Hello, since kernel 4.9 (last tested with 4.9.4) I'm getting the following error: [ 216.171033] pctv452e: pctv452e_power_ctrl: 1 [ 216.171033] [ 216.171728] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 216.171745] pgd = a973c000 [ 216.171751] [00000000] *pgd=00000000 [ 216.171764] Internal error: Oops: 805 [#1] SMP ARM [ 216.171793] Modules linked in: dvb_usb_pctv452e(+) ttpci_eeprom dvb_usb dvb_core rc_core hci_uart btbcm bluetooth brcmfmac brcmutil cfg80211 bcm2835_gpiomem [ 216.171871] CPU: 3 PID: 698 Comm: systemd-udevd Not tainted 4.9.0 #1 [ 216.171888] Hardware name: BCM2835 [ 216.171902] task: a96faf80 task.stack: a97c2000 [ 216.171928] PC is at __mutex_lock_slowpath+0x78/0x15c [ 216.171945] LR is at __mutex_lock_slowpath+0x4c/0x15c [ 216.171966] pc : [<806ae54c>] lr : [<806ae520>] psr: a00b0013 [ 216.171966] sp : a97c3b70 ip : a97c3b70 fp : a97c3ba4 [ 216.171992] r10: 00000002 r9 : ad0249f4 r8 : 00000002 [ 216.172009] r7 : ad0249f0 r6 : a96faf80 r5 : ffffffff r4 : ad0249ec [ 216.172027] r3 : 00000000 r2 : a97c3b74 r1 : 00000000 r0 : ad0249f0 [ 216.172046] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user [ 216.172066] Control: 10c5383d Table: 2973c06a DAC: 00000055 [ 216.172083] Process systemd-udevd (pid: 698, stack limit = 0xa97c2210) [ 216.172102] Stack: (0xa97c3b70 to 0xa97c4000) [ 216.172125] 3b60: a97c3b94 ad0249f4 00000000 024000c0 I think that the problem was introduced with this commit: https://github.com/torvalds/linux/commit/73d5c5c864f4094e86708760fd4612fbf1e6e76c maybe this is the solution, but it was only introduced for another driver: https://github.com/torvalds/linux/commit/7724325a19fb0a51d2a69bd2915b33f0ff197f5a Thanks Ognian
same with 4.9.5 [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 4.9.5 (libreelec.tv@nmacleod.com) (gcc version 6.2.0 (GCC) ) #1 SMP Tue Jan 24 21:16:33 GMT 2017 [ 0.000000] CPU: ARMv7 Processor [410fd034] revision 4 (ARMv7), cr=10c5383d [ 0.000000] CPU: div instructions available: patching division code [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] OF: fdt:Machine model: Raspberry Pi 3 Model B Rev 1.2 [ 0.000000] cma: Reserved 8 MiB at 0x2f400000 [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] On node 0 totalpages: 196352 [ 0.000000] free_area_init_node: node 0, pgdat 80c35540, node_mem_map ae93c100 [ 0.000000] Normal zone: 1726 pages used for memmap [ 0.000000] Normal zone: 0 pages reserved [ 0.000000] Normal zone: 196352 pages, LIFO batch:31 [ 0.000000] percpu: Embedded 14 pages/cpu @afeb1000 s25292 r8192 d23860 u57344 [ 0.000000] pcpu-alloc: s25292 r8192 d23860 u57344 alloc=14*4096 [ 0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 194626 [ 0.000000] Kernel command line: 8250.nr_uarts=0 dma.dmachans=0x7f35 bcm2708_fb.fbwidth=1824 bcm2708_fb.fbheight=984 bcm2709.boardrev=0xa02082 bcm2709.serial=0xfb8f7ddb smsc95xx.macaddr=B8:27:EB:8F:7D:DB bcm2708_fb.fbswap=1 bcm2709.uart_clock=48000000 vc_mem.mem_base=0x3eb00000 vc_mem.mem_size=0x3ff00000 boot=/dev/mmcblk0p1 disk=/dev/mmcblk0p2 quiet root=/dev/ram0 rdinit=/init BOOT_IMAGE=/kernel.img usbcore.autosuspend=-1 [ 0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes) [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes) [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes) [ 0.000000] Memory: 757288K/785408K available (6144K kernel code, 217K rwdata, 1280K rodata, 3072K init, 402K bss, 19928K reserved, 8192K cma-reserved) [ 0.000000] Virtual kernel memory layout: [ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB) [ 0.000000] fixmap : 0xffc00000 - 0xfff00000 (3072 kB) [ 0.000000] vmalloc : 0xb0000000 - 0xff800000 (1272 MB) [ 0.000000] lowmem : 0x80000000 - 0xaff00000 ( 767 MB) [ 0.000000] modules : 0x7f000000 - 0x80000000 ( 16 MB) [ 0.000000] .text : 0x80008000 - 0x80700000 (7136 kB) [ 0.000000] .init : 0x80900000 - 0x80c00000 (3072 kB) [ 0.000000] .data : 0x80c00000 - 0x80c367b8 ( 218 kB) [ 0.000000] .bss : 0x80c38000 - 0x80c9ca6c ( 403 kB) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.000000] Hierarchical RCU implementation. [ 0.000000] Build-time adjustment of leaf fanout to 32. [ 0.000000] NR_IRQS:16 nr_irqs:16 16 [ 0.000000] arm_arch_timer: WARNING: Invalid trigger for IRQ16, assuming level low [ 0.000000] arm_arch_timer: WARNING: Please fix your firmware [ 0.000000] arm_arch_timer: WARNING: Invalid trigger for IRQ17, assuming level low [ 0.000000] arm_arch_timer: WARNING: Please fix your firmware [ 0.000000] arm_arch_timer: Architected cp15 timer(s) running at 19.20MHz (phys). [ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x46d987e47, max_idle_ns: 440795202767 ns [ 0.000007] sched_clock: 56 bits at 19MHz, resolution 52ns, wraps every 4398046511078ns [ 0.000018] Switching to timer-based delay loop, resolution 52ns [ 0.000218] Console: colour dummy device 80x30 [ 0.000234] console [tty0] enabled [ 0.000253] Calibrating delay loop (skipped), value calculated using timer frequency.. 38.00 BogoMIPS (lpj=64000) [ 0.000268] pid_max: default: 32768 minimum: 301 [ 0.000414] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes) [ 0.000422] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes) [ 0.001219] Disabling cpuset control group subsystem [ 0.001320] CPU: Testing write buffer coherency: ok [ 0.001731] CPU0: update cpu_capacity 1024 [ 0.001738] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.001794] Setting up static identity map for 0x100000 - 0x100034 [ 0.003687] arm_arch_timer: WARNING: Invalid trigger for IRQ16, assuming level low [ 0.003690] arm_arch_timer: WARNING: Please fix your firmware [ 0.003698] arm_arch_timer: WARNING: Invalid trigger for IRQ17, assuming level low [ 0.003700] arm_arch_timer: WARNING: Please fix your firmware [ 0.003712] CPU1: update cpu_capacity 1024 [ 0.003718] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.004317] arm_arch_timer: WARNING: Invalid trigger for IRQ16, assuming level low [ 0.004320] arm_arch_timer: WARNING: Please fix your firmware [ 0.004325] arm_arch_timer: WARNING: Invalid trigger for IRQ17, assuming level low [ 0.004327] arm_arch_timer: WARNING: Please fix your firmware [ 0.004336] CPU2: update cpu_capacity 1024 [ 0.004342] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 [ 0.004903] arm_arch_timer: WARNING: Invalid trigger for IRQ16, assuming level low [ 0.004906] arm_arch_timer: WARNING: Please fix your firmware [ 0.004910] arm_arch_timer: WARNING: Invalid trigger for IRQ17, assuming level low [ 0.004913] arm_arch_timer: WARNING: Please fix your firmware [ 0.004921] CPU3: update cpu_capacity 1024 [ 0.004927] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 [ 0.004998] Brought up 4 CPUs [ 0.005009] SMP: Total of 4 processors activated (153.00 BogoMIPS). [ 0.005013] CPU: All CPU(s) started in HYP mode. [ 0.005016] CPU: Virtualization extensions available. [ 0.005560] devtmpfs: initialized [ 0.015078] VFP support v0.3: implementor 41 architecture 3 part 40 variant 3 rev 4 [ 0.015313] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 6370867519511994 ns [ 0.015731] pinctrl core: initialized pinctrl subsystem [ 0.016209] NET: Registered protocol family 16 [ 0.018454] DMA: preallocated 1024 KiB pool for atomic coherent allocations [ 0.033355] cpuidle: using governor ladder [ 0.046720] cpuidle: using governor menu [ 0.047382] Serial: AMBA PL011 UART driver [ 0.050229] bcm2835-mbox 3f00b880.mailbox: mailbox enabled [ 0.050696] uart-pl011 3f201000.serial: could not find pctldev for node /soc/gpio@7e200000/uart0_pins, deferring probe [ 0.101035] bcm2835-dma 3f007000.dma: DMA legacy API manager at b000f000, dmachans=0x1 [ 0.102782] SCSI subsystem initialized [ 0.103050] usbcore: registered new interface driver usbfs [ 0.103124] usbcore: registered new interface driver hub [ 0.103201] usbcore: registered new device driver usb [ 0.103641] raspberrypi-firmware soc:firmware: Attached to firmware from 2017-01-23 15:15 [ 0.105027] clocksource: Switched to clocksource arch_sys_counter [ 0.116144] NET: Registered protocol family 2 [ 0.116830] TCP established hash table entries: 8192 (order: 3, 32768 bytes) [ 0.116937] TCP bind hash table entries: 8192 (order: 4, 65536 bytes) [ 0.117121] TCP: Hash tables configured (established 8192 bind 8192) [ 0.117207] UDP hash table entries: 512 (order: 2, 16384 bytes) [ 0.117249] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes) [ 0.117438] NET: Registered protocol family 1 [ 0.117756] RPC: Registered named UNIX socket transport module. [ 0.117760] RPC: Registered udp transport module. [ 0.117764] RPC: Registered tcp transport module. [ 0.117768] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.267258] futex hash table entries: 1024 (order: 4, 65536 bytes) [ 0.267578] workingset: timestamp_bits=14 max_order=18 bucket_order=4 [ 0.281111] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 0.283448] NFS: Registering the id_resolver key type [ 0.283473] Key type id_resolver registered [ 0.283477] Key type id_legacy registered [ 0.283490] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 0.286982] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251) [ 0.286990] io scheduler noop registered (default) [ 0.286995] io scheduler deadline registered [ 0.287254] io scheduler cfq registered [ 0.291941] BCM2708FB: allocated DMA memory ef510000 [ 0.291962] BCM2708FB: allocated DMA channel 0 @ b000f000 [ 0.336558] Console: switching to colour frame buffer device 228x61 [ 0.363543] bcm2835-rng 3f104000.rng: hwrng registered [ 0.363631] vc-cma: Videocore CMA driver [ 0.363638] vc-cma: vc_cma_base = 0x00000000 [ 0.363642] vc-cma: vc_cma_size = 0x00000000 (0 MiB) [ 0.363647] vc-cma: vc_cma_initial = 0x00000000 (0 MiB) [ 0.363827] vc-mem: phys_addr:0x00000000 mem_base=0x3eb00000 mem_size:0x3ff00000(1023 MiB) [ 0.377297] brd: module loaded [ 0.377453] loop: module loaded [ 0.381105] nbd: registered device at major 43 [ 0.392855] usbcore: registered new interface driver rtsx_usb [ 0.392865] Loading iSCSI transport class v2.0-870. [ 0.393262] iscsi: registered transport (tcp) [ 0.393741] libphy: Fixed MDIO Bus: probed [ 0.393746] tun: Universal TUN/TAP device driver, 1.6 [ 0.393752] tun: (C) 1999-2004 Max Krasnyansky <maxk@qualcomm.com> [ 0.394016] usbcore: registered new interface driver dm9601 [ 0.394096] usbcore: registered new interface driver smsc95xx [ 0.394133] dwc_otg: version 3.00a 10-AUG-2012 (platform bus) [ 0.620147] Core Release: 2.80a [ 0.620154] Setting default values for core params [ 0.620182] Finished setting default values for core params [ 0.820526] Using Buffer DMA mode [ 0.820531] Periodic Transfer Interrupt Enhancement - disabled [ 0.820535] Multiprocessor Interrupt Enhancement - disabled [ 0.820540] OTG VER PARAM: 0, OTG VER FLAG: 0 [ 0.820551] Dedicated Tx FIFOs mode [ 0.820875] WARN::dwc_otg_hcd_init:1053: FIQ DMA bounce buffers: virt = 0xaf504000 dma = 0xef504000 len=9024 [ 0.820901] FIQ FSM acceleration enabled for : [ 0.820901] Non-periodic Split Transactions [ 0.820901] Periodic Split Transactions [ 0.820901] High-Speed Isochronous Endpoints [ 0.820901] Interrupt/Control Split Transaction hack enabled [ 0.820906] dwc_otg: Microframe scheduler enabled [ 0.820952] WARN::hcd_init_fiq:457: FIQ on core 1 at 0x8051481c [ 0.820961] WARN::hcd_init_fiq:458: FIQ ASM at 0x80514b7c length 36 [ 0.820971] WARN::hcd_init_fiq:484: MPHI regs_base at 0xb077a000 [ 0.821025] dwc_otg 3f980000.usb: DWC OTG Controller [ 0.821058] dwc_otg 3f980000.usb: new USB bus registered, assigned bus number 1 [ 0.821085] dwc_otg 3f980000.usb: irq 62, io mem 0x00000000 [ 0.821133] Init: Port Power? op_state=1 [ 0.821137] Init: Power Port (0) [ 0.821304] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002 [ 0.821313] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 0.821320] usb usb1: Product: DWC OTG Controller [ 0.821327] usb usb1: Manufacturer: Linux 4.9.5 dwc_otg_hcd [ 0.821334] usb usb1: SerialNumber: 3f980000.usb [ 0.822062] hub 1-0:1.0: USB hub found [ 0.822096] hub 1-0:1.0: 1 port detected [ 0.822669] dwc_otg: FIQ enabled [ 0.822673] dwc_otg: NAK holdoff enabled [ 0.822677] dwc_otg: FIQ split-transaction FSM enabled [ 0.822688] Module dwc_common_port init [ 0.822890] usbcore: registered new interface driver usb-storage [ 0.823087] mousedev: PS/2 mouse device common for all mice [ 0.823229] i2c /dev entries driver [ 0.824489] bcm2835-wdt 3f100000.watchdog: Broadcom BCM2835 watchdog timer [ 0.824741] bcm2835-cpufreq: min=600000 max=1200000 [ 0.825211] sdhci: Secure Digital Host Controller Interface driver [ 0.825216] sdhci: Copyright(c) Pierre Ossman [ 0.825572] sdhost: log_buf @ af507000 (ef507000) [ 0.878366] mmc0: sdhost-bcm2835 loaded - DMA enabled (>1) [ 0.900445] mmc-bcm2835 3f300000.mmc: mmc_debug:0 mmc_debug2:0 [ 0.900450] mmc-bcm2835 3f300000.mmc: DMA channel allocated [ 0.931771] sdhci-pltfm: SDHCI platform and OF driver helper [ 0.932008] ledtrig-cpu: registered to indicate activity on CPUs [ 0.932064] hidraw: raw HID events driver (C) Jiri Kosina [ 0.933105] usbcore: registered new interface driver usbhid [ 0.933107] usbhid: USB HID core driver [ 0.933585] vchiq: vchiq_init_state: slot_zero = 0xaf580000, is_master = 0 [ 0.935338] mmc0: host does not support reading read-only switch, assuming write-enable [ 0.937106] NET: Registered protocol family 10 [ 0.937267] mmc0: new high speed SDHC card at address 0007 [ 0.937591] mmcblk0: mmc0:0007 SL32G 29.0 GiB [ 0.938828] mmcblk0: p1 p2 [ 0.939398] NET: Registered protocol family 17 [ 0.939454] Key type dns_resolver registered [ 0.940778] Registering SWP/SWPB emulation handler [ 0.942787] vc-sm: Videocore shared memory driver [ 0.942793] [vc_sm_connected_init]: start [ 0.943092] [vc_sm_connected_init]: end - returning 0 [ 0.944209] 3f201000.serial: ttyAMA0 at MMIO 0x3f201000 (irq = 87, base_baud = 0) is a PL011 rev2 [ 0.944411] console [netcon0] enabled [ 0.944413] netconsole: network logging started [ 0.944415] of_cfs_init [ 0.944483] of_cfs_init: OK [ 0.947417] Freeing unused kernel memory: 3072K (80900000 - 80c00000) [ 0.950013] mmc1: queuing unknown CIS tuple 0x80 (2 bytes) [ 0.951554] mmc1: queuing unknown CIS tuple 0x80 (3 bytes) [ 0.953094] mmc1: queuing unknown CIS tuple 0x80 (3 bytes) [ 0.955858] mmc1: queuing unknown CIS tuple 0x80 (7 bytes) [ 1.016456] random: fast init done [ 1.028432] Indeed it is in host mode hprt0 = 00021501 [ 1.054845] mmc1: new high speed SDIO card at address 0001 [ 1.201716] usb 1-1: new high-speed USB device number 2 using dwc_otg [ 1.201803] Indeed it is in host mode hprt0 = 00001101 [ 1.392022] usb 1-1: New USB device found, idVendor=0424, idProduct=9514 [ 1.392032] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1.392597] hub 1-1:1.0: USB hub found [ 1.392656] hub 1-1:1.0: 5 ports detected [ 1.476757] EXT4-fs (mmcblk0p2): couldn't mount as ext3 due to feature incompatibilities [ 1.477533] EXT4-fs (mmcblk0p2): couldn't mount as ext2 due to feature incompatibilities [ 1.587995] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null) [ 1.671706] usb 1-1.1: new high-speed USB device number 3 using dwc_otg [ 1.762014] usb 1-1.1: New USB device found, idVendor=0424, idProduct=ec00 [ 1.762027] usb 1-1.1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1.765221] smsc95xx v1.0.5 [ 1.817523] smsc95xx 1-1.1:1.0 eth0: register 'smsc95xx' at usb-3f980000.usb-1.1, smsc95xx USB 2.0 Ethernet, b8:27:eb:8f:7d:db [ 1.905148] usb 1-1.3: new low-speed USB device number 4 using dwc_otg [ 2.017568] usb 1-1.3: New USB device found, idVendor=046d, idProduct=c517 [ 2.017580] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 2.017584] usb 1-1.3: Product: USB Receiver [ 2.017587] usb 1-1.3: Manufacturer: Logitech [ 2.026580] input: Logitech USB Receiver as /devices/platform/soc/3f980000.usb/usb1/1-1/1-1.3/1-1.3:1.0/0003:046D:C517.0001/input/input0 [ 2.082343] logitech 0003:046D:C517.0001: input,hidraw0: USB HID v1.10 Keyboard [Logitech USB Receiver] on usb-3f980000.usb-1.3/input0 [ 2.104767] logitech 0003:046D:C517.0002: fixing up Logitech keyboard report descriptor [ 2.107667] input: Logitech USB Receiver as /devices/platform/soc/3f980000.usb/usb1/1-1/1-1.3/1-1.3:1.1/0003:046D:C517.0002/input/input1 [ 2.118282] systemd[1]: System time before build time, advancing clock. [ 2.132551] systemd[1]: systemd 232 running in system mode. (-PAM -AUDIT -SELINUX -IMA -APPARMOR -SMACK -SYSVINIT -UTMP -LIBCRYPTSETUP -GCRYPT -GNUTLS -ACL -XZ -LZ4 -SECCOMP +BLKID -ELFUTILS +KMOD -IDN) [ 2.132932] systemd[1]: Detected architecture arm. [ 2.133097] systemd[1]: Set hostname to <LibreELEC>. [ 2.162225] logitech 0003:046D:C517.0002: input,hiddev0,hidraw1: USB HID v1.10 Mouse [Logitech USB Receiver] on usb-3f980000.usb-1.3/input1 [ 2.223008] systemd[1]: Listening on Journal Socket. [ 2.224048] systemd[1]: Created slice User and Session Slice. [ 2.224184] systemd[1]: Listening on udev Control Socket. [ 2.224340] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ 2.235048] usb 1-1.4: new high-speed USB device number 5 using dwc_otg [ 2.288025] systemd[1]: Listening on RPCbind Server Activation Socket. [ 2.288094] systemd[1]: Reached target RPC Port Mapper. [ 2.288206] systemd[1]: Listening on Journal Socket (/dev/log). [ 2.325746] usb 1-1.4: New USB device found, idVendor=0b48, idProduct=300a [ 2.325755] usb 1-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 2.325758] usb 1-1.4: Product: TT-USB2.0 [ 2.325762] usb 1-1.4: Manufacturer: TechnoTrend [ 2.325767] usb 1-1.4: SerialNumber: LHJMHM [ 2.511916] systemd-journald[215]: Received request to flush runtime journal from PID 1 [ 2.963759] random: crng init done [ 3.440841] dvb_core: loading out-of-tree module taints kernel. [ 3.442538] WARNING: You are using an experimental version of the media stack. [ 3.442538] As the driver is backported to an older kernel, it doesn't offer [ 3.442538] enough quality for its usage in production. [ 3.442538] Use it with care. [ 3.442538] Latest git patches (needed if you report a bug to linux-media@vger.kernel.org): [ 3.442538] a02ff2e02bee64e9955dbfd8811874c3f3880f58 cx231xx: Fix TBS MAC reading. [ 3.457781] WARNING: You are using an experimental version of the media stack. [ 3.457781] As the driver is backported to an older kernel, it doesn't offer [ 3.457781] enough quality for its usage in production. [ 3.457781] Use it with care. [ 3.457781] Latest git patches (needed if you report a bug to linux-media@vger.kernel.org): [ 3.457781] a02ff2e02bee64e9955dbfd8811874c3f3880f58 cx231xx: Fix TBS MAC reading. [ 3.463661] Console: switching to colour dummy device 80x30 [ 3.586384] dvb-usb: found a 'Technotrend TT Connect S2-3650-CI' in warm state. [ 3.586409] pctv452e: pctv452e_power_ctrl: 1 [ 3.586409] [ 3.593911] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 3.593919] pgd = ae150000 [ 3.593922] [00000000] *pgd=00000000 [ 3.593934] Internal error: Oops: 805 [#1] SMP ARM [ 3.593948] Modules linked in: dvb_usb_pctv452e(O+) ttpci_eeprom(O) dvb_usb(O) rc_core(O) dvb_core(O) sch_fq_codel [ 3.593977] CPU: 3 PID: 253 Comm: systemd-udevd Tainted: G O 4.9.5 #1 [ 3.593986] Hardware name: BCM2835 [ 3.593993] task: adf99300 task.stack: ae10a000 [ 3.594010] PC is at __mutex_lock_slowpath+0x78/0x15c [ 3.594019] LR is at __mutex_lock_slowpath+0x4c/0x15c [ 3.594029] pc : [<806b4ebc>] lr : [<806b4e90>] psr: a0050113 [ 3.594029] sp : ae10bb70 ip : ae10bb70 fp : ae10bba4 [ 3.594043] r10: 00000002 r9 : adfcc934 r8 : 00000002 [ 3.594051] r7 : adfcc930 r6 : adf99300 r5 : ffffffff r4 : adfcc92c [ 3.594060] r3 : 00000000 r2 : ae10bb74 r1 : 00000000 r0 : adfcc930 [ 3.594075] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user [ 3.594084] Control: 10c5383d Table: 2e15006a DAC: 00000055 [ 3.594093] Process systemd-udevd (pid: 253, stack limit = 0xae10a210) [ 3.594102] Stack: (0xae10bb70 to 0xae10c000) [ 3.594111] bb60: ae10bb94 adfcc934 00000000 024000c0 [ 3.594124] bb80: adfcc92c adfcc900 af330000 ae123c40 adfcc92c 00000002 ae10bbbc ae10bba8 [ 3.594137] bba0: 806b4ff8 806b4e50 00000000 adfcc900 ae10bbfc ae10bbc0 7f038a24 806b4fac [ 3.594150] bbc0: ae10bbe4 ae10bbd0 af001cc0 024080c0 ae10bc0c af332000 ad851400 af330000 [ 3.594162] bbe0: ad8515da 7f03adc8 00000002 00000002 ae10bc0c ae10bc00 7f02c470 7f0389ac [ 3.594175] bc00: ae10bc6c ae10bc10 7f02c6cc 7f02c42c 7f03ad4c 80259d48 ffffffed 80809708 [ 3.594202] bc20: af2e2d20 ae16c370 ae10bc4c 00000000 7f03b3c0 ade6f600 00000000 7f03ad4c [ 3.594226] bc40: ade6f600 7f03aaa8 ade6f600 ad851400 00000000 7f03b2dc ade6f600 7f03b354 [ 3.594251] bc60: ae10bc8c ae10bc70 7f038f9c 7f02c480 7f03aaa8 7f03b2dc ade6f620 ad851470 [ 3.594276] bc80: ae10bcc4 ae10bc90 804e6be8 7f038f48 8025c5e8 ffffffed ae10bcc4 80c6c404 [ 3.594301] bca0: ade6f620 00000000 7f03b2dc 0000000c ae123aa4 7f03b3c0 ae10bcec ae10bcc8 [ 3.594326] bcc0: 80470894 804e6ae8 ade6f620 7f03b2dc ade6f654 00000000 7f03b3c0 ae123aa4 [ 3.594351] bce0: ae10bd0c ae10bcf0 80470a00 80470694 00000000 7f03b2dc 80470940 00000000 [ 3.594376] bd00: ae10bd34 ae10bd10 8046ea50 8047094c af18095c ade3b7b4 af180970 7f03b2dc [ 3.594400] bd20: adf77e00 80c25cf4 ae10bd44 ae10bd38 8047010c 8046e9ec ae10bd6c ae10bd48 [ 3.594427] bd40: 8046fc50 804700f4 7f03a1c8 ae10bd58 7f03b2dc 80c25cf4 7f03b2dc 7f03a1b4 [ 3.594451] bd60: ae10bd84 ae10bd70 80470f60 8046fb4c 7f03b2a8 80c25cf4 ae10bdac ae10bd88 [ 3.594476] bd80: 804e5784 80470eec 7f03d000 ffffe000 ae123a80 ae123b40 00000000 ae123aa4 [ 3.594501] bda0: ae10bdbc ae10bdb0 7f03d024 804e5718 ae10be34 ae10bdc0 8010179c 7f03d00c [ 3.594526] bdc0: 00000a21 b1e02000 2f396000 ae10bdf8 00000a21 b1e02000 2f396000 00000003 [ 3.594551] bde0: ae123aa4 7f03b3c0 ae10be24 ae10bdf8 af001e40 024000c0 ae10be34 ae10be08 [ 3.594575] be00: 801e3ec0 806b3930 80c60468 7f03b3c0 00000001 7f03b3c0 00000001 ae123a80 [ 3.594601] be20: ae123b40 00000003 ae10be5c ae10be38 8019a22c 8010175c ae10be5c ae10be48 [ 3.594626] be40: ae10bf44 00000001 ae123a80 00000001 ae10bf1c ae10be60 801855b8 8019a1d0 [ 3.594651] be60: 7f03b3cc 00007fff 7f03b3c0 80182d8c 807b8e8c 807b8e64 807b8ebc 807b8e58 [ 3.594676] be80: 80703ca8 7f03b3cc 00000000 b1e077b4 ae10bf44 801828d8 7f03b408 024000c0 [ 3.594700] bea0: ae10beec ae10beb0 801fa3e8 801fa264 b1e02000 00000000 00000000 00000000 [ 3.594724] bec0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 3.594749] bee0: 00000000 00000000 00000000 00000000 7fffffff 00000000 00000011 76ebb77f [ 3.594774] bf00: 0000017b 80107b44 ae10a000 00000000 ae10bfa4 ae10bf20 80185cfc 80183a64 [ 3.594798] bf20: 7fffffff 00000000 00000003 ae10bf38 801b8234 b1e02000 00005804 00000000 [ 3.594823] bf40: 00000000 b1e02000 00005804 b1e0741c b1e07340 b1e06358 00003544 00003864 [ 3.594848] bf60: 00000000 00000000 00000000 000013a4 00000017 00000018 00000010 00000000 [ 3.594872] bf80: 0000000a 00000000 00000000 76db2388 00000000 00000000 00000000 ae10bfa8 [ 3.594897] bfa0: 801079a0 80185c58 76db2388 00000000 00000011 76ebb77f 00000000 7e9ab9b4 [ 3.594922] bfc0: 76db2388 00000000 00000000 0000017b 00000000 55f16688 00000000 00020000 [ 3.594947] bfe0: 7e9ab950 7e9ab940 76eb44cc 76dd77f0 60010010 00000011 000228fc 0001cc38 [ 3.594968] Backtrace: [ 3.594990] [<806b4e44>] (__mutex_lock_slowpath) from [<806b4ff8>] (mutex_lock+0x58/0x5c) [ 3.595019] r9:00000002 r8:adfcc92c r7:ae123c40 r6:af330000 r5:adfcc900 r4:adfcc92c [ 3.595056] [<806b4fa0>] (mutex_lock) from [<7f038a24>] (pctv452e_power_ctrl+0x84/0x17c [dvb_usb_pctv452e]) [ 3.595082] r5:adfcc900 r4:00000000 [ 3.595109] [<7f0389a0>] (pctv452e_power_ctrl [dvb_usb_pctv452e]) from [<7f02c470>] (dvb_usb_device_power_ctrl+0x50/0x54 [dvb_usb]) [ 3.595138] r10:00000002 r9:00000002 r8:7f03adc8 r7:ad8515da r6:af330000 r5:ad851400 [ 3.595159] r4:af332000 [ 3.595179] [<7f02c420>] (dvb_usb_device_power_ctrl [dvb_usb]) from [<7f02c6cc>] (dvb_usb_device_init+0x258/0x688 [dvb_usb]) [ 3.595212] [<7f02c474>] (dvb_usb_device_init [dvb_usb]) from [<7f038f9c>] (pctv452e_usb_probe+0x60/0x78 [dvb_usb_pctv452e]) [ 3.595240] r10:7f03b354 r9:ade6f600 r8:7f03b2dc r7:00000000 r6:ad851400 r5:ade6f600 [ 3.595261] r4:7f03aaa8 [ 3.595285] [<7f038f3c>] (pctv452e_usb_probe [dvb_usb_pctv452e]) from [<804e6be8>] (usb_probe_interface+0x10c/0x264) [ 3.595309] r5:ad851470 r4:ade6f620 [ 3.595328] [<804e6adc>] (usb_probe_interface) from [<80470894>] (driver_probe_device+0x20c/0x2b8) [ 3.595354] r10:7f03b3c0 r9:ae123aa4 r8:0000000c r7:7f03b2dc r6:00000000 r5:ade6f620 [ 3.595375] r4:80c6c404 [ 3.595392] [<80470688>] (driver_probe_device) from [<80470a00>] (__driver_attach+0xc0/0xc4) [ 3.595417] r9:ae123aa4 r8:7f03b3c0 r7:00000000 r6:ade6f654 r5:7f03b2dc r4:ade6f620 [ 3.595445] [<80470940>] (__driver_attach) from [<8046ea50>] (bus_for_each_dev+0x70/0xa4) [ 3.595468] r7:00000000 r6:80470940 r5:7f03b2dc r4:00000000 [ 3.595486] [<8046e9e0>] (bus_for_each_dev) from [<8047010c>] (driver_attach+0x24/0x28) [ 3.595509] r6:80c25cf4 r5:adf77e00 r4:7f03b2dc [ 3.595527] [<804700e8>] (driver_attach) from [<8046fc50>] (bus_add_driver+0x110/0x21c) [ 3.595552] [<8046fb40>] (bus_add_driver) from [<80470f60>] (driver_register+0x80/0xfc) [ 3.595575] r7:7f03a1b4 r6:7f03b2dc r5:80c25cf4 r4:7f03b2dc [ 3.595593] [<80470ee0>] (driver_register) from [<804e5784>] (usb_register_driver+0x78/0x13c) [ 3.595616] r5:80c25cf4 r4:7f03b2a8 [ 3.595640] [<804e570c>] (usb_register_driver) from [<7f03d024>] (pctv452e_usb_driver_init+0x24/0x2c [dvb_usb_pctv452e]) [ 3.595669] r9:ae123aa4 r8:00000000 r7:ae123b40 r6:ae123a80 r5:ffffe000 r4:7f03d000 [ 3.595700] [<7f03d000>] (pctv452e_usb_driver_init [dvb_usb_pctv452e]) from [<8010179c>] (do_one_initcall+0x4c/0x174) [ 3.595732] [<80101750>] (do_one_initcall) from [<8019a22c>] (do_init_module+0x68/0x3ac) [ 3.595757] r8:00000003 r7:ae123b40 r6:ae123a80 r5:00000001 r4:7f03b3c0 [ 3.595781] [<8019a1c4>] (do_init_module) from [<801855b8>] (load_module+0x1b60/0x209c) [ 3.595805] r7:00000001 r6:ae123a80 r5:00000001 r4:ae10bf44 [ 3.595823] [<80183a58>] (load_module) from [<80185cfc>] (SyS_finit_module+0xb0/0xc0) [ 3.595849] r10:00000000 r9:ae10a000 r8:80107b44 r7:0000017b r6:76ebb77f r5:00000011 [ 3.595870] r4:00000000 [ 3.595890] [<80185c4c>] (SyS_finit_module) from [<801079a0>] (ret_fast_syscall+0x0/0x34) [ 3.595913] r6:00000000 r5:00000000 r4:76db2388 [ 3.595930] Code: e50b9030 e3e05000 e50b302c e3a08002 (e5832000) [ 3.595975] ---[ end trace a1e621f5ce9d276d ]--- [ 3.659842] gpiomem-bcm2835 3f200000.gpiomem: Initialised: Registers at 0x3f200000 [ 3.903722] usbcore: registered new interface driver brcmfmac [ 4.202160] brcmfmac: brcmf_c_preinit_dcmds: Firmware version = wl0: May 27 2016 00:13:38 version 7.45.41.26 (r640327) FWID 01-df77e4a7 [ 4.379763] uart-pl011 3f201000.serial: no DMA platform data [ 4.613010] smsc95xx 1-1.1:1.0 eth0: hardware isn't capable of remote wakeup [ 4.613282] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready [ 4.688694] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 4.688730] brcmfmac: power management disabled [ 5.157620] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 6.207924] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 6.209334] smsc95xx 1-1.1:1.0 eth0: link up, 100Mbps, full-duplex, lpa 0xC1E1 [ 6.231295] 8021q: 802.1Q VLAN Support v1.8 [ 8.836428] Bluetooth: Core ver 2.22 [ 8.836504] NET: Registered protocol family 31 [ 8.836519] Bluetooth: HCI device and connection manager initialized [ 8.836544] Bluetooth: HCI socket layer initialized [ 8.836561] Bluetooth: L2CAP socket layer initialized [ 8.836588] Bluetooth: SCO socket layer initialized [ 8.845488] Bluetooth: HCI UART driver ver 2.3 [ 8.845519] Bluetooth: HCI UART protocol H4 registered [ 8.845535] Bluetooth: HCI UART protocol Three-wire (H5) registered [ 8.845632] Bluetooth: HCI UART protocol Broadcom registered