Linux kernel regression status

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current cycle (v6.2.. aka v6.3-rc), culprit identified
  • 0c5ffc3d7b15
    (v6.3-rc1)
    • CPUIDLE_FLAG_RCU_IDLE, blk_mq_freeze_queue_wait() and slow-stuck reboots by Alexey Klimov
    Earliest & latest activity:  & . Noteworthy: [patch].
    Latest patch: Re: [REGRESSION] CPUIDLE_FLAG_RCU_IDLE, blk_mq_freeze_queue_wait() and slow-stuck reboots
    , by Peter Zijlstra; simple patch
    Earlier patches: 1

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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)

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  • 02852c01f654
    (v6.3-rc1)
    • Build error in drivers/media/i2c/imx290.c if PM support is disabled by Guenter Roeck
    [1]: [PATCH] media: i2c: imx290: fix conditional function defintions
    , by Arnd Bergmann (monitored)

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  • 1ec49744ba83
    (v6.3-rc1)
    • Build failures for sparc64:allmodconfig and parisc:allmodconfig with gcc 11.x+ by Guenter Roeck
    Fix incoming: btrfs: fix compilation error on sparc/parisc

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    current cycle (v6.2.. aka v6.3-rc), unkown culprit
  • e8f60cd7db24..2eb29d59ddf0
    (within v6.2-rc3..v6.3-rc1)
    • iwlwifi: frequent drops between v6.2-rc3 and v6.3-rc1 by Vegard Nossum

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    previous cycle (v6.1..v6.2), culprit identified, with activity in the past three months
  • c408b3d1d9bb
    (v6.2-rc1)
    • thermal: cached max_state breaks ACPI processor cooling device by Zhang, Rui
    [1]: [PATCH v1 0/4] thermal: core/ACPI: Fix processor cooling device regression
    , by Rafael J. Wysocki (monitored)
    [2]: [PATCH v1 1/4] ACPI: processor: Reorder acpi_processor_driver_init()
    , by Rafael J. Wysocki (monitored)
    [3]: [PATCH v1 3/4] thermal: core: Introduce thermal_cooling_device_update()
    , by Rafael J. Wysocki (monitored)
    [4]: [PATCH v1 4/4] ACPI: processor: thermal: Update CPU cooling devices on cpufreq policy changes
    , by Rafael J. Wysocki (monitored)
    [5]: [PATCH v2 0/4] thermal: core/ACPI: Fix processor cooling device regression
    , by Rafael J. Wysocki (monitored)
    [6]: [PATCH v2 1/4] ACPI: processor: Reorder acpi_processor_driver_init()
    , by Rafael J. Wysocki (monitored)
    [7]: [PATCH v2 3/4] thermal: core: Introduce thermal_cooling_device_update()
    , by Rafael J. Wysocki (monitored)
    [8]: [PATCH v2 4/4] ACPI: processor: thermal: Update CPU cooling devices on cpufreq policy changes
    , by Rafael J. Wysocki (monitored)
    [9]: [PATCH v3 0/4] thermal: core/ACPI: Fix processor cooling device regression
    , by Rafael J. Wysocki (monitored)
    [10]: [PATCH v3 1/4] ACPI: processor: Reorder acpi_processor_driver_init()
    , by Rafael J. Wysocki (monitored)
    [11]: [PATCH v3 3/4] thermal: core: Introduce thermal_cooling_device_update()
    , by Rafael J. Wysocki (monitored)
    [12]: [PATCH v3 4/4] ACPI: processor: thermal: Update CPU cooling devices on cpufreq policy changes
    , by Rafael J. Wysocki (monitored)

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  • d08b0f8f46e4
    (v6.2-rc1)
    • net: wwan: Intel XMM7560 LTE module stopped working by Martin and Martin

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  • e7b813b32a42
    (v6.2-rc1)
    • efi: stuck at boot (efi_call_rts) on arm64 by Andrea Righi
    Earliest & latest activity:  & . Noteworthy: [patch].
    Latest patch: Re: kernel 6.2 stuck at boot (efi_call_rts) on arm64
    , by Ard Biesheuvel; simple patch

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  • a837e5161cff
    (v6.2-rc1)
    • meida: venus: firmware: AOSS doesn't seel anymore on at least sc7180 and sc7280 by Matthias Kaehlcke
    [1]: [PATCH] Revert "venus: firmware: Correct non-pix start and end addresses"
    , by Javier Martinez Canillas (monitored)
    [2]: [GIT FIXES FOR v6.3] Venus fixes
    , by Stanimir Varbanov (monitored)

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  • 5c62d5aab875
    (v6.2-rc1)
    • net/r8169: Wake/power on Lan is broken on two machines by Ivan Ivanich and Ivan Ivanich

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  • f63959c7eec3
    (v6.2-rc1)
    • net: MTK SoC Ethernet throughput TX only ~620Mbit/s since 6.2-rc1 by Frank Wunderlich

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  • 4444bc2116ae
    (v6.2-rc5)
    • net: wireless: rt2800usb: wifi performance issues and connection drops by Thomas Mann and Thomas Mann
    [1]: [PATCH] wifi: mac80211: Serialize calls to drv_wake_tx_queue()
    , by Alexander Wetzel (monitored)
    [2]: [PATCH] wifi: mac80211: Serialize calls to drv_wake_tx_queue()
    , by Alexander Wetzel (monitored) [via dup]
    [3]: [PATCH] wifi: mac80211: Serialize ieee80211_handle_wake_tx_queue()
    , by Alexander Wetzel (monitored)
    [4]: [PATCH] wifi: mac80211: Serialize ieee80211_handle_wake_tx_queue()
    , by Alexander Wetzel (monitored) [via dup]
    [5]: [PATCH v2] wifi: mac80211: Serialize ieee80211_handle_wake_tx_queue()
    , by Alexander Wetzel (monitored)
    [6]: [PATCH v2] wifi: mac80211: Serialize ieee80211_handle_wake_tx_queue()
    , by Alexander Wetzel (monitored) [via dup]

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  • 63a7cb130718
    (v6.2-rc1)
    • btrfs: DISCARD storm towards NVME device be it idle or not by Sergei Trofimovich

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  • 0eb43812c027
    (v6.2-rc1)
    • nfs: flood of access on second log-in (first is fine) by Daire Byrne
    Earliest & latest activity: .

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    older cycles (..v6.1), culprit identified, with activity in the past three months
  • f83bb2592482
    (v6.0-rc1)
    • External mic not working on Lenovo Ideapad U310, ALSA: hda/conexant: Add quirk for LENOVO 20149 Notebook model by Jetro Jormalainen
    [1]: [PATCH] ALSA: hda/conexant: Partial revert of a quirk for Lenovo
    , by Takashi Iwai (monitored)

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  • 78013eaadf69
    (v5.19-rc1)
    • dma/x86: machine with Marvell SATA controller 88SE9235 stopped booting by jason_a69 and jason_a69

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  • 5456262d2baa
    (v6.1-rc1)
    • v6.1+ bind() does not fail with EADDRINUSE if dual stack is bound by Paul Holzinger
    Earliest & latest activity:  & . Noteworthy: [1], [patch].
    [1]: [PATCH v1 net 1/2] tcp: Fix bind() conflict check for dual-stack wildcard address.
    , by Kuniyuki Iwashima (monitored)
    Latest patch: Re: [REGRESSION] v6.1+ bind() does not fail with EADDRINUSE if dual stack is bound
    , by Kuniyuki Iwashima; simple patch

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  • c92a6b5d6335
    (v5.19-rc1)
    • scsi: storage not properly detected by Srikar Dronamraju
    [1]: [PATCH] scsi: core: Add BLIST_NO_ASK_VPD_SIZE for some VDASD
    , by Lee Duncan (monitored)
    [2]: [PATCH 6.2 030/211] scsi: core: Add BLIST_NO_VPD_SIZE for some VDASD
    , by Greg Kroah-Hartman (monitored)
    [3]: [PATCH 6.1 029/198] scsi: core: Add BLIST_NO_VPD_SIZE for some VDASD
    , by Greg Kroah-Hartman (monitored)
    Latest patch: Re: [PATCH] scsi: core: Add BLIST_NO_ASK_VPD_SIZE for some VDASD
    , by Martin K. Petersen; signed-off-by present

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  • c67cc4315a8e
    (v6.0-rc1)
    • net: drivers(usb): ASIX AX88179 stopped working by petr.bahula and petr.bahula

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  • 04755d2e5821
    (v6.0-rc1)
    • xfs: system fails to boot up due to Internal error xfs_trans_cancel by shrikanth hegde
    Earliest & latest activity:  & . Noteworthy: [patch].
    Latest patch: Re: xfs: system fails to boot up due to Internal error xfs_trans_cancel
    , by Ritesh Harjani; simple patch

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  • 6faee3d4ee8b
    (v6.0-rc2)
    • [Intel-wired-lan] Deadlock since commit 6faee3d4ee8b ("igb: Add lock to avoid data race") by Corinna Vinschen
    [1]: [PATCH net 1/5] igb: revert rtnl_lock() that causes deadlock
    , by Tony Nguyen (monitored)

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  • 56a4d67c264
    (v5.18-rc1)
    • having TRANSPARENT_HUGEPAGE enabled hangs some applications (supervisor read access in kernel mode) by Mikhail Pletnev and Mikhail Pletnev
    Earliest & latest activity:  & . Noteworthy: [patch].
    Latest patch: bugzilla.kernel.org bug 216646: new comment(#15)
    , by Mikhail Pletnev; simple patch

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  • 636110411ca7
    (v5.17-rc1)
    • alsa/asoc: kbl-r5514-5663-max hdmi stopped working by Jason Montleon
    Earliest & latest activity: .

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  • d6fb6ee1820c
    (v6.0-rc1)
    • acpi: laptop panics early in boot by Pierre Asselin
    Earliest & latest activity:  & . Noteworthy: [patch].
    Latest patch: Re: [Regression] acpi: laptop panics early in boot
    , by Uwe Kleine-König; simple patch
    Earlier patches: 1

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  • c82a69629c53
    (v6.0-rc1)
    • sched/fair: UDP ~20% degradation by Tariq Toukan

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  • 51bd9563b678
    (v5.16-rc1)
    • btrfs: mdb_copy produces a corrupted database by Andreas Schneider and Andreas Schneider

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    previous cycle (v6.1..v6.2), unkown culprit, with activity in the past three weeks
  • v6.1..v6.2
    • input: alps: Dell Latitude E7450 Trackpoint acting up by Steffen and Steffen

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  • v6.1..v6.2
    • net: wifi: ath9k: wifi scan freezes laptop by primalmotion@pm.me and primalmotion@pm.me

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  • v6.1..v6.2
    • usb: USB 2.0 device tree not enumerated on Renesas ROM-based USB PCI card by Brian Morrison

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

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    older cycles (..v6.1), unkown culprit, with activity in the past three weeks
  • v6.0..v6.2
    • AMD Ryzen stutter even despite fTPM fix by Branko Grubić and Branko Grubić

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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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  • e15e06a8..524e00b3
    (within v6.0-rc3..v6.1-rc1)
    • mm: mmap with MAP_32BIT randomly fails since 6.1 by Snild Dolkow
    [1]: [PATCH v2 1/2] maple_tree: Fix mas_skip_node() end slot detection
    , by Liam R. Howlett (monitored)
    [2]: [PATCH v2 2/2] test_maple_tree: Add more testing for mas_empty_area()
    , by Liam R. Howlett (monitored)

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  • v6.0..v6.1
    • usb: null pointer dereference on dock unplug by Szymon Janc and Szymon Janc
    [1]: Re: [PATCH v2 1/3] usb: ucsi: Fix NULL pointer deref in ucsi_connector_change()
    , by Heikki Krogerus (monitored)
    [2]: [PATCH v3 1/3] usb: ucsi: Fix NULL pointer deref in ucsi_connector_change()
    , by Hans de Goede (monitored)
    [3]: [PATCH v4 1/3] usb: ucsi: Fix NULL pointer deref in ucsi_connector_change()
    , by Hans de Goede (monitored)

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  • v5.19..v6.0
    • led: kernel bug when setting trigger to "phy0tpt" by Tobias Dahms

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

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  • v5.19-rc6..v6.2-rc1
    • net: wireless: ath11k: QCA6390 by mani and mani

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  • v6.0..v6.1
    • usb: xhci: suddenly errors msg like "Transfer event TRB DMA ptr not part of current TD" by Jürgen Herrmann and Jürgen Herrmann

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

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    all others with unkown culprit and activity in the past three months
  • v5.15..v5.16
    • hid: touchscreen broken with Toshiba satellite click mini l9w-b by Gé Koerkamp and Gé Koerkamp

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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

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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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    on back burner with activity in the past six months
  • 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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  • 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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  • 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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  • 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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