A new XanMod Linux Kernel based on the latest Linux Kernel 5.11.12 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 5.11.12-xanmod1

• f545eb5 Linux 5.11.12-xanmod1
• 961e344 Revert "sched/core: nr_migrate = 256 increases number of tasks to iterate in a single balance run."
• 84753c5 Merge tag 'v5.11.12' into 5.11
• fe0d27d Linux 5.11.12
• 91a4e81 Revert "net: bonding: fix error return code of bond_neigh_init()"
• a73c62a Revert "kernel: freezer should treat PF_IO_WORKER like PF_KTHREAD for freezing"
• d1f9651 io_uring: do ctx sqd ejection in a clear context
• bb4f97a riscv: evaluate put_user() arg before enabling user access
• 4095574 drivers: video: fbcon: fix NULL dereference in fbcon_cursor()
• 9e7a663 driver core: clear deferred probe reason on probe retry
• b5fab3a staging: rtl8192e: Change state information from u16 to u8
• c14876c staging: rtl8192e: Fix incorrect source in memcpy()
• 4c0a245 soc: qcom-geni-se: Cleanup the code to remove proxy votes
• 829f5db usb: dwc3: gadget: Clear DEP flags after stop transfers in ep disable
• ac52350 usb: dwc3: qcom: skip interconnect init for ACPI probe
• 79b09e4 usb: dwc2: Prevent core suspend when port connection flag is 0
• 7be498b usb: dwc2: Fix HPRT0.PrtSusp bit setting for HiKey 960 board.
• 7411ca1 usb: gadget: udc: amd5536udc_pci fix null-ptr-dereference
• 3fc31a4 USB: cdc-acm: fix use-after-free after probe failure
• 2439d15 USB: cdc-acm: fix double free on probe failure
• b89a560 USB: cdc-acm: downgrade message to debug
• 826a02e USB: cdc-acm: untangle a circular dependency between callback and softint
• 9343cef cdc-acm: fix BREAK rx code path adding necessary calls
• d8f5fcc usb: xhci-mtk: fix broken streams issue on 0.96 xHCI
• b535807 usb: musb: Fix suspend with devices connected for a64
• b3c49b5 USB: quirks: ignore remote wake-up on Fibocom L850-GL LTE modem
• b324eff usbip: vhci_hcd fix shift out-of-bounds in vhci_hub_control()
• 8936e89 firewire: nosy: Fix a use-after-free bug in nosy_ioctl()
• 96fc113 powerpc/mm/book3s64: Use the correct storage key value when calling H_PROTECT
• d5002b4 video: hyperv_fb: Fix a double free in hvfb_probe
• dfd8a29 usb: dwc3: pci: Enable dis_uX_susphy_quirk for Intel Merrifield
• d276392 powerpc/pseries/mobility: handle premature return from H_JOIN
• 9963dfd powerpc/pseries/mobility: use struct for shared state
• bca42b2 firmware: stratix10-svc: reset COMMAND_RECONFIG_FLAG_PARTIAL to 0
• ec8c8e7 extcon: Fix error handling in extcon_dev_register
• ef523e9 extcon: Add stubs for extcon_register_notifier_all() functions
• 4f242e0 pinctrl: qcom: fix unintentional string concatenation
• a9ee6fb pinctrl: qcom: lpass lpi: use default pullup/strength values
• 4918760 pinctrl: qcom: sc7280: Fix SDC1_RCLK configurations
• c1fd5af pinctrl: qcom: sc7280: Fix SDC_QDSD_PINGROUP and UFS_RESET offsets
• 7274dd0 pinctrl: rockchip: fix restore error in resume
• 2734474 pinctrl: microchip-sgpio: Fix wrong register offset for IRQ trigger
• 7bf09c1 vfio/nvlink: Add missing SPAPR_TCE_IOMMU depends
• f3eb579 drm/tegra: sor: Grab runtime PM reference across reset
• 68542bd drm/tegra: dc: Restore coupling of display controllers
• 3f86a8e drm/imx: fix memory leak when fails to init
• 76458eb reiserfs: update reiserfs_xattrs_initialized() condition
• ca168fa drm/amdgpu: check alignment on CPU page for bo map
• 91f2477 drm/amdgpu: Set a suitable dev_info.gart_page_size
• 28903eb drm/amdgpu: fix offset calculation in amdgpu_vm_bo_clear_mappings()
• fabbaba drm/amdgpu/vangogh: don't check for dpm in is_dpm_running when in suspend
• cb300f3 drm/amd/pm: no need to force MCLK to highest when no display connected
• e812976 drm/amdkfd: dqm fence memory corruption
• ce292c9 mm: fix race by making init_zero_pfn() early_initcall
• 8ab963b drm/ttm: make ttm_bo_unpin more defensive
• 359841c s390/vdso: fix tod_steering_delta type
• c983f0b s390/vdso: copy tod_steering_delta value to vdso_data page
• 9a48524 tracing: Fix stack trace event size
• d0c5378 PM: runtime: Fix ordering in pm_runtime_get_suppliers()
• 2a59577 PM: runtime: Fix race getting/putting suppliers at probe
• efb56c5 KVM: SVM: ensure that EFER.SVME is set when running nested guest or on nested vmexit
• c908049 KVM: SVM: load control fields from VMCB12 before checking them
• 5905a12 xtensa: move coprocessor_flush to the .text section
• dfb1cbe xtensa: fix uaccess-related livelock in do_page_fault
• c8b157e ALSA: hda/realtek: fix mute/micmute LEDs for HP 640 G8
• 179029e ALSA: hda/realtek: call alc_update_headset_mode() in hp_automute_hook
• 7ad4bd2 ALSA: hda/realtek: fix a determine_headset_type issue for a Dell AIO
• 74cecb7 ALSA: hda: Add missing sanity checks in PM prepare/complete callbacks
• 216d853 ALSA: hda: Re-add dropped snd_poewr_change_state() calls
• b1ad37b ALSA: usb-audio: Apply sample rate quirk to Logitech Connect
• 440b4aa ACPI: scan: Fix _STA getting called on devices with unmet dependencies
• da38248 ACPI: processor: Fix CPU0 wakeup in acpi_idle_play_dead()
• 060aed7 ACPI: tables: x86: Reserve memory occupied by ACPI tables
• 70e923f bpf: Remove MTU check in __bpf_skb_max_len
• db49a8a net: 9p: advance iov on empty read
• 2f4b1d9 net: wan/lmc: unregister device when no matching device is found
• bf30fa1 net: ipa: fix register write command validation
• 48570ab net: ipa: use a separate pointer for adjusted GSI memory
• 6cd491c net: ipa: remove two unused register definitions
• b978036 appletalk: Fix skb allocation size in loopback case
• e10999a net: ethernet: aquantia: Handle error cleanup of start on open
• cce51ee ath10k: hold RCU lock when calling ieee80211_find_sta_by_ifaddr()
• 6159f94 iwlwifi: pcie: don't disable interrupts for reg_lock
• cc7e97e netdevsim: dev: Initialize FIB module after debugfs
• 367ad7f rtw88: coex: 8821c: correct antenna switch function
• 48b8b6a ath11k: add ieee80211_unregister_hw to avoid kernel crash caused by NULL pointer
• ef46db0 brcmfmac: clear EAP/association status bits on linkdown events
• 8af9b16 can: tcan4x5x: fix max register value
• 5d3ba18 mptcp: fix bit MPTCP_PUSH_PENDING tests
• 8323677 net: bonding: fix error return code of bond_neigh_init()
• 9a958f6 mptcp: fix race in release_cb
• 9634007 net: introduce CAN specific pointer in the struct net_device
• af0a652 can: dev: move driver related infrastructure into separate subdir
• a315637 mptcp: provide subflow aware release function
• c7d6b89 mptcp: fix DATA_FIN processing for orphaned sockets
• aa0ff16 flow_dissector: fix TTL and TOS dissection on IPv4 fragments
• 3020469 mptcp: add a missing retransmission timer scheduling
• 26b7b49 mptcp: init mptcp request socket earlier
• 8523cb3 mptcp: fix poll after shutdown
• c8ad65c mptcp: deliver ssk errors to msk
• d5d8a0f net: mvpp2: fix interrupt mask/unmask skip condition
• 137f475 io_uring: call req_set_fail_links() on short send msg/recv msg with MSG_WAITALL
• 6297325 ext4: do not iput inode under running transaction in ext4_rename()
• 9117da5 static_call: Align static_call_is_init() patching condition
• 914a468 nouveau: Skip unvailable ttm page entries
• c992798 Revert "PM: ACPI: reboot: Use S5 for reboot"
• f4d729e io_uring: imply MSG_NOSIGNAL for send msg/recv msg calls
• 3b3d1db nvmet-tcp: fix kmap leak when data digest in use
• 41bf5bf locking/ww_mutex: Fix acquire/release imbalance in ww_acquire_init()/ww_acquire_fini()
• 714c7a5 locking/ww_mutex: Simplify use_ww_ctx & ww_ctx handling
• 3a822fa thermal/core: Add NULL pointer check before using cooling device stats
• 279f564 ASoC: rt711: add snd_soc_component remove callback
• e5f278d ASoC: rt5659: Update MCLK rate in set_sysclk()
• ee5a017 staging: comedi: cb_pcidas64: fix request_irq() warn
• d116f85 staging: comedi: cb_pcidas: fix request_irq() warn
• dfcd3b0 scsi: qla2xxx: Fix broken #endif placement
• 62a68b8 scsi: st: Fix a use after free in st_open()
• 55aafb4 io_uring: halt SQO submission on ctx exit
• 29bc3de io_uring: fix ->flags races by linked timeouts
• 5913eef vhost: Fix vhost_vq_reset()
• e48fc4d kernel: freezer should treat PF_IO_WORKER like PF_KTHREAD for freezing
• 5539cdc ASoC: mediatek: mt8192: fix tdm out data is valid on rising edge
• 6ceb22f NFSD: fix error handling in NFSv4.0 callbacks
• 232079a ASoC: cs42l42: Always wait at least 3ms after reset
• 50afa98 ASoC: cs42l42: Fix mixer volume control
• a7ed29e ASoC: cs42l42: Fix channel width support
• 9e9ecae ASoC: cs42l42: Fix Bitclock polarity inversion
• 47cf9fd ASoC: soc-core: Prevent warning if no DMI table is present
• eebdf37 ASoC: es8316: Simplify adc_pga_gain_tlv table
• fe07084 ASoC: sgtl5000: set DAP_AVC_CTRL register to correct default value on probe
• eda720c ASoC: rt5651: Fix dac- and adc- vol-tlv values being off by a factor of 10
• e51305d ASoC: rt5640: Fix dac- and adc- vol-tlv values being off by a factor of 10
• 5090e22 ASoC: rt1015: fix i2c communication error
• de53b43 iomap: Fix negative assignment to unsigned sis->pages in iomap_swapfile_activate
• f8b09ac rpc: fix NULL dereference on kmalloc failure
• fbf2a8f fs: nfsd: fix kconfig dependency warning for NFSD_V4
• ebf57bc ext4: fix bh ref count on error paths
• 5bcd6d6 ext4: shrink race window in ext4_should_retry_alloc()
• f2cc031 virtiofs: Fail dax mount if device does not support it
• 44b1615 arm64: mm: correct the inside linear map range during hotplug check

Homepage
Download Linux 5.11.12-xanmod1 source from GitHub