A new XanMod Linux Kernel based on Linux Kernel 5.15.25 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 5.15.25-xanmod1

c7a9be0 Linux 5.15.25-xanmod1
fff925d Merge tag 'v5.15.25' into 5.15
1e7beca Linux 5.15.25
5dcc365 lockdep: Correct lock_classes index mapping
c2df4c6 i2c: brcmstb: fix support for DSL and CM variants
ec7d87b ice: enable parsing IPSEC SPI headers for RSS
0b4ea5b scsi: qedi: Fix ABBA deadlock in qedi_process_tmf_resp() and qedi_process_cmd_cleanup_resp()
795feaf copy_process(): Move fd_install() out of sighand->siglock critical section
3e41445 dmaengine: ptdma: Fix the error handling path in pt_core_init()
8641ceb i2c: qcom-cci: don't put a device tree node before i2c_add_adapter()
7512f91 i2c: qcom-cci: don't delete an unregistered adapter
0527072 tests: fix idmapped mount_setattr test
6b186a2 dmaengine: sh: rcar-dmac: Check for error num after dma_set_max_seg_size
4f3a073 dmaengine: stm32-dmamux: Fix PM disable depth imbalance in stm32_dmamux_probe
62e228e dmaengine: sh: rcar-dmac: Check for error num after setting mask
f4a821b net: sched: limit TC_ACT_REPEAT loops
2b2be95 ucounts: Move RLIMIT_NPROC handling after set_user
b5f949d rlimit: Fix RLIMIT_NPROC enforcement failure caused by capability calls in set_user
114e9f1 lib/iov_iter: initialize "flags" in new pipe_buffer
2d2d92c ucounts: Enforce RLIMIT_NPROC not RLIMIT_NPROC+1
efc853d ucounts: Base set_cred_ucounts changes on the real user
f418bfa ucounts: In set_cred_ucounts assume new->ucounts is non-NULL
d464492 ucounts: Handle wrapping in is_ucounts_overlimit
e1e2669 EDAC: Fix calculation of returned address and next offset in edac_align_ptr()
e6da726 scsi: lpfc: Fix pt2pt NVMe PRLI reject LOGO loop
3f2bc7f kconfig: fix failing to generate auto.conf
88289d5 net: macb: Align the dma and coherent dma masks
b501b0f net: usb: qmi_wwan: Add support for Dell DW5829e
1ddab2e drm/amd/display: fix yellow carp wm clamping
929b2ed drm/amd/display: Cap pflip irqs per max otg number
3fd92f5 display/amd: decrease message verbosity about watermarks table failure
eb61dbb tracing: Fix tp_printk option related with tp_printk_stop_on_boot
8932979 drm/rockchip: dw_hdmi: Do not leave clock enabled in error case
9921c86 xprtrdma: fix pointer derefs in error cases of rpcrdma_ep_create
b5caba5 soc: aspeed: lpc-ctrl: Block error printing on probe defer cases
71720ca ata: libata-core: Disable TRIM on M88V29
62542c5 kconfig: let 'shell' return enough output for deep path names
0044583 ACPI: PM: Revert "Only mark EC GPE for wakeup on Intel systems"
246dfbc mm: io_uring: allow oom-killer from io_uring_setup
54d69f0 selftests: fixup build warnings in pidfd / clone3 tests
fc6d187 pidfd: fix test failure due to stack overflow on some arches
9659711 arm64: dts: meson-g12: drop BL32 region from SEI510/SEI610
42b3092 arm64: dts: meson-g12: add ATF BL32 reserved-memory region
de3b10b arm64: dts: meson-gx: add ATF BL32 reserved-memory region
5644bf6 ksmbd: don't align last entry offset in smb2 query directory
03dd71e ksmbd: fix same UniqueId for dot and dotdot entries
7afed8b netfilter: conntrack: don't refresh sctp entries in closed state
f7b95b3 x86/bug: Merge annotate_reachable() into _BUG_FLAGS() asm
c4315bf irqchip/sifive-plic: Add missing thead,c900-plic match string
459b97c phy: phy-mtk-tphy: Fix duplicated argument in phy-mtk-tphy
993db6d staging: vc04_services: Fix RCU dereference check
6a469cf phy: usb: Leave some clocks running during suspend
9492e1e ARM: OMAP2+: adjust the location of put_device() call in omapdss_init_of
1587d6b ARM: OMAP2+: hwmod: Add of_node_put() before break
5f45f96 KVM: x86/pmu: Use AMD64_RAW_EVENT_MASK for PERF_TYPE_RAW
0d3b91d KVM: x86/pmu: Don't truncate the PerfEvtSeln MSR when creating a perf event
d8110cb KVM: x86/pmu: Refactoring find_arch_event() to pmc_perf_hw_id()
c377e2b Drivers: hv: vmbus: Fix memory leak in vmbus_add_channel_kobj
6936f02 mtd: rawnand: ingenic: Fix missing put_device in ingenic_ecc_get
de0d102 HID: elo: fix memory leak in elo_probe
ffe36e3 mtd: rawnand: brcmnand: Fixed incorrect sub-page ECC status
9fd00a5 mtd: phram: Prevent divide by zero bug in phram_setup()
3eb5185 mtd: parsers: qcom: Fix missing free for pparts in cleanup
eb03cb6 mtd: parsers: qcom: Fix kernel panic on skipped partition
502f86f mtd: rawnand: qcom: Fix clock sequencing in qcom_nandc_probe()
e65450a block: fix surprise removal for drivers calling blk_set_queue_dying
e1dce8e tty: n_tty: do not look ahead for EOL character past the end of the buffer
2116583 NFS: Do not report writeback errors in nfs_getattr()
f1322f1 NFS: LOOKUP_DIRECTORY is also ok with symlinks
f2238b4 NFS: Remove an incorrect revalidation in nfs4_update_changeattr_locked()
4b9c861 block/wbt: fix negative inflight counter when remove scsi device
a22b213 ASoC: qcom: Actually clear DMA interrupt register for HDMI
ce3e1f8 ASoC: tas2770: Insert post reset delay
493c9e8 scsi: ufs: Fix a deadlock in the error handler
2af0fdf scsi: ufs: Remove dead code
84c1096 tipc: fix wrong notification node addresses
727dd33 smb3: fix snapshot mount option
4a7ec50 mtd: rawnand: gpmi: don't leak PM reference in error path
45948a4 powerpc/lib/sstep: fix 'ptesync' build error
0e0b570 powerpc/603: Fix boot failure with DEBUG_PAGEALLOC and KFENCE
68b8924 cifs: fix set of group SID via NTSD xattrs
b4b8e7a ASoC: ops: Fix stereo change notifications in snd_soc_put_xr_sx()
312d807 ASoC: ops: Fix stereo change notifications in snd_soc_put_volsw_sx()
ed1e33f ASoC: ops: Fix stereo change notifications in snd_soc_put_volsw_range()
edb43ae ASoC: ops: Fix stereo change notifications in snd_soc_put_volsw()
900d37d ALSA: hda: Fix missing codec probe on Shenker Dock 15
f9d9574 ALSA: hda: Fix regression on forced probe mask option
3b6134e ALSA: hda/realtek: Fix deadlock by COEF mutex
a562de3 ALSA: hda/realtek: Add quirk for Legion Y9000X 2019
2c9a7e1 ALSA: usb-audio: revert to IMPLICIT_FB_FIXED_DEV for M-Audio FastTrack Ultra
7285daa arm64: Correct wrong label in macro __init_el2_gicv3
b04dcc0 selftests/exec: Add non-regular to TEST_GEN_PROGS
bf4161e perf bpf: Defer freeing string after possible strlen() on it
e8ba5b0 net: bridge: multicast: notify switchdev driver whenever MC processing gets disabled
6b1c9f9 dpaa2-eth: Initialize mutex used in one step timestamping path
d3c9dd3 dpaa2-switch: fix default return of dpaa2_switch_flower_parse_mirror_key
1a16f04 tipc: fix wrong publisher node address in link publications
868366d atl1c: fix tx timeout after link flap on Mikrotik 10/25G NIC
0e67275 net: phy: mediatek: remove PHY mode check on MT7531
7de7ba7 net/smc: Avoid overwriting the copies of clcsock callback functions
f8ba235 libsubcmd: Fix use-after-free for realloc(..., 0)
4c9f207 bonding: fix data-races around agg_select_timer
9bb363b net_sched: add __rcu annotation to netdev->qdisc
3077976 drop_monitor: fix data-race in dropmon_net_event / trace_napi_poll_hit
bdb6df9 bonding: force carrier update when releasing slave
b9ff566 ping: fix the dif and sdif check in ping_lookup
392c424 net: ieee802154: ca8210: Fix lifs/sifs periods
4b27446 net: dsa: lan9303: add VLAN IDs to master device
860c5c2 net: dsa: lan9303: handle hwaccel VLAN tags
df2495f net: dsa: lantiq_gswip: fix use after free in gswip_remove()
2566a89 net: dsa: mv88e6xxx: flush switchdev FDB workqueue before removing VLAN
d8905a4 net: dsa: lan9303: fix reset on probe
241e633 cfg80211: fix race in netlink owner interface destruction
c4caf72 brcmfmac: firmware: Fix crash in brcm_alt_fw_path
00fb850 mac80211: mlme: check for null after calling kmemdup
61e8fc4 Revert "net: ethernet: bgmac: Use devm_platform_ioremap_resource_byname"
d51cd64 ipv6: per-netns exclusive flowlabel checks
3e11ef1 ipv6: mcast: use rcu-safe version of ipv6_get_lladdr()
9ed2518 ipv6: fix data-race in fib6_info_hw_flags_set / fib6_purge_rt
db33369 ipv4: fix data races in fib_alias_hw_flags_set
5dc653e selftests: netfilter: disable rp_filter on router
2035d13 netfilter: nft_synproxy: unregister hooks on init error path
a1d9e1f selftests: netfilter: fix exit value for nft_concat_range
b10f4b0 iwlwifi: mvm: don't send SAR GEO command for 3160 devices
c448b05 iwlwifi: pcie: gen2: fix locking when "HW not ready"
78cd5c0 iwlwifi: pcie: fix locking when "HW not ready"
79bdf56 drm/i915/ttm: tweak priority hint selection
e477840 drm/i915/gvt: Make DRM_I915_GVT depend on X86
02f7d38 drm/cma-helper: Set VM_DONTEXPAND for mmap
787468e vsock: remove vsock from connected table when connect is interrupted by a signal
fe802b3 drm/i915: Fix mbus join config lookup
34f5556 drm/i915: Fix dbuf slice config lookup
d006f2f drm/i915/opregion: check port number bounds for SWSCI display power state
960c8a5 drm/amdgpu: skipping SDMA hw_init and hw_fini for S0ix.
3851046 drm/amd/pm: correct the sequence of sending gpu reset msg
a1596e0 drm/atomic: Don't pollute crtc_state->mode_blob with error pointers
68f3a42 drm/radeon: Fix backlight control on iMac 12,1
ddd4605 iwlwifi: fix use-after-free
8209fed KVM: x86: nSVM: mark vmcb01 as dirty when restoring SMM saved state
74b426b KVM: x86: nSVM: fix potential NULL derefernce on nested migration
417b87c KVM: x86: SVM: don't passthrough SMAP/SMEP/PKE bits in !NPT && !gCR0.PG case
cd14c73 KVM: x86: nSVM/nVMX: set nested_run_pending on VM entry which is a result of RSM
b5c86e7 KVM: x86/xen: Fix runstate updates to be atomic when preempting vCPU
b16817a random: wake up /dev/random writers after zap
effdcc2 gcc-plugins/stackleak: Use noinstr in favor of notrace
0a01326 Revert "module, async: async_synchronize_full() on module init iff async is used"
769a6b3 x86/Xen: streamline (and fix) PV CPU enumeration
0fec53c drm/amdgpu: fix logic inversion in check
38108fd drm/amd: Only run s3 or s0ix if system is configured properly
72808bb drm/amd: add support to check whether the system is set to s3
0ceba4d net: sparx5: do not refer to skb after passing it on
646952b nvme-rdma: fix possible use-after-free in transport error_recovery work
5e42fca nvme-tcp: fix possible use-after-free in transport error_recovery work
e043fb5 nvme: fix a possible use-after-free in controller reset during load
64519c9 drm/amd: Warn users about potential s0ix problems
d9d93f3 scsi: pm8001: Fix use-after-free for aborted SSP/STP sas_task
3c334cd scsi: pm8001: Fix use-after-free for aborted TMF sas_task
f2c5866 scsi: core: Reallocate device's budget map on queue depth change
46756cc kselftest: Fix vdso_test_abi return status
3801775 scsi: pm80xx: Fix double completion for SATA devices
64d6f76 quota: make dquot_quota_sync return errors from ->sync_fs
38f22c7 vfs: make freeze_super abort when sync_filesystem returns error
5d3e1af pinctrl: bcm63xx: fix unmet dependency on REGMAP for GPIO_REGMAP
4c958f0 ax25: improve the incomplete fix to avoid UAF and NPD bugs
bced176 selftests: skip mincore.check_file_mmap when fs lacks needed support
7d10b67 selftests: openat2: Skip testcases that fail with EOPNOTSUPP
04542fd selftests: openat2: Add missing dependency in Makefile
a613105 selftests: openat2: Print also errno in failure messages
16d28de selftests/zram: Adapt the situation that /dev/zram0 is being used
9172557 selftests/zram01.sh: Fix compression ratio calculation
586ec7c selftests/zram: Skip max_comp_streams interface on newer kernel
23b2a25 net: ieee802154: at86rf230: Stop leaking skb's
c99068d kselftest: signal all child processes
eb3b353 selftests: rtc: Increase test timeout so that all tests run
ec1d9bb kunit: tool: Import missing importlib.abc
fdad28f platform/x86: ISST: Fix possible circular locking dependency detected
54688a5 platform/x86: touchscreen_dmi: Add info for the RWC NANOTE P8 AY07J 2-in-1
7e234c4 btrfs: send: in case of IO error log it
94e76b3 parisc: Add ioread64_lo_hi() and iowrite64_lo_hi()
c7a4b1d PCI: hv: Fix NUMA node assignment when kernel boots with custom NUMA topology
7da6ba1 HID: amd_sfh: Correct the structure field name
6b75f5c HID: amd_sfh: Increase sensor command timeout
bdbc65e HID: i2c-hid: goodix: Fix a lockdep splat
6451058 HID: amd_sfh: Add illuminance mask to limit ALS max value
b3dc4b9 mm: don't try to NUMA-migrate COW pages that have other uses
f3ff5f7 mmc: block: fix read single on recovery logic
5b6e29b parisc: Fix sglist access in ccio-dma.c
8c8e949 parisc: Fix data TLB miss in sba_unmap_sg
9413b2e parisc: Drop __init from map_pages declaration
35c955b serial: parisc: GSC: fix build when IOSAPIC is not set
7a25d82 parisc: Show error if wrong 32/64-bit compiler is being used
9750d45 Revert "svm: Add warning message for AVIC IPI invalid target"
65ad2f6 HID:Add support for UGTABLET WP5540
06bd0f1 scsi: lpfc: Fix mailbox command failure during driver initialization
ae6ca63 btrfs: zoned: cache reported zone during mount
a8dd0cf fs/proc: task_mmu.c: don't read mapcount for migration entry
f0a60c7 drm/nouveau/pmu/gm200-: use alternate falcon reset sequence


Homepage
Download Linux 5.15.25-xanmod1 source from GitHub