltfrm depends on HAS_IOMEM
• 20758d0 scsi: megaraid_sas: Fix MEGASAS_IOC_FIRMWARE regression
• dbba7a3 btrfs: print the actual offset in btrfs_root_name
• 1f54a26 RDMA/ucma: Do not miss ctx destruction steps in some cases
• 1e00ef8 pinctrl: mediatek: Fix fallback call path
• 9eea5cc pinctrl: aspeed: g6: Fix PWMG0 pinctrl setting
• 73ad8d0 gpiolib: cdev: fix frame size warning in gpio_ioctl()
• 6533681 nfsd: Don't set eof on a truncated READ_PLUS
• de82ec8 nfsd: Fixes for nfsd4_encode_read_plus_data()
• 8478091 x86/xen: fix 'nopvspin' build error
• 434f246 RISC-V: Fix maximum allowed phsyical memory for RV32
• e1b2ecb RISC-V: Set current memblock limit
• 90ab323 libperf tests: Fail when failing to get a tracepoint id
• 6805594 libperf tests: If a test fails return non-zero
• 2ca824c io_uring: flush timeouts that should already have expired
• f3f906b drm/nouveau/kms/nv50-: fix case where notifier buffer is at offset 0
• bb2ee33 drm/nouveau/mmu: fix vram heap sizing
• 685a458 drm/nouveau/i2c/gm200: increase width of aux semaphore owner fields
• 2249a3f drm/nouveau/privring: ack interrupts the same way as RM
• c2cd3e1 drm/nouveau/bios: fix issue shadowing expansion ROMs
• 3970a98 drm/amd/display: Fix to be able to stop crc calculation
• 0a3be22 HID: logitech-hidpp: Add product ID for MX Ergo in Bluetooth mode
• 17c9b51 drm/amd/display: disable dcn10 pipe split by default
• 285a86d drm/amdgpu/psp: fix psp gfx ctrl cmds
• 9e82f2a riscv: defconfig: enable gpio support for HiFive Unleashed
• a416b33 dts: phy: add GPIO number and active state used for phy reset
• 4685e18 dts: phy: fix missing mdio device and probe failure of vsc8541-01 device
• 99e301a x86/xen: Fix xen_hvm_smp_init() when vector callback not available
• a8fddd4 x86/xen: Add xen_no_vector_callback option to test PCI INTX delivery
• fa5f2e0 xen: Fix event channel callback via INTX/GSI
• 95379fe arm64: make atomic helpers __always_inline
• 64de608 riscv: cacheinfo: Fix using smp_processor_id() in preemptible
• cec20e2 ALSA: hda/tegra: fix tegra-hda on tegra30 soc
• a8749df clk: tegra30: Add hda clock default rates to clock driver
• 4301e34 HID: Ignore battery for Elan touchscreen on ASUS UX550
• 1e6fc97 HID: logitech-dj: add the G602 receiver
• 6bc83cc riscv: Enable interrupts during syscalls with M-Mode
• 094a4af riscv: Fix sifive serial driver
• c47d249 riscv: Fix kernel time_init()
• de88bcb scsi: sd: Suppress spurious errors when WRITE SAME is being disabled
• fb84da3 scsi: scsi_debug: Fix memleak in scsi_debug_init()
• c419b74 scsi: qedi: Correct max length of CHAP secret
• 2536194 scsi: ufs: Correct the LUN used in eh_device_reset_handler() callback
• 62985a3 scsi: ufs: Relax the condition of UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL
• 55807e7 x86/hyperv: Fix kexec panic/hang issues
• 246ab9b dm integrity: select CRYPTO_SKCIPHER
• e03bbc5 HID: sony: select CONFIG_CRC32
• eacac9a HID: multitouch: Enable multi-input for Synaptics pointstick/touchpad device
• 00ee972 SUNRPC: Handle TCP socket sends with kernel_sendpage() again
• ae3e2f3 ASoC: rt711: mutex between calibration and power state changes
• 14fe083 ASoC: Intel: haswell: Add missing pm_ops
• 142c6a6 drm/i915: Check for rq->hwsp validity after acquiring RCU lock
• bdab6bd drm/i915/gt: Prevent use of engine->wa_ctx after error
• 7f8049d drm/amd/display: DCN2X Find Secondary Pipe properly in MPO + ODM Case
• 0984695 drm/amdgpu: remove gpu info firmware of green sardine
• eab4b3e drm/syncobj: Fix use-after-free
• 931bc41 drm/atomic: put state on error path
• 9cb683c dm integrity: conditionally disable "recalculate" feature
• de4fabc dm integrity: fix a crash if "recalculate" used without "internal_hash"
• 5a5095a dm: avoid filesystem lookup in dm_get_dev_t()
• 4749ffd mmc: sdhci-brcmstb: Fix mmc timeout errors on S5 suspend
• b97c26c mmc: sdhci-xenon: fix 1.8v regulator stabilization
• 728d8ab mmc: sdhci-of-dwcmshc: fix rpmb access
• ec30240 mmc: core: don't initialize block size from ext_csd if not present
• 6b873ac pinctrl: ingenic: Fix JZ4760 support
• 13ef6bc fs: fix lazytime expiration handling in __writeback_single_inode()
• adc1111 btrfs: send: fix invalid clone operations when cloning from the same file and root
• 018abb5 btrfs: don't clear ret in btrfs_start_dirty_block_groups
• 14e17e9 btrfs: fix lockdep splat in btrfs_recover_relocation
• 5169a28 btrfs: do not double free backref nodes on error
• 9e2fc8f btrfs: don't get an EINTR during drop_snapshot for reloc
• d9deb4c ACPI: scan: Make acpi_bus_get_device() clear return pointer on error
• c5f2364 dm crypt: fix copy and paste bug in crypt_alloc_req_aead
• 367733d crypto: xor - Fix divide error in do_xor_speed()
• fba2b0d ALSA: hda/via: Add minimum mute flag
• d9984b9 ALSA: hda/realtek - Limit int mic boost on Acer Aspire E5-575T
• a03241a ALSA: seq: oss: Fix missing error check in snd_seq_oss_synth_make_info()
• de45a93 platform/x86: ideapad-laptop: Disable touchpad_switch for ELAN0634
• 4d33a2e platform/x86: i2c-multi-instantiate: Don't create platform device for INT3515 ACPI nodes
• c479513 i2c: bpmp-tegra: Ignore unknown I2C_M flags
• e633c08 i2c: tegra: Wait for config load atomically while in ISR
• 4848105 mtd: rawnand: nandsim: Fix the logic when selecting Hamming soft ECC engine
• deffd59 mtd: rawnand: gpmi: fix dst bit offset when extracting raw payload
• e65d688 scsi: target: tcmu: Fix use-after-free of se_cmd->priv

Homepage
Download Linux 5.10.11-xanmod1 source from GitHub