Bug#1149525: linux-image-7.2.6+deb14-arm64: 7.2.6 and 7.2.8 both fail gc_worker+0x130/0x780, address 0x10037 on rockpro64

From	Philip Dodd <orangespyderman@gmail.com>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#1149525: linux-image-7.2.6+deb14-arm64: 7.2.6 and 7.2.8 both fail gc_worker+0x130/0x780, address 0x10037 on rockpro64
Date	2026-09-30 12:20 +0200
Message-ID	<NIZzP-2Hoc-1@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

Cross-posted to 2 groups.

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Package: src:linux
Version: 7.2.6-1
Severity: important

Dear Maintainer,

*** Reporter, please consider answering these questions, where appropriate ***

   * What led up to the situation?

Installing 7.2.6 (or 7.2.8 from sid) to a running testing system provokes kernel Oops in conntrack.  
Tested with both flash-kernel which was patched to work around 7.2 changing module path and dracut.  
7.1.13 runs correctly.




-- Package-specific info:
** Version:
Linux version 7.2.6+deb14-arm64 (debian-kernel@lists.debian.org) (aarch64-linux-gnu-gcc-16 (Debian 16.2.0-2) 16.2.0, GNU ld (GNU Binutils for Debian) 2.47) #1 SMP PREEMPT Debian 7.2.6-1 (2026-09-16)

** Command line:
root=UUID=20250184-e767-46df-b2fb-b5287461fafb ro quiet

** Tainted: D (128)
 * kernel died recently, i.e. there was an OOPS or BUG

** Kernel log:
[   19.059332] dwhdmi-rockchip ff940000.hdmi: Detected HDMI TX controller v2.11a with HDCP (DWC HDMI 2.0 TX PHY)
[   19.061229] rockchip-drm display-subsystem: bound ff940000.hdmi (ops dw_hdmi_rockchip_ops [rockchipdrm])
[   19.071276] rockchip-rga ff680000.rga: HW Version: 0x03.02
[   19.075296] rockchip-rga ff680000.rga: Registered rockchip-rga as /dev/video0
[   19.079468] [drm] Initialized rockchip 1.0.0 for display-subsystem on minor 0
[   19.079579] rockchip-drm display-subsystem: [drm] Cannot find any crtc or sizes
[   19.080198] rockchip-drm display-subsystem: [drm] Cannot find any crtc or sizes
[   19.089101] ieee80211 phy0: brcmf_c_preinit_dcmds: Default MAC is used, replacing with random MAC to avoid conflicts
[   19.102008] brcmfmac: brcmf_c_process_txcap_blob: no txcap_blob available (err=-2)
[   19.102505] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM4345/6 wl0: Apr 15 2021 03:03:20 version 7.45.234 (4ca95bb CY) FWID 01-996384e2
[   19.122380] Bluetooth: HCI UART driver ver 2.3
[   19.122399] Bluetooth: HCI UART protocol H4 registered
[   19.122472] Bluetooth: HCI UART protocol LL registered
[   19.122477] Bluetooth: HCI UART protocol ATH3K registered
[   19.122500] Bluetooth: HCI UART protocol Three-wire (H5) registered
[   19.122720] Bluetooth: HCI UART protocol Intel registered
[   19.122866] Bluetooth: HCI UART protocol Broadcom registered
[   19.122892] Bluetooth: HCI UART protocol QCA registered
[   19.122896] Bluetooth: HCI UART protocol AG6XX registered
[   19.122916] Bluetooth: HCI UART protocol Marvell registered
[   19.154050] RTL8211F Gigabit Ethernet stmmac-0:00: attached PHY driver (mii_bus:phy_addr=stmmac-0:00, irq=POLL)
[   19.184792] hantro-vpu ff650000.video-codec: registered rockchip,rk3399-vpu-enc as /dev/video1
[   19.185033] hantro-vpu ff650000.video-codec: registered rockchip,rk3399-vpu-dec as /dev/video2
[   19.267950] dw-apb-uart ff180000.serial: failed to request DMA
[   19.479970] panfrost ff9a0000.gpu: clock rate = 500000000
[   19.487345] panfrost ff9a0000.gpu: EM: created perf domain
[   19.488022] panfrost ff9a0000.gpu: mali-t860 id 0x860 major 0x2 minor 0x0 status 0x0
[   19.488058] panfrost ff9a0000.gpu: features: 00000000,00000407, issues: 00000000,24040400
[   19.488069] panfrost ff9a0000.gpu: Features: L2:0x07120206 Shader:0x00000000 Tiler:0x00000809 Mem:0x1 MMU:0x00002830 AS:0xff JS:0x7
[   19.488080] panfrost ff9a0000.gpu: shader_present=0xf l2_present=0x1
[   19.496551] Bluetooth: hci0: BCM: chip id 107
[   19.497552] Bluetooth: hci0: BCM: features 0x2f
[   19.501013] Bluetooth: hci0: BCM4345C0
[   19.501059] Bluetooth: hci0: BCM4345C0 (003.001.025) build 0000
[   19.502399] Bluetooth: hci0: BCM4345C0 'brcm/BCM4345C0.pine64,rockpro64-v2.1.hcd' Patch
[   19.506578] panfrost ff9a0000.gpu: [drm] Using Transparent Hugepage
[   19.546490] rockchip-i2s ff890000.i2s: using zero-initialized flat cache, this may cause unexpected behavior
[   19.559558] Registered IR keymap rc-empty
[   19.565221] rc rc0: gpio_ir_recv as /devices/platform/ir-receiver/rc/rc0
[   19.572356] [drm] Initialized panfrost 1.6.0 for ff9a0000.gpu on minor 1
[   19.574708] rc rc0: lirc_dev: driver gpio_ir_recv registered at minor = 0, raw IR receiver, no transmitter
[   19.574854] input: gpio_ir_recv as /devices/platform/ir-receiver/rc/rc0/input3
[   20.006398] Registered IR keymap rc-cec
[   20.006606] rc rc1: dw_hdmi as /devices/platform/ff940000.hdmi/rc/rc1
[   20.006714] input: dw_hdmi as /devices/platform/ff940000.hdmi/rc/rc1/input4
[   20.150977] rk_gmac-dwmac fe300000.ethernet end0: renamed from eth0
[   20.206697] rk_gmac-dwmac fe300000.ethernet end0: Register MEM_TYPE_PAGE_POOL RxQ-0
[   20.235402] rk_gmac-dwmac fe300000.ethernet end0: PHY [stmmac-0:00] driver [RTL8211F Gigabit Ethernet] (irq=POLL)
[   20.243503] rk_gmac-dwmac fe300000.ethernet end0: No Safety Features support found
[   20.244369] rk_gmac-dwmac fe300000.ethernet end0: PTP not supported by HW
[   20.244411] rk_gmac-dwmac fe300000.ethernet end0: configuring for phy/rgmii link mode
[   20.322138] tun: Universal TUN/TAP device driver, 1.6
[   20.481393] Bluetooth: hci0: BCM: features 0x2f
[   20.484216] Bluetooth: hci0: BCM4345C0 Ampak 0073
[   20.484254] Bluetooth: hci0: BCM4345C0 (003.001.025) build 0075
[   23.332171] rk_gmac-dwmac fe300000.ethernet end0: Link is Up - 1Gbps/Full - flow control off
[   23.392173] systemd-journald[405]: Time jumped backwards, rotating.
[   28.900461] Unable to handle kernel paging request at virtual address 0000000000010037
[   28.901172] Mem abort info:
[   28.901420]   ESR = 0x0000000096000006
[   28.901752]   EC = 0x25: DABT (current EL), IL = 32 bits
[   28.902219]   SET = 0, FnV = 0
[   28.902491]   EA = 0, S1PTW = 0
[   28.902769]   FSC = 0x06: level 2 translation fault
[   28.903220] Data abort info:
[   28.903475]   ISV = 0, ISS = 0x00000006, ISS2 = 0x00000000
[   28.903963]   CM = 0, WnR = 0, TnD = 0, TagAccess = 0
[   28.904407]   GCS = 0, Overlay = 0, DirtyBit = 0
[   28.904814] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000020140000
[   28.905380] [0000000000010037] pgd=08000000f03b1403, p4d=08000000f03b1403, pud=08000000f033f403, pmd=0000000000000000
[   28.906319] Internal error: Oops: 0000000096000006 [#1]  SMP
[   28.906817] Modules linked in: xt_connmark xt_conntrack xt_MASQUERADE xt_tcpudp xt_mark nft_compat x_tables nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun snd_soc_hdmi_codec dw_hdmi_cec dw_hdmi_i2s_audio snd_soc_spdif_tx snd_soc_simple_card snd_soc_audio_graph_card panfrost gpio_ir_recv gpu_sched snd_soc_simple_card_utils leds_gpio drm_shmem_helper hantro_vpu rockchip_vdec snd_soc_rockchip_i2s hci_uart v4l2_jpeg brcmfmac_wcc btqca rockchip_rga v4l2_vp9 realtek btrtl v4l2_h264 phy_package btintel videobuf2_dma_contig btbcm snd_soc_es8316 btsdio rockchipdrm v4l2_mem2mem videobuf2_dma_sg snd_soc_core dw_hdmi_qp bluetooth dw_mipi_dsi videobuf2_memops snd_compress videobuf2_v4l2 dw_hdmi snd_pcm_dmaengine snd_pcm videodev analogix_dp dwmac_rk ecdh_generic drm_dp_aux_bus brcmfmac snd_timer stmmac_platform ofpart drm_display_helper videobuf2_common snd spi_nor mc brcmutil cec soundcore stmmac rockchip_saradc mtd rc_core binfmt_misc coresight_cpu_debug industrialio_triggered_buffer kfifo_buf pcs_xpcs
[   28.906995]  drm_client_lib coresight_etm4x industrialio drm_dma_helper phylink drm_kms_helper coresight rockchip_thermal cpufreq_dt evdev cfg80211 rfkill nf_tables dm_mod efi_pstore configfs ext4 crc16 mbcache jbd2 xhci_plat_hcd xhci_hcd fusb302 dwc3 tcpm aux_hpd_bridge udc_core reset_gpio rk808_regulator drm ulpi ghash_ce typec fan53555 gf128mul gpio_rockchip pwm_regulator dwc3_of_simple fixed pwm_fan ohci_platform gpio_keys ehci_platform sdhci_of_arasan ehci_hcd ohci_hcd sdhci_pltfm dw_wdt phy_rockchip_inno_usb2 usbcore sdhci phy_rockchip_pcie phy_rockchip_emmc rockchip_dfi pl330 io_domain pwm_rockchip phy_rockchip_typec dw_mmc_rockchip cqhci nvmem_rockchip_efuse spi_rockchip dw_mmc_pltfm i2c_rk3x usb_common dw_mmc autofs4 aes_ce_blk aes_neon_bs
[   28.920668] CPU: 4 UID: 0 PID: 76 Comm: kworker/4:1 Not tainted 7.2.6+deb14-arm64 #1 PREEMPTLAZY  Debian 7.2.6-1 
[   28.921568] Hardware name: Pine64 RockPro64 v2.1 (DT)
[   28.922014] Workqueue: events_power_efficient gc_worker [nf_conntrack]
[   28.922626] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[   28.923239] pc : gc_worker+0x130/0x780 [nf_conntrack]
[   28.923708] lr : process_one_work+0x17c/0x4d8
[   28.924097] sp : ffff800080673d40
[   28.924390] x29: ffff800080673d40 x28: 0000000000005abb x27: ffffc56708d06a00
[   28.925023] x26: 000000000000007d x25: 0000000000000000 x24: 0000000000010000
[   28.925655] x23: ffff0000111e4e00 x22: 00000000000124f7 x21: 000000000000be60
[   28.926285] x20: ffffc566b910a968 x19: ffffc566b910de08 x18: 0000000000000004
[   28.926915] x17: ffff3a99eeb46000 x16: 000009867b3de706 x15: ffffc56708d12218
[   28.927547] x14: 0000000000000000 x13: 0000000000000030 x12: 0101010101010101
[   28.928177] x11: 00000000fffef740 x10: feff736d64686268 x9 : 0000000000000038
[   28.928809] x8 : 8080000000000000 x7 : ffffc56708d06000 x6 : fefefefefefefeff
[   28.929439] x5 : ffff0000011ffbc8 x4 : ffffc566b910a970 x3 : 0000000000010000
[   28.930070] x2 : fffffffffffffff0 x1 : 0000000000000000 x0 : 0000000000000000
[   28.930702] Call trace:
[   28.930922]  gc_worker+0x130/0x780 [nf_conntrack] (P)
[   28.931390]  process_one_work+0x17c/0x4d8
[   28.931746]  worker_thread+0x194/0x2f8
[   28.932079]  kthread+0x134/0x150
[   28.932370]  ret_from_fork+0x10/0x20
[   28.932703] Code: f94042e0 37180300 f9400318 37000a78 (3940df00) 
[   28.933243] ---[ end trace 0000000000000000 ]---
[   28.933705] note: kworker/4:1[76] exited with preempt_count 1
[   30.182686] platform sound-dit: deferred probe pending: asoc-audio-graph-card: parse error

** Model information
Device Tree model: Pine64 RockPro64 v2.1

** Configuration for modprobe:
blacklist arkfb
blacklist aty128fb
blacklist atyfb
blacklist cirrusfb
blacklist cyber2000fb
blacklist kyrofb
blacklist matroxfb_base
blacklist mb862xxfb
blacklist neofb
blacklist pm2fb
blacklist pm3fb
blacklist radeonfb
blacklist rk_crypto
blacklist s3fb
blacklist savagefb
blacklist sisfb
blacklist tdfxfb
blacklist tridentfb
blacklist vt8623fb
install rk_crypto /bin/false
options bonding max_bonds=0
options cx88_alsa index=-2
options dummy numdummies=0
options ifb numifbs=0
options snd_atiixp_modem index=-2
options snd_intel8x0m index=-2
options snd_pcsp index=-2
options snd_via82xx_modem index=-2

** Loaded modules:
aes_ce_blk
aes_neon_bs
analogix_dp
autofs4
aux_hpd_bridge
binfmt_misc
bluetooth
brcmfmac
brcmfmac_wcc
brcmutil
btbcm
btintel
btqca
btrtl
btsdio
cec
cfg80211
configfs
coresight
coresight_cpu_debug
coresight_etm4x
cpufreq_dt
cqhci
crc16
dm_mod
drm
drm_client_lib
drm_display_helper
drm_dma_helper
drm_dp_aux_bus
drm_kms_helper
drm_shmem_helper
dw_hdmi
dw_hdmi_cec
dw_hdmi_i2s_audio
dw_hdmi_qp
dw_mipi_dsi
dw_mmc
dw_mmc_pltfm
dw_mmc_rockchip
dw_wdt
dwc3
dwc3_of_simple
dwmac_rk
ecdh_generic
efi_pstore
ehci_hcd
ehci_platform
evdev
ext4
fan53555
fixed
fusb302
gf128mul
ghash_ce
gpio_ir_recv
gpio_keys
gpio_rockchip
gpu_sched
hantro_vpu
hci_uart
i2c_rk3x
industrialio
industrialio_triggered_buffer
io_domain
jbd2
kfifo_buf
leds_gpio
mbcache
mc
mtd
nf_conntrack
nf_defrag_ipv4
nf_defrag_ipv6
nf_nat
nf_tables
nft_chain_nat
nft_compat
nvmem_rockchip_efuse
ofpart
ohci_hcd
ohci_platform
panfrost
pcs_xpcs
phy_package
phy_rockchip_emmc
phy_rockchip_inno_usb2
phy_rockchip_pcie
phy_rockchip_typec
phylink
pl330
pwm_fan
pwm_regulator
pwm_rockchip
rc_core
realtek
reset_gpio
rfkill
rk808_regulator
rockchip_dfi
rockchip_rga
rockchip_saradc
rockchip_thermal
rockchip_vdec
rockchipdrm
sdhci
sdhci_of_arasan
sdhci_pltfm
snd
snd_compress
snd_pcm
snd_pcm_dmaengine
snd_soc_audio_graph_card
snd_soc_core
snd_soc_es8316
snd_soc_hdmi_codec
snd_soc_rockchip_i2s
snd_soc_simple_card
snd_soc_simple_card_utils
snd_soc_spdif_tx
snd_timer
soundcore
spi_nor
spi_rockchip
stmmac
stmmac_platform
tcpm
tun
typec
udc_core
ulpi
usb_common
usbcore
v4l2_h264
v4l2_jpeg
v4l2_mem2mem
v4l2_vp9
videobuf2_common
videobuf2_dma_contig
videobuf2_dma_sg
videobuf2_memops
videobuf2_v4l2
videodev
x_tables
xhci_hcd
xhci_plat_hcd
xt_MASQUERADE
xt_connmark
xt_conntrack
xt_mark
xt_tcpudp

** Out of tree modules:
None found

** Network interface configuration:
*** /etc/network/interfaces:

source /etc/network/interfaces.d/*

auto lo
iface lo inet loopback


** Network status:
*** IP interfaces and addresses:
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host noprefixroute 
       valid_lft forever preferred_lft forever
2: end0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
    link/ether 1e:f3:dd:c3:de:22 brd ff:ff:ff:ff:ff:ff
    altname enx1ef3ddc3de22
    inet 192.168.1.245/24 brd 192.168.1.255 scope global end0
       valid_lft forever preferred_lft forever
    inet6 2a01:e0a:deb:c440:1cf3:ddff:fec3:de22/64 scope global dynamic mngtmpaddr noprefixroute 
       valid_lft 86325sec preferred_lft 86325sec
    inet6 2a01:e0a:deb:c440::245/64 scope global 
       valid_lft forever preferred_lft forever
    inet6 fe80::1cf3:ddff:fec3:de22/64 scope link proto kernel_ll 
       valid_lft forever preferred_lft forever
3: wlan0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
    link/ether 3e:cf:ef:5d:68:69 brd ff:ff:ff:ff:ff:ff
4: tailscale0: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> mtu 1280 qdisc fq_codel state UNKNOWN group default qlen 500
    link/none 
    inet 100.64.0.9/32 scope global tailscale0
       valid_lft forever preferred_lft forever
    inet6 fd7a:115c:a1e0::9/128 scope global 
       valid_lft forever preferred_lft forever
    inet6 fe80::aaca:6ea3:3972:488a/64 scope link stable-privacy proto kernel_ll 
       valid_lft forever preferred_lft forever

*** Device statistics:
Inter-|   Receive                                                |  Transmit
 face |bytes    packets errs drop fifo frame compressed multicast|bytes    packets errs drop fifo colls carrier compressed
    lo: 4102393    2949    0    0    0     0          0         0  4102393    2949    0    0    0     0       0          0
  end0: 3405892   16913    0 8113    0     0          0         0  1141813    6705    0    0    0     0       0          0
 wlan0:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0
tailscale0:      86       1    0    0    0     0          0         0     1032      14    0    0    0     0       0          0


** PCI devices:

** USB devices:
/:  Bus 001.Port 001: Dev 001, Class=root_hub, Driver=ehci-platform/1p, 480M
    ID 1d6b:0002 Linux Foundation 2.0 root hub
/:  Bus 002.Port 001: Dev 001, Class=root_hub, Driver=ohci-platform/1p, 12M
    ID 1d6b:0001 Linux Foundation 1.1 root hub
/:  Bus 003.Port 001: Dev 001, Class=root_hub, Driver=ehci-platform/1p, 480M
    ID 1d6b:0002 Linux Foundation 2.0 root hub
/:  Bus 004.Port 001: Dev 001, Class=root_hub, Driver=ohci-platform/1p, 12M
    ID 1d6b:0001 Linux Foundation 1.1 root hub
/:  Bus 005.Port 001: Dev 001, Class=root_hub, Driver=xhci-hcd/1p, 480M
    ID 1d6b:0002 Linux Foundation 2.0 root hub
/:  Bus 006.Port 001: Dev 001, Class=root_hub, Driver=xhci-hcd/1p, 5000M
    ID 1d6b:0003 Linux Foundation 3.0 root hub
/:  Bus 007.Port 001: Dev 001, Class=root_hub, Driver=xhci-hcd/1p, 480M
    ID 1d6b:0002 Linux Foundation 2.0 root hub
/:  Bus 008.Port 001: Dev 001, Class=root_hub, Driver=xhci-hcd/1p, 5000M
    ID 1d6b:0003 Linux Foundation 3.0 root hub


-- System Information:
Debian Release: forky/sid
  APT prefers testing
  APT policy: (500, 'testing'), (1, 'unstable')
Architecture: arm64 (aarch64)

Kernel: Linux 7.2.6+deb14-arm64 (SMP w/6 CPU threads; PREEMPT)
Kernel taint flags: TAINT_DIE
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8), LANGUAGE=en_GB:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages linux-image-7.2.6+deb14-arm64 depends on:
ii  dracut [linux-initramfs-tool]    112-6
ii  linux-base                       4.17
ii  linux-base-7.2.6+deb14-arm64     7.2.6-1
ii  linux-binary-7.2.6+deb14-arm64   7.2.6-1
ii  linux-modules-7.2.6+deb14-arm64  7.2.6-1

Versions of packages linux-image-7.2.6+deb14-arm64 recommends:
ii  apparmor  4.1.8-2

Versions of packages linux-image-7.2.6+deb14-arm64 suggests:
pn  debian-kernel-handbook  <none>
pn  firmware-linux-free     <none>
pn  linux-doc-7.2           <none>

Versions of packages linux-image-7.2.6+deb14-arm64 is related to:
pn  firmware-amd-graphics      <none>
pn  firmware-atheros           <none>
pn  firmware-bnx2              <none>
pn  firmware-bnx2x             <none>
ii  firmware-brcm80211         20260810-1
pn  firmware-cavium            <none>
pn  firmware-cirrus            <none>
pn  firmware-intel-graphics    <none>
pn  firmware-intel-misc        <none>
pn  firmware-intel-sound       <none>
pn  firmware-ipw2x00           <none>
pn  firmware-ivtv              <none>
pn  firmware-iwlwifi           <none>
pn  firmware-libertas          <none>
pn  firmware-marvell-prestera  <none>
pn  firmware-mediatek          <none>
pn  firmware-misc-nonfree      <none>
pn  firmware-myricom           <none>
pn  firmware-netronome         <none>
pn  firmware-netxen            <none>
pn  firmware-nvidia-graphics   <none>
pn  firmware-qcom-soc          <none>
pn  firmware-qlogic            <none>
pn  firmware-realtek           <none>
pn  firmware-samsung           <none>
pn  firmware-siano             <none>
pn  firmware-ti-connectivity   <none>
pn  xen-hypervisor             <none>

-- no debconf information

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Bug#1149525: linux-image-7.2.6+deb14-arm64: 7.2.6 and 7.2.8 both fail gc_worker+0x130/0x780, address 0x10037 on rockpro64 Philip Dodd <orangespyderman@gmail.com> - 2026-09-30 12:20 +0200

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