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A new XanMod Linux Kernel based on Linux Kernel 5.9.11 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 5.9.11-xanmod1

  • 23f9b7a Linux 5.9.11-xanmod1
  • 5a791bd Merge tag 'v5.9.11' into 5.9
  • 38cbdc4 Linux 5.9.11
  • c68a9ca mm/userfaultfd: do not access vma->vm_mm after calling handle_userfault()
  • 64b9a62 mm: memcg/slab: fix root memcg vmstats
  • 9906d7a mm: fix readahead_page_batch for retry entries
  • 38d3e20 mm: never attempt async page lock if we've transferred data already
  • 3261603 x86/microcode/intel: Check patch signature before saving microcode for early loading
  • 8427c14 fanotify: fix logic of reporting name info with watched parent
  • 0908acf seccomp: Set PF_SUPERPRIV when checking capability
  • 5fa8f26 ptrace: Set PF_SUPERPRIV when checking capability
  • 52fb03b blk-cgroup: fix a hd_struct leak in blkcg_fill_root_iostats
  • 74b00ca mmc: sdhci-of-arasan: Issue DLL reset explicitly
  • ac571d6 mmc: sdhci-of-arasan: Use Mask writes for Tap delays
  • fbbe94e mmc: sdhci-of-arasan: Allow configuring zero tap values
  • fd49156 mmc: sdhci-pci: Prefer SDR25 timing for High Speed mode for BYT-based Intel controllers
  • d511145 io_uring: don't double complete failed reissue request
  • 95799d5 drm/i915/tgl: Fix Media power gate sequence.
  • 15c1bb5 drm/i915: Handle max_bpc==16
  • 02c879b drm/amd/display: Add missing pflip irq for dcn2.0
  • aab158b Drivers: hv: vmbus: Allow cleanup of VMBUS_CONNECT_CPU if disconnected
  • e1e6000 s390/dasd: fix null pointer dereference for ERP requests
  • 382bb0b s390/cpum_sf.c: fix file permission for cpum_sfb_size
  • d21f8e2 s390: fix system call exit path
  • 34349f9 mac80211: free sta in sta_info_insert_finish() on errors
  • 8ab8b46 mac80211: minstrel: fix tx status processing corner case
  • 6e13d4c mac80211: minstrel: remove deferred sampling code
  • eab927f xtensa: disable preemption around cache alias management calls
  • 5c35085 xtensa: fix TLBTEMP area placement
  • 17cf09e gfs2: Fix regression in freeze_go_sync
  • 78e4b75 regulator: workaround self-referent regulators
  • 18bb2f4 regulator: avoid resolve_supply() infinite recursion
  • 435f4ba regulator: fix memory leak with repeated set_machine_constraints()
  • 6cb608e regulator: pfuze100: limit pfuze-support-disable-sw to pfuze{100,200}
  • 2f07978 spi: bcm2835aux: Fix use-after-free on unbind
  • e456c81 spi: npcm-fiu: Don't leak SPI master in probe error path
  • bd1a5b2 spi: Introduce device-managed SPI controller allocation
  • 3a4c53e spi: lpspi: Fix use-after-free on unbind
  • 842e6bc arm64: dts: agilex/stratix10: Fix qspi node compatible
  • 872859b serial: ar933x_uart: disable clk on error handling path in probe
  • 9b757a6 iio: adc: stm32-adc: fix a regression when using dma and irq
  • 6793714 iio/adc: ingenic: Fix battery VREF for JZ4770 SoC
  • 9f19ff4 iio/adc: ingenic: Fix AUX/VBAT readings when touchscreen is used
  • e58dcc0 iio: imu: st_lsm6dsx: set 10ms as min shub slave timeout
  • 3fc7b9b iio: cros_ec: Use default frequencies when EC returns invalid information
  • fb9488a iio: adc: mediatek: fix unset field
  • 7070a5c iio: accel: kxcjk1013: Add support for KIOX010A ACPI DSM for setting tablet-mode
  • b8b48e4 iio: accel: kxcjk1013: Replace is_smo8500_device with an acpi_type enum
  • c31531d ACPI: fan: Initialize performance state sysfs attribute
  • 94fe5a9 xfs: fix forkoff miscalculation related to XFS_LITINO(mp)
  • 3a6b5d5 ext4: fix bogus warning in ext4_update_dx_flag()
  • 8fcfcad iio: light: fix kconfig dependency bug for VCNL4035
  • 7895cea staging: mt7621-pci: avoid to request pci bus resources
  • 9d49229 staging: rtl8723bs: Add 024c:0627 to the list of SDIO device-ids
  • 2ad3479 efivarfs: fix memory leak in efivarfs_create()
  • b1ab443 HID: logitech-dj: Fix an error in mse_bluetooth_descriptor
  • 7694887 tty: serial: imx: keep console clocks always on
  • c4d41ee tty: serial: imx: fix potential deadlock
  • 276949e ALSA: hda/realtek - HP Headset Mic can't detect after boot
  • b8705cb ALSA: hda/realtek: Add some Clove SSID in the ALC293(ALC1220)
  • 274b8ad ALSA: hda/realtek - Add supported mute Led for HP
  • 350c8e9 ALSA: hda/realtek - Add supported for Lenovo ThinkPad Headset Button
  • 6220874 ALSA: mixart: Fix mutex deadlock
  • 0976f5c ALSA: ctl: fix error path at adding user-defined element set
  • dead6fe ALSA: usb-audio: Add delay quirk for all Logitech USB devices
  • 6e0d497 ALSA: firewire: Clean up a locking issue in copy_resp_to_buf()
  • 1f1cc0b speakup: Do not let the line discipline be used several times
  • d929c9b HID: logitech-dj: Fix Dinovo Mini when paired with a MX5x00 receiver
  • 12db09f HID: logitech-dj: Handle quad/bluetooth keyboards with a builtin trackpad
  • a28d47b HID: mcp2221: Fix GPIO output handling
  • 646e5ab HID: logitech-hidpp: Add PID for MX Anywhere 2
  • b321d0b afs: Fix speculative status fetch going out of order wrt to modifications
  • 17e443a libfs: fix error cast of negative value in simple_attr_write()
  • 0481a03 sched: Fix rq->nr_iowait ordering
  • 09b5b60 sched: Fix data-race in wakeup
  • c2ff4a4 sched/fair: Fix overutilized update in enqueue_task_fair()
  • 2c6fc64 efi/x86: Free efi_pgd with free_pages()
  • 4848d59 counter/ti-eqep: Fix regmap max_register
  • d3d9a13 efi/arm: set HSCTLR Thumb2 bit correctly for HVC calls from HYP
  • 5a1441d bpf, sockmap: Avoid returning unneeded EAGAIN when redirecting to self
  • 9668766 bpf, sockmap: Use truesize with sk_rmem_schedule()
  • 98f5432 bpf, sockmap: On receive programs try to fast track SK_PASS ingress
  • 029cf9b bpf, sockmap: Skb verdict SK_PASS to self already checked rmem limits
  • 3df0786 selftests/seccomp: sh: Fix register names
  • a15ac9d selftests/seccomp: powerpc: Fix typo in macro variable name
  • 7de7f05 xfs: revert "xfs: fix rmap key and record comparison functions"
  • 4050eb8 fail_function: Remove a redundant mutex unlock
  • 6a5a101 lib/strncpy_from_user.c: Mask out bytes after NUL terminator.
  • 94ef29c libbpf: Fix VERSIONED_SYM_COUNT number parsing
  • 21778b2 regulator: ti-abb: Fix array out of bound read access on the first transition
  • 5c94f38 ASOC: Intel: kbl_rt5663_rt5514_max98927: Do not try to disable disabled clock
  • 8ce94d1 xfs: return corresponding errcode if xfs_initialize_perag() fail
  • ad57916 xfs: ensure inobt record walks always make forward progress
  • dee9c6d xfs: directory scrub should check the null bestfree entries too
  • 93bdbf3 xfs: strengthen rmap record flags checking
  • 9a22ffc xfs: fix the minrecs logic when dealing with inode root child blocks
  • a0a05cd can: m_can: process interrupt only when not runtime suspended
  • ce9824a can: flexcan: flexcan_chip_start(): fix erroneous flexcan_transceiver_enable() during bus-off recovery
  • 3330e9f iommu/vt-d: Avoid panic if iommu init fails in tboot system
  • 5528e3d iommu/vt-d: Move intel_iommu_gfx_mapped to Intel IOMMU header
  • fbb6dcf dmaengine: fix error codes in channel_register()
  • 99e0896 can: kvaser_usb: kvaser_usb_hydra: Fix KCAN bittiming limits
  • 4cf15e9 can: kvaser_pciefd: Fix KCAN bittiming limits
  • b7372eb bpf, sockmap: Ensure SO_RCVBUF memory is observed on ingress redirect
  • d740330 bpf, sockmap: Fix partial copy_page_to_iter so progress can still be made
  • 9801ebf net/mlx5: E-Switch, Fail mlx5_esw_modify_vport_rate if qos disabled
  • 5b63b75 drm/sun4i: dw-hdmi: fix error return code in sun8i_dw_hdmi_bind()
  • b9aee42 MIPS: Alchemy: Fix memleak in alchemy_clk_setup_cpu
  • c3b0c0c selftests/bpf: Fix error return code in run_getsockopt_test()
  • c7582bb spi: cadence-quadspi: Fix error return code in cqspi_probe
  • 39ba3e6 ASoC: qcom: lpass-platform: Fix memory leak
  • f7d1600 ASoC: Intel: KMB: Fix S24_LE configuration
  • b611480 dmaengine: idxd: fix mapping of portal size
  • 7db7f6c can: m_can: m_can_stop(): set device to software init mode before closing
  • ca9929a can: m_can: Fix freeing of can device from peripherials
  • 55cb829 can: m_can: m_can_class_free_dev(): introduce new function
  • 851e8ee can: m_can: m_can_handle_state_change(): fix state change
  • 09f81e4 can: tcan4x5x: tcan4x5x_can_remove(): fix order of deregistration
  • 87cd4f4 can: tcan4x5x: tcan4x5x_can_probe(): add missing error checking for devm_regmap_init()
  • bd500c1 can: tcan4x5x: replace depends on REGMAP_SPI with depends on SPI
  • 46b6cf1 can: flexcan: fix failure handling of pm_runtime_get_sync()
  • 2dce84c can: peak_usb: fix potential integer overflow on shift of a int
  • 28b801f can: mcba_usb: mcba_usb_start_xmit(): first fill skb, then pass to can_put_echo_skb()
  • 9e38c98 can: ti_hecc: Fix memleak in ti_hecc_probe
  • 225902e can: dev: can_restart(): post buffer from the right context
  • 49cd032 can: af_can: prevent potential access of uninitialized member in canfd_rcv()
  • 6a67da9 can: af_can: prevent potential access of uninitialized member in can_rcv()
  • 4ddfa76 ip_tunnels: Set tunnel option flag when tunnel metadata is present
  • ec6ea95 IB/hfi1: Fix error return code in hfi1_init_dd()
  • 089a92d tools, bpftool: Add missing close before bpftool net attach exit
  • 012e9e7 drm: bridge: dw-hdmi: Avoid resetting force in the detect function
  • ac5a3a2 SUNRPC: Fix oops in the rpc_xdr_buf event class
  • 9958a78 perf lock: Don't free "lock_seq_stat" if read_count isn't zero
  • 160ed93 perf lock: Correct field name "flags"
  • d499fab RMDA/sw: Don't allow drivers using dma_virt_ops on highmem configs
  • 3235764 RDMA/pvrdma: Fix missing kfree() in pvrdma_register_device()
  • bffab1d rfkill: Fix use-after-free in rfkill_resume()
  • 568fe95 Input: elan_i2c - fix firmware update on newer ICs
  • ef96d50 Input: resistive-adc-touch - fix kconfig dependency on IIO_BUFFER
  • c033775 spi: fix client driver breakages when using GPIO descriptors
  • 3de293b rcu: Don't invoke try_invoke_on_locked_down_task() with irqs disabled
  • 64e893c kunit: tool: unmark test_data as binary blobs
  • 1d81339 dmaengine: ti: omap-dma: Block PM if SDMA is busy to fix audio
  • e81b808 ARM: dts: imx50-evk: Fix the chip select 1 IOMUX
  • a49ec98 arm64: dts: imx8mm: fix voltage for 1.6GHz CPU operating point
  • d45c431 ARM: dts: stm32: Keep VDDA LDO1 always on on DHCOM
  • b4ed3b6 ARM: dts: stm32: Enable thermal sensor support on stm32mp15xx-dhcor
  • 8724541 ARM: dts: stm32: Define VIO regulator supply on DHCOM
  • 0229c86 ARM: dts: stm32: Fix LED5 on STM32MP1 DHCOM PDK2
  • 0b377c1 ARM: dts: stm32: Fix TA3-GPIO-C key on STM32MP1 DHCOM PDK2
  • 1a6aaae dmaengine: xilinx_dma: Fix SG capability check for MCDMA
  • 27dda4d dmaengine: xilinx_dma: Fix usage of xilinx_aximcdma_tx_segment
  • cb03bd5 tee: amdtee: synchronize access to shm list
  • 5d53c19 tee: amdtee: fix memory leak due to reset of global shm list
  • a68c11f swiotlb: using SIZE_MAX needs limits.h included
  • 2202c5c ARM: dts: imx6q-prti6q: fix PHY address
  • 16e34ba ARM: dts: vf610-zii-dev-rev-b: Fix MDIO over clocking
  • 12b73d7 arm: dts: imx6qdl-udoo: fix rgmii phy-mode for ksz9031 phy
  • 488b3d6 arm64: dts imx8mn: Remove non-existent USB OTG2
  • 8c767be arm64: dts: imx8mm-beacon-som: Fix Choppy BT audio
  • a0f7917 arm64: dts: fsl: fix endianness issue of rcpm
  • a96b130 arm64: dts: allwinner: h5: OrangePi Prime: Fix ethernet node
  • eeb625e dmaengine: idxd: fix wq config registers offset programming
  • da20c6b MIPS: export has_transparent_hugepage() for modules
  • 241d494 Input: adxl34x - clean up a data type in adxl34x_probe()
  • 9c838b8 arm64: dts: allwinner: a64: bananapi-m64: Enable RGMII RX/TX delay on PHY
  • 9871277 arm64: dts: allwinner: h5: libretech-all-h5-cc: Enable RGMII RX/TX delay on PHY
  • ada77e3 ARM: dts: sunxi: bananapi-m2-plus: Enable RGMII RX/TX delay on Ethernet PHY
  • 78c7a4a ARM: dts: sun9i: Enable both RGMII RX/TX delay on Ethernet PHY
  • 286dbcc ARM: dts: sun8i: a83t: Enable both RGMII RX/TX delay on Ethernet PHY
  • ad15051 ARM: dts: sun8i: h3: orangepi-plus2e: Enable RGMII RX/TX delay on Ethernet PHY
  • c6a9e1e ARM: dts: sun7i: bananapi-m1-plus: Enable RGMII RX/TX delay on Ethernet PHY
  • e99dc29 ARM: dts: sun7i: cubietruck: Enable RGMII RX/TX delay on Ethernet PHY
  • d4278c6 ARM: dts: sun6i: a31-hummingbird: Enable RGMII RX/TX delay on Ethernet PHY
  • 018b3de Revert "arm: sun8i: orangepi-pc-plus: Set EMAC activity LEDs to active high"
  • 58a5689 ARM: dts: sun8i: r40: bananapi-m2-ultra: Fix ethernet node
  • f9235e8 arm64: dts: allwinner: h5: OrangePi PC2: Fix ethernet node
  • 7836a3b arm64: dts: allwinner: a64: Pine64 Plus: Fix ethernet node
  • 4cb1928 arm64: dts: allwinner: a64: OrangePi Win: Fix ethernet node
  • 05ad104 arm64: dts: allwinner: Pine H64: Enable both RGMII RX/TX delay
  • 671ff92 arm64: dts: allwinner: beelink-gs1: Enable both RGMII RX/TX delay
  • 37b4f64 usb: dwc2: Avoid leaving the error_debugfs label unused
  • 53b3380 arm64: cpu_errata: Apply Erratum 845719 to KRYO2XX Silver
  • 6dd627b arm64: kpti: Add KRYO2XX gold/silver CPU cores to kpti safelist
  • 835abb6 arm64: Add MIDR value for KRYO2XX gold/silver CPU cores
  • b950dcc gfs2: Fix case in which ail writes are done to jdata holes
  • 72d9927 hwmon: (pwm-fan) Fix RPM calculation
  • efbd794 gfs2: fix possible reference leak in gfs2_check_blk_type
  • 5013d21 vfs: remove lockdep bogosity in __sb_start_write
  • 9acbc6c um: Call pgtable_pmd_page_dtor() in __pmd_free_tlb()
  • 62aa3c8 arm64: smp: Tell RCU about CPUs that fail to come online
  • b0ebcad arm64: psci: Avoid printing in cpu_psci_cpu_die()
  • 6d4183d arm64: errata: Fix handling of 1418040 with late CPU onlining
  • 0d99509 ACPI: button: Add DMI quirk for Medion Akoya E2228T
  • 4c35d55 selftests: kvm: Fix the segment descriptor layout to match the actual layout
  • ee0e2e0 pinctrl: mcp23s08: Print error message when regmap init fails
  • 00aae17 scsi: ufs: Try to save power mode change and UIC cmd completion timeout
  • 1583106 scsi: ufs: Fix unbalanced scsi_block_reqs_cnt caused by ufshcd_hold()
  • 9d4501e pinctrl: rockchip: enable gpio pclk for rockchip_gpio_to_irq
  • 6f67ce2 habanalabs/gaudi: mask WDT error in QMAN
  • dfdb861 tools, bpftool: Avoid array index warnings.
  • 31fa169 Revert "Revert "gpio: omap: Fix lost edge wake-up interrupts""
  • 36dc4d1 net: usb: qmi_wwan: Set DTR quirk for MR400
  • fee64ae net/tls: Fix wrong record sn in async mode of device resync
  • 1cf7215 net: mvneta: fix possible memory leak in mvneta_swbm_add_rx_fragment
  • 94a883b bnxt_en: Free port stats during firmware reset.
  • 483c969 bnxt_en: Fix counter overflow logic.
  • ca5bbd0 net: fec: Fix reference count leak in fec series ops
  • 535a1c4 PM: runtime: Add pm_runtime_resume_and_get to deal with usage counter
  • b3f20de net/mlx5: Disable QoS when min_rates on all VFs are zero
  • f364bc9 net/mlx5: Clear bw_share upon VF disable
  • 2ddf5cd net/mlx5: Add handling of port type in rule deletion
  • 2d09b81 net/mlx5e: Fix check if netdev is bond slave
  • f0fe498 vsock: forward all packets to the host when no H2G is registered
  • 354eacc tcp: only postpone PROBE_RTT if RTT is < current min_rtt estimate
  • 829e341 sctp: change to hold/put transport for proto_unreach_timer
  • 01b67f8 qlcnic: fix error return code in qlcnic_83xx_restart_hw()
  • 9495a88 qed: fix ILT configuration of SRC block
  • 4cc7d98 qed: fix error return code in qed_iwarp_ll2_start()
  • 50c327e page_frag: Recover from memory pressure
  • 0d11adf net: x25: Increase refcnt of "struct x25_neigh" in x25_rx_call_request
  • 8b380dd net/tls: fix corrupted data in recvmsg
  • 108cb4f net: stmmac: Use rtnl_lock/unlock on netif_set_real_num_rx_queues() call
  • 7325975 net/smc: fix direct access to ib_gid_addr->ndev in smc_ib_determine_gid()
  • 9e07397 net: qualcomm: rmnet: Fix incorrect receive packet handling during cleanup
  • 19dc8dc net: phy: mscc: remove non-MACSec compatible phy
  • 408bdb2 net/ncsi: Fix netlink registration
  • da4917b net/mlx5e: Fix refcount leak on kTLS RX resync
  • 438a5b5 net/mlx4_core: Fix init_hca fields offset
  • ac562d2 net: lantiq: Wait for the GPHY firmware to be ready
  • c22d4f6 netlabel: fix an uninitialized warning in netlbl_unlabel_staticlist()
  • 1b1645a netlabel: fix our progress tracking in netlbl_unlabel_staticlist()
  • 6fb9f79 net: ipa: lock when freeing transaction
  • 8a6ba1c net: Have netpoll bring-up DSA management interface
  • 582841c net: ftgmac100: Fix crash when removing driver
  • b833181 net: ethernet: ti: cpsw: fix error return code in cpsw_probe()
  • 53c1c76 net: ethernet: ti: cpsw: fix cpts irq after suspend
  • d23a621 net: ethernet: ti: am65-cpts: update ret when ptp_clock is ERROR
  • b9385e2 net: ethernet: mtk-star-emac: return ok when xmit drops
  • 1db0939 net: ethernet: mtk-star-emac: fix error return code in mtk_star_enable()
  • 9f54586 net: dsa: mv88e6xxx: Avoid VTU corruption on 6097
  • e141fff netdevsim: set .owner to THIS_MODULE
  • 3f8fc9b net: bridge: add missing counters to ndo_get_stats64 callback
  • 67dd6d5 net: b44: fix error return code in b44_init_one()
  • ef5a35b mlxsw: core: Use variable timeout for EMAD retries
  • 57429ca lan743x: prevent entire kernel HANG on open, for some platforms
  • e9fa509 lan743x: fix issue causing intermittent kernel log warnings
  • 89a153f ipv6: Fix error path to cancel the meseage
  • 2d2c304 inet_diag: Fix error path to cancel the meseage in inet_req_diag_fill()
  • 886cb9e Exempt multicast addresses from five-second neighbor lifetime
  • 7fe891c enetc: Workaround for MDIO register access issue
  • 5eeba43 devlink: Add missing genlmsg_cancel() in devlink_nl_sb_port_pool_fill()
  • 1772da0 bnxt_en: read EEPROM A2h address using page 0
  • de46a4d atm: nicstar: Unmap DMA on send error
  • 875a017 ah6: fix error return code in ah6_input()

Xanmod

Homepage
Download Linux 5.9.11-xanmod1 source from GitHub