The first XanMod Linux Kernel based on Linux Kernel 6.5.9 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.

Linux 6.5.9-xanmod1

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 6.5.9-xanmod1

• 9d71bfa Linux 6.5.9-xanmod1
• a9a779e Merge tag 'v6.5.9' into 6.5
• d0e4251 Linux 6.5.9
• f879295 selftests: mptcp: join: correctly check for no RST
• 85577dd mptcp: avoid sending RST when closing the initial subflow
• 1978b69 Bluetooth: hci_sock: Correctly bounds check and pad HCI_MON_NEW_INDEX name
• 2a3c9d6 kbuild: remove old Rust docs output path
• 8436370 docs: rust: update Rust docs output path
• 4799357 net: rfkill: reduce data->mtx scope in rfkill_fop_open
• 2ca5210 Bluetooth: hci_sock: fix slab oob read in create_monitor_event
• 5a7b9ca net: move altnames together with the netdevice
• b583bfc efi/unaccepted: Fix soft lockups caused by parallel memory acceptance
• 1a19b73 phy: qcom-qmp-combo: initialize PCS_USB registers
• 5389ae6 phy: qcom-qmp-combo: Square out 8550 POWER_STATE_CONFIG1
• 43196ab phy: qcom-qmp-usb: split PCS_USB init table for sc8280xp and sa8775p
• ddf0004 phy: qcom-qmp-usb: initialize PCS_USB registers
• 2a90676 phy: mapphone-mdm6600: Fix pinctrl_pm handling for sleep pins
• da02a53 phy: mapphone-mdm6600: Fix runtime PM for remove
• 9f35d79 phy: mapphone-mdm6600: Fix runtime disable on probe
• 69cd191 rust: docs: fix logo replacement
• 43f4e8e docs: Move rustdoc output, cross-reference it
• 362a407 powerpc/qspinlock: Fix stale propagated yield_cpu
• 164e66e powerpc/mm: Allow ARCH_FORCE_MAX_ORDER up to 12
• fefac8c drm/amdgpu: Fix possible null pointer dereference
• 935df6c drm/i915/cx0: Only clear/set the Pipe Reset bit of the PHY Lanes Owned
• fa83611 drm/bridge: ti-sn65dsi86: Associate DSI device lifetime with auxiliary device
• f5d0392 ASoC: cs42l42: Fix missing include of gpio/consumer.h
• 2756d83 ASoC: pxa: fix a memory leak in probe()
• 8247e4d ASoC: cs35l56: Fix illegal use of init_completion()
• 9955bc6 gpio: vf610: mask the gpio irq in system suspend and support wakeup
• 96964c1 gpio: vf610: set value before the direction to avoid a glitch
• 204c78f gpiolib: acpi: Add missing memset(0) to acpi_get_gpiod_from_data()
• 0236504 rust: error: fix the description for ECHILD
• 56d2f77 platform/x86: asus-wmi: Map 0x2a code, Ignore 0x2b and 0x2c events
• 119a52c platform/x86: asus-wmi: Only map brightness codes when using asus-wmi backlight control
• 7422c4a platform/x86: asus-wmi: Change ASUS_WMI_BRN_DOWN code from 0x20 to 0x2e
• a3939c1 platform/x86: msi-ec: Fix the 3rd config
• 61ab10a platform/x86: intel-uncore-freq: Conditionally create attribute for read frequency
• 18e77f1 platform/surface: platform_profile: Propagate error if profile registration fails
• 183aff2 s390/cio: fix a memleak in css_alloc_subchannel
• 6ccb89a apple-gmux: Hard Code max brightness for MMIO gmux
• efea19a KEYS: asymmetric: Fix sign/verify on pkcs1pad without a hash
• 3e25a4b selftests/ftrace: Add new test case which checks non unique symbol
• d78936d tracing/kprobes: Return EADDRNOTAVAIL when func matches several symbols
• 9a7f360 s390/pci: fix iommu bitmap allocation
• 20f925d perf: Disallow mis-matched inherited group reads
• 12614cd thunderbolt: Call tb_switch_put() once DisplayPort bandwidth request is finished
• 7cb7903 USB: serial: option: add Fibocom to DELL custom modem FM101R-GL
• d617569 USB: serial: option: add entry for Sierra EM9191 with new firmware
• 0b53c32 USB: serial: option: add Telit LE910C4-WWX 0x1035 composition
• 06a2165 nvme-rdma: do not try to stop unallocated queues
• 7d3641c nvmet-auth: complete a request only after freeing the dhchap pointers
• f660a39 nvme-auth: use chap->s2 to indicate bidirectional authentication
• 38f5ff3 nvme-pci: add BOGUS_NID for Intel 0a54 device
• 2194ee6 nvme: sanitize metadata bounce buffer for reads
• 16b99c6 nfs42: client needs to strip file mode's suid/sgid bit after ALLOCATE op
• 8183b74 NFS: Fix potential oops in nfs_inode_remove_request()
• 4538b3b fanotify: limit reporting of event with non-decodeable file handles
• 62b7f49 Revert "accel/ivpu: Use cached buffers for FW loading"
• 7d6179c perf dlfilter: Fix use of addr_location__exit() in dlfilter__object_code()
• b2c39ae ACPI: bus: Move acpi_arm_init() to the place of after acpi_ghes_init()
• 1418924 ACPI: irq: Fix incorrect return value in acpi_register_gsi()
• dba32ab NFSv4.1: fixup use EXCHGID4_FLAG_USE_PNFS_DS for DS server
• 2f1c0be pNFS/flexfiles: Check the layout validity in ff_layout_mirror_prepare_stats
• 0026f4f pNFS: Fix a hang in nfs4_evict_inode()
• 1e8fa3d Revert "pinctrl: avoid unsafe code pattern in find_pinctrl()"
• 914f9b0 pinctrl: qcom: lpass-lpi: fix concurrent register updates
• 1e3d872 mmc: core: Capture correct oemid-bits for eMMC cards
• 67a5bfc mmc: core: sdio: hold retuning if sdio in 1-bit mode
• 1226f14 mmc: core: Fix error propagation for some ioctl commands
• 3d83022 mmc: mtk-sd: Use readl_poll_timeout_atomic in msdc_reset_hw
• 14eb82d mmc: sdhci-pci-gli: fix LPM negotiation so x86/S0ix SoCs can suspend
• b6aa735 dt-bindings: mmc: sdhci-msm: correct minimum number of clocks
• 81f0c09 mtd: physmap-core: Restore map_rom fallback
• 73df8fc mtd: spinand: micron: correct bitmask for ecc status
• 13d605f mtd: rawnand: Ensure the nand chip supports cached reads
• 2cdca57 mtd: rawnand: arasan: Ensure program page operations are successful
• d20ec8d mtd: rawnand: marvell: Ensure program page operations are successful
• 6225891 mtd: rawnand: pl353: Ensure program page operations are successful
• 42a17fc mtd: rawnand: qcom: Unmap the right resource upon probe failure
• 6f3e86a tcp_bpf: properly release resources on error paths
• 057fabf Bluetooth: hci_event: Fix using memcmp when comparing keys
• 30fa760 tcp: allow again tcp_disconnect() when threads are waiting
• 3d45ae7 net/tls: split tls_rx_reader_lock
• cb9a6db net/mlx5e: Fix VF representors reporting zero counters to "ip -s" command
• 150de4a net/mlx5e: Don't offload internal port if filter device is out device
• 8b7f7be net/mlx5e: Take RTNL lock before triggering netdev notifiers
• f299725 net/mlx5e: XDP, Fix XDP_REDIRECT mpwqe page fragment leaks on shutdown
• 7bef608 net/mlx5e: RX, Fix page_pool allocation failure recovery for legacy rq
• d630fe1 net/mlx5e: RX, Fix page_pool allocation failure recovery for striding rq
• f0fbcbb net/mlx5: Handle fw tracer change ownership event based on MTRC
• dc426bd net/mlx5: E-switch, register event handler before arming the event
• 36eee43 Bluetooth: hci_sync: always check if connection is alive before deleting
• 3b9e2e1 Bluetooth: hci_sync: delete CIS in BT_OPEN/CONNECT/BOUND when aborting
• 8f3a578 Bluetooth: ISO: Fix invalid context error
• 98c78ae Bluetooth: hci_sync: Introduce PTR_UINT/UINT_PTR macros
• d924ba6 Bluetooth: hci_sync: Fix not handling ISO_LINK in hci_abort_conn_sync
• 054dfb8 io-wq: fully initialize wqe before calling cpuhp_state_add_instance_nocalls()
• c63d660 cpufreq: schedutil: Update next_freq when cpufreq_limits change
• 7bfc1d3 platform/x86: touchscreen_dmi: Add info for the Positivo C4128B
• ef80736 HID: Add quirk to ignore the touchscreen battery on HP ENVY 15-eu0556ng
• 8db5b56 HID: nintendo: reinitialize USB Pro Controller after resuming from suspend
• 37640aa HID: multitouch: Add required quirk for Synaptics 0xcd7e device
• ae02f63 drm/amd/pm: add unique_id for gc 11.0.3
• ac0893f platform/x86: touchscreen_dmi: Add info for the BUSH Bush Windows tablet
• 3149ea5 btrfs: error out when reallocating block for defrag using a stale transaction
• 71e385e btrfs: error when COWing block from a root that is being deleted
• 55a0567 btrfs: error out when COWing block using a stale transaction
• 1472a1d btrfs: fix some -Wmaybe-uninitialized warnings in ioctl.c
• 9c91266 drm: panel-orientation-quirks: Add quirk for One Mix 2S
• 0fd1a37 ipv4/fib: send notify when delete source address routes
• 7a0ed30 sky2: Make sure there is at least one frag_addr available
• c2d0245 nfs: decrement nrequests counter before releasing the req
• a6e63b4 SUNRPC/TLS: Lock the lower_xprt during the tls handshake
• e039d9b SUNRPC: Fail quickly when server does not recognize TLS
• 20eb79c regulator/core: Revert "fix kobject release warning and memory leak in regulator_register()"
• 42dc959 wifi: cfg80211: avoid leaking stack data into trace
• 4d5ea9a wifi: mac80211: allow transmitting EAPOL frames with tainted key
• 96b83be wifi: mac80211: work around Cisco AP 9115 VHT MPDU length
• 670894d wifi: cfg80211: Fix 6GHz scan configuration
• 5558f43 Bluetooth: hci_core: Fix build warnings
• c4ac1d8 Bluetooth: Avoid redundant authentication
• 6dd41eb Bluetooth: btusb: add shutdown function for QCA6174
• b095011 HID: holtek: fix slab-out-of-bounds Write in holtek_kbd_input_event
• b404427 HID: logitech-hidpp: Add Bluetooth ID for the Logitech M720 Triathlon mouse
• 47a066e rfkill: sync before userspace visibility/changes
• f19e633 wifi: iwlwifi: Ensure ack flag is properly cleared.
• 22d405f wifi: cfg80211: validate AP phy operation before starting it
• 84a89ef wifi: mwifiex: Sanity check tlv_len and tlv_bitmap_len
• 26feeeb tracing: relax trace_event_eval_update() execution with cond_resched()
• 72ec64e ata: libata-eh: Fix compilation warning in ata_eh_link_report()
• 5bd7eba ata: libata-core: Fix compilation warning in ata_dev_config_ncq()
• 21a696f gpio: timberdale: Fix potential deadlock on &tgpio->lock
• 6d3ab53 accel/ivpu: Don't flood dmesg with VPU ready message
• 90647d0 overlayfs: set ctime when setting mtime and atime
• 2bc65f2 i2c: mux: Avoid potential false error message in i2c_mux_add_adapter
• c3d5ec9 btrfs: initialize start_slot in btrfs_log_prealloc_extents
• 43cd1b1 btrfs: return -EUCLEAN for delayed tree ref with a ref count not equals to 1
• 417753a btrfs: prevent transaction block reserve underflow when starting transaction
• e2829b9 btrfs: fix race when refilling delayed refs block reserve
• 9821425 fs-writeback: do not requeue a clean inode having skipped pages
• 98e737c arm64: dts: mediatek: Fix "mediatek,merge-mute" and "mediatek,merge-fifo-en" types
• 245cade ARM: dts: ti: omap: Fix noisy serial with overrun-throttle-ms for mapphone
• 94de81b pwr-mlxbf: extend Kconfig to include gpio-mlxbf3 dependency
• 6ebc25a iio: light: vcnl4000: Don't power on/off chip in config
• f7a6978 net: check for altname conflicts when changing netdev's netns
• 95e76a1 net: fix ifname in netlink ntf during netns move
• d1d14bc net: avoid UAF on deleted altname
• f303679 net: mdio-mux: fix C45 access returning -EIO after API change
• f53e117 net: more strict VIRTIO_NET_HDR_GSO_UDP_L4 validation
• bd076ba net: pktgen: Fix interface flags printing
• 34f15ae net: phy: bcm7xxx: Add missing 16nm EPHY statistics
• d8bc92c selftests: openvswitch: Add version check for pyroute2
• eeaa4fc netfilter: nf_tables: revert do not remove elements if set backend implements .abort
• 2ec1854 netfilter: nf_tables: do not remove elements if set backend implements .abort
• d6ba6de nf_tables: fix NULL pointer dereference in nft_inner_init()
• 8a54472 nf_tables: fix NULL pointer dereference in nft_expr_inner_parse()
• 60a2031 netfilter: nf_tables: do not refresh timeout when resetting element
• bfc88a6 netlink: Correct offload_xstats size
• 0317bd5 netfilter: nft_set_rbtree: .deactivate fails if element has expired
• 6d466bf selftests: netfilter: Run nft_audit.sh in its own netns
• 79fbd1c selftests: openvswitch: Fix the ct_tuple for v4
• 7b624e1 selftests: openvswitch: Catch cases where the tests are killed
• 4efeda9 neighbor: tracing: Move pin6 inside CONFIG_IPV6=y section
• a851f8c net/sched: sch_hfsc: upgrade 'rt' to 'sc' when it becomes a inner curve
• 9e8ada3 bonding: Return pointer to data after pull on skb
• b72539b net: dsa: bcm_sf2: Fix possible memory leak in bcm_sf2_mdio_register()
• bcfb10a i40e: prevent crash on probe if hw registers have invalid values
• 3bbb112 octeon_ep: update BQL sent bytes before ringing doorbell
• 4898494 net: usb: smsc95xx: Fix an error code in smsc95xx_reset()
• 394c805 ipv4: fib: annotate races around nh->nh_saddr_genid and nh->nh_saddr
• dd6a865 gve: Do not fully free QPL pages on prefill errors
• e638624 tun: prevent negative ifindex
• 50969e0 docs: fix info about representor identification
• 5b62f58 tcp: Fix listen() warning with v4-mapped-v6 address.
• 5019131 tcp: tsq: relax tcp_small_queue_check() when rtx queue contains a single skb
• f74b518 tcp: fix excessive TLP and RACK timeouts from HZ rounding
• db4cf95 net: rfkill: gpio: prevent value glitch during probe
• c5b4652 net: ipv6: fix return value check in esp_remove_trailer
• 10b6501 net: ipv4: fix return value check in esp_remove_trailer
• 89ffd5e wifi: cfg80211: use system_unbound_wq for wiphy work
• c91f8ad fprobe: Fix to ensure the number of active retprobes is not zero
• e0cc481 net: xfrm: skip policies marked as dead while reinserting policies
• 071bba3 xfrm: interface: use DEV_STATS_INC()
• abfe309 xfrm: fix a data-race in xfrm_gen_index()
• 71998cd xfrm6: fix inet6_dev refcount underflow problem
• de0bfd6 xfrm: fix a data-race in xfrm_lookup_with_ifid()
• 40aa935 qed: fix LL2 RX buffer allocation
• 27e7ea6 ASoC: codecs: wcd938x: fix runtime PM imbalance on remove
• f0c191c ASoC: codecs: wcd938x: fix regulator leaks on probe errors
• 3d4a0f2 ASoC: codecs: wcd938x: fix resource leaks on bind errors
• 6165999 ASoC: codecs: wcd938x: fix unbind tear down order
• 2324407 ASoC: codecs: wcd938x: drop bogus bind error handling
• ea75399 ASoC: codecs: wcd938x-sdw: fix runtime PM imbalance on probe errors
• fe67287 ASoC: codecs: wcd938x-sdw: fix use after free on driver unbind
• 15d4d00 ALSA: hda/relatek: Enable Mute LED on HP Laptop 15s-fq5xxx
• 302a721 ALSA: hda/realtek: Add quirk for ASUS ROG GU603ZV
• 56d5ace ALSA: hda/realtek - Fixed ASUS platform headset Mic issue
• ac1084e drm/edid: add 8 bpc quirk to the BenQ GW2765
• 6eb4a83 drm/nouveau/disp: fix DP capable DSM connectors
• aa01884 drm/mediatek: Correctly free sg_table in gem prime vmap
• 2c9e907 drm/i915: Retry gtt fault when out of fence registers
• 675f0e9 nvmet-tcp: Fix a possible UAF in queue intialization setup
• 7053f66 io_uring: fix crash with IORING_SETUP_NO_MMAP and invalid SQ ring address
• 55b97a3 netfilter: nft_payload: fix wrong mac header matching
• fd9c3d0 Revert "net: wwan: iosm: enable runtime pm support for 7560"
• 9312862 fs/ntfs3: fix deadlock in mark_as_free_ex
• 93600a9 fs/ntfs3: Fix shift-out-of-bounds in ntfs_fill_super
• 15db99c fs/ntfs3: fix panic about slab-out-of-bounds caused by ntfs_list_ea()
• ebcabbe fs/ntfs3: Fix possible null-pointer dereference in hdr_find_e()
• a1f9acb fs/ntfs3: Fix OOB read in ntfs_init_from_boot
• 40cadbc mm: slab: Do not create kmalloc caches smaller than arch_slab_minalign()
• a9feea2 selftests: mptcp: join: no RST when rm subflow/addr
• f080044 mptcp: more conservative check for zero probes
• b454bd5 tcp: check mptcp-level constraints for backlog coalescing
• 6952b95 audit,io_uring: io_uring openat triggers audit reference count underflow
• a672863 x86: KVM: SVM: refresh AVIC inhibition in svm_leave_nested()
• 7996dc4 x86: KVM: SVM: add support for Invalid IPI Vector interception
• 94805f9 x86: KVM: SVM: always update the x2avic msr interception
• 3365b42 KVM: x86: Constrain guest-supported xfeatures only at KVM_GET_XSAVE{2}
• 3de2cf8 KVM: x86/pmu: Truncate counter value to allowed width on write
• 4d16224 x86/fpu: Allow caller to constrain xfeatures when copying to uabi buffer
• 11b975c x86/sev: Check for user-space IOIO pointing to kernel space
• dcb55b6 x86/sev: Check IOBM for IOIO exceptions from user-space
• f44a581 x86/sev: Disable MMIO emulation from user mode
• ecaf257 KVM: x86: Mask LVTPC when handling a PMI
• 9379a0e regmap: fix NULL deref on lookup
• bb6cacc nfc: nci: fix possible NULL pointer dereference in send_acknowledge()
• e7acd62 btrfs: fix stripe length calculation for non-zoned data chunk allocation
• c60f54a net/smc: return the right falback reason when prefix checks fail
• 74dcd82 ice: reset first in crash dump kernels
• 9e1dd94 ice: Fix safe mode when DDP is missing
• df23c09 ice: fix over-shifted variable
• 06a5e7b Bluetooth: hci_conn: Fix modifying handle while aborting
• 5b7a248 Bluetooth: avoid memcmp() out of bounds warning
• 75d889f Bluetooth: hci_event: Fix coding style
• c4fb645 Bluetooth: vhci: Fix race when opening vhci device
• 746dbb0 Bluetooth: Fix a refcnt underflow problem for hci_conn
• 2f6495f Bluetooth: Reject connection with the device which has same BD_ADDR
• 0d04728 Bluetooth: hci_event: Ignore NULL link key

Homepage
Download Linux 6.5.9-xanmod1 source from GitHub