A new XanMod Linux Kernel based on the latest Linux Kernel 5.11.16 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 5.11.16-xanmod1

• cd64c81 Linux 5.11.16-xanmod1
• 68ccab0 Merge tag 'v5.11.16' into 5.11
• e2d9bf3 Linux 5.11.16
• 8a39972 bpf: Move sanitize_val_alu out of op switch
• 5cba7ca bpf: Improve verifier error messages for users
• 4aa1f14 bpf: Rework ptr_limit into alu_limit and add common error path
• 82975b0 ARM: 9071/1: uprobes: Don't hook on thumb instructions
• af2bb00 bpf: Move off_reg into sanitize_ptr_alu
• 1611010 bpf: Ensure off_reg has no mixed signed bounds for all types
• 0c197aa r8169: don't advertise pause in jumbo mode
• 2923483 r8169: tweak max read request size for newer chips also in jumbo mtu mode
• 86463b3 kasan: remove redundant config option
• cb9febc kasan: fix hwasan build for gcc
• ce541d7 KVM: VMX: Don't use vcpu->run->internal.ndata as an array index
• 49988da KVM: VMX: Convert vcpu_vmx.exit_reason to a union
• 4ccdc6c bpf: Use correct permission flag for mixed signed bounds arithmetic
• 8428409 arm64: dts: allwinner: h6: beelink-gs1: Remove ext. 32 kHz osc reference
• e07270a arm64: dts: allwinner: Fix SD card CD GPIO for SOPine systems
• 54a4243 ARM: OMAP2+: Fix uninitialized sr_inst
• c3efce8 ARM: footbridge: fix PCI interrupt mapping
• 82940b3 ARM: 9069/1: NOMMU: Fix conversion for_each_membock() to for_each_mem_range()
• 5965ac1 ARM: 9063/1: mm: reduce maximum number of CPUs if DEBUG_KMAP_LOCAL is enabled
• 4ff3e40 ARM: OMAP2+: Fix warning for omap_init_time_of()
• 069013b gro: ensure frag0 meets IP header alignment
• 90dcade ch_ktls: do not send snd_una update to TCB in middle
• 40fd9f7 ch_ktls: tcb close causes tls connection failure
• dfe77fe ch_ktls: fix device connection close
• 8348665 ch_ktls: Fix kernel panic
• f5df8db ibmvnic: remove duplicate napi_schedule call in open function
• 4ba852f ibmvnic: remove duplicate napi_schedule call in do_reset function
• c3e1d48 ibmvnic: avoid calling napi_disable() twice
• 5664c89 ia64: tools: remove inclusion of ia64-specific version of errno.h header
• 6462711 ia64: remove duplicate entries in generic_defconfig
• 82aa759 ethtool: pause: make sure we init driver stats
• 3f4b85c i40e: fix the panic when running bpf in xdpdrv mode
• 5d32809 ibmvnic: correctly use dev_consume/free_skb_irq
• 1ccdf1b net: Make tcp_allowed_congestion_control readonly in non-init netns
• 93e2742 mm: ptdump: fix build failure
• fda73b1 net: ip6_tunnel: Unregister catch-all devices
• 6d43717 net: sit: Unregister catch-all devices
• 9083a6b net: phy: marvell: fix detection of PHY on Topaz switches
• af0785c net: davicom: Fix regulator not turned off on failed probe
• efe85cd net/mlx5e: Fix setting of RS FEC mode
• 47d8de3 netfilter: nftables: clone set element expression template
• 1bb3ee4 netfilter: nft_limit: avoid possible divide error in nft_limit_init
• 1adb584 net/mlx5e: fix ingress_ifindex check in mlx5e_flower_parse_meta
• cfe9101 net: macb: fix the restore of cmp registers
• c3bf723 drm/i915/display/vlv_dsi: Do not skip panel_pwr_cycle_delay when disabling the panel
• b33f7e0 libbpf: Fix potential NULL pointer dereference
• f40de00 netfilter: arp_tables: add pre_exit hook for table unregister
• f4e3e82 netfilter: bridge: add pre_exit hooks for ebtable unregistration
• e839472 libnvdimm/region: Fix nvdimm_has_flush() to handle ND_REGION_ASYNC
• 3b9431a ice: Fix potential infinite loop when using u8 loop counter
• 97df84f netfilter: conntrack: do not print icmpv6 as unknown via /proc
• 3dae5a4 netfilter: flowtable: fix NAT IPv6 offload mangling
• f1b4be4 ixgbe: fix unbalanced device enable/disable in suspend/resume
• 758d190 ixgbe: Fix NULL pointer dereference in ethtool loopback test
• 7687606 drm/vmwgfx: Make sure we unpin no longer needed buffers
• ad76931 scsi: libsas: Reset num_scatter if libata marks qc as NODATA
• c4548b8 riscv: Fix spelling mistake "SPARSEMEM" to "SPARSMEM"
• 71904b2 vfio/pci: Add missing range check in vfio_pci_mmap
• ac3b3ce arm64: alternatives: Move length validation in alternative_{insn, endif}
• cda174a arm64: mte: Ensure TIF_MTE_ASYNC_FAULT is set atomically
• 5cc75d2 arm64: fix inline asm in load_unaligned_zeropad()
• af49dae drm/i915: Don't zero out the Y plane's watermarks
• fe64bbc readdir: make sure to verify directory entry for legacy interfaces too
• 832132a dm verity fec: fix misaligned RS roots IO
• bcadf27 HID: wacom: set EV_KEY and EV_ABS only for non-HID_GENERIC type of devices
• 393630d Input: i8042 - fix Pegatron C15B ID entry
• 1adc21f Input: s6sy761 - fix coordinate read bit shift
• 59b5f3e net/sctp: fix race condition in sctp_destroy_sock
• 09c8c8e lib: fix kconfig dependency on ARCH_WANT_FRAME_POINTERS
• 97e21a7 virt_wifi: Return micros for BSS TSF values
• 7cfe824 mac80211: clear sta->fast_rx when STA removed from 4-addr VLAN
• 3818d81 drm/amd/display: Add missing mask for DCN3
• f3f4b9a pcnet32: Use pci_resource_len to validate PCI resource
• 6aaa635 net: ieee802154: forbid monitor for add llsec seclevel
• eacb3f4 net: ieee802154: stop dump llsec seclevels for monitors
• 192f628 net: ieee802154: forbid monitor for del llsec devkey
• 913966f net: ieee802154: forbid monitor for add llsec devkey
• 515043d net: ieee802154: stop dump llsec devkeys for monitors
• 5ce48ad net: ieee802154: forbid monitor for del llsec dev
• 392cb23 net: ieee802154: forbid monitor for add llsec dev
• 6722918 net: ieee802154: stop dump llsec devs for monitors
• baf6c8d net: ieee802154: forbid monitor for del llsec key
• 3d89b83 net: ieee802154: forbid monitor for add llsec key
• 18feecd net: ieee802154: stop dump llsec keys for monitors
• 694a290 iwlwifi: add support for Qu with AX201 device
• 67819be scsi: scsi_transport_srp: Don't block target in SRP_PORT_LOST state
• 4640c9a ASoC: fsl_esai: Fix TDM slot setup for I2S mode
• 3eaf50d drm/msm: Fix a5xx/a6xx timestamps
• cca23e5 ARM: omap1: fix building with clang IAS
• 4e00eef ARM: keystone: fix integer overflow warning
• dfd1a6a powerpc/signal32: Fix Oops on sigreturn with unmapped VDSO
• 6e1585a neighbour: Disregard DEAD dst in neigh_update
• 3071afa bpf: Take module reference for trampoline in module
• adaf914 gpu/xen: Fix a use after free in xen_drm_drv_init
• 10c717b net: axienet: allow setups without MDIO
• f4d949e ASoC: max98373: Added 30ms turn on/off time delay
• cb29598 ASoC: max98373: Changed amp shutdown register as volatile
• 39bc1ef xfrm: BEET mode doesn't support fragments for inner packets
• e553ea8 iwlwifi: Fix softirq/hardirq disabling in iwl_pcie_enqueue_hcmd()
• 36eb5f7 arc: kernel: Return -EFAULT if copy_to_user() fails
• 7ed40be lockdep: Add a missing initialization hint to the "INFO: Trying to register non-static key" message
• 8439ea0 remoteproc: pru: Fix loading of GNU Binutils ELF
• ed80417 ARM: dts: Fix moving mmc devices with aliases for omap4 & 5
• 1693e05 ARM: dts: Drop duplicate sha2md5_fck to fix clk_disable race
• 446d890 ACPI: x86: Call acpi_boot_table_init() after acpi_table_upgrade()
• f7dc8f5 dmaengine: idxd: fix wq cleanup of WQCFG registers
• c84b898 dmaengine: idxd: clear MSIX permission entry on shutdown
• d3e9ffc dmaengine: plx_dma: add a missing put_device() on error path
• b566faa dmaengine: Fix a double free in dma_async_device_register
• d9c0069 dmaengine: dw: Make it dependent to HAS_IOMEM
• 05b7791 dmaengine: idxd: fix wq size store permission state
• 60673d3 dmaengine: idxd: fix opcap sysfs attribute output
• 7f9b39e dmaengine: idxd: fix delta_rec and crc size field for completion record
• 02981a4 dmaengine: idxd: Fix clobbering of SWERR overflow bit on writeback
• 95cd256 gpio: sysfs: Obey valid_mask
• f944033 Input: nspire-keypad - enable interrupts only when opened
• d3eaed9 mtd: rawnand: mtk: Fix WAITRDY break condition and timeout
• 6a34321 AMD_SFH: Add DMI quirk table for BIOS-es which don't set the activestatus bits
• 096515a AMD_SFH: Add sensor_mask module parameter
• 9c82226 AMD_SFH: Removed unused activecontrolstatus member from the amd_mp2_dev struct

Homepage
Download Linux 5.11.16-xanmod1 source from GitHub