A new XanMod Linux Kernel based on Linux Kernel 6.6.17 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 6.6.17-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 6.6.17-xanmod1

• 19cf27e Linux 6.6.17-xanmod1
• 20d6afe Merge tag 'v6.6.17' into 6.6
• b2c9bf0 Linux 6.6.17
• b734f7a netfilter: nft_set_rbtree: skip end interval element from gc
• d850a1f net: stmmac: xgmac: fix a typo of register name in DPP safety handling
• 2fbdc11 ALSA: usb-audio: Sort quirk table entries
• 460951a net: stmmac: xgmac: use #define for string constants
• 22ccf61 io_uring/net: limit inline multishot retries
• 7cbd3aa io_uring/poll: add requeue return code from poll multishot handling
• eac52bf io_uring/net: un-indent mshot retry path in io_recv_finish()
• 0848bf7 io_uring/poll: move poll execution helpers higher up
• 0ceb7a9 io_uring/net: fix sr->len for IORING_OP_RECV with MSG_WAITALL and buffers
• 7a62d44 media: solo6x10: replace max(a, min(b, c)) by clamp(b, a, c)
• d41ba25 Revert "ASoC: amd: Add new dmi entries for acp5x platform"
• ac589a3 Input: atkbd - skip ATKBD_CMD_SETLEDS when skipping ATKBD_CMD_GETID
• 38d4dfe Input: i8042 - fix strange behavior of touchpad on Clevo NS70PU
• 4abccba hrtimer: Report offline hrtimer enqueue
• f0b1398 usb: dwc3: pci: add support for the Intel Arrow Lake-H
• f5e7ffa xhci: handle isoc Babble and Buffer Overrun events properly
• b5595a0 xhci: process isoc TD properly when there was a transaction error mid TD.
• a78f36f usb: host: xhci-plat: Add support for XHCI_SG_TRB_CACHE_SIZE_QUIRK
• b3e8e68 usb: dwc3: host: Set XHCI_SG_TRB_CACHE_SIZE_QUIRK
• 2aed1b6 x86/lib: Revert to _ASM_EXTABLE_UA() for {get,put}_user() fixups
• 7add0db Revert "usb: typec: tcpm: fix cc role at port reset"
• 2d744a0 USB: serial: cp210x: add ID for IMST iM871A-USB
• 4d53c51 USB: serial: option: add Fibocom FM101-GL variant
• 1f2c1cf USB: serial: qcserial: add new usb-id for Dell Wireless DW5826e
• dbeb9bf ALSA: usb-audio: add quirk for RODE NT-USB+
• 49ab71b ALSA: usb-audio: Add a quirk for Yamaha YIT-W12TX transmitter
• 790053c ALSA: usb-audio: Add delay quirk for MOTU M Series 2nd revision
• 27b2161 blk-iocost: Fix an UBSAN shift-out-of-bounds warning
• 89b00dc riscv: declare overflow_stack as exported from traps.c
• bc401f7 riscv: Fix arch_hugetlb_migration_supported() for NAPOT
• da9c33a libceph: just wait for more data to be available on the socket
• 90731f9 libceph: rename read_sparse_msg_() to read_partial_sparse_msg_()
• f4b69db riscv: Flush the tlb when a page directory is freed
• aceb4ab scsi: core: Move scsi_host_busy() out of host lock if it is for per-command
• d0d1f9a riscv: Fix hugetlb_mask_last_page() when NAPOT is enabled
• 21dba4e riscv: Fix set_huge_pte_at() for NAPOT mapping
• d377084 riscv: mm: execute local TLB flush after populating vmemmap
• c4a05cf mm: Introduce flush_cache_vmap_early()
• 9bf829d riscv: Improve flush_tlb_kernel_range()
• 53a38f8 riscv: Make __flush_tlb_range() loop over pte instead of flushing the whole tlb
• 72afe05 riscv: Improve tlb_flush()
• fb7bcd1 fs/ntfs3: Fix an NULL dereference bug
• bab2fb9 netfilter: nft_set_pipapo: remove scratch_aligned pointer
• 9af9079 netfilter: nft_set_pipapo: add helper to release pcpu scratch area
• e967952 netfilter: nft_set_pipapo: store index in scratch maps
• 28c5407 netfilter: nft_ct: reject direction for ct id
• cd9bd10 drm/amd/display: Implement bounds check for stream encoder creation in DCN301
• 3f3c237 drm/amd/display: Add NULL test for 'timing generator' in 'dcn21_set_pipe()'
• 2e150cc drm/amd/display: Fix 'panel_cntl' could be null in 'dcn21_set_backlight_level()'
• a600c1e netfilter: nft_compat: restrict match/target protocol to u16
• b3f2e14 netfilter: nft_compat: reject unused compat flag
• 6a64b82 netfilter: nft_compat: narrow down revision to unsigned 8-bits
• 84bfcb7 selftests: cmsg_ipv6: repeat the exact packet
• 7e5ef49 ppp_async: limit MRU to 64K
• b74aa9c af_unix: Call kfree_skb() for dead unix_(sk)->oob_skb in GC.
• 888e352 tipc: Check the bearer type before calling tipc_udp_nl_bearer_add()
• 94cac7d selftests: net: let big_tcp test cope with slow env
• 024b251 rxrpc: Fix counting of new acks and nacks
• 2868b8e rxrpc: Fix response to PING RESPONSE ACKs to a dead call
• 200cb50 rxrpc: Fix delayed ACKs to not set the reference serial number
• 2c9dc47 rxrpc: Fix generation of serial numbers to skip zero
• 41d5340 drm/i915/gvt: Fix uninitialized variable in handle_mmio()
• 4a5e31b inet: read sk->sk_family once in inet_recv_error()
• 2109eb2 hwmon: (coretemp) Fix bogus core_id to attr name mapping
• 853a650 hwmon: (coretemp) Fix out-of-bounds memory access
• c9b0d25 hwmon: (aspeed-pwm-tacho) mutex for tach reading
• 76ce07e octeontx2-pf: Fix a memleak otx2_sq_init
• f9d5410 atm: idt77252: fix a memleak in open_card_ubr0
• 510c869 tunnels: fix out of bounds access when building IPv6 PMTU error
• 10db3a7 tsnep: Fix mapping for zero copy XDP_TX action
• 9ecd0d7 selftests: net: avoid just another constant wait
• 4bd0577 selftests: net: fix tcp listener handling in pmtu.sh
• 1000bd0 selftests/net: change shebang to bash to support "source"
• 9cf2d6d selftests/net: convert pmtu.sh to run it in unique namespace
• 7be281a selftests/net: convert unicast_extensions.sh to run it in unique namespace
• 104ab0e selftests: net: cut more slack for gro fwd tests.
• 004fe5b net: atlantic: Fix DMA mapping for PTP hwts ring
• 6eecddd netdevsim: avoid potential loop in nsim_dev_trap_report_work()
• 4571767 wifi: brcmfmac: Adjust n_channels usage for __counted_by
• 3da5fdb wifi: iwlwifi: exit eSR only after the FW does
• 733031c wifi: mac80211: fix waiting for beacons logic
• fc3432a wifi: mac80211: fix RCU use in TDLS fast-xmit
• 7e0ff50 net: stmmac: xgmac: fix handling of DPP safety error for DMA channels
• 0e7ca43 x86/efistub: Avoid placing the kernel below LOAD_PHYSICAL_ADDR
• c756fd5 x86/efistub: Give up if memory attribute protocol returns an error
• 79592a6 drm/msm/dpu: check for valid hw_pp in dpu_encoder_helper_phys_cleanup
• 1449c75 drm/msm/dp: return correct Colorimetry for DP_TEST_DYNAMIC_RANGE_CEA case
• 1506145 drm/msms/dp: fixed link clock divider bits be over written in BPC unknown case
• 05955a7 xfs: respect the stable writes flag on the RT device
• d7d5ed6 xfs: clean up FS_XFLAG_REALTIME handling in xfs_ioctl_setattr_xflags
• 3581868 xfs: dquot recovery does not validate the recovered dquot
• d744e57 xfs: clean up dqblk extraction
• b28b234 xfs: inode recovery does not validate the recovered inode
• 5411625 xfs: fix again select in kconfig XFS_ONLINE_SCRUB_STATS
• 0838177 xfs: fix internal error from AGFL exhaustion
• c86562e xfs: up(ic_sema) if flushing data device fails
• 767a94d xfs: only remap the written blocks in xfs_reflink_end_cow_extent
• 005be66 xfs: abort intent items when recovery intents fail
• 23f3d79 xfs: factor out xfs_defer_pending_abort
• d7d8477 xfs: allow read IO and FICLONE to run concurrently
• d4eba13 xfs: handle nimaps=0 from xfs_bmapi_write in xfs_alloc_file_space
• 47b07e5 xfs: introduce protection for drop nlink
• 0fbbfe5 xfs: make sure maxlen is still congruent with prod when rounding down
• e3aca45 xfs: fix units conversion error in xfs_bmap_del_extent_delay
• fe327b8 xfs: rt stubs should return negative errnos when rt disabled
• 6a6bb41 xfs: prevent rt growfs when quota is enabled
• e820b13 xfs: hoist freeing of rt data fork extent mappings
• 195f223 xfs: bump max fsgeom struct version
• c778631 MAINTAINERS: add Catherine as xfs maintainer for 6.6.y
• 73596f5 rust: upgrade to Rust 1.73.0
• aacae44 rust: print: use explicit link in documentation
• e8e7a52 rust: task: remove redundant explicit link
• 9b33bb2 rust: upgrade to Rust 1.72.1
• 31a254f rust: arc: add explicit drop() around Box::from_raw()
• cff97d6 cifs: failure to add channel on iface should bump up weight
• fb70802 cifs: avoid redundant calls to disable multichannel
• 14ef615 phy: ti: phy-omap-usb2: Fix NULL pointer dereference for SRP
• 9851389 dmaengine: fix is_slave_direction() return false when DMA_DEV_TO_DEV
• f7799ec perf evlist: Fix evlist__new_default() for > 1 core PMU
• 6f67140 phy: renesas: rcar-gen3-usb2: Fix returning wrong error code
• 5cd8a51 dmaengine: fsl-qdma: Fix a memory leak related to the queue command DMA
• df6a1dc dmaengine: fsl-qdma: Fix a memory leak related to the status queue DMA
• 43ad984 dmaengine: ti: k3-udma: Report short packet errors
• f24ba6f dmaengine: fsl-dpaa2-qdma: Fix the size of dma pools
• ea42d6c ext4: regenerate buddy after block freeing failed if under fc replay

Homepage
Download Linux 6.6.17-xanmod1 source from GitHub