A new XanMod Linux Kernel based on the latest Linux Kernel 5.11.9 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, 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 5.11.9-xanmod1

• e9714b9 Linux 5.11.9-xanmod1
• 2e04d91 Merge tag 'v5.11.9' into 5.11
• bf76829 Linux 5.11.9
• d2c2b04 cifs: Fix preauth hash corruption
• 6daae4e x86/apic/of: Fix CPU devicetree-node lookups
• 08970f8 genirq: Disable interrupts for force threaded handlers
• 7168a2d firmware/efi: Fix a use after bug in efi_mem_reserve_persistent
• 46257a7 efi: use 32-bit alignment for efi_guid_t literals
• e446086 static_call: Fix static_call_update() sanity check
• 76957cc MAINTAINERS: move the staging subsystem to lists.linux.dev
• 2159d59 MAINTAINERS: move some real subsystems off of the staging mailing list
• d1b017b ext4: fix rename whiteout with fast commit
• 9ac7ff1 ext4: fix timer use-after-free on failed mount
• b99d7fc ext4: fix potential error in ext4_do_update_inode
• 066ba1f ext4: do not try to set xattr into ea_inode if value is empty
• e07f221 ext4: stop inode update before return
• 5f669c9 ext4: find old entry again if failed to rename whiteout
• cada49c ext4: fix error handling in ext4_end_enable_verity()
• 80766be efivars: respect EFI_UNSUPPORTED return from firmware
• 922bfc3 x86: Introduce TS_COMPAT_RESTART to fix get_nr_restart_syscall()
• 3704f0a x86: Move TS_COMPAT back to asm/thread_info.h
• def9b93 kernel, fs: Introduce and use set_restart_fn() and arch_set_restart_data()
• 19e0a88 x86/ioapic: Ignore IRQ2 again
• ec872a2 perf/x86/intel: Fix unchecked MSR access error caused by VLBR_EVENT
• 948aa69 perf/x86/intel: Fix a crash caused by zero PEBS status
• a2afad3 PCI: rpadlpar: Fix potential drc_name corruption in store functions
• d6538f4 counter: stm32-timer-cnt: fix ceiling miss-alignment with reload register
• 766cdae counter: stm32-timer-cnt: fix ceiling write max value
• 1f63403 iio: hid-sensor-temperature: Fix issues of timestamp channel
• e0634b0 iio: hid-sensor-prox: Fix scale not correct issue
• 3df2c5e iio: hid-sensor-humidity: Fix alignment issue of timestamp channel
• 2468046 iio: adc: adi-axi-adc: add proper Kconfig dependencies
• 75f0913 iio: adc: ad7949: fix wrong ADC result due to incorrect bit mask
• 462051b iio: adc: ab8500-gpadc: Fix off by 10 to 3
• b98f491 iio: gyro: mpu3050: Fix error handling in mpu3050_trigger_handler
• d9e486e iio: adis16400: Fix an error code in adis16400_initial_setup()
• 140a65d iio:adc:qcom-spmi-vadc: add default scale to LR_MUX2_BAT_ID channel
• a08b5cf iio:adc:stm32-adc: Add HAS_IOMEM dependency
• 9f9917a thunderbolt: Increase runtime PM reference count on DP tunnel discovery
• 66b2e32 thunderbolt: Initialize HopID IDAs in tb_switch_alloc()
• 9de4999 usb: dwc3: gadget: Prevent EP queuing while stopping transfers
• 26db174 usb: dwc3: gadget: Allow runtime suspend if UDC unbinded
• bae6ab4 usb: typec: tcpm: Invoke power_supply_changed for tcpm-source-psy-
• a63d97c usb: typec: Remove vdo[3] part of tps6598x_rx_identity_reg struct
• 2e252ac usb: gadget: configfs: Fix KASAN use-after-free
• 928118b usbip: Fix incorrect double assignment to udc->ud.tcp_rx
• cfbabc0 usb-storage: Add quirk to defeat Kindle's automatic unload
• 1ed6a14 powerpc: Force inlining of cpu_has_feature() to avoid build failure
• cd81b0c nvme-rdma: fix possible hang when failing to set io queues
• 0b34af5 gpiolib: Assign fwnode to parent's if no primary one provided
• 0492006 drm/ttm: make ttm_bo_unpin more defensive
• 7d09e97 drm/ttm: Warn on pinning without holding a reference
• 2ab0064 powerpc/vdso32: Add missing _restgpr_31_x to fix build failure
• 28d3ec6 ASoC: codecs: lpass-wsa-macro: fix RX MIX input controls
• 27be4b0 ASoC: codecs: lpass-va-macro: mute/unmute all active decimators
• 462c3a0 counter: stm32-timer-cnt: Report count function when SLAVE_MODE_DISABLED
• fb125c2 RISC-V: correct enum sbi_ext_rfence_fid
• c2443c2 scsi: mpt3sas: Do not use GFP_KERNEL in atomic context
• 5551638 scsi: ufs: ufs-mediatek: Correct operator & -> &&
• 086bbaf scsi: myrs: Fix a double free in myrs_cleanup()
• d6b18b3 scsi: lpfc: Fix some error codes in debugfs
• b321043 riscv: Correct SPARSEMEM configuration
• 341bc1f RISC-V: Fix out-of-bounds accesses in init_resources()
• 1df0652 cifs: fix allocation size on newly created files
• e13f3d5 cifs: warn and fail if trying to use rootfs without the config option
• ec94bb3 kbuild: Fix for empty SUBLEVEL or PATCHLEVEL again
• 77186c8 net/qrtr: fix __netdev_alloc_skb call
• 5db1387 io_uring: ensure that SQPOLL thread is started for exit
• 927ffd2 pstore: Fix warning in pstore_kill_sb()
• ffb040b iommu/tegra-smmu: Make tegra_smmu_probe_device() to handle all IOMMU phandles
• 240a2c6 i915/perf: Start hrtimer only if sampling the OA buffer
• 12d0838 sunrpc: fix refcount leak for rpc auth modules
• 6977124 vhost_vdpa: fix the missing irq_bypass_unregister_producer() invocation
• 061cb63 vfio: IOMMU_API should be selected
• 879792f svcrdma: disable timeouts on rdma backchannel
• ce10f00 NFSD: fix dest to src mount in inter-server COPY
• a80ea12 NFSD: Repair misuse of sv_lock in 5.10.16-rt30.
• 9b3a901 nfsd: don't abort copies early
• bd3d29e nfsd: Don't keep looking up unhashed files in the nfsd file cache
• 051a1d3 nvmet: don't check iosqes,iocqes for discovery controllers
• d1602ef nvme-tcp: fix a NULL deref when receiving a 0-length r2t PDU
• abcbb47 nvme-tcp: fix possible hang when failing to set io queues
• 6763540 nvme-tcp: fix misuse of __smp_processor_id with preemption enabled
• 58ba062 nvme: fix Write Zeroes limitations
• 5176fc6 ALSA: usb-audio: Fix unintentional sign extension issue
• f9cdf89 afs: Stop listxattr() from listing "afs.*" attributes
• 1607d3d afs: Fix accessing YFS xattrs on a non-YFS server
• 9c6c1ad ASoC: simple-card-utils: Do not handle device clock
• 997b3e9 ASoC: qcom: lpass-cpu: Fix lpass dai ids parse
• 366a332 ASoC: codecs: wcd934x: add a sanity check in set channel map
• dc9cc3d ASoC: qcom: sdm845: Fix array out of range on rx slim channels
• bfbae16 ASoC: qcom: sdm845: Fix array out of bounds access
• 68ade68 ASoC: SOF: intel: fix wrong poll bits in dsp power down
• 80a1d53 ASoC: SOF: Intel: unregister DMIC device on probe error
• f85af61 ASoC: Intel: bytcr_rt5640: Fix HP Pavilion x2 10-p0XX OVCD current threshold
• 69569ee ASoC: fsl_ssi: Fix TDM slot setup for I2S mode
• f53dd32 iommu/amd: Move Stoney Ridge check to detect_ivrs()
• feb319c iommu/amd: Keep track of amd_iommu_irq_remap state
• 36013e9 iommu/amd: Don't call early_amd_iommu_init() when AMD IOMMU is disabled
• 4409417 drm/amd/display: Remove MPC gamut remap logic for DCN30
• 807df06 drm/amd/display: Correct algorithm for reversed gamma
• dd79e58 drm/amd/display: Copy over soc values before bounding box creation
• 457e96b vhost-vdpa: set v->config_ctx to NULL if eventfd_ctx_fdget() fails
• 873c8f1 vhost-vdpa: fix use-after-free of v->config_ctx
• 3f7611f btrfs: fix slab cache flags for free space tree bitmap
• f850593 btrfs: fix race when cloning extent buffer during rewind of an old root
• d75714a zonefs: fix to update .i_wr_refcnt correctly in zonefs_open_zone()
• 543a558 zonefs: prevent use of seq files as swap file
• 94081ca zonefs: Fix O_APPEND async write handling
• 348fcd2 s390/pci: fix leak of PCI device structure
• 2571856 s390/pci: remove superfluous zdev->zbus check
• 4d9ecaf s390/pci: refactor zpci_create_device()
• bab52d7 s390/vtime: fix increased steal time accounting
• 1a33f12 Revert "PM: runtime: Update device status before letting suppliers suspend"
• a7f4980 ALSA: hda/realtek: fix mute/micmute LEDs for HP 850 G8
• 9c40d66 ALSA: hda/realtek: fix mute/micmute LEDs for HP 440 G8
• 3720d8d ALSA: hda/realtek: fix mute/micmute LEDs for HP 840 G8
• 7ea4b3d ALSA: hda/realtek: Apply headset-mic quirks for Xiaomi Redmibook Air
• 8cd20c5 ALSA: hda: generic: Fix the micmute led init state
• 745adba ALSA: hda/realtek: apply pin quirk for XiaomiNotebook Pro
• d7d682a ALSA: dice: fix null pointer dereference when node is disconnected
• 1ce00af spi: cadence: set cqspi to the driver_data field of struct device
• e868c85 ASoC: ak5558: Add MODULE_DEVICE_TABLE
• a953f70 ASoC: ak4458: Add MODULE_DEVICE_TABLE

Homepage
Download Linux 5.11.9-xanmod1 source from GitHub