The first XanMod Linux Kernel based on Linux Kernel 6.5.5 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 6.5.5-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 6.5.5-xanmod1

• b10e545 Linux 6.5.5-xanmod1
• e6dbf51 Merge tag 'v6.5.5' into 6.5
• 2309983 Linux 6.5.5
• 617cc50 x86,static_call: Fix static-call vs return-thunk
• e8c9d65 x86/alternatives: Remove faulty optimization
• 4b0ccd8 interconnect: Teach lockdep about icc_bw_lock order
• 2575ef6 drm/amdgpu: fix amdgpu_cs_p1_user_fence
• 1204b65 Revert "memcg: drop kmem.limit_in_bytes"
• 23e3c3f drm/amd/display: Fix 2nd DPIA encoder Assignment
• 3e20888 drm/amd/display: Add DPIA Link Encoder Assignment Fix
• 909c30d drm/amd/display: fix the white screen issue when >= 64GB DRAM
• 8941482 drm/amd/display: Adjust the MST resume flow
• c9d8be0 drm/tests: helpers: Avoid a driver uaf
• 944ba00 drm/amdkfd: Insert missing TLB flush on GFX10 and later
• 4c5b744 drm/i915: Only check eDP HPD when AUX CH is shared
• fe656db drm/radeon: make fence wait in suballocator uninterrruptable
• c703e82 ext4: fix rec_len verify error
• b1b3017 Revert "comedi: add HAS_IOPORT dependencies"
• 147591e scsi: pm8001: Setup IRQs on resume
• 25bd0c7 scsi: qla2xxx: Use raw_smp_processor_id() instead of smp_processor_id()
• de5a256 scsi: megaraid_sas: Fix deadlock on firmware crashdump
• 6eb0a44 ata: libahci: clear pending interrupt status
• b4547bb ata: libata: disallow dev-initiated LPM transitions to unsupported states
• 494fb25 i2c: aspeed: Reset the i2c controller when timeout occurs
• 2ec4d50 tracefs: Add missing lockdown check to tracefs_create_dir()
• 576d25c nfsd: fix change_info in NFSv4 RENAME replies
• 87b7a2c selinux: fix handling of empty opts in selinux_fs_context_submount()
• 586787a tracing: Have option files inc the trace array ref count
• 4d91520 tracing: Have current_trace inc the trace array ref count
• 9beec04 tracing: Increase trace array ref count on enable and filter files
• 815e413 tracing/synthetic: Print out u64 values properly
• 58ce479 tracing: Have event inject files inc the trace array ref count
• 96318d7 tracing: Have tracing_max_latency inc the trace array ref count
• 0555c44 tracing/synthetic: Fix order of struct trace_dynamic_info
• 02614f5 btrfs: check for BTRFS_FS_ERROR in pending ordered assert
• 6fdce81 btrfs: release path before inode lookup during the ino lookup ioctl
• a38e265 btrfs: fix race between finishing block group creation and its item update
• e85833f btrfs: fix a compilation error if DEBUG is defined in btree_dirty_folio
• 36d918d btrfs: fix lockdep splat and potential deadlock after failure running delayed items
• 38f6e5a dm: fix a race condition in retrieve_deps
• 699775e dm: don't attempt to queue IO under RCU protection
• f8aad58 Revert "drm/amd: Disable S/G for APUs when 64GB or more host memory"
• ecccfc5 drm/amd: Make fence wait in suballocator uninterruptible
• 6dc454e md: Put the right device in md_seq_next
• 6abadf1 Revert "firewire: core: obsolete usage of GFP_ATOMIC at building node tree"
• 0d01a0c x86/platform/uv: Use alternate source for socket to node data
• 6dec4a6 nvme: avoid bogus CRTO values
• 880dff7 io_uring/net: fix iter retargeting for selected buf
• 8fa0285 ovl: fix incorrect fdput() on aio completion
• 69feaca ovl: fix failed copyup of fileattr on a symlink
• c231924 attr: block mode changes of symlinks
• b0feb12 Revert "SUNRPC: Fail faster on bad verifier"
• 2bf1bdc md/raid1: fix error: ISO C90 forbids mixed declarations
• afd0454 blk-mq: fix tags UAF when shrinking q->nr_hw_queues
• 352552e blk-mq: prealloc tags when increase tagset nr_hw_queues
• 6bff911 samples/hw_breakpoint: fix building without module unloading
• 0eee3f7 x86/purgatory: Remove LTO flags
• a9bd61c x86/boot/compressed: Reserve more memory for page tables
• 6cf6fc6 ata: libata-core: fetch sense data for successful commands iff CDL enabled
• 57e0917 panic: Reenable preemption in WARN slowpath
• 03c02f8 scsi: lpfc: Fix the NULL vs IS_ERR() bug for debugfs_create_file()
• f84639c scsi: target: core: Fix target_cmd_counter leak
• 86b89c1 x86/sched: Restore the SD_ASYM_PACKING flag in the DIE domain
• ceb5278 riscv: kexec: Align the kexeced kernel entry
• aba7fa7 x86/ibt: Avoid duplicate ENDBR in __put_user_nocheck*()
• 4fc3bc8 x86/ibt: Suppress spurious ENDBR
• b3f1eb3 selftests: tracing: Fix to unmount tracefs for recovering environment
• 7fd49a3 PM: hibernate: Fix the exclusive get block device in test_resume mode
• 63565e1 efivarfs: fix statfs() on efivarfs
• 99fcd42 md: fix warning for holder mismatch from export_rdev()
• ad430ad md: don't dereference mddev after export_rdev()
• b741773 scsi: qla2xxx: Fix NULL vs IS_ERR() bug for debugfs_create_dir()
• c340e8c drm: gm12u320: Fix the timeout usage for usb_bulk_msg()
• 66797aa nvmet-tcp: pass iov_len instead of sg->length to bvec_set_page()
• 10c160f btrfs: compare the correct fsid/metadata_uuid in btrfs_validate_super
• 06496c9 btrfs: add a helper to read the superblock metadata_uuid
• 033ca46 mtd: spi-nor: spansion: preserve CFR2V[7] when writing MEMLAT
• d137b26 mtd: spi-nor: spansion: use CLPEF as an alternative to CLSR
• fca3a1c btrfs: zoned: activate metadata block group on write time
• 1c33e31 btrfs: zoned: defer advancing meta write pointer
• 28c26c6 btrfs: zoned: return int from btrfs_check_meta_write_pointer
• 11aef5c btrfs: zoned: introduce block group context to btrfs_eb_write_context
• 985801b btrfs: introduce struct to consolidate extent buffer write context
• b7e9ec3 ext4: fix BUG in ext4_mb_new_inode_pa() due to overflow
• bd57b05 printk: Rename abandon_console_lock_in_panic() to other_cpu_in_panic()
• 1fa74b1 printk: Consolidate console deferred printing
• 77b56cd printk: Do not take console lock for console_flush_on_panic()
• 0fb8391 printk: Keep non-panic-CPUs out of console lock
• d301aa3 printk: Reduce console_unblank() usage in unsafe scenarios
• 328d3fa usb: typec: qcom-pmic-typec: register drm_bridge
• 2f3a124 interconnect: Fix locking for runpm vs reclaim
• 1a77288 kobject: Add sanity check for kset->kobj.ktype in kset_register()
• 8c49f01 media: pci: ipu3-cio2: Initialise timing struct to avoid a compiler warning
• 205dd46 usb: chipidea: add workaround for chipidea PEC bug
• ba3df8c usb: ehci: add workaround for chipidea PORTSC.PEC bug
• 55072da usb: dwc3: dwc3-octeon: Verify clock divider
• 84674c7 misc: open-dice: make OPEN_DICE depend on HAS_IOMEM
• 468d16a serial: cpm_uart: Avoid suspicious locking
• 0cac6cb scsi: target: iscsi: Fix buffer overflow in lio_target_nacl_info_show()
• eccefc9 tools: iio: iio_generic_buffer: Fix some integer type and calculation
• 7c04508 usb: gadget: fsl_qe_udc: validate endpoint index for ch9 udc
• 2651ac9 usb: typec: intel_pmc_mux: Add new ACPI ID for Lunar Lake IOM device
• d3f372e usb: cdns3: Put the cdns set active part outside the spin lock
• dfd46f7 media: pci: cx23885: replace BUG with error return
• 1a6bf53 media: tuners: qt1010: replace BUG_ON with a regular error
• 0fa0585 scsi: lpfc: Abort outstanding ELS cmds when mailbox timeout error is detected
• 72af676 media: dvb-usb-v2: gl861: Fix null-ptr-deref in gl861_i2c_master_xfer
• a1110f1 media: az6007: Fix null-ptr-deref in az6007_i2c_xfer()
• 5975dbb media: anysee: fix null-ptr-deref in anysee_master_xfer
• e595ff3 media: af9005: Fix null-ptr-deref in af9005_i2c_xfer
• fb28afa media: dw2102: Fix null-ptr-deref in dw2102_i2c_transfer()
• 41b7181 media: dvb-usb-v2: af9035: Fix null-ptr-deref in af9035_i2c_master_xfer
• fa48112 media: mdp3: Fix resource leaks in of_find_device_by_node
• a9d6539 PCI: fu740: Set the number of MSI vectors
• 71abe57 PCI: vmd: Disable bridge window for domain reset
• ebd8dc9 powerpc/pseries: fix possible memory leak in ibmebus_bus_init()
• 5590ba4 ARM: 9317/1: kexec: Make smp stop calls asynchronous
• 995b9a4 PCI: dwc: Provide deinit callback for i.MX
• 8e7de7e ext4: avoid overlapping preallocations due to overflow
• 1265762 ext4: add two helper functions extent_logical_end() and pa_logical_end()
• 88484bd jfs: fix invalid free of JFS_IP(ipimap)->i_imap in diUnmount
• f71c4bb fs/jfs: prevent double-free in dbUnmount() after failed jfs_remount()
• 5618ae9 x86: bring back rep movsq for user access on CPUs without ERMS
• f4b6261 ASoC: SOF: amd: clear panic mask status when panic occurs
• c0ef749 blk-mq: fix tags leak when shrink nr_hw_queues
• 0d92205 ext2: fix datatype of block number in ext2_xattr_set2()
• 4bdb92e md: raid1: fix potential OOB in raid1_remove_disk()
• 617c10c arm64: dts: qcom: sc8280xp-x13s: Add camera activity LED
• f789f65 bus: ti-sysc: Configure uart quirks for k3 SoC
• 7839f62 drm/mediatek: dp: Change logging to dev for mtk_dp_aux_transfer()
• f1cd525 io_uring: annotate the struct io_kiocb slab for appropriate user copy
• b02f247 drm/exynos: fix a possible null-pointer dereference due to data race in exynos_drm_crtc_atomic_disable()
• 15c8bb3 drm/msm/adreno: Use quirk to identify cached-coherent support
• 20e4914 drm/msm/adreno: Use quirk identify hw_apriv
• 4ae6a7c drm/amd/display: Use max memclk variable when setting max memclk
• 8e149d1 drm/amd/display: Blocking invalid 420 modes on HDMI TMDS for DCN314
• 5c1f969 drm/amd/display: Blocking invalid 420 modes on HDMI TMDS for DCN31
• be48340 drm/amd/display: Use DTBCLK as refclk instead of DPREFCLK
• e48c232 ALSA: hda: intel-dsp-cfg: add LunarLake support
• 0e6111a ASoC: Intel: sof_sdw: Update BT offload config for soundwire config
• 238fc28 ASoC: SOF: topology: simplify code to prevent static analysis warnings
• 5f2374b drm/amd/display: Fix underflow issue on 175hz timing
• 456a3da drm/amdgpu: Update ring scheduler info as needed
• c56f639 samples/hw_breakpoint: Fix kernel BUG 'invalid opcode: 0000'
• 02b8d71 drm/amdgpu: Increase soft IH ring size
• 3ea9058 arm64: dts: qcom: sm8250-edo: correct ramoops pmsg-size
• 4af0f9a arm64: dts: qcom: sm8150-kumano: correct ramoops pmsg-size
• 5522440 arm64: dts: qcom: sm6350: correct ramoops pmsg-size
• 0ae62fe arm64: dts: qcom: sm6125-sprout: correct ramoops pmsg-size
• bffe083 arm64: dts: qcom: sm6125-pdx201: correct ramoops pmsg-size
• 484ffb1 drm: bridge: samsung-dsim: Drain command transfer FIFO before transfer
• 5f40ba2 drm/edid: Add quirk for OSVR HDK 2.0
• 20180e9 drm/bridge: tc358762: Instruct DSI host to generate HSE packets
• a90a47d bpf: Consider non-owning refs to refcounted nodes RCU protected
• 3815e15 bpf: Consider non-owning refs trusted
• f8a84e9 Fix nomenclature for USB and PCI wireless devices
• 5b36f76 wifi: ath12k: add check max message length while scanning with extraie
• e16be2d wifi: ath12k: Fix memory leak in rx_desc and tx_desc
• a32f5bc libbpf: Free btf_vmlinux when closing bpf_object
• a534434 Revert "wifi: mac80211_hwsim: check the return value of nla_put_u32"
• 89a41ed wifi: mac80211_hwsim: drop short frames
• 7dce2de wifi: mac80211: check for station first in client probe
• 9433221 wifi: cfg80211: ocb: don't leave if not joined
• 07added wifi: cfg80211: reject auth/assoc to AP with our address
• 89d315a netfilter: ebtables: fix fortify warnings in size_entry_mwt()
• 5e030a2 wifi: mac80211: check S1G action frame size
• b39c24e wifi: iwlwifi: pcie: avoid a warning in case prepare card failed
• 4c12231 alx: fix OOB-read compiler warning
• 4a70679 mmc: sdhci-esdhc-imx: improve ESDHC_FLAG_ERR010450
• 268f493 tpm_tis: Resend command to recover from data transfer errors
• 59285cb netlink: convert nlk->flags to atomic flags
• 8cf6ed2 Bluetooth: btusb: Add support for another MediaTek 7922 VID/PID
• f9c8ce5 Bluetooth: Fix hci_suspend_sync crash
• 130bba4 Bluetooth: btusb: Add new VID/PID 04ca/3804 for MT7922
• 3fa8b04 Bluetooth: btusb: Add new VID/PID 0489/e102 for MT7922
• d1dc5a0 Bluetooth: btusb: Add a new VID/PID 0489/e0f6 for MT7922
• 936913f Bluetooth: btusb: Add device 0489:e0f5 as MT7922 device
• 12ac013 crypto: lib/mpi - avoid null pointer deref in mpi_cmp_ui()
• 82dca1a net/ipv4: return the real errno instead of -EINVAL
• d5b7965 wifi: ath12k: avoid array overflow of hw mode for preferred_hw_mode
• 5a263df wifi: ath12k: Fix a NULL pointer dereference in ath12k_mac_op_hw_scan()
• a9c24ff net: Use sockaddr_storage for getsockopt(SO_PEERNAME).
• faaf956 can: sun4i_can: Add support for the Allwinner D1
• e4acd9c can: sun4i_can: Add acceptance register quirk
• 5a62107 wifi: wil6210: fix fortify warnings
• 414c0c0 mt76: mt7921: don't assume adequate headroom for SDIO headers
• 7baa09f wifi: mwifiex: fix fortify warning
• 4128b00 wifi: rtw88: delete timer and free skb queue when unloading
• d9843d2 wifi: ath9k: fix printk specifier
• ec72c64 wifi: ath9k: fix fortify warnings
• 63ff5a9 ice: Don't tx before switchdev is fully configured
• 72d4b63 crypto: lrw,xts - Replace strlcpy with strscpy
• fe6c82a devlink: remove reload failed checks in params get/set callbacks
• eef4be4 spi: sun6i: add quirk for dual and quad SPI modes support
• 886c7f9 selftests/nolibc: prevent out of bounds access in expect_vfprintf
• 21c634e selftests/nolibc: fix up kernel parameters support
• 9e8bbde ACPI: x86: s2idle: Catch multiple ACPI_TYPE_PACKAGE objects
• 4180b3a hw_breakpoint: fix single-stepping when using bpf_overflow_handler
• f4c47a3 ACPI: video: Add backlight=native DMI quirk for Apple iMac12,1 and iMac12,2
• e5c68fb perf/imx_ddr: speed up overflow frequency of cycle
• 8f59a9c kselftest/arm64: fix a memleak in zt_regs_run()
• ef0d6a9 s390/boot: cleanup number of page table levels setup
• cf5882b perf/smmuv3: Enable HiSilicon Erratum 162001900 quirk for HIP08/09
• 5ab2b22 x86/amd_nb: Add PCI IDs for AMD Family 1Ah-based models
• d7d5108 platform/chrome: cros_ec_lpc: Remove EC panic shutdown timeout
• e084f8f ACPI: video: Add backlight=native DMI quirk for Lenovo Ideapad Z470
• 6383363 scftorture: Forgive memory-allocation failure if KASAN
• 9416dcc rcuscale: Move rcu_scale_writer() schedule_timeout_uninterruptible() to _idle()
• 4cb7b22 kernel/fork: beware of __put_task_struct() calling context
• b102113 ACPICA: Add AML_NO_OPERAND_RESOLVE flag to Timer
• e753969 locks: fix KASAN: use-after-free in trace_event_raw_event_filelock_lock
• e70ba44 btrfs: output extra debug info if we failed to find an inline backref
• 4a92658 btrfs: handle errors properly in update_inline_extent_backref()
• 696b625 autofs: fix memory leak of waitqueues in autofs_catatonic_mode
• 5c281b0 iomap: Fix possible overflow condition in iomap_write_delalloc_scan

Homepage
Download Linux 6.5.5-xanmod1 source from GitHub