A new XanMod Linux Kernel based on Linux Kernel 5.10 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 5.10.8-xanmod1

• 3598ba8 Linux 5.10.8-xanmod1
• e189bea net-tcp_bbr: v2: don't assume prior_cwnd was set entering CA_Loss
• b5e6001 net-tcp_bbr: v2: remove cycle_rand parameter that is unused in BBRv2
• d178cf6 net-tcp_bbr: v2: remove field bw_rtts that is unused in BBRv2
• ff07038 net-tcp_bbr: v2: remove unnecessary rs.delivered_ce logic upon loss
• 576589c net-tcp_bbr: v2: BBRv2 ("bbr2") congestion control for Linux TCP
• 4c6a204 net-tcp: add fast_ack_mode=1: skip rwin check in tcp_fast_ack_mode__tcp_ack_snd_check()
• 7d3a38f net-tcp: re-generalize TSO sizing in TCP CC module API
• 31595b1 net-tcp: add new ca opts flag TCP_CONG_WANTS_CE_EVENTS
• 32c6cbb net-tcp_bbr: v2: set tx.in_flight for skbs in repair write queue
• c36e072 net-tcp_bbr: v2: adjust skb tx.in_flight upon split in tcp_fragment()
• b2d64f0 net-tcp_bbr: v2: adjust skb tx.in_flight upon merge in tcp_shifted_skb()
• 6730ff5 net-tcp_bbr: v2: factor out tx.in_flight setting into tcp_set_tx_in_flight()
• aa736af net-tcp_bbr: v2: introduce ca_ops->skb_marked_lost() CC module callback API
• 3c923a3 net-tcp_bbr: v2: export FLAG_ECE in rate_sample.is_ece
• a5e0fc2 net-tcp_bbr: v2: count packets lost over TCP rate sampling interval
• 143c592 net-tcp_bbr: v2: snapshot packets in flight at transmit time and pass in rate_sample
• 4831407 net-tcp_bbr: v2: shrink delivered_mstamp, first_tx_mstamp to u32 to free up 8 bytes
• ee56bf8 net-tcp_rate: account for CE marks in rate sample
• 48dab57 net-tcp_rate: consolidate inflight tracking approaches in TCP
• a4a523d net-tcp_bbr: broaden app-limited rate sample detection
• 7fa2819 Merge tag 'v5.10.8' into 5.10
  |\
  | * 7a1519a Linux 5.10.8
  | * b77681d tools headers UAPI: Sync linux/fscrypt.h with the kernel sources
  | * 27c6968 drm/panfrost: Remove unused variables in panfrost_job_close()
  | * 75e5e51 regmap: debugfs: Fix a reversed if statement in regmap_debugfs_init()
  | * 43f6ea4 net: drop bogus skb with CHECKSUM_PARTIAL and offset beyond end of trimmed packet
  | * 481097d block: fix use-after-free in disk_part_iter_next
  | * 61e8c02 can: isotp: isotp_getname(): fix kernel information leak
  | * 6f7a362 block/rnbd-clt: avoid module unload race with close confirmation
  | * be66572 xsk: Rollback reservation at NETDEV_TX_BUSY
  | * 9ad0375 xsk: Fix race in SKB mode transmit with shared cq
  | * 610e2c5 KVM: arm64: Don't access PMCR_EL0 when no PMU is available
  | * c5c2294 selftests: fib_nexthops: Fix wrong mausezahn invocation
  | * e336a77 net: mvneta: fix error message when MTU too large for XDP
  | * 729319e drm/i915/dp: Track pm_qos per connector
  | * e7f0992 net: mvpp2: disable force link UP during port init procedure
  | * 734bd3f regulator: qcom-rpmh-regulator: correct hfsmps515 definition
  | * ae4db0b arm64: cpufeature: remove non-exist CONFIG_KVM_ARM_HOST
  | * 344f59a wan: ds26522: select CONFIG_BITREVERSE
  | * c969838 regmap: debugfs: Fix a memory leak when calling regmap_attach_dev
  | * 6defee4 net/mlx5e: Fix two double free cases
  | * 699804e net/mlx5e: Fix memleak in mlx5e_create_l2_table_groups
  | * b23accd nvme-tcp: Fix possible race of io_work and direct send
  | * 31a3520 bpftool: Fix compilation failure for net.o with older glibc
  | * 2a21faa iommu/intel: Fix memleak in intel_irq_remapping_alloc
  | * 39b3204 iommu/vt-d: Fix misuse of ALIGN in qi_flush_piotlb()
  | * 2bbe923 zonefs: select CONFIG_CRC32
  | * 771865d lightnvm: select CONFIG_CRC32
  | * 432071f block: rsxx: select CONFIG_CRC32
  | * 0d813da wil6210: select CONFIG_CRC32
  | * e208085 phy: dp83640: select CONFIG_CRC32
  | * f03e225 qed: select CONFIG_CRC32
  | * 41dcfc0 arm64: mm: Fix ARCH_LOW_ADDRESS_LIMIT when !CONFIG_ZONE_DMA
  | * d4a7eb9 dmaengine: xilinx_dma: fix mixed_enum_type coverity warning
  | * c16e7cf dmaengine: xilinx_dma: fix incompatible param warning in _child_probe()
  | * e72371f dmaengine: xilinx_dma: check dma_async_device_register return value
  | * 41f95d8 dmaengine: milbeaut-xdmac: Fix a resource leak in the error handling path of the probe function
  | * ceb97fb dmaengine: mediatek: mtk-hsdma: Fix a resource leak in the error handling path of the probe function
  | * fcd04aa interconnect: qcom: fix rpmh link failures
  | * 6a0e580 interconnect: imx: Add a missing of_node_put after of_device_is_available
  | * e5689d8 bcache: set bcache device into read-only mode for BCH_FEATURE_INCOMPAT_OBSO_LARGE_BUCKET
  | * 8f24368 i2c: mediatek: Fix apdma and i2c hand-shake timeout
  | * d908dd5 i2c: i801: Fix the i2c-mux gpiod_lookup_table not being properly terminated
  | * 7a30d66 spi: stm32: FIFO threshold level - fix align packet size
  | * c75a667 spi: spi-geni-qcom: Fix geni_spi_isr() NULL dereference in timeout case
  | * 932e130 cpufreq: powernow-k8: pass policy rather than use cpufreq_cpu_get()
  | * a885713 spi: spi-geni-qcom: Fail new xfers if xfer/cancel/abort pending
  | * 175465c can: kvaser_pciefd: select CONFIG_CRC32
  | * 9fc286e can: m_can: m_can_class_unregister(): remove erroneous m_can_clk_stop()
  | * 9b99078 can: tcan4x5x: fix bittiming const, use common bittiming from m_can driver
  | * 4abc2db selftests/bpf: Clarify build error if no vmlinux
  | * e095ac6 dmaengine: dw-edma: Fix use after free in dw_edma_alloc_chunk()
  | * 75dfd24 i2c: sprd: use a specific timeout to avoid system hang up issue
  | * 0a27398 ARM: OMAP2+: omap_device: fix idling of devices during probe
  | * 7973356 fanotify: Fix sys_fanotify_mark() on native x86-32
  | * 797c128 HID: wacom: Fix memory leakage caused by kfifo_alloc
  | * bca9046 ionic: start queues before announcing link up
  | * 6aebfda scsi: lpfc: Fix variable 'vport' set but not used in lpfc_sli4_abts_err_handler()
  | * 8543acf net/mlx5: Check if lag is supported before creating one
  | * 1e5b0a2 net/mlx5e: In skb build skip setting mark in switchdev mode
  | * dd7cce9 net/mlx5e: ethtool, Fix restriction of autoneg with 56G
  | * 39e86d3 net/mlx5: Use port_num 1 instead of 0 when delete a RoCE address
  | * d6d3f9d net: dsa: lantiq_gswip: Exclude RMII from modes that report 1 GbE
  | * af9b4ab s390/qeth: fix L2 header access in qeth_l3_osa_features_check()
  | * af0c184 s390/qeth: fix locking for discipline setup / removal
  | * 1214d69 s390/qeth: fix deadlock during recovery
  | * 5fb8a31 nexthop: Bounce NHA_GATEWAY in FDB nexthop groups
  | * eaa7a6c nexthop: Unlink nexthop group entry in error path
  | * 6486bc0 nexthop: Fix off-by-one error in error path
  | * 2e76352 octeontx2-af: fix memory leak of lmac and lmac->name
  | * ab8e7a1 chtls: Fix chtls resources release sequence
  | * 23e696e chtls: Added a check to avoid NULL pointer dereference
  | * 5a1af38 chtls: Replace skb_dequeue with skb_peek
  | * d929748 chtls: Avoid unnecessary freeing of oreq pointer
  | * 523cea3 chtls: Fix panic when route to peer not configured
  | * 2702758 chtls: Remove invalid set_tcb call
  | * 694635a chtls: Fix hardware tid leak
  | * b0ff6d0 net: ip: always refragment ip defragmented packets
  | * d5fc41e net: fix pmtu check in nopmtudisc mode
  | * 541c22a tools: selftests: add test for changing routes with PTMU exceptions
  | * 69363e3 net: ipv6: fib: flush exceptions when purging route
  | * 6d233d9 ptp: ptp_ines: prevent build when HAS_IOMEM is not set
  | * 210b9cd net: bareudp: add missing error handling for bareudp_link_config()
  | * 2a432be net/sonic: Fix some resource leaks in error handling paths
  | * 9591f32 net: vlan: avoid leaks on register_vlan_dev() failures
  | * 60de771 net: stmmac: dwmac-sun8i: Balance syscon (de)initialization
  | * 35526a9 net: stmmac: dwmac-sun8i: Balance internal PHY power
  | * 22e1ed2 net: stmmac: dwmac-sun8i: Balance internal PHY resource references
  | * 413a79c net: stmmac: dwmac-sun8i: Fix probe error handling
  | * 8d12c06 net: hns3: fix a phy loopback fail issue
  | * ed59d39 net: hns3: fix the number of queues actually used by ARQ
  | * 799d808 net: hns3: fix incorrect handling of sctp6 rss tuple
  | * b044a94 net: cdc_ncm: correct overhead in delayed_ndp_size
  | * e3b5252 btrfs: shrink delalloc pages instead of full inodes
  | * 17243f7 btrfs: fix deadlock when cloning inline extent and low on free metadata space
  | * 8773816 btrfs: skip unnecessary searches for xattrs when logging an inode
  | * e28ace8 scsi: ufs: Fix -Wsometimes-uninitialized warning
  | * 458b405 io_uring: Fix return value from alloc_fixed_file_ref_node
  | * 51495b7 drm/panfrost: Don't corrupt the queue mutex on open/close
  | * 9d7751a iommu/arm-smmu-qcom: Initialize SCTLR of the bypass context
  | * 85bbe2e RDMA/hns: Avoid filling sl in high 3 bits of vlan_id
  | * 85e25e2 io_uring: patch up IOPOLL overflow_flush sync
  | * bc924dd io_uring: limit {io|sq}poll submit locking scope
  | * 1d5e50d io_uring: synchronise IOPOLL on task_submit fail
  | * bca9ca5 powerpc/32s: Fix RTAS machine check with VMAP stack
• 9b4cdcb Revert "net-tcp_bbr: v2: BBRv2 ("bbr2") congestion control for Linux TCP"

Homepage
Download Linux 5.10.8-xanmod1 source from GitHub