A new XanMod Linux Kernel based on Linux Kernel 6.6.35 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 6.6.35-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

Change log

• 3c11257 Linux 6.6.35-xanmod1
• 0a3c4bb Merge tag 'v6.6.35' into 6.6
• 5f2d070 Linux 6.6.35
• 3466aba zap_pid_ns_processes: clear TIF_NOTIFY_SIGNAL along with TIF_SIGPENDING
• 2fd6cfb i2c: designware: Fix the functionality flags of the slave-only interface
• 572afd4 i2c: at91: Fix the functionality flags of the slave-only interface
• a4cd607 misc: microchip: pci1xxxx: Fix a memory leak in the error handling of gp_aux_bus_probe()
• 2cc3263 usb-storage: alauda: Check whether the media is initialized
• 3a03ef3 serial: 8250_dw: Don't use struct dw8250_data outside of 8250_dw
• 836e1a9 serial: 8250_dw: Replace ACPI device check by a quirk
• 1d98b6a serial: 8250_dw: Switch to use uart_read_port_properties()
• f59e239 serial: port: Introduce a common helper to read properties
• 68a53d1 serial: core: Add UPIO_UNKNOWN constant for unknown port type
• 1006d1b device property: Implement device_is_big_endian()
• dd431c3 ima: Fix use-after-free on a dentry's dname.name
• 0b8fba3 greybus: Fix use-after-free bug in gb_interface_release due to race condition.
• aefd8f3 selftests: net: lib: avoid error removing empty netns name
• 44bdef2 selftests: net: lib: support errexit with busywait
• 1d650d2 selftests/net/lib: no need to record ns name if it already exist
• d722ed2 selftests/net/lib: update busywait timeout value
• 8a73c08 cachefiles, erofs: Fix NULL deref in when cachefiles is not doing ondemand-mode
• 3beccb6 remoteproc: k3-r5: Jump to error handling labels in start/stop errors
• bb2f318 selftests: forwarding: Avoid failures to source net/lib.sh
• 2a96995 selftests/net: add variable NS_LIST for lib.sh
• 04f7b9b selftests/net: add lib.sh
• dd782da Revert "fork: defer linking file vma until vma is fully initialized"
• 72b5c7f serial: 8250_pxa: Configure tx_loadsz to match FIFO IRQ level
• 0d73477 mm/huge_memory: don't unpoison huge_zero_folio
• 93d61e1 tick/nohz_full: Don't abuse smp_call_function_single() in tick_setup_device()
• 614d397 nilfs2: fix potential kernel bug due to lack of writeback flag waiting
• f8474ca swiotlb: extend buffer pre-padding to alloc_align_mask if necessary
• 6c385c1 swiotlb: Reinstate page-alignment for mappings >= PAGE_SIZE
• 6033fc9 swiotlb: Enforce page alignment in swiotlb_alloc()
• 9f20501 xfs: allow cross-linking special files without project quota
• 8bb0402 xfs: don't use current->journal_info
• 79ba47d xfs: allow sunit mount option to repair bad primary sb stripe values
• ae60928 xfs: ensure submit buffers on LSN boundaries in error handlers
• 04fa426 xfs: shrink failure needs to hold AGI buffer
• ea365e6 xfs: fix SEEK_HOLE/DATA for regions with active COW extents
• 7f0e5af xfs: fix scrub stats file permissions
• 20bccdb xfs: fix imprecise logic in xchk_btree_check_block_owner
• 092571e btrfs: zoned: fix use-after-free due to race with dev replace
• 069e0cc btrfs: zoned: factor out DUP bg handling from btrfs_load_block_group_zone_info
• 68713bc btrfs: zoned: factor out single bg handling from btrfs_load_block_group_zone_info
• a139ad6 btrfs: zoned: factor out per-zone logic from btrfs_load_block_group_zone_info
• f952676 btrfs: zoned: introduce a zone_info struct in btrfs_load_block_group_zone_info
• a3be677 pmdomain: ti-sci: Fix duplicate PD referrals
• 6fd0627 intel_th: pci: Add Lunar Lake support
• ebcef91 intel_th: pci: Add Meteor Lake-S support
• c8727dd intel_th: pci: Add Sapphire Rapids SOC support
• 37eb9f7 intel_th: pci: Add Granite Rapids SOC support
• 3b08df8 intel_th: pci: Add Granite Rapids support
• f287b1e drm/i915: Fix audio component initialization
• 7a9883b drm/i915/dpt: Make DPT object unshrinkable
• 1b4a8b8 drm/shmem-helper: Fix BUG_ON() on mmap(PROT_WRITE, MAP_PRIVATE)
• 1d2f112 drm/i915/gt: Disarm breadcrumbs if engines are already idle
• 42524cc rtla/auto-analysis: Replace \t with spaces
• d32f12e rtla/timerlat: Simplify "no value" printing on top
• 8661a7a riscv: rewrite __kernel_map_pages() to fix sleeping in invalid context
• 6ee0c84 iio: invensense: fix interrupt timestamp alignment
• 955c824 iio: adc: axi-adc: make sure AXI clock is enabled
• 33187fa remoteproc: k3-r5: Do not allow core1 to power up before core0 via sysfs
• 2494bc8 remoteproc: k3-r5: Wait for core0 power-up before powering up core1
• aa81c7b dmaengine: axi-dmac: fix possible race in remove()
• 4145835 PCI: rockchip-ep: Remove wrong mask on subsys_vendor_id
• 3c361f3 ocfs2: fix races between hole punching and AIO+DIO
• 7ec0e3b ocfs2: use coarse time for new created files
• 518fbd6 fs/proc: fix softlockup in __read_vmcore
• ba04b45 knfsd: LOOKUP can return an illegal error value
• 591d5b1 spmi: hisi-spmi-controller: Do not override device identifier
• e293c6b vmci: prevent speculation leaks by sanitizing event in event_deliver()
• 2d11505 dma-buf: handle testing kthreads creation failure
• e946428 sock_map: avoid race between sock_map_close and sk_psock_put
• 2c581ca null_blk: Print correct max open zones limit in null_init_zoned_dev()
• 5fc6b70 kheaders: explicitly define file modes for archived headers
• fcb88dc tracing/selftests: Fix kprobe event name test for .isra. functions
• d63e501 riscv: fix overlap of allocated page and PTR_ERR
• 7063f15 perf auxtrace: Fix multiple use of --itrace option
• 809a2ed perf/core: Fix missing wakeup when waiting for context reference
• 348008f x86/amd_nb: Check for invalid SMN reads
• d91ddd0 x86/kexec: Fix bug with call depth tracking
• 5c0fb9c irqchip/gic-v3-its: Fix potential race condition in its_vlpi_prop_update()
• 6d0881a clkdev: Update clkdev id usage to allow for longer names
• dbf0787 mptcp: pm: update add_addr counters after connect
• 09469a0 mptcp: pm: inc RmAddr MIB counter once per RM_ADDR ID
• f1f0a46 mptcp: ensure snd_una is properly initialized on connect
• 35bcf16 drm/exynos: hdmi: report safe 640x480 mode as a fallback when no EDID found
• a269c57 drm/exynos/vidi: fix memory leak in .get_modes()
• fd88057 ACPI: x86: Force StorageD3Enable on more products
• 5bf196f parisc: Try to fix random segmentation faults in package builds
• a42b006 drivers: core: synchronize really_probe() and dev_uevent()
• e57c84e iio: imu: inv_icm42600: delete unneeded update watermark call
• aaf6b32 iio: invensense: fix odr switching to same value
• 8e47206 iio: dac: ad5592r: fix temperature channel scaling value
• 24ff87b iio: adc: ad9467: fix scan type sign
• d4f3861 x86/boot: Don't add the EFI stub to targets, again
• db20d4e ksmbd: fix missing use of get_write in in smb2_set_ea()
• 13b38f9 ksmbd: move leading slash check to smb2_get_name()
• 86c9713 misc: microchip: pci1xxxx: fix double free in the error handling of gp_aux_bus_probe()
• ca6660c bnxt_en: Adjust logging of firmware messages in case of released token in __hwrm_send()
• 185c72f af_unix: Read with MSG_PEEK loops if the first unread byte is OOB
• 183ebc1 ionic: fix use after netif_napi_del()
• 7caefa2 net: bridge: mst: fix suspicious rcu usage in br_mst_set_state
• a6cc9e9 net: bridge: mst: pass vlan group directly to br_mst_vlan_set_state
• 96d3265 net/ipv6: Fix the RT cache flush via sysctl using a previous delay
• 9a3eb48 nvmet-passthru: propagate status from id override functions
• fe1e395 block: fix request.queuelist usage in flush
• 6b71554 block: sed-opal: avoid possible wrong address reference in read_sed_opal_key()
• 35119b1 net: stmmac: replace priv->speed with the portTransmitRate from the tc-cbs parameters
• d01f39f gve: ignore nonrelevant GSO type bits when processing TSO headers
• b0c95ce net: pse-pd: Use EOPNOTSUPP error code instead of ENOTSUPP
• 2ad10c2 scsi: ufs: core: Quiesce request queues before checking pending cmds
• 567cfc5 x86/uaccess: Fix missed zeroing of ia32 u64 get_user() range checking
• 5396ce9 x86/asm: Use %c/%n instead of %P operand modifier in asm templates
• 2ba35b3 netfilter: ipset: Fix race between namespace cleanup and gc in the list:set type
• b30669f netfilter: nft_inner: validate mandatory meta and payload
• 7ccca39 Bluetooth: fix connection setup in l2cap_connect
• 599a28f Bluetooth: L2CAP: Fix rejecting L2CAP_CONN_PARAM_UPDATE_REQ
• 110764a net/mlx5e: Fix features validation check for tunneled UDP (non-VXLAN) packets
• bb5c1b0 geneve: Fix incorrect inner network header offset when innerprotoinherit is set
• c726609 net dsa: qca8k: fix usages of device_get_named_child_node()
• d61808a tcp: fix race in tcp_v6_syn_recv_sock()
• b5c8ffc drm/bridge/panel: Fix runtime warning on panel bridge release
• 9460961 drm/komeda: check for error-valued pointer
• f100031 net: stmmac: dwmac-qcom-ethqos: Configure host DMA width
• fd2b613 liquidio: Adjust a NULL pointer handling path in lio_vf_rep_copy_packet
• 47016dc net: hns3: add cond_resched() to hns3 ring buffer init process
• 689de7c net: hns3: fix kernel crash problem in concurrent scenario
• ef01c26 net: sfp: Always call sfp_sm_mod_remove() on remove
• 6797259 modpost: do not warn about missing MODULE_DESCRIPTION() for vmlinux.o
• 6fdc115 af_unix: Annotate data-race of sk->sk_state in unix_accept().
• b82c97a drm/vmwgfx: Don't memcmp equivalent pointers
• ce48b68 drm/vmwgfx: Remove STDU logic from generic mode_valid function
• 15a875e drm/vmwgfx: 3D disabled should not effect STDU memory limits
• 3ca8e58 drm/vmwgfx: Filter modes which exceed graphics memory
• b0b0517 drm/vmwgfx: Refactor drm connector probing for display modes
• f677ca8 HID: logitech-dj: Fix memory leak in logi_dj_recv_switch_to_dj_mode()
• 1bbadf9 io_uring/io-wq: avoid garbage value of 'match' in io_wq_enqueue()
• ab702c3 io_uring/io-wq: Use set_bit() and test_bit() at worker->flags
• 7388ae6 iommu: Return right value in iommu_sva_bind_device()
• c344d70 iommu/amd: Fix sysfs leak in iommu init
• 30f76bc HID: core: remove unnecessary WARN_ON() in implement()
• 17a6806 gpio: tqmx86: fix broken IRQ_TYPE_EDGE_BOTH interrupt type
• 12043e8 gpio: tqmx86: store IRQ trigger type and unmask status separately
• 01aa7b7 gpio: tqmx86: introduce shadow register for GPIO output value
• d690790 gpio: tqmx86: fix typo in Kconfig label
• b07a62f platform/x86: dell-smbios: Fix wrong token data in sysfs
• 2c82e21 drm/panel: sitronix-st7789v: Add check for of_drm_get_panel_orientation
• ca060e2 nvme: fix nvme_pr_* status code parsing
• beb2dde selftests/tracing: Fix event filter test to retry up to 10 times
• b21cae4 NFS: add barriers when testing for NFS_FSDATA_BLOCKED
• b1a6e88 SUNRPC: return proper error from gss_wrap_req_priv
• c30988e NFSv4.1 enforce rootpath check in fs_location query
• a9aa5a4 clk: sifive: Do not register clkdevs for PRCI clocks
• dff9b22 selftests/ftrace: Fix to check required event file
• 3bf0b80 cachefiles: flush all requests after setting CACHEFILES_DEAD
• d2d3eb3 cachefiles: defer exposing anon_fd until after copy_to_user() succeeds
• 527db1c cachefiles: never get a new anonymous fd if ondemand_id is valid
• 1d95e50 cachefiles: remove err_put_fd label in cachefiles_ondemand_daemon_read()
• 3958679 cachefiles: fix slab-use-after-free in cachefiles_ondemand_daemon_read()
• a6de827 cachefiles: fix slab-use-after-free in cachefiles_ondemand_get_fd()
• 9f5fa40 cachefiles: add restore command to recover inflight ondemand read requests
• e564e48 cachefiles: add spin_lock for cachefiles_ondemand_info
• f740fd9 cachefiles: resend an open request if the read request's object is closed
• 33d21f0 cachefiles: extract ondemand info field from cachefiles_object
• 955190e cachefiles: introduce object ondemand state
• 50d0e55 cachefiles: remove requests from xarray during flushing requests
• 19133f5 cachefiles: add output string to cachefiles_obj_[get|put]_ondemand_fd
• d831683 cxl/region: Fix memregion leaks in devm_cxl_add_region()
• 09b4aa2 cxl/test: Add missing vmalloc.h for tools/testing/cxl/test/mem.c
• b3f2069 HID: nvidia-shield: Add missing check for input_ff_create_memless
• af4cff0 powerpc/uaccess: Fix build errors seen with GCC 13/14
• 2ce5341 gve: Clear napi->skb before dev_kfree_skb_any()
• 323d256 scsi: sd: Use READ(16) when reading block zero on large capacity disks
• 9079338 scsi: mpt3sas: Avoid test/set_bit() operating in non-allocated memory
• da097dc scsi: mpi3mr: Fix ATA NCQ priority support
• 3e9785d scsi: core: Disable CDL by default
• d5ceeb0 thunderbolt: debugfs: Fix margin debugfs node creation condition
• d412129 xhci: Apply broken streams quirk to Etron EJ188 xHCI host
• 949be4e xhci: Handle TD clearing for multiple streams case
• 0a834fb xhci: Apply reset resume quirk to Etron EJ188 xHCI host
• 834c578 xhci: Set correct transferred length for cancelled bulk transfers
• 4598233 jfs: xattr: fix buffer overflow for invalid xattr
• cc30d05 landlock: Fix d_parent walk
• 3380fa0 serial: port: Don't block system suspend even if bytes are left to xmit
• b895a1b tty: n_tty: Fix buffer offsets when lookahead is used
• ce356d8 mei: me: release irq in mei_me_pci_resume error path
• ad47b23 usb: typec: tcpm: Ignore received Hard Reset in TOGGLING state
• 04c05d5 usb: typec: tcpm: fix use-after-free case in tcpm_register_source_caps
• b641889 USB: xen-hcd: Traverse host/ when CONFIG_USB_XEN_HCD is selected
• 72a3fe3 USB: class: cdc-wdm: Fix CPU lockup caused by excessive log messages
• 43cfac7 io_uring: check for non-NULL file pointer in io_file_can_poll()
• 0c9df3d io_uring/rsrc: don't lock while !TASK_RUNNING
• d18b05e nilfs2: fix nilfs_empty_dir() misjudgment and long loop on I/O errors
• 8394dce nilfs2: return the mapped address from nilfs_get_page()
• 39a143a bpf: fix multi-uprobe PID filtering logic
• 7ec535e eventfs: Update all the eventfs_inodes from the events descriptor
• 1c88d94 irqchip/riscv-intc: Prevent memory leak when riscv_intc_init_common() fails
• 85ca483 irqchip/riscv-intc: Introduce Andes hart-level interrupt controller
• 4820953 irqchip/riscv-intc: Allow large non-standard interrupt number
• 01c987b selftests/mm: compaction_test: fix bogus test success on Aarch64
• 3f6ccd4 selftests/mm: log a consistent test name for check_compaction
• d39532e selftests/mm: conform test to TAP format output
• bb9bb13 mm/memory-failure: fix handling of dissolved but not taken off from buddy pages
• fe01748 memory-failure: use a folio in me_huge_page()
• 130b4b9 firmware: qcom_scm: disable clocks if qcom_scm_bw_enable() fails
• 16ece7c ksmbd: use rwsem instead of rwlock for lease break
• 6548d54 net: ethtool: fix the error condition in ethtool_get_phy_stats_ethtool()
• 7e796c3 ipv6: fix possible race in __fib6_drop_pcpu_from()
• d801125 af_unix: Annotate data-race of sk->sk_shutdown in sk_diag_fill().
• 60db075 af_unix: Use skb_queue_len_lockless() in sk_diag_show_rqlen().
• 471ec7b af_unix: Use skb_queue_empty_lockless() in unix_release_sock().
• f1683d0 af_unix: Use unix_recvq_full_lockless() in unix_stream_connect().
• 29fce60 af_unix: Annotate data-race of net->unx.sysctl_max_dgram_qlen.
• 996ec22 af_unix: Annotate data-races around sk->sk_sndbuf.
• 4398f59 af_unix: Annotate data-races around sk->sk_state in UNIX_DIAG.
• 0ede400 af_unix: Annotate data-race of sk->sk_state in unix_stream_read_skb().
• 776fcc4 af_unix: Annotate data-races around sk->sk_state in sendmsg() and recvmsg().
• 3d25de6 af_unix: Annotate data-race of sk->sk_state in unix_stream_connect().
• 484e036 af_unix: Annotate data-races around sk->sk_state in unix_write_space() and poll().
• 4e38d6c af_unix: Annotate data-race of sk->sk_state in unix_inq_len().
• 45733e9 af_unix: Annodate data-races around sk->sk_state for writers.
• 8003545 af_unix: Set sk->sk_state under unix_state_lock() for truly disconencted peer.
• 040d938 net: wwan: iosm: Fix tainted pointer delete is case of region creation fail
• 649b63f ice: add flag to distinguish reset from .ndo_bpf in XDP rings config
• eab834a ice: remove af_xdp_zc_qps bitmap
• 3201ba7 ice: fix iteration of TLVs in Preserved Fields Area
• b21bb09 ptp: Fix error message on failed pin verification
• 724050a net/sched: taprio: always validate TCA_TAPRIO_ATTR_PRIOMAP
• d857df8 net/mlx5: Fix tainted pointer delete is case of flow rules creation fail
• 6ccada6 net/mlx5: Always stop health timer during driver removal
• e3001df net/mlx5: Stop waiting for PCI if pci channel is offline
• 3dd4166 mptcp: count CLOSE-WAIT sockets for MPTCP_MIB_CURRESTAB
• acdf175 tcp: count CLOSE-WAIT sockets for TCP_MIB_CURRESTAB
• 924f7bb vxlan: Fix regression when dropping packets due to invalid src addresses
• 54c2c17 net: sched: sch_multiq: fix possible OOB write in multiq_tune()
• cba5467 net: phy: Micrel KSZ8061: fix errata solution not taking effect problem
• b032552 net/smc: avoid overwriting when adjusting sock bufsizes
• 2d7912f octeontx2-af: Always allocate PF entries from low prioriy zone
• d387805 bpf: Set run context for rawtp test_run callback
• 50569d1 net: tls: fix marking packets as decrypted
• f8dd092 ipv6: sr: block BH in seg6_output_core() and seg6_input_core()
• db21c1e ipv6: ioam: block BH from ioam6_output()
• 9ee14af vmxnet3: disable rx data ring on dma allocation failure
• 834aa2c KVM: SEV-ES: Delegate LBR virtualization to the processor
• b6e4076 KVM: SEV: Do not intercept accesses to MSR_IA32_XSS for SEV-ES guests
• 2128bae KVM: SEV-ES: Disallow SEV-ES guests when X86_FEATURE_LBRV is absent
• 91cff53 bpf: Fix a potential use-after-free in bpf_link_free()
• 2ad2f2e bpf: Optimize the free of inner map
• 5aa03dd bpf: Store ref_ctr_offsets values in bpf_uprobe array
• 02a2557 net: phy: micrel: fix KSZ9477 PHY issues after suspend/resume
• 645e643 net/ncsi: Fix the multi thread manner of NCSI driver
• d7dd9d1 net/ncsi: Simplify Kconfig/dts control flow
• 87cc251 ax25: Replace kfree() in ax25_dev_free() with ax25_dev_put()
• 52100fd ax25: Fix refcount imbalance on inbound connections
• 909dc09 RISC-V: KVM: Fix incorrect reg_subtype labels in kvm_riscv_vcpu_set_reg_isa_ext function
• 5d8622f RISC-V: KVM: No need to use mask when hart-index-bit is 0
• b2b1043 scsi: ufs: mcq: Fix error output and clean up ufshcd_mcq_abort()
• 2f467fe wifi: mac80211: correctly parse Spatial Reuse Parameter Set element
• a050187 wifi: iwlwifi: mvm: don't read past the mfuart notifcation
• 29a18d5 wifi: iwlwifi: mvm: check n_ssids before accessing the ssids
• f7773ff wifi: iwlwifi: dbg_ini: move iwl_dbg_tlv_free outside of debugfs ifdef
• bdfa7cf wifi: iwlwifi: mvm: set properly mac header
• 1ef2671 wifi: iwlwifi: mvm: revert gen2 TX A-MPDU size to 64
• 1fd3f32 wifi: iwlwifi: mvm: don't initialize csa_work twice
• ff2b4dc wifi: cfg80211: pmsr: use correct nla_get_uX functions
• 0ccc639 wifi: cfg80211: Lock wiphy in cfg80211_get_station
• 46b7eff wifi: cfg80211: fully move wiphy work to unbound workqueue
• 456bbb8 wifi: mac80211: Fix deadlock in ieee80211_sta_ps_deliver_wakeup()
• 63d5f89 wifi: mac80211: mesh: Fix leak of mesh_preq_queue objects

Homepage
Download Linux 6.6.35-xanmod1 source from GitHub