A new XanMod Linux Kernel based on the latest Linux LTS Kernel 5.10.42 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 5.10.42-xanmod1

• 7f1dad8 Linux 5.10.42-xanmod1
• 5cf308b Merge tag 'v5.10.42' into 5.10
• 65859ec Linux 5.10.42
• 972b4c1 usb: core: reduce power-on-good delay time of root hub
• 5c7b23b neighbour: Prevent Race condition in neighbour subsytem
• 9427906 scripts/clang-tools: switch explicitly to Python 3
• c1febac net: hso: bail out on interrupt URB allocation failure
• 0e3045c Revert "Revert "ALSA: usx2y: Fix potential NULL pointer dereference""
• 899b513 SUNRPC: More fixes for backlog congestion
• c2779f8 bpftool: Add sock_release help info for cgroup attach/prog load command
• 534b622 net: hns3: check the return of skb_checksum_help()
• bc924bb samples/bpf: Consider frame size in tx_only of xdpsock sample
• 02ce4c9 i915: fix build warning in intel_dp_get_link_status()
• 8d2ab01 net: mvpp2: add buffer header handling in RX
• ac49345 net: zero-initialize tc skb extension on allocation
• 8cad659 MIPS: ralink: export rt_sysc_membase for rt2880_wdt.c
• 70a922f MIPS: alchemy: xxs1500: add gpio-au1000.h header file
• f6442ee net: hsr: fix mac_len checks
• a6a0af3 sch_dsmark: fix a NULL deref in qdisc_reset()
• cd751bd net: ethernet: mtk_eth_soc: Fix packet statistics support for MT7628/88
• f103ae7 ALSA: usb-audio: scarlett2: snd_scarlett_gen2_controls_create() can be static
• 5a2e1ce ipv6: record frag_max_size in atomic fragments in input path
• 5ac7235 net: lantiq: fix memory corruption in RX ring
• 9884399 scsi: libsas: Use _safe() loop in sas_resume_port()
• 3a17d8a ASoC: qcom: lpass-cpu: Use optional clk APIs
• 3cfd115 ixgbe: fix large MTU request from VF
• 9948170 bpf: Set mac_len in bpf_skb_change_head
• 24cb8bb bpf, offload: Reorder offload callback 'prepare' in verifier
• 78d5f41 ASoC: cs35l33: fix an error code in probe()
• d29df5f staging: emxx_udc: fix loop in _nbu2ss_nuke()
• 02f0388 cxgb4: avoid accessing registers when clearing filters
• a521251 iommu/vt-d: Use user privilege for RID2PASID translation
• a663c1e net: hns3: put off calling register_netdev() until client initialize complete
• 09867c5 net: hns3: fix incorrect resp_msg issue
• 815eb57 iommu/virtio: Add missing MODULE_DEVICE_TABLE
• 8e534c9 gve: Correct SKB queue index validation.
• 48f4dde gve: Upgrade memory barrier in poll routine
• da21a35 gve: Add NULL pointer checks when freeing irqs.
• 7114438 gve: Update mgmt_msix_idx if num_ntfy changes
• b6ef5bf gve: Check TX QPL was actually assigned
• 8b2cdc0 net/smc: remove device from smcd_dev_list after failed device_add()
• beb39ad mld: fix panic in mld_newpack()
• 7e31bcb bnxt_en: Fix context memory setup for 64K page size.
• 4ebb03c bnxt_en: Include new P5 HV definition in VF check.
• 8f79356 net: bnx2: Fix error return code in bnx2_init_board()
• 8eaca8d net: hso: check for allocation failure in hso_create_bulk_serial_device()
• f9fc21e net: sched: fix tx action reschedule issue with stopped queue
• 2f23d5b net: sched: fix tx action rescheduling issue during deactivation
• 21c7151 net: sched: fix packet stuck problem for lockless qdisc
• 60e2193 tls splice: check SPLICE_F_NONBLOCK instead of MSG_DONTWAIT
• 886dd7f openvswitch: meter: fix race when getting now_ms.
• b96adbf cxgb4/ch_ktls: Clear resources when pf4 device is removed
• ada298f net: mdio: octeon: Fix some double free issues
• 4bd833b net: mdio: thunder: Fix a double free issue in the .remove function
• 4246f7d chelsio/chtls: unlock on error in chtls_pt_recvmsg()
• 8ee7ef4 net: fec: fix the potential memory leak in fec_enet_init()
• 9c38601 net: packetmmap: fix only tx timestamp on request
• 1f1b431 net: really orphan skbs tied to closing sk
• f5da082 spi: Assume GPIO CS active high in ACPI case
• cd37040 vfio-ccw: Check initialized flag in cp_init()
• ee67cbc net: ipa: memory region array is variable size
• bf5c8f9 net: stmmac: Fix MAC WoL not working if PHY does not support WoL
• 95cfa6c ASoC: cs42l42: Regmap must use_single_read/write
• 211c5d1 interconnect: qcom: Add missing MODULE_DEVICE_TABLE
• 4e3cea8 interconnect: qcom: bcm-voter: add a missing of_node_put()
• d7932e6 net: dsa: fix error code getting shifted with 4 in dsa_slave_get_sset_count
• d5b0a15 net: netcp: Fix an error message
• 1354ec8 linux/bits.h: fix compilation error with GENMASK
• b0f5d48 block: fix a race between del_gendisk and BLKRRPART
• ff945d0 platform/x86: touchscreen_dmi: Add info for the Chuwi Hi10 Pro (CWI529) tablet
• 5fbc70e drm/amdgpu: stop touching sched.ready in the backend
• 4951dd4 drm/amd/amdgpu: fix a potential deadlock in gpu reset
• f98cdf0 drm/amdgpu: Fix a use-after-free
• 9fdb8ed drm/amd/amdgpu: fix refcount leak
• 07ab4df drm/amd/display: Disconnect non-DP with no EDID
• 530baa6 SMB3: incorrect file id in requests compounded with open
• 518457d platform/x86: touchscreen_dmi: Add info for the Mediacom Winpad 7.0 W700 tablet
• c5bda3a platform/x86: intel_punit_ipc: Append MODULE_DEVICE_TABLE for ACPI
• fe156a6 platform/x86: hp-wireless: add AMD's hardware id to the supported list
• 7e13db5 btrfs: do not BUG_ON in link_to_fixup_dir
• 88f566b btrfs: release path before starting transaction when cloning inline extent
• 8eaa762 scsi: pm80xx: Fix drives missing during rmmod/insmod loop
• 71084e2 openrisc: Define memory barrier mb
• 6384103 scsi: BusLogic: Fix 64-bit system enumeration error for Buslogic
• d644642 scsi: ufs: ufs-mediatek: Fix power down spec violation
• c7e0c60 btrfs: return whole extents in fiemap
• df451ea brcmfmac: properly check for bus register errors
• f0044d1 Revert "brcmfmac: add a check for the status of usb_register"
• 43e6b2e net: liquidio: Add missing null pointer checks
• e6fbd9f Revert "net: liquidio: fix a NULL pointer dereference"
• 32aba71 media: gspca: properly check for errors in po1030_probe()
• 3d8ac40 Revert "media: gspca: Check the return value of write_bridge for timeout"
• 9ffea48 media: gspca: mt9m111: Check write_bridge for timeout
• e4bb3db Revert "media: gspca: mt9m111: Check write_bridge for timeout"
• 9fd73df media: dvb: Add check on sp8870_readreg return
• 7dae0ca Revert "media: dvb: Add check on sp8870_readreg"
• 3bf09ab ASoC: cs43130: handle errors in cs43130_probe() properly
• ce333cc Revert "ASoC: cs43130: fix a NULL pointer dereference"
• 7fe86d9 libertas: register sysfs groups properly
• bf2b6ff Revert "libertas: add checks for the return value of sysfs_create_group"
• e04f1a7 dmaengine: qcom_hidma: comment platform_driver_register call
• 611640b Revert "dmaengine: qcom_hidma: Check for driver register failure"
• d9029b1 isdn: mISDN: correctly handle ph_info allocation failure in hfcsusb_ph_info
• fb278d3 Revert "isdn: mISDN: Fix potential NULL pointer dereference of kzalloc"
• 34f4c20 ath6kl: return error code in ath6kl_wmi_set_roam_lrssi_cmd()
• 7e0dc2e Revert "ath6kl: return error code in ath6kl_wmi_set_roam_lrssi_cmd()"
• 576675c isdn: mISDNinfineon: check/cleanup ioremap failure correctly in setup_io
• 9410622 Revert "isdn: mISDNinfineon: fix potential NULL pointer dereference"
• 1f88661 Revert "ALSA: usx2y: Fix potential NULL pointer dereference"
• 95886db Revert "ALSA: gus: add a check of the status of snd_ctl_add"
• c8972b1 char: hpet: add checks after calling ioremap
• 0f4e71f Revert "char: hpet: fix a missing check of ioremap"
• 4d2b8fc net: caif: remove BUG_ON(dev == NULL) in caif_xmit
• 8b5bd5b Revert "net: caif: replace BUG_ON with recovery code"
• 62c2472 net/smc: properly handle workqueue allocation failure
• 83d4efe Revert "net/smc: fix a NULL pointer dereference"
• 71723a7 net: fujitsu: fix potential null-ptr-deref
• b67c3d7 Revert "net: fujitsu: fix a potential NULL pointer dereference"
• 52610c1 serial: max310x: unregister uart driver in case of failure and abort
• f7d0b85 Revert "serial: max310x: pass return value of spi_register_driver"
• 6bbcc12 Revert "ALSA: sb: fix a missing check of snd_ctl_add"
• 870a113 Revert "media: usb: gspca: add a missed check for goto_low_power"
• dac2dde Revert "crypto: cavium/nitrox - add an error message to explain the failure of pci_request_mem_regions"
• 2bfa3ab gpio: cadence: Add missing MODULE_DEVICE_TABLE
• 515181e platform/x86: hp_accel: Avoid invoking _INI to speed up resume
• 3267a06 mptcp: fix data stream corruption
• deeb7d8 mptcp: drop unconditional pr_warn on bad opt
• 71227b6 mptcp: avoid error message on infinite mapping
• cb554bb nvmet-tcp: fix inline data size comparison in nvmet_tcp_queue_response
• e31975c perf jevents: Fix getting maximum number of fds
• ee8a8dd afs: Fix the nlink handling of dir-over-dir rename
• ce23a0a i2c: sh_mobile: Use new clock calculation formulas for RZ/G2E
• b523feb i2c: i801: Don't generate an interrupt on bus reset
• 87f18aa i2c: mediatek: Disable i2c start_en and clear intr_stat brfore reset
• eff3c5b i2c: s3c2410: fix possible NULL pointer deref on read message after write
• 935c944 net: dsa: sja1105: fix VL lookup command packing for P/Q/R/S
• 83999bf net: dsa: sja1105: call dsa_unregister_switch when allocating memory fails
• dd8609f net: dsa: sja1105: add error handling in sja1105_setup()
• 4a368bc net: dsa: sja1105: error out on unsupported PHY mode
• 4ef506c net: dsa: sja1105: use 4095 as the private VLAN for untagged traffic
• 6f4b792 net: dsa: sja1105: update existing VLANs from the bridge VLAN list
• caff86f net: dsa: fix a crash if ->get_sset_count() fails
• b91117b net: dsa: mt7530: fix VLAN traffic leaks
• 6d6bc8c netfilter: flowtable: Remove redundant hw refresh bit
• fe6921e spi: spi-fsl-dspi: Fix a resource leak in an error handling path
• 6da24cf tipc: skb_linearize the head skb when reassembling msgs
• 5195ec5 tipc: wait and exit until all work queues are done
• 0aa2212 Revert "net:tipc: Fix a double free in tipc_sk_mcast_rcv"
• 5343fcf SUNRPC in case of backlog, hand free slots directly to waiting task
• 5dc9055 net/mlx5: Set term table as an unmanaged flow table
• 143154a net/mlx4: Fix EEPROM dump support
• 2e4b0b9 net/mlx5e: Fix null deref accessing lag dev
• cb6cc62 net/mlx5: Set reformat action when needed for termination rules
• 2dde54e net/mlx5e: Fix nullptr in add_vlan_push_action()
• 89a0e38 {net,vdpa}/mlx5: Configure interface MAC into mpfs L2 table
• bbd00c4 net/mlx5e: Fix error path of updating netdev queues
• 02a8da4 net/mlx5e: Fix multipath lag activation
• fc41e45 net/mlx5e: reset XPS on error flow if netdev isn't registered yet
• d66083c drm/meson: fix shutdown crash when component not probed
• 92db126 NFSv4: Fix v4.0/v4.1 SEEK_DATA return -ENOTSUPP when set NFS_V4_2 config
• 7087db9 NFS: Don't corrupt the value of pg_bytes_written in nfs_do_recoalesce()
• ee21cd3 NFS: Fix an Oopsable condition in __nfs_pageio_add_request()
• 9b367fe NFS: fix an incorrect limit in filelayout_decode_layout()
• 1fbbcd1 fs/nfs: Use fatal_signal_pending instead of signal_pending
• 1b364f8 Bluetooth: cmtp: fix file refcount when cmtp_attach_device fails
• 635ac38 net: usb: fix memory leak in smsc75xx_bind
• 77c6f2b usb: typec: mux: Fix matching with typec_altmode_desc
• bd4caf5 usb: gadget: udc: renesas_usb3: Fix a race in usb3_start_pipen()
• adccf17 usb: dwc3: gadget: Properly track pending and queued SG
• a40b07a thermal/drivers/intel: Initialize RW trip to THERMAL_TEMP_INVALID
• bfd46c0 USB: serial: pl2303: add device id for ADLINK ND-6530 GC
• 7947944 USB: serial: ftdi_sio: add IDs for IDS GmbH Products
• f9a5cbd USB: serial: option: add Telit LE910-S1 compositions 0x7010, 0x7011
• 682437d USB: serial: ti_usb_3410_5052: add startech.com device id
• 6a931ce serial: rp2: use 'request_firmware' instead of 'request_firmware_nowait'
• e955711 serial: sh-sci: Fix off-by-one error in FIFO threshold register setting
• 604c654 serial: tegra: Fix a mask operation that is always true
• d007150 drivers: base: Fix device link removal
• 8d83f10 USB: usbfs: Don't WARN about excessively large memory allocations
• bc439b4 Revert "irqbypass: do not start cons/prod when failed connect"
• b98a038 USB: trancevibrator: fix control-request direction
• ae46660 serial: 8250_pci: handle FL_NOIRQ board flag
• 60f9e33 serial: 8250_pci: Add support for new HPE serial device
• a4a2613 serial: 8250_dw: Add device HID for new AMD UART controller
• 595505f serial: 8250: Add UART_BUG_TXRACE workaround for Aspeed VUART
• 023cd91 iio: adc: ad7192: handle regulator voltage error first
• 885fbd6 iio: adc: ad7192: Avoid disabling a clock that was never enabled.
• e07d428 iio: adc: ad7793: Add missing error code in ad7793_setup()
• bd29833 iio: adc: ad7923: Fix undersized rx buffer.
• f701228 iio: adc: ad7124: Fix potential overflow due to non sequential channel numbers
• fbb02b5 iio: adc: ad7124: Fix missbalanced regulator enable / disable on error.
• dceb4ec iio: adc: ad7768-1: Fix too small buffer passed to iio_push_to_buffers_with_timestamp()
• a78238f iio: dac: ad5770r: Put fwnode in error case during ->probe()
• 6192897 iio: gyro: fxas21002c: balance runtime power in error path
• 0239a37 staging: iio: cdc: ad7746: avoid overwrite of num_channels
• ead51af mei: request autosuspend after sending rx flow control
• 3128387 KVM: arm64: Prevent mixed-width VM creation
• bb2e3ad KVM: X86: Fix vCPU preempted state from guest's point of view
• 439a0b0 thunderbolt: dma_port: Fix NVM read buffer bounds and offset issue
• 1b4a654 thunderbolt: usb4: Fix NVM read buffer bounds and offset issue
• 5394ae9 misc/uss720: fix memory leak in uss720_probe
• 1a2494c serial: core: fix suspicious security_locked_down() call
• b71781c seccomp: Refactor notification handler to prepare for new semantics
• a160cab Documentation: seccomp: Fix user notification documentation
• adfe1d0 kgdb: fix gcc-11 warnings harder
• eeb3f0b selftests/gpio: Fix build when source tree is read only
• 008f98f selftests/gpio: Move include of lib.mk up
• beac83e selftests/gpio: Use TEST_GEN_PROGS_EXTENDED
• 1cdabf9 drm/amdgpu/jpeg2.0: add cancel_delayed_work_sync before power gate
• bed5cc6 drm/amdgpu/vcn2.5: add cancel_delayed_work_sync before power gate
• efd47c9 drm/amdgpu/vcn2.0: add cancel_delayed_work_sync before power gate
• 01abf69 drm/amdkfd: correct sienna_cichlid SDMA RLC register offset error
• 2e4f262 drm/amdgpu/vcn1: add cancel_delayed_work_sync before power gate
• e3a662e drm/amd/pm: correct MGpuFanBoost setting
• 1a8ecc3 dm snapshot: properly fix a crash when an origin has no snapshots
• cc5d84b ath11k: Clear the fragment cache during key install
• 8135f46 ath10k: Validate first subframe of A-MSDU before processing the list
• 6643b21 ath10k: Fix TKIP Michael MIC verification for PCIe
• c4d5271 ath10k: drop MPDU which has discard flag set by firmware for SDIO
• 425cee6 ath10k: drop fragments with multicast DA for SDIO
• b1b3dcd ath10k: drop fragments with multicast DA for PCIe
• c17b3e1 ath10k: add CCMP PN replay protection for fragmented frames for PCIe
• 6abcc01 mac80211: extend protection against mixed key and fragment cache attacks
• 2b9b07b mac80211: do not accept/forward invalid EAPOL frames
• bf710b6 mac80211: prevent attacks on TKIP/WEP as well
• e64ea05 mac80211: check defrag PN against current frame
• f51fe83 mac80211: add fragment cache to sta_info
• 9b21fca mac80211: drop A-MSDUs on old ciphers
• c730d72 cfg80211: mitigate A-MSDU aggregation attacks
• e3561d5 mac80211: properly handle A-MSDUs that start with an RFC 1042 header
• 42d98e0 mac80211: prevent mixed key and fragment cache attacks
• f7829b0 mac80211: assure all fragments are encrypted
• b1f45a2 netfilter: nft_set_pipapo_avx2: Add irq_fpu_usable() check, fallback to non-AVX2 version
• e6294c0 net/sched: fq_pie: fix OOB access in the traffic path
• e583eb5 net/sched: fq_pie: re-factor fix for fq_pie endless loop
• 47da4f6 net: hso: fix control-request directions
• fb003a1 proc: Check /proc/$pid/attr/ writes against file opener
• 03b777c perf scripts python: exported-sql-viewer.py: Fix warning display
• 76b6c5a perf scripts python: exported-sql-viewer.py: Fix Array TypeError
• 07f7694 perf scripts python: exported-sql-viewer.py: Fix copy to clipboard from Top Calls by elapsed Time report
• 7285b92 perf intel-pt: Fix transaction abort handling
• ce3ea6b perf intel-pt: Fix sample instruction bytes
• f011343 iommu/vt-d: Fix sysfs leak in alloc_iommu()
• f989065 NFSv4: Fix a NULL pointer dereference in pnfs_mark_matching_lsegs_return()
• 3e5b48d cifs: set server->cipher_type to AES-128-CCM for SMB3.0
• 020b6b0 ALSA: usb-audio: scarlett2: Improve driver startup messages
• 9a75ed5 ALSA: usb-audio: scarlett2: Fix device hang with ehci-pci
• 7b42f41 ALSA: hda/realtek: fix mute/micmute LEDs and speaker for HP Zbook Fury 17 G8
• 7573b58 ALSA: hda/realtek: fix mute/micmute LEDs and speaker for HP Zbook Fury 15 G8
• b8cd716 ALSA: hda/realtek: fix mute/micmute LEDs and speaker for HP Zbook G8
• 8ffce2b ALSA: hda/realtek: fix mute/micmute LEDs for HP 855 G8
• 7906018 ALSA: hda/realtek: Chain in pop reduction fixup for ThinkStation P340
• 2f0f8e0 ALSA: hda/realtek: Headphone volume is controlled by Front mixer
• 8ca63ce ALSA: hda/realtek: the bass speaker can't output sound on Yoga 9i

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Download Linux 5.10.42-xanmod1 source from GitHub