Linux kernel regression status

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  • 0c7ffa32dbd6
    (v6.5-rc1)
  • resume from standby fails on Thinkpad with Kaby Lake CPU by kbugreports and kbugreports
    Marked inconclusive: kernel used by the reporter is not vanilla

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  • 3ea3354cb9f0
    (v6.7-rc1)
  • badblocks_check regression (md error handling) on bcachefs volume by Janpieter Sollie and Janpieter Sollie
    Marked inconclusive: maybe not a regression and report can not reproduce it anymore

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  • e96c6b8f212a
    (v6.7-rc1)
  • memblock: platforms supporting SGX fail to kexec by Ashok Raj
    Marked inconclusive: radio silence from reporter

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  • v5.15..v5.16
  • No power to DVD drive by Bruce Healey and Bruce Healey
    Marked inconclusive: no one cares the regression

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  • e611f8cd8717
    (v5.13-rc1)
  • Keystone PCI driver probing and SerDes PLL timeout by Diogo Ivo
    Marked inconclusive: fixed in mainline (maybe accidentally), but not in stable

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  • 0c7ffa32dbd6
    (v6.5-rc1)
  • resume from standby fails on Thinkpad with Kaby Lake CPU by kbugreports
    Marked inconclusive: kernel used by the reporter is not vanilla

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  • 3ea3354cb9f0
    (v6.7-rc1)
  • badblocks_check regression (md error handling) on bcachefs volume by Janpieter Sollie
    Marked inconclusive: maybe not a regression and report can not reproduce it anymore

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  • v6.4..v6.5
  • Uhhuh. NMI received for unknown reason 3d/2d/ on CPU xx by Janpieter Sollie and Janpieter Sollie
    Marked inconclusive: regression not bisected - possibly hardware issue

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  • 024128477809
    (v6.6-rc1)
  • quota: boot on Intel Merrifield after merge commit 1500e7e0726e by Andy Shevchenko
    Marked inconclusive: individual and strange timing issue that got stuck

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  • 9d4f84a15f9c
    (v5.15.75)
  • regression in USB DWC3 driver due to missing gfladj-refclk-lpm-sel-quirk quirk by Tomasz Rostanski
    Marked inconclusive: unfixed afaic, as patches to fix this got stuck

    All known activities:

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    stable
  • 6faddda69f62
    (v6.6-rc1)
  • stable offsets directory operation support triggers offset_ctx->xa memory leak by vladbu and vladbu
    Earliest & latest activity:  & . Noteworthy: [1].
    [1]: memleak in libfs report
    , by Vlad Buslov (monitored) [via dup]

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  • v6.5..v6.6
  • only two side buttons of Logitech G502 X Plus works on kernel 6.6.1 by André Kunz

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  • 3066ff93476c
    (v6.5-rc3)
  • fuse: creating new files, or reading existing files in i Android, now returns -EFAULT by André Draszik

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  • v6.4..v6.5
  • UDMA configured spam on Marvell RAID controller by Timo Gurr and Timo Gurr
    [1]: [PATCH] scsi: Do no try to probe for CDL on old drives
    , by Damien Le Moal (monitored) [via dup]
    [2]: [PATCH 6.5 253/321] scsi: core: ata: Do no try to probe for CDL on old drives
    , by Greg Kroah-Hartman (monitored) [via dup]
    Fix incoming: scsi: Do no try to probe for CDL on old drives

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  • v6.5..v6.6
  • autofs mount/umount hangs with recent kernel? by Daire Byrne

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  • e8b908146d44
    (v6.4-rc1)
  • resume with a Thunderbolt dock broke with commit e8b908146d44 "PCI/PM: Increase wait time after resume" by Kamil Paral
    Marked inconclusive: workaround found, debugging stuck

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  • 726097d6d6d8
    (v5.1-rc1)
  • phy: fixed link 1000 or 100 set with autoneg off by Jia, Fang

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  • 4bc31edebde5
    (v5.18-rc6)
  • mmc: core: eMMC support broken on Odroid-C1 by Martin Blumenstingl
    Marked inconclusive: seem nobody cares anymore

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  • v5.10..v6.5
  • Flowtables ignore timeout settings in recent kernels by Vladimir Smelhaus

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  • 5a838e5d5825
    (v5.13-rc1)
  • simplifying qxl_fence_wait() makes VRAM BO allocation fail by Salvatore Bonaccorso

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  • v6.4..v6.5.2
  • ovl: commas in overlayfs mount options broke by Ryan Hendrickson
    [1]: [PATCH 2/2] ovl: fix regression in parsing of mount options with esacped comma
    , by Amir Goldstein (monitored)
    [3]: [PATCH 6.5 188/191] ovl: fix regression in parsing of mount options with escaped comma
    , by Greg Kroah-Hartman (monitored)

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  • v6.2..v6.5
  • rtw89_8852be wifi disconnects in power saving mode by Victor and Victor

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  • v5.15..v6.0
  • NULL pointer dereference on filemap_get_folio() on Intel Core i5-10500 by Vladimir Lomov and Vladimir LomovLatest patch: bugzilla.kernel.org bug 217441: new comment(#21)
    , by Matthew Wilcox; signed-off-by present

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  • v6.4..v6.5
  • Fwd: Uhhuh. NMI received for unknown reason 3d/2d/ on CPU xx by Janpieter Sollie
    Marked inconclusive: regression not bisected - possibly hardware issue

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  • v4.19..v5.15
  • bad frame in rt_sigreturn (libc-related?) regression after 5.15 upgrade by Theodor Milkov and Theodor Milkov

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  • v6.4..v6.5
  • ucsi_acpi boot crash when USB drive is connected to USB-C port by Oleksii Shevchuk and Oleksii Shevchuk

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  • 3ec5ac12ac8a
    (v6.6-rc1)
  • wifi: mt76: mt7915: removal of VHT160 capability broke hostap by Oleksandr Natalenko
    Marked inconclusive: tricky situation, no simple way out afaics

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  • v5.14..v5.15
  • e1000e performance drop (slow receive/rx) on i219-LM (Alder Lake) by Scott Silverman and Scott Silverman

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  • v6.1..v6.4
  • OOB protocol access fix breaks Elan Touchpad 1206 by Verot
    Marked inconclusive: not bisected, reporter MIA

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  • v6.4..v6.5
  • slow boot possibly due to firmware (TPM?) issues by Marcus Seyfarth, Marcus Seyfarth, and Marcus Seyfarth
    Earliest & latest activity:  & . Noteworthy: [patch].
    Latest patch: Re: Fwd: [6.5.1] Slow boot and opening files (RIP: kvfree_rcu_bulk)
    , by Uladzislau Rezki; simple patch

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  • v6.1..v6.3
  • unable to boot with Dell U2720Q monitor attached by primalmotion
    Marked inconclusive: firmware bug, fixing the kernel only workarounds buggy firmware

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  • v5.15..v5.16
  • Bug 216360 - No power to DVD drive by Bruce Healey
    Marked inconclusive: no one cares the regression

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  • v6.1..v6.2
  • amd-sfh module causes reboot and shutdown hangs randomly on hp aero 13 by Mehmet and MehmetLatest patch: bugzilla.kernel.org bug 217900: new comment(#21)
    , by Mario Limonciello (AMD); signed-off-by present
    Earlier patches: 1

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  • v6.4..v6.5
  • systemd services timeout causing almost an hour of boot time by Marc Haber

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  • v6.3.9..v6.4.2
  • Re: regression: kernel 6.4.x breaks scanning/pairing (but not use) of LE devices by Paul Menzel
    Earliest & latest activity:  & . Noteworthy: [1], [2], [3], [4], [5], [6], [7], [8].
    [1]: [PATCH] Bluetooth: HCI: Introduce HCI_QUIRK_BROKEN_LE_CODED
    , by Luiz Augusto von Dentz (monitored)
    [2]: [PATCH v2] Bluetooth: HCI: Introduce HCI_QUIRK_BROKEN_LE_CODED
    , by Luiz Augusto von Dentz (monitored)
    [3]: [PATCH v3] Bluetooth: HCI: Introduce HCI_QUIRK_BROKEN_LE_CODED
    , by Luiz Augusto von Dentz (monitored)
    [4]: [PATCH v4] Bluetooth: HCI: Introduce HCI_QUIRK_BROKEN_LE_CODED
    , by Luiz Augusto von Dentz (monitored)
    [7]: [PATCH 6.5 730/739] Bluetooth: HCI: Introduce HCI_QUIRK_BROKEN_LE_CODED
    , by Greg Kroah-Hartman (monitored)
    [8]: [PATCH 6.4 727/737] Bluetooth: HCI: Introduce HCI_QUIRK_BROKEN_LE_CODED
    , by Greg Kroah-Hartman (monitored)

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  • d8d2b65a940b
    (v6.2-rc1)
  • PCI/portdrv: vfio-pci driver fails to work with Intel DG2 (A770) discrete graphics by Gwan-gyeong Mun
    Marked inconclusive: seem nobody cares anymore

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  • v6.4..v6.5
  • [6.5.1] Slow boot and opening files (RIP: kvfree_rcu_bulk) by Marcus Seyfarth

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  • 9b539c4d1b92
    (v6.4-rc1)
  • using pci aperture helpers deactivates AMD ES1000 VGA controller by Alexei Gradinari
    Marked inconclusive: now tracked on gitlab.freedesktop.org tracker

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  • 9b539c4d1b92
    (v6.4-rc1)
  • using pci aperture helpers deactivates AMD ES1000 VGA controller by Alexei Gradinari and Alexei Gradinari
    Marked inconclusive: now tracked on gitlab.freedesktop.org tracker

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  • 9d4f84a15f9c
    (v5.15.75)
  • regression in USB DWC3 driver due to missing gfladj-refclk-lpm-sel-quirk quirk by Tomasz Rostanski and Tomasz Rostanski
    Marked inconclusive: unfixed afaic, as patches to fix this got stuck

    Latest five known activities:

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    stable
  • v5.16..v6.4
  • Thinkpad L14 Gen 1 keyboard not working on Plasma session by José Ramón Muñoz Pekkarinen

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  • 04755d2e5821
    (v6.0-rc1)
  • xfs: system fails to boot up due to Internal error xfs_trans_cancel by shrikanth hegde
    [1]: [RFC PATCH] xfs: load uncached unlinked inodes into memory on demand
    , by Darrick J. Wong (monitored)

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  • v6.1.27..v6.1.32
  • kernel warning (oops) at inet_sock_destruct by fishg
    [1]: Re: [syzbot] [net?] WARNING in inet_sock_destruct (4)
    , by Muhammad Usama Anjum (monitored)
    Marked inconclusive: likely an older problem

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    stable
  • v6.1.27..v6.1.32
  • kernel warning (oops) at inet_sock_destruct by fishg and fishg
    [1]: Re: [syzbot] [net?] WARNING in inet_sock_destruct (4)
    , by Muhammad Usama Anjum (monitored) [via dup]
    Marked inconclusive: likely an older problem

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    stable
  • v6.1..v6.3
  • unable to boot with Dell U2720Q monitor attached by primalmotion and primalmotion
    Marked inconclusive: firmware bug, fixing the kernel only workarounds buggy firmware

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  • f1a7941243c
    (v6.2-rc1)
  • mm: performance regression on shell-heavy workloads by Jan Kara
    On back burner: not urgent according to reporter
    , by Linux regression tracking #adding (Thorsten Leemhuis)

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  • 4e7ea81db534
    (v3.11-rc1)
  • ext4: Race condition between buffer write and page_mkwrite by Muhammad Usama Anjum
    [1]: [PATCH v2] ext4: fix race condition between buffer write and page_mkwrite
    , by Baokun Li (monitored)

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  • a33e5e393171
    (v6.4-rc1)
  • Fixing in_illuminance_raw value hard-codes ACS/ALS to 0 by Kai-Heng Feng and Kai-Heng Feng

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  • a33e5e393171
    (v6.4-rc1)
  • Fixing in_illuminance_raw value hard-codes ACS/ALS to 0 by Kai-Heng Feng
    Earliest & latest activity: . Noteworthy: [marked inconclusive], [is a duplicate].

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  • v6.1..v6.4
  • screen shakes on Intel® Iris® Xe by Johannes and Johannes

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  • v6.3..v6.4.5
  • [perf] Build error when using LTO on 6.4 by Marcus Seyfarth and Marcus Seyfarth

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  • v5.16..v5.17
  • Only Toshiba MG08/MG09 SATA hard disks disappear after resume from S3 suspend (reproducible) - AMD Ryzen 5 PRO 4650G by Nils and Nils
    On back burner: hard to debug, as reporter is unable to try custom kernels
    , by Thorsten Leemhuis

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  • v6.1..v6.4
  • OOB protocol access fix breaks Elan Touchpad 1206 by Verot and Verot
    Marked inconclusive: not bisected, reporter MIA

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  • v6.3.6..v6.3.7
  • page allocation error (kernel fault on hibernation involving get_zeroed_page/swsusp_write) by Elmar Stellnberger and Elmar Stellnberger
    Marked inconclusive: impossible to reproduce

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    stable
  • 552d6fd2f2
  • net: wireless: association is rejected by AP by Michal Smulski and Michal Smulski

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  • 241d2fb56a18
    (v6.2-rc8)
  • Open Firmware framebuffer cannot find of-display by Cyril Brulebois
    [1]: Updating hardcoded "of-display" devices
    , by Cyril Brulebois
    Marked inconclusive: no answer to a status inquiry

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  • 24867516f06d
    (v6.1-rc1)
  • Regression from "ACPI: OSI: Remove Linux-Dell-Video _OSI string"? (was: Re: Bug#1036530: linux-signed-amd64: Hard lock up of system) by Salvatore Bonaccorso
    Marked inconclusive: reporting deadlock (see thread for details)

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  • v6.2.12..v6.3.5
  • nginx blocked for more than 10 minutes on 6.3.5 by Martin Zaharinov
    Marked inconclusive: reporter MIA when being asked to provide regression details

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  • e10dcb1b6ba7
    (v5.9-rc1)
  • net: cdc_ncm: spec violation for CDC NCM by Kaushal Purohit, Oliver Neukum, and Unknown
    Marked inconclusive: radio silence, ignoring

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  • c222f77fd
    (v6.3-rc1)
  • wifi: mt76: mt7921: DHCPv4 exchange broke by Andrey Rakhmatullin

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  • v6.3.6..v6.3.7
  • page allocation error (kernel fault on hibernation involving get_zeroed_page/swsusp_write) by Elmar Stellnberger
    Marked inconclusive: impossible to reproduce

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    stable
  • 7a637784d517
    (v5.18-rc1)
  • serial: imx: overrun errors on debug UART by Stefan Wahren

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  • 23dfa42a0a2a
    (v4.14.267)
  • no serial output in KernelCI tests on meson8b-odroidc1 for stable-4.14 by Ricardo Cañuelo
    [1]: stable-rc/linux-4.14.y bisection: baseline.login on meson8b-odroidc1
    , by Ricardo Cañuelo (monitored)

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    stable
  • 1f52d7b62285
    (v5.18-rc1)
  • field-spanning write (memcpy) detected on Intel XMM7360 by Florian Klink and Florian Klink
    Marked inconclusive: a field-spanning write warning

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  • v6.3..v6.4-rc6
  • btrfs: occasional data csum mismatch by Qu Wenruo
    Marked inconclusive: likely a overheating problem and not a regression

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  • 9ad1e7e5b0c4
    (v6.3-rc1)
  • AX201 crash on traffic activity due to firmware API bump by evgeny nikiforov

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  • v5.19-rc6..v6.2-rc1
  • net: wireless: ath11k: QCA6390 by mani
    Marked inconclusive: reporter didn't react to inquiries

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    • v4.19..v5.10
    • 44100hz is mistaken as 48000hz on Apple Headphone Jack Adapter by AT and AT
      Earliest & latest activity:  & . Noteworthy: [1], [2].

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    • v6.2..v6.3
    • input: Logitech Trackball M575 misidentified by Xose Vazquez Perez

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    • v6.1.3..v6.1.6
    • Asus X541UAK hangs on suspend and poweroff by Acid Bong

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      stable
    • v5.19-rc6..v6.2-rc1
    • net: wireless: ath11k: QCA6390 by mani and mani
      Marked inconclusive: reporter didn't react to inquiries

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    • v6.1..v6.2
    • drm: amdgpu: system becomes unpleasant to use after monitor starts blinking and turns full white by Felix Richter

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    • v6.2..v6.3
    • btrfs_work_helper dealloc error in v6.3.x by a1bert and a1bert
      Earliest & latest activity:  & . Noteworthy: [1], [2], [patch].
      [2]: Re: [PATCH] mm/vmalloc: do not output a spurious warning when huge vmalloc() fails
      , by Vlastimil Babka (monitored) [via dup]
      Latest patch: Re: [PATCH] mm/vmalloc: do not output a spurious warning when huge vmalloc() fails
      , by Uladzislau Rezki; simple patch
      Earlier patches: 1

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    • v5.15..v6.3
    • Chromebook XE303C12 backlight stopped working with gpio warnings by Andrew
      Marked inconclusive: not a kernel regression

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    • v5.15..v6.3
    • Chromebook XE303C12 backlight stopped working with gpio warnings by Andrew and Andrew
      Marked inconclusive: not a kernel regression

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    • v6.1.12..v6.2.12
    • vast raster right and bottom borders on larger display (two displays with inequal resolution) unless forcing resolution with video= parameter by Bagas Sanjaya
      Marked inconclusive: Wrong reporter assigned (from: doesn't take effect)

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    • 1f391df44607
      (v5.19-rc1)
    • media: v4l2-async: async subdevice probing stopped working on TQMa6x by Alexander Stein
      Marked inconclusive: revert no option and a proper fix will take some time

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    • f6b384631e1e
      (v6.4-rc1)
    • unable to handle kernel NULL pointer dereference in xfs_extent_free_diff_items (due to xfs_extfree_intent perag change) by Pengfei Xu
      Marked inconclusive: syzbot regression that would need further analysis

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    • 77b97ef4908a
      (v5.4.225)
    • dmaengine: at_hdmac: receiving data through the RS485 interface broke by Kristof Havasi
      Marked inconclusive: reporter apparently lost interest

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      stable
    • v5.16.18..v5.17-rc3
    • psmouse suspend failed on ThinkPad L540 by kolAflash and kolAflash

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    • 9b014266ef8a
      (v5.19-rc1)
    • The microphone mute led not working after linux 6 by sonic82003 and sonic82003

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    • v6.2..v6.3
    • pm: thermal: intel_powerclamp null pointer dereference by Risto A. Paju and Risto A. Paju

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    • v6.2..v6.3
    • net: ixgbe: jumbo frames stopped working by Ian Kumlien

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    • 0fc6fea41c71
      (v6.1.23)
    • drm: i915: GPD Pocket 3 modeset broken by Kurt Garloff
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      stable
    • a4e771729a51
      (v6.3-rc1)
    • Re:drm/probe_helper: fix the warning reported when calling drm_kms_helper_poll_disable during suspend by Dmitry Baryshkov
      Marked inconclusive: a warn() without serious impact, see discussion

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    • v6.1..v6.2
    • system started to stutter by proteve and proteve

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    • f99e6d7c4ed3
      (v6.3-rc2)
    • net: bgmac: bootrr.deferred-probe-empty test fails in KernelCi on sun8i-h3-libretech-all-h3-cc by Ricardo Cañuelo
      Marked inconclusive: CI false positive

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    • v6.1..v6.3-rc1
    • Re:Backlight control broken on Dell G15 5515 since 6.1 by Bagas Sanjaya and Unknown
      Marked inconclusive: mess up as duplicate (originally menat updating introducing range)

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    • v6.1..v6.1.4
    • Backlight control broken on Dell G15 5515 since 6.1 by Youssef Aly

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    • v5.10..v5.15.103
    • Linux 6.2.1 hits a display driver bug (list_del corruption, ffff88811b4af298->next is NULL) by Bagas Sanjaya
      Marked inconclusive: Still on process on finding last known good commit

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    • 0c5ffc3d7b15
      (v6.3-rc1)
    • CPUIDLE_FLAG_RCU_IDLE, blk_mq_freeze_queue_wait() and slow-stuck reboots by Alexey Klimov

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    • 62b95a7b44d1
      (v6.3-rc1)
    • arm: vfp: random Warning backtraces in calls from ct_nmi_enter() by Guenter Roeck
      [1]: [PATCH v4 03/12] ARM: vfp: Fix broken softirq handling with instrumentation enabled
      , by Ard Biesheuvel (monitored)
      Marked inconclusive: problem vanished, but there is a fix in linux-next now, too

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    • a56a1138cbd8
      (v5.17-rc7)
    • [BUG] BLE device unpairing triggers kernel panic by Ahmad Fatoum
      Earliest & latest activity:  & . Noteworthy: [1], [patch].
      On back burner: debuging is slow this further
      , by Thorsten Leemhuis
      [1]: [PATCH] Bluetooth: hci_sync: complete LE connection on any event
      , by Ahmad Fatoum (monitored)
      Latest patch: Re: [BUG] BLE device unpairing triggers kernel panic
      , by Luiz Augusto von Dentz; simple patch

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    • e10dcb1b6ba7
      (v5.9-rc1)
    • Re: issues with cdc ncm host class driver by Oliver Neukum
      Marked inconclusive: radio silence, ignoring

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    • v5.18..v6.2
    • net: wireguard: clients can no longer connect by Dan Crawford

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    • v5.15..v6.1.12
    • block: md: raid0 no longer assembled by Nikolay Kichukov and Nikolay Kichukov
      Earliest & latest activity:  & . Noteworthy: [1], [patch].
      [1]: [PATCH - mdadm] mdopen: always try create_named_array()
      , by NeilBrown (monitored)
      Latest patch: Re: [regression] Bug 217074 - upgrading to kernel 6.1.12 from 5.15.x can no longer assemble software raid0
      , by NeilBrown; simple patch

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    • 18c7deca2b81
      (v6.0-rc1)
    • led: kernel bug when setting trigger to "phy0tpt" by Tobias Dahms
      Marked inconclusive: it seems nobody (including the reporters) does care anymore

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    • e8f60cd7db24..2eb29d59ddf0
      (within v6.2-rc3..v6.3-rc1)
    • iwlwifi: frequent drops between v6.2-rc3 and v6.3-rc1 by Vegard Nossum
      On back burner: not bisected and lack of data to debug this further
      , by Linux regression tracking #update (Thorsten Leemhuis)

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    • v5.19..v6.0
    • bfq: severe IO scheduling starvation issues with btrfs by Wyatt Childers and Wyatt Childers

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    • v5.19..v6.0-rc2
    • Bug 216371 - acpi wake up with black screen with msg "amd_gpio AMDI0030:00: failed to get iomux index" by neoe
      Marked inconclusive: likely bad bisect and reporter MIA

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      • c82a69629c53
        (v6.0-rc1)
      • sched/fair: UDP ~20% degradation by Tariq Toukan
        Marked inconclusive: lack of data to debug, as it looks like the reporter stopped caring

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      • v5.19..v6.0
      • closing laptop lid wakes from suspend Lenovo Slim 7 Pro by regulator

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        • v5.19..v6.0
        • closing laptop lid wakes from suspend Lenovo Slim 7 Pro by regulator and regulator

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        • 307cc9baac5c
          (v5.14-rc1)
        • sound: avantree Leaf USB audio device stopped playing sound in applications run via wine by Bernd Steinhauser

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          • 10befea91b61
            (v5.9-rc1)
          • mqueue performance degradation after "The new cgroup slab memory controller" patchset. by Luther, Sven
            [1]: [PATCH RFC] ipc/mqueue: introduce msg cache
            , by Roman Gushchin (monitored)

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          • 307cc9baac5c
            (v5.14-rc1)
          • sound: avantree Leaf USB audio device stopped playing sound in applications run via wine by Bernd Steinhauser and Bernd Steinhauser

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          • v6.1..v6.2-rc4
          • brightness: /sys/class/backlight interface is missing (in 6.1.3->6.1.4, too?) by walter59
            Marked inconclusive: it appears that dropping acpi_backlight=vendor solves this

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            • v6.1..v6.2-rc5
            • chrome crashes by Chris McGimpsey-Jones
              Marked inconclusive: reporter MIA and likely individual (local?) issue anyway

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            • v6.0..v6.1-rc8
            • bcache: memcpy: detected field-spanning write... by Alexandre Pereira
              [1]: [PATCH] bcache: Silence memcpy() run-time false positive warnings
              , by Kees Cook (monitored)
              [2]: [PATCH AUTOSEL 6.1 19/20] bcache: Silence memcpy() run-time false positive warnings
              , by Sasha Levin (monitored)
              [3]: [PATCH 6.1 110/208] bcache: Silence memcpy() run-time false positive warnings
              , by Greg Kroah-Hartman (monitored)

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            • 4.9.88..5.10.149
            • [Intel-wired-lan] Supermicro AOC-STGN-I1S (Intel 82599EN based 10G adapter) - poor network perfomance after moving to Debian 11.5 by Bartek Kois
              On back burner: need bisection that will take some time to get done
              , by Linux regression tracking (Thorsten Leemhuis)

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            • v6.1..v6.2-rc4
            • brightness: /sys/class/backlight interface is missing (in 6.1.3->6.1.4, too?) by walter59 and walter59
              Marked inconclusive: it appears that dropping acpi_backlight=vendor solves this

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            • v6.0..v6.1-rc4
            • tpm: suspend to ram fails due to tpm errors, caused by a race or something that happens more often now by Vlastimil Babka
              Earliest & latest activity:  & . Noteworthy: [1].
              [1]: Re: [REGRESSION] suspend to ram fails in 6.2-rc1 due to tpm errors
              , by Vlastimil Babka (monitored)

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            • 6b8ed62008a4
              (v5.8-rc1)
            • ext4: 3% degradation in IOPS score, likely due to a change that influences latency vs throughput by Bhatnagar, Rishabh
              On back burner: latency vs throughput issue -- fixing it would be more of an research project than an easy fix
              , by Linux kernel regression tracking (#update)

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            • v5.19..v6.0-rc7
            • nvme: system partially freezes with "nvme controller is down" by Julian Groß
              Marked inconclusive: stalled and might be a hw issue

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            • v6.0..v6.1
            • net: brcmfmac: Wi-Fi is failing to work on Macs with the BCM4364 rev 3 chips by Aditya Garg

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            • v6.0..v6.1
            • dri: vmwgfx: boot hang in VirtualBox due to an oops by Kaiwan N Billimoria

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            • 9b014266ef8a
              (v5.19-rc1)
            • Bug 216818 - The microphone mute led not working after linux 6 by sonic82003

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            • a4bd8da893a3
              (v5.7-rc1)
            • i2c: at24 eeprom writing times out on sama5d3 by Peter Rosin
              On back burner: a proper fix will take some time and reporter has a work-around
              , by Thorsten Leemhuis
              [1]: [PATCH 0/3] i2c: at91: Fixes and updates
              , by Codrin Ciubotariu (monitored)
              Latest patch: [PATCH 3/3] i2c: at91: add advanced digital filtering support for SAMA5D4
              , by Codrin Ciubotariu; signed-off-by present
              Earlier patches: 1, 2

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            • 35fcd75af3ed
              (v6.0-rc1)
            • xfs/dax/reflink are totally broken on 6.1 by Shiyang Ruan

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            • v5.19..v6.0-rc2
            • acpi wake up with black screen(failed to get iomux index) by neoe and neoe
              Marked inconclusive: likely bad bisect and reporter MIA

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            • 78c768e619fb
              (v5.19-rc1)
            • slow crng initialization on Rockchip 3399 (Friendyarm NanoPi M4) by Mikhail Rudenko and Mikhail Rudenko

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            • c7ff29763989
              (v5.18-rc1)
            • thermald regression (MEMLEAK) by Mirsad Goran Todorovac
              Marked inconclusive: likely wasn't a regression

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            • 766ae2422b43
              (v6.0-rc1)
            • net: bluetooth: Cambridge Silicon Radio, Ltd Bluetooth Dongle unusable again with kernel 6.0 by Jack

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            • 007ac0262b0d
              (v6.1-rc1)
            • drm: msm: DSI controller being switched off before the panel unprepare hook is called by Caleb Connolly
              Marked inconclusive: reporter MIA

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            • v5.19..v6.0
            • system freezing random time on msi laptop by misac1987 and misac1987

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            • v5.19..v6.0
            • Intel ASoC sound broken again by Jason M.

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            • v5.19..v6.0
            • v6.0.x fails to boot after updating from v5.19.x by Dominic Jones

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            • a1375562c0a8..46452d3786a8
              (within v6.0-rc7..v6.0)
            • crypto: kernel panic after "RIP: 0010:clmul_polyval_update+0x3e9/0x5d0 [polyval_clmulni]" by Bruno Goncalves and Erhard F.

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            • v5.17..v5.18
            • Bug 216582 - BUG: kernel NULL pointer dereference - nlmclnt_setlockargs by Thorsten Leemhuis
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            • b88bf6c3b6ff
              (v5.7-rc1)
            • boot interrupt quirk (also in 4.19.y) breaks serial ports by Grzegorz Halat
              On back burner: known since 2020, original developer likely moved on
              , by Thorsten Leemhuis

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            • e5ad96f388b7
              (v5.15-rc1)
            • Intel TGL notebook no longer enters power states deeper than PC2 by MarcelHB
              Earliest & latest activity:  & . Noteworthy: [1], [2], [3], [patch].
              [2]: [Bug] nvme blocks PC10 since v5.15 - bisected
              , by Rafael J. Wysocki (monitored)
              [3]: [PATCH] nvme/pci: default to simple suspend
              , by Keith Busch (monitored)
              Latest patch: Re: [PATCH] nvme/pci: default to simple suspend
              , by Keith Busch; simple patch

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            • 78c768e619fb
              (v5.19-rc1)
            • [REGESSION] Bug 216502 - slow crng initialization on Rockchip 3399 (Friendyarm NanoPi M4) by Mikhail Rudenko
              Earliest & latest activity: . Noteworthy: [marked inconclusive], [is a duplicate].

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            • v5.11..v5.12-rc1
            • stalling IO regression in linux 5.12 by Chris Murphy
              Earliest & latest activity:  & . Noteworthy: [patch].
              Latest patch: Re: stalling IO regression since linux 5.12, through 5.18
              , by Ming Lei; simple patch
              Earlier patches: 1

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            • v5.18..5.18.7
            • XP-Pen Star G430S stops working on any kernel newer than 5.18.7 by gomapo2868 and gomapo2868

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            • v5.18..v5.19
            • Bug 216386 - rtw_8822be: Wifi stops working after resume by Utkarsh Verma and Thorsten Leemhuis

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            • 78013eaadf69
              (v5.19-rc1)
            • dma/iommu/gart/usb: USB errors during boot by Alan J. Wylie
              On back burner: unusual config, workaround found, devs still want to fix it, but apparently not urgent
              , by Thorsten Leemhuis

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            • v5.18..v5.19
            • Thinkpad X1C 9th mute LED stop working after kernel 5.19 upgrade by plum and plum
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            • v4.15..v4.19
            • 3G USB Modem Huawei k4203 stop working on kernel > 4.X by S.Bonomar and S.Bonomar
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            • v5.15..v5.16
            • wireless: iwlwifi: Firmware crash frequently with firmware 36.ca7b901d.0 (8265-36.ucode) by Udo Steinberg
              Earliest & latest activity:  & . Noteworthy: [1].

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            • v5.16..v5.17
            • fscache: file contents are corrupted by Max Kellermann
              Earliest & latest activity:  & . Noteworthy: [1], [patch].
              [1]: [PATCH 5.18 041/112] fscache: Fix invalidation/lookup race
              , by Greg Kroah-Hartman (monitored)
              Latest patch: Re: fscache corruption in Linux 5.17?
              , by David Howells; simple patch

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            • v5.17..v5.18
            • nfs: copy from NFS to the local disk suddently takes 3 min instead of half a second by Dennis Dalessandro
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            • c859e0d479b3
              (v5.3-rc1)
            • gpio: improper toggle during a SPI transaction with a microcontroller by Eric Schikschneit
              On back burner: author of the commit can't help anymore
              , by Thorsten Leemhuis

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            • v5.16..v5.17.4
            • Hang in 5.17.4+ that appears to be due to Xen by Demi Marie Obenour
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            • v5.13..v5.15
            • usb/dma/iommu/???: USB hub stopped working -- DMAR fault when connected usb hub by Piotr Piórkowski
              Earliest & latest activity:  & . Noteworthy: [1], [2].
              [1]: [Bug 215906] New: DMAR fault when connected usb hub (xhci_hcd)
              , by bugzilla-daemon@kernel.org (monitored)

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            • v5.11..v5.12
            • i2c: designware: Null pointer exception on resume from S3 by Samuel Clark
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            • v5.16..v5.17
            • iwlwifi: Extremely unstable connection on ax200 by Kyle McGrath
              Earliest & latest activity:  & . Noteworthy: [1].

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            • v5.4..v5.10
            • snd: snd_hda_intel not binding to codec by Petr Cerny
              Earliest & latest activity: . Noteworthy: [1].
              On back burner: bisection needed
              , by Thorsten Leemhuis

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            • v5.13..v5.14.10
            • md: unable to handle page fault while running badblocks (fsck.ext4 -c) on a raid5 md array by Dominik Mierzejewski
              Earliest & latest activity:  & . Noteworthy: [1].
              On back burner: things progress slowly, as developer had no luck in reproducing, but is still trying
              , by Thorsten Leemhuis

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            • v5.15..v5.16
            • net: wireless: rtw_8822ce: Wifi connection doesn't really work anymore by Nico Sneck
              On back burner: root-cause still no found, reporter slow to respond
              , by Thorsten Leemhuis

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            • f79a60b8785
              (v3.4-rc4)
            • usb: fsl_udc_core: corrupted request list leads to unrecoverable loop by Eugene Bordenkircher
              Earliest & latest activity:  & . Noteworthy: [1], [2].
              On back burner: Tested patch available, but things nevertheless got stuck
              , by Joakim Tjernlund

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            • v5.13..v5.14-rc1
            • 100 ms boot time increase regression in acpi_init()/acpi_scan_bus() by Paul Menzel
              Earliest & latest activity:  & . Noteworthy: [1].
              On back burner: not that urgent, still on the developers's todo list
              , by Thorsten Leemhuis

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            • v5.14..v5.15
            • idle power increased from ~20 to ~28 watts by Idzibear

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