Linux 2781 Published by

A new XanMod Linux Kernel based on the latest Linux Kernel 5.11.11 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-xanmodlinux-xanmod-edgelinux-xanmod-ltslinux-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 5.11.11-xanmod1

  • fa947bb Linux 5.11.11-xanmod1
  • 09e8384 Merge tag 'v5.11.11' into 5.11
  • aa7258f Linux 5.11.11
  • 632b046 xen-blkback: don't leak persistent grants from xen_blkbk_map()
  • 039f4b3 selftest/bpf: Add a test to check trampoline freeing logic.
  • d795e12 can: peak_usb: Revert "can: peak_usb: add forgotten supported devices"
  • 14a3924 nvme: fix the nsid value to print in nvme_validate_or_alloc_ns
  • 05009ab Revert "xen: fix p2m size in dom0 for disabled memory hotplug case"
  • 9e7af67 fs/ext4: fix integer overflow in s_log_groups_per_flex
  • 284acd4 ext4: add reclaim checks to xattr code
  • 19bd749 mac80211: fix double free in ibss_leave
  • 95767e8 net: dsa: b53: VLAN filtering is global to all users
  • bdd7ead r8169: fix DMA being used after buffer free if WoL is enabled
  • 0a675f6 can: dev: Move device back to init netns on owning netns delete
  • bc21889 ch_ktls: fix enum-conversion warning
  • 05f618b fs/cachefiles: Remove wait_bit_key layout dependency
  • e5f5af0 x86/mem_encrypt: Correct physical address calculation in __set_clr_pte_enc()
  • 267ca49 locking/mutex: Fix non debug version of mutex_lock_io_nested()
  • 012597d cifs: Adjust key sizes and key generation routines for AES256 encryption
  • d6e8a2f smb3: fix cached file size problems in duplicate extents (reflink)
  • 9e2cb7a scsi: mpt3sas: Fix error return code of mpt3sas_base_attach()
  • 6148b7c scsi: qedi: Fix error return code of qedi_alloc_global_queues()
  • 373ab2d scsi: Revert "qla2xxx: Make sure that aborted commands are freed"
  • 4788e5b block: recalculate segment count for multi-segment discards correctly
  • 9c36abf io_uring: fix provide_buffers sign extension
  • 3c840c4 perf synthetic events: Avoid write of uninitialized memory when generating PERF_RECORD_MMAP* records
  • 693d9a5 perf auxtrace: Fix auxtrace queue conflict
  • 321dbe6 ACPI: scan: Use unique number for instance_no
  • c299cb4 ACPI: scan: Rearrange memory allocation in acpi_device_add()
  • d219ca6 Revert "netfilter: x_tables: Update remaining dereference to RCU"
  • 6954c35 mm/mmu_notifiers: ensure range_end() is paired with range_start()
  • 399a5a9 dm table: Fix zoned model check and zone sectors check
  • 203e451 platform/x86: dell-wmi-sysman: Cleanup create_attributes_level_sysfs_files()
  • b726622 bpf: Use NOP_ATOMIC5 instead of emit_nops(&prog, 5) for BPF_TRAMP_F_CALL_ORIG
  • 85d177f bpf: Fix fexit trampoline.
  • 4c2d548 netfilter: x_tables: Use correct memory barriers.
  • 04b8e4f Revert "netfilter: x_tables: Switch synchronization to RCU"
  • f6a6d0a net: phy: broadcom: Fix RGMII delays for BCM50160 and BCM50610M
  • 741ae9a net: phy: broadcom: Set proper 1000BaseX/SGMII interface mode for BCM54616S
  • 5de176a net: phy: broadcom: Avoid forward for bcm54xx_config_clock_delay()
  • bc5c346 net: phy: introduce phydev->port
  • ea2702b net: axienet: Fix probe error cleanup
  • e0557a6 igb: avoid premature Rx buffer reuse
  • 6523e59 net, bpf: Fix ip6ip6 crash with collect_md populated skbs
  • 3331dba net: Consolidate common blackhole dst ops
  • 18ad5cc bpf: Don't do bpf_cgroup_storage_set() for kuprobe/tp programs
  • bbac102 mm: memblock: fix section mismatch warning again
  • 942bfc1 RDMA/cxgb4: Fix adapter LE hash errors while destroying ipv6 listening server
  • d70fda8 xen/x86: make XEN_BALLOON_MEMORY_HOTPLUG_LIMIT depend on MEMORY_HOTPLUG
  • cbf813a octeontx2-af: Fix memory leak of object buf
  • 458ce1e net: bridge: don't notify switchdev for local FDB addresses
  • 23cc873 platform/x86: intel_pmt_crashlog: Fix incorrect macros
  • e5932c5 PM: EM: postpone creating the debugfs dir till fs_initcall
  • a7f88d6 mfd: intel_quark_i2c_gpio: Revert "Constify static struct resources"
  • c4421a1 net/mlx5e: Fix error path for ethtool set-priv-flag
  • 1c178ae net/mlx5e: Offload tuple rewrite for non-CT flows
  • 60b66dc net/mlx5e: Allow to match on MPLS parameters only for MPLS over UDP
  • 62cc646 net/mlx5: Add back multicast stats for uplink representor
  • 8b39e4d PM: runtime: Defer suspending suppliers
  • c952919 arm64: kdump: update ppos when reading elfcorehdr
  • 3cd192e drm/msm: Fix suspend/resume on i.MX5
  • 31523d2 drm/msm: fix shutdown hook in case GPU components failed to bind
  • d6e159f platform/x86: dell-wmi-sysman: Make sysman_init() return -ENODEV of the interfaces are not found
  • 4940c55 platform/x86: dell-wmi-sysman: Cleanup sysman_init() error-exit handling
  • 70b139a platform/x86: dell-wmi-sysman: Fix release_attributes_data() getting called twice on init_bios_attributes() failure
  • 2e6468a platform/x86: dell-wmi-sysman: Make it safe to call exit_foo_attributes() multiple times
  • 2286f94 platform/x86: dell-wmi-sysman: Fix possible NULL pointer deref on exit
  • 07e797b platform/x86: dell-wmi-sysman: Fix crash caused by calling kset_unregister twice
  • 22e4f2b can: isotp: tx-path: zero initialize outgoing CAN frames
  • 5f8cad9 bpf: Fix umd memory leak in copy_process()
  • 78741b9 libbpf: Fix BTF dump of pointer-to-array-of-struct
  • 237e39c selftests: forwarding: vxlan_bridge_1d: Fix vxlan ecn decapsulate value
  • 737af13 selinux: vsock: Set SID for socket returned by accept()
  • b1afe78 net: stmmac: dwmac-sun8i: Provide TX and RX fifo sizes
  • b339d5b r8152: limit the RX buffer size of RTL8153A for USB 2.0
  • 4147dff sctp: move sk_route_caps check and set into sctp_outq_flush_transports
  • 8fdd62c igb: check timestamp validity
  • 2aafc27 net: cdc-phonet: fix data-interface release on probe failure
  • a39e937 net: check all name nodes in __dev_alloc_name
  • 99ec8db octeontx2-af: fix infinite loop in unmapping NPC counter
  • f4e5168 octeontx2-pf: Clear RSS enable flag on interace down
  • ff77243 octeontx2-af: Fix irq free in rvu teardown
  • 9822a52 octeontx2-af: Remove TOS field from MKEX TX
  • 4443c54 octeontx2-af: Formatting debugfs entry rsrc_alloc.
  • 56fb317 ipv6: weaken the v4mapped source check
  • e07586e ARM: dts: imx6ull: fix ubi filesystem mount failed
  • 8c06321 libbpf: Use SOCK_CLOEXEC when opening the netlink socket
  • d5b1065 libbpf: Fix error path in bpf_object__elf_init()
  • 4cbeb30 netfilter: flowtable: Make sure GC works periodically in idle system
  • d7f062b netfilter: nftables: allow to update flowtable flags
  • f51ef7f netfilter: nftables: report EOPNOTSUPP on unsupported flowtable flags
  • 5cb5b2c net/sched: cls_flower: fix only mask bit check in the validate_ct_state
  • 7ad5b92 ionic: linearize tso skb with too many frags
  • bbdf319 drm/msm/dsi: fix check-before-set in the 7nm dsi_pll code
  • 4b4ddf2 ftrace: Fix modify_ftrace_direct.
  • 0b2a454 nfp: flower: fix pre_tun mask id allocation
  • 7a50e1e nfp: flower: add ipv6 bit to pre_tunnel control message
  • a058433 nfp: flower: fix unsupported pre_tunnel flows
  • 9aefd55 selftests/net: fix warnings on reuseaddr_ports_exhausted
  • 331d42f mac80211: Allow HE operation to be longer than expected.
  • fe744cf mac80211: fix rate mask reset
  • 238445a can: m_can: m_can_rx_peripheral(): fix RX being blocked by errors
  • 9d6b6ee can: m_can: m_can_do_rx_poll(): fix extraneous msg loss warning
  • b0c48f0 can: c_can: move runtime PM enable/disable to c_can_platform
  • 97562a1 can: c_can_pci: c_can_pci_remove(): fix use-after-free
  • 7c5599a can: kvaser_pciefd: Always disable bus load reporting
  • eea9b68 can: flexcan: flexcan_chip_freeze(): fix chip freeze for missing bitrate
  • c150969 can: peak_usb: add forgotten supported devices
  • 8c7458a can: isotp: TX-path: ensure that CAN frame flags are initialized
  • e8166ee can: isotp: isotp_setsockopt(): only allow to set low level TX flags for CAN-FD
  • 8b1174a mptcp: fix ADD_ADDR HMAC in case port is specified
  • 191d215 tcp: relookup sock for RST+ACK packets handled by obsolete req sock
  • ea9f7fa tipc: better validate user input in tipc_nl_retrieve_key()
  • 4233914 net: phylink: Fix phylink_err() function name error in phylink_major_config
  • b7e0dc3 net: hdlc_x25: Prevent racing between "x25_close" and "x25_xmit"/"x25_rx"
  • 6817f36 netfilter: ctnetlink: fix dump of the expect mask attribute
  • 48bf42c selftests/bpf: Set gopt opt_class to 0 if get tunnel opt failed
  • a669823 flow_dissector: fix byteorder of dissected ICMP ID
  • 5905043 net: qrtr: fix a kernel-infoleak in qrtr_recvmsg()
  • 4f8e661 net: ipa: terminate message handler arrays
  • 0c60c80 clk: qcom: gcc-sc7180: Use floor ops for the correct sdcc1 clk
  • bb3cd45 ftgmac100: Restart MAC HW once
  • cd0cce7 ice: fix napi work done reporting in xsk path
  • 602e7f3 net: phy: broadcom: Add power down exit reset state delay
  • 0aa0860 net/qlcnic: Fix a use after free in qlcnic_83xx_get_minidump_template
  • 54d0ad9 kunit: tool: Disable PAGE_POISONING under --alltests
  • 72e4515 e1000e: Fix error handling in e1000_set_d0_lplu_state_82571
  • 9b86d1a e1000e: add rtnl_lock() to e1000_reset_task
  • 45bb2ab igc: Fix igc_ptp_rx_pktstamp()
  • 228cc51 igc: Fix Supported Pause Frame Link Setting
  • 6684480 igc: Fix Pause Frame Advertising
  • a45d055 igc: reinit_locked() should be called with rtnl_lock
  • 46e36a4 net: dsa: bcm_sf2: Qualify phydev->dev_flags based on port
  • 7baf9c5 net: sched: validate stab values
  • 925338a macvlan: macvlan_count_rx() needs to be aware of preemption
  • 439b116 drop_monitor: Perform cleanup upon probe registration failure
  • e31d27e ipv6: fix suspecious RCU usage warning
  • cbe40c7 net/mlx5e: E-switch, Fix rate calculation division
  • 49f80b1 net/mlx5e: Don't match on Geneve options in case option masks are all zero
  • b3ff92a net/mlx5e: Revert parameters on errors when changing PTP state without reset
  • 422379b net/mlx5e: When changing XDP program without reset, take refs for XSK RQs
  • 871c0ab net/mlx5e: Set PTP channel pointer explicitly to NULL
  • 87b5652 net/mlx5e: RX, Mind the MPWQE gaps when calculating offsets
  • 40528af libbpf: Fix INSTALL flag order
  • 0624c04 bpf: Change inode_storage's lookup_elem return value from NULL to -EBADF
  • a9b2ab5 bpf: Dont allow vmlinux BTF to be used in map_create and prog_load.
  • 3242ca0 veth: Store queue_mapping independently of XDP prog presence
  • 3bdcf2b soc: ti: omap-prm: Fix occasional abort on reset deassert for dra7 iva
  • 9865d67 ARM: OMAP2+: Fix smartreflex init regression after dropping legacy data
  • 2f61117 soc: ti: omap-prm: Fix reboot issue with invalid pcie reset map for dra7
  • 2691897 bus: omap_l3_noc: mark l3 irqs as IRQF_NO_THREAD
  • 45dc106 dm ioctl: fix out of bounds array access when no devices
  • c30e7e5 dm: don't report "detected capacity change" on device creation
  • 4f103e0 dm verity: fix DM_VERITY_OPTS_MAX value
  • c80cc46 drm/i915: Fix the GT fence revocation runtime PM logic
  • 890c8ee drm/i915/dsc: fix DSS CTL register usage for ICL DSI transcoders
  • 0f2b084 drm/amdgpu: Add additional Sienna Cichlid PCI ID
  • e31833b drm/amdgpu: fix the hibernation suspend with s0ix
  • d97d768 drm/amdgpu/display: restore AUX_DPHY_TX_CONTROL for DCN2.x
  • 9b19922 drm/amd/pm: workaround for audio noise issue
  • 9d8a81f drm/etnaviv: Use FOLL_FORCE for userptr
  • 462817c drm/nouveau/kms/nve4-nv108: Limit cursors to 128x128
  • 9840a40 integrity: double check iint_cache was initialized
  • df7ccda ARM: dts: at91-sama5d27_som1: fix phy address to 7
  • f4e47f4 ARM: dts: at91: sam9x60: fix mux-mask to match product's datasheet
  • 3126486 ARM: dts: at91: sam9x60: fix mux-mask for PA7 so it can be set to A, B and C
  • f2ff3eb arm64: dts: ls1043a: mark crypto engine dma coherent
  • 728f3e7 arm64: dts: ls1012a: mark crypto engine dma coherent
  • 8fa6280 arm64: dts: ls1046a: mark crypto engine dma coherent
  • feb1b3a arm64: stacktrace: don't trace arch_stack_walk()
  • b7c8b95 ACPICA: Always create namespace nodes using acpi_ns_create_node()
  • 2875785 ACPI: video: Add missing callback back for Sony VPCEH3U1E
  • 9a24f2c mm/highmem: fix CONFIG_DEBUG_KMAP_LOCAL_FORCE_MAP
  • ba56848 gcov: fix clang-11+ support
  • dc64239 kasan: fix per-page tags for non-page_alloc pages
  • f2b078c hugetlb_cgroup: fix imbalanced css_get and css_put pair for shared mappings
  • 19a3e89 squashfs: fix xattr id and id lookup sanity checks
  • ddc05df squashfs: fix inode lookup sanity checks
  • a4d98a9 z3fold: prevent reclaim/free race for headless pages
  • 635bb49 psample: Fix user API breakage
  • 2050605 platform/x86: intel-vbtn: Stop reporting SW_DOCK events
  • a2035c9 netsec: restore phy power state after controller reset
  • d7e5ee6 selinux: fix variable scope issue in live sidtab conversion
  • 9006088 selinux: don't log MAC_POLICY_LOAD record on failed policy load
  • 5025134 btrfs: fix subvolume/snapshot deletion not triggered on mount
  • 8992c3e btrfs: fix sleep while in non-sleep context during qgroup removal
  • 205d2ed btrfs: initialize device::fs_info always
  • 24725ca btrfs: fix check_data_csum() error message for direct I/O
  • 8730c91 btrfs: do not initialize dev replace for bad dev root
  • a5efdb3 btrfs: do not initialize dev stats if we have no dev_root
  • ca64d2a KVM: x86: Protect userspace MSR filter with SRCU, and set atomically-ish
  • 84a47b7 static_call: Fix static_call_set_init()
  • 5edc307 static_call: Fix the module key fixup
  • 4ee2f67 static_call: Allow module use without exposing static_call_key
  • fe6e1bd static_call: Pull some static_call declarations to the type headers
  • f7a81b4 ia64: fix ptrace(PTRACE_SYSCALL_INFO_EXIT) sign
  • 2e5df91 ia64: fix ia64_syscall_get_set_arguments() for break-based syscalls
  • bf32c0b mm/fork: clear PASID for new mm
  • 698e5db io_uring: cancel deferred requests in try_cancel
  • f614a7f block: Suppress uevent for hidden device when removed
  • 68dade7 nfs: we don't support removing system.nfs4_acl
  • 645c3a3 nvme-pci: add the DISABLE_WRITE_ZEROES quirk for a Samsung PM1725a
  • cdcb992 nvme-rdma: Fix a use after free in nvmet_rdma_write_data_done
  • 0defa56 nvme-core: check ctrl css before setting up zns
  • 4994ebf nvme-fc: return NVME_SC_HOST_ABORTED_CMD when a command has been aborted
  • e11e833 nvme-fc: set NVME_REQ_CANCELLED in nvme_fc_terminate_exchange()
  • e34bc51 nvme: add NVME_REQ_CANCELLED flag in nvme_cancel_request()
  • 51669f7 nvme: simplify error logic in nvme_validate_ns()
  • f632b1e drm/radeon: fix AGP dependency
  • 51c2898 drm/amdgpu: fb BO should be ttm_bo_type_device
  • 685db0f drm/amdgpu/display: Use wm_table.entries for dcn301 calculate_wm
  • 6f46011 drm/amd/display: Enabled pipe harvesting in dcn30
  • 6580645 drm/amd/display: Revert dram_clock_change_latency for DCN2.1
  • 56043c3 drm/amd/display: Enable pflip interrupt upon pipe enable
  • 0867825 block: Fix REQ_OP_ZONE_RESET_ALL handling
  • 0bb6bda regulator: qcom-rpmh: Use correct buck for S1C regulator
  • 2fee1be regulator: qcom-rpmh: Correct the pmic5_hfsmps515 buck
  • fd2d1cc kselftest: arm64: Fix exit code of sve-ptrace
  • d8aaff9 u64_stats,lockdep: Fix u64_stats_init() vs lockdep
  • 3f88406 staging: rtl8192e: fix kconfig dependency on CRYPTO
  • 4ddfee8 habanalabs: Disable file operations after device is removed
  • b41ef75 habanalabs: Call put_pid() when releasing control device
  • a2aadd6 sparc64: Fix opcode filtering in handling of no fault loads
  • a4b0e21 umem: fix error return code in mm_pci_probe()
  • 207e723 kbuild: dummy-tools: fix inverted tests for gcc
  • 0346028 kbuild: add image_name to no-sync-config-targets
  • 8dbe24b irqchip/ingenic: Add support for the JZ4760
  • 0ee03a8 cifs: change noisy error message to FYI
  • a81f8a7 atm: idt77252: fix null-ptr-dereference
  • 5700aec atm: uPD98402: fix incorrect allocation
  • f548e1d net: enetc: set MAC RX FIFO to recommended value
  • 469a97c net: davicom: Use platform_get_irq_optional()
  • 31604dd net: wan: fix error return code of uhdlc_init()
  • b8d9630 net: hisilicon: hns: fix error return code of hns_nic_clear_all_rx_fetch()
  • 860edfa NFS: Correct size calculation for create reply length
  • 4e1854c nfs: fix PNFS_FLEXFILE_LAYOUT Kconfig default
  • 39bbcd8 gpiolib: acpi: Add missing IRQF_ONESHOT
  • 4ea4183 cpufreq: blacklist Arm Vexpress platforms in cpufreq-dt-platdev
  • d3d7254 gfs2: fix use-after-free in trans_drain
  • 14c6e45 cifs: ask for more credit on async read/write code paths
  • 5b54b18 gianfar: fix jumbo packets+napi+rx overrun crash
  • ffadc28 sun/niu: fix wrong RXMAC_BC_FRM_CNT_COUNT count
  • 10e279b net: intel: iavf: fix error return code of iavf_init_get_resources()
  • 85d8430 net: tehuti: fix error return code in bdx_probe()
  • 5b78d2f blk-cgroup: Fix the recursive blkg rwstat
  • fe39c84 scsi: ufs: ufs-qcom: Disable interrupt in reset path
  • 3090a6a ixgbe: Fix memleak in ixgbe_configure_clsu32
  • a81ca56 ALSA: hda: ignore invalid NHLT table
  • 043bd60 Revert "r8152: adjust the settings about MAC clock speed down for RTL8153"
  • fcafe4c atm: lanai: dont run lanai_dev_close if not open
  • 86f9655 atm: eni: dont release is never initialized
  • 4e94f30 powerpc/4xx: Fix build errors from mfdcr()
  • e5183a7 net: fec: ptp: avoid register access when ipg clock is disabled
  • 61f976d net: stmmac: fix dma physical address of descriptor when display ring
  • ba5ec41 mt76: mt7915: only modify tx buffer list after allocating tx token id
  • 12d8103 mt76: fix tx skb error handling in mt76_dma_tx_queue_skb

Xanmod

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Download Linux 5.11.11-xanmod1 source from GitHub