Kernel BUG in drivers/video/fbdev/bcm2708_fb.c:329!

[huaraz]

Hi

I upgraded my with a new kernel und run now into the following issue:

raspberrypi login: ▒▒[225060.073616] smsc95xx 1-1.1:1.0 eth0: hardware isn't capable of remote wakeup
[225061.883660] systemd-shutdown[1]: Sending SIGTERM to remaining processes...
[225061.925903] systemd-journald[88]: Received SIGTERM from PID 1 (systemd-shutdow).
[225061.983990] systemd-shutdown[1]: Sending SIGKILL to remaining processes...
[225062.018718] systemd-shutdown[1]: Unmounting file systems.
[225062.026081] systemd-shutdown[1]: Unmounting /sys/fs/fuse/connections.
[225062.033154] systemd-shutdown[1]: Unmounting /sys/kernel/config.
[225062.039323] systemd-shutdown[1]: Unmounting /dev/mqueue.
[225062.045006] systemd-shutdown[1]: Unmounting /sys/kernel/debug.
[225062.106181] EXT4-fs (sda1): re-mounted. Opts: (null)
[225062.117704] EXT4-fs (sda1): re-mounted. Opts: (null)
[225062.122979] EXT4-fs (sda1): re-mounted. Opts: (null)
[225062.128117] systemd-shutdown[1]: All filesystems unmounted.
[225062.133927] systemd-shutdown[1]: Deactivating swaps.
[225062.139474] systemd-shutdown[1]: All swaps deactivated.
[225062.145098] systemd-shutdown[1]: Detaching loop devices.
[225062.190936] systemd-shutdown[1]: All loop devices detached.
[225062.196840] systemd-shutdown[1]: Detaching DM devices.
[225062.203056] systemd-shutdown[1]: All DM devices detached.
[225062.260208] systemd-shutdown[1]: Rebooting.
[225062.265938] reboot: Restarting system
Uncompressing Linux... done, booting the kernel.
[    0.000000] Booting Linux on physical CPU 0x0
[    0.000000] Initializing cgroup subsys cpu
[    0.000000] Initializing cgroup subsys cpuacct
[    0.000000] Linux version 3.18.7+ (dc4@dc4-XPS13-9333) (gcc version 4.8.3 20140303 (prerelease) (crosstool-NG linaro-1.13.1+bzr2650 - Linaro GCC 2014.03) ) #755 PREEMPT Thu Feb 12 17:14:31 GMT 2015
[    0.000000] CPU: ARMv6-compatible processor [410fb767] revision 7 (ARMv7), cr=00c5387d
[    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT nonaliasing instruction cache
[    0.000000] Machine model: Raspberry Pi Model B
[    0.000000] early_vc_cma_mem(0/0x4c00000@0xa000000)
[    0.000000]  -> initial 0, size 4c00000, base a000000[    0.000000] cma: Reserved 76 MiB at 0x0a000000
[    0.000000] cma: Reserved 8 MiB at 0x08800000
[    0.000000] Memory policy: Data cache writeback
[    0.000000] Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 55848
[    0.000000] Kernel command line: dma.dmachans=0x7f35 bcm2708_fb.fbwidth=656 bcm2708_fb.fbheight=416 bcm2708.boardrev=0x2 bcm2708.serial=0x96445531 smsc95xx.macaddr=B8:27:EB:44:55:31 bcm2708_fb.fbswap=1 sdhci-bcm2708.emmc_clock_freq=250000000 vc-cma-mem=0/0x4c00000@0xa000000 mem=0x9000000@0x0 mem=0x4c00000@0xa000000 vc_mem.mem_base=0xec00000 vc_mem.mem_size=0x10000000  dwc_otg.lpm_enable=0 console=ttyAMA0,115200 kgdboc=ttyAMA0,115200 console=tty1 root=/dev/sda1     rootfstype=ext4 elevator=deadline rootwait rootdelay=5 coherent_pool=6M  smsc95xx.turbo_mode=N
[    0.000000] PID hash table entries: 1024 (order: 0, 4096 bytes)
[    0.000000] Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
[    0.000000] Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
[    0.000000] Memory: 127784K/225280K available (5926K kernel code, 358K rwdata, 1876K rodata, 340K init, 734K bss, 97496K reserved)
[    0.000000] Virtual kernel memory layout:
[    0.000000]     vector  : 0xffff0000 - 0xffff1000   (   4 kB)
[    0.000000]     fixmap  : 0xffc00000 - 0xffe00000   (2048 kB)
[    0.000000]     vmalloc : 0xcf000000 - 0xff000000   ( 768 MB)
[    0.000000]     lowmem  : 0xc0000000 - 0xcec00000   ( 236 MB)
[    0.000000]     modules : 0xbf000000 - 0xc0000000   (  16 MB)
[    0.000000]       .text : 0xc0008000 - 0xc07a6ad8   (7803 kB)
[    0.000000]       .init : 0xc07a7000 - 0xc07fc000   ( 340 kB)
[    0.000000]       .data : 0xc07fc000 - 0xc085588c   ( 359 kB)
[    0.000000]        .bss : 0xc085588c - 0xc090d128   ( 735 kB)
[    0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[    0.000000] Preemptible hierarchical RCU implementation.
[    0.000000] NR_IRQS:522
[    0.000024] sched_clock: 32 bits at 1000kHz, resolution 1000ns, wraps every 2147483648000ns
[    0.000075] Switching to timer-based delay loop, resolution 1000ns
[    0.000354] Console: colour dummy device 80x30
[    0.001536] console [tty1] enabled
[    0.001581] Calibrating delay loop (skipped), value calculated using timer frequency.. 2.00 BogoMIPS (lpj=10000)
[    0.001657] pid_max: default: 32768 minimum: 301
[    0.002030] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[    0.002095] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[    0.003093] Initializing cgroup subsys memory
[    0.003185] Initializing cgroup subsys devices
[    0.003244] Initializing cgroup subsys freezer
[    0.003297] Initializing cgroup subsys net_cls
[    0.003349] Initializing cgroup subsys blkio
[    0.003474] CPU: Testing write buffer coherency: ok
[    0.003596] ftrace: allocating 19479 entries in 58 pages
[    0.111766] Setting up static identity map for 0x55d058 - 0x55d0b4
[    0.114597] devtmpfs: initialized
[    0.132493] VFP support v0.3: implementor 41 architecture 1 part 20 variant b rev 5
[    0.145109] pinctrl core: initialized pinctrl subsystem
[    0.147802] NET: Registered protocol family 16
[    0.156282] DMA: preallocated 6144 KiB pool for atomic coherent allocations
[    0.181608] cpuidle: using governor ladder
[    0.211668] cpuidle: using governor menu
[    0.212564] bcm2708.uart_clock = 3000000
[    0.215628] No ATAGs?
[    0.215693] hw-breakpoint: found 6 breakpoint and 1 watchpoint registers.
[    0.215754] hw-breakpoint: maximum watchpoint size is 4 bytes.
[    0.215821] mailbox: Broadcom VideoCore Mailbox driver
[    0.215985] bcm2708_vcio: mailbox at f200b880
[    0.216478] bcm_power: Broadcom power driver
[    0.216536] bcm_power_open() -> 0
[    0.216568] bcm_power_request(0, 8)
[    0.717308] bcm_mailbox_read -> 00000080, 0
[    0.717355] bcm_power_request -> 0
[    0.717554] Serial: AMBA PL011 UART driver
[    0.717790] dev:f1: ttyAMA0 at MMIO 0x20201000 (irq = 83, base_baud = 0) is a PL011 rev3
[    1.133621] console [ttyAMA0] enabled
[    1.206726] SCSI subsystem initialized
[    1.210828] usbcore: registered new interface driver usbfs
[    1.216643] usbcore: registered new interface driver hub
[    1.222146] usbcore: registered new device driver usb
[    1.229527] Switched to clocksource stc
[    1.264035] FS-Cache: Loaded
[    1.267374] CacheFiles: Loaded
[    1.287495] NET: Registered protocol family 2
[    1.293456] TCP established hash table entries: 2048 (order: 1, 8192 bytes)
[    1.300752] TCP bind hash table entries: 2048 (order: 1, 8192 bytes)
[    1.307183] TCP: Hash tables configured (established 2048 bind 2048)
[    1.313700] TCP: reno registered
[    1.316967] UDP hash table entries: 256 (order: 0, 4096 bytes)
[    1.322894] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
[    1.329651] NET: Registered protocol family 1
[    1.334668] RPC: Registered named UNIX socket transport module.
[    1.340753] RPC: Registered udp transport module.
[    1.345484] RPC: Registered tcp transport module.
[    1.350249] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    1.358137] bcm2708_dma: DMA manager at f2007000
[    1.363161] vc-mem: phys_addr:0x00000000 mem_base=0x0ec00000 mem_size:0x10000000(256 MiB)
[    1.373057] futex hash table entries: 256 (order: -1, 3072 bytes)
[    1.379331] audit: initializing netlink subsys (disabled)
[    1.385055] audit: type=2000 audit(1.120:1): initialized
[    1.405924] VFS: Disk quotas dquot_6.5.2
[    1.410422] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[    1.419934] FS-Cache: Netfs 'nfs' registered for caching
[    1.427044] NFS: Registering the id_resolver key type
[    1.432367] Key type id_resolver registered
[    1.436582] Key type id_legacy registered
[    1.442131] msgmni has been set to 417
[    1.448431] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252)
[    1.456454] io scheduler noop registered
[    1.460598] io scheduler deadline registered (default)
[    1.466156] io scheduler cfq registered
[    1.472337] BCM2708FB: allocated DMA memory 48e00000
[    1.477402] BCM2708FB: allocated DMA channel 0 @ f2007000
[    1.484352] ------------[ cut here ]------------
[    1.489066] WARNING: CPU: 0 PID: 1 at arch/arm/mm/ioremap.c:301 __arm_ioremap_pfn_caller+0x228/0x258()
[    1.498555] Modules linked in:
[    1.501774] CPU: 0 PID: 1 Comm: swapper Not tainted 3.18.7+ #755
[    1.507858] [<c00151fc>] (unwind_backtrace) from [<c0012710>] (show_stack+0x20/0x24)
[    1.515727] [<c0012710>] (show_stack) from [<c0555b30>] (dump_stack+0x20/0x28)
[    1.523062] [<c0555b30>] (dump_stack) from [<c0022ef4>] (warn_slowpath_common+0x7c/0x9c)
[    1.531252] [<c0022ef4>] (warn_slowpath_common) from [<c0022fd0>] (warn_slowpath_null+0x2c/0x34)
[    1.540141] [<c0022fd0>] (warn_slowpath_null) from [<c001ada0>] (__arm_ioremap_pfn_caller+0x228/0x258)
[    1.549504] [<c001ada0>] (__arm_ioremap_pfn_caller) from [<c001ae30>] (__arm_ioremap_caller+0x60/0x68)
[    1.558912] [<c001ae30>] (__arm_ioremap_caller) from [<c001a8d4>] (__arm_ioremap+0x24/0x2c)
[    1.567366] [<c001a8d4>] (__arm_ioremap) from [<c032a17c>] (bcm2708_fb_set_par+0x10c/0x130)
[    1.575816] [<c032a17c>] (bcm2708_fb_set_par) from [<c032a4bc>] (bcm2708_fb_probe+0x31c/0x3c0)
[    1.584540] [<c032a4bc>] (bcm2708_fb_probe) from [<c0367698>] (platform_drv_probe+0x54/0xb4)
[    1.593082] [<c0367698>] (platform_drv_probe) from [<c03656e8>] (really_probe+0x88/0x21c)
[    1.601354] [<c03656e8>] (really_probe) from [<c0365988>] (__driver_attach+0xa8/0xac)
[    1.609243] [<c0365988>] (__driver_attach) from [<c0363a84>] (bus_for_each_dev+0x70/0xa4)
[    1.617515] [<c0363a84>] (bus_for_each_dev) from [<c0365274>] (driver_attach+0x28/0x30)
[    1.625616] [<c0365274>] (driver_attach) from [<c0364ef8>] (bus_add_driver+0x154/0x200)
[    1.633714] [<c0364ef8>] (bus_add_driver) from [<c0366328>] (driver_register+0x88/0x108)
[    1.641904] [<c0366328>] (driver_register) from [<c03675b8>] (__platform_driver_register+0x58/0x6c)
[    1.651056] [<c03675b8>] (__platform_driver_register) from [<c07ce96c>] (bcm2708_fb_init+0x18/0x20)
[    1.660200] [<c07ce96c>] (bcm2708_fb_init) from [<c0008760>] (do_one_initcall+0x90/0x1e4)
[    1.668445] [<c0008760>] (do_one_initcall) from [<c07a7e08>] (kernel_init_freeable+0xf8/0x1b8)
[    1.677159] [<c07a7e08>] (kernel_init_freeable) from [<c05513d0>] (kernel_init+0x18/0xfc)
[    1.685442] [<c05513d0>] (kernel_init) from [<c000e988>] (ret_from_fork+0x14/0x20)
[    1.693135] ---[ end trace 25f71beeec4416ec ]---
[    1.697908] ------------[ cut here ]------------
[    1.702547] kernel BUG at drivers/video/fbdev/bcm2708_fb.c:329!
[    1.708484] Internal error: Oops - BUG: 0 [#1] PREEMPT ARM
[    1.713982] Modules linked in:
[    1.717064] CPU: 0 PID: 1 Comm: swapper Tainted: G        W      3.18.7+ #755
[    1.724217] task: c8078000 ti: c803c000 task.ti: c803c000
[    1.729645] PC is at bcm2708_fb_set_par+0x12c/0x130
[    1.734551] LR is at console_unlock+0x44c/0x6e0
[    1.739100] pc : [<c032a19c>]    lr : [<c005cec0>]    psr: 60000113
[    1.739100] sp : c803dd50  ip : 60000113  fp : c803dd74
[    1.750601] r10: 00000186  r9 : 000186a0  r8 : 00000190
[    1.755838] r7 : c81c4424  r6 : c803dd54  r5 : c8e10000  r4 : c81c4400
[    1.762378] r3 : 00000000  r2 : 00000000  r1 : 00000000  r0 : 00000000
[    1.768921] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment kernel
[    1.776249] Control: 00c5387d  Table: 00004008  DAC: 00000015
[    1.782008] Process swapper (pid: 1, stack limit = 0xc803c1b0)
[    1.787855] Stack: (0xc803dd50 to 0xc803e000)
[    1.792231] dd40:                                     c080b1d0 00000000 c81c4424 c81c4400
[    1.800436] dd60: c080b1d0 c080b1c0 c803ddb4 c803dd78 c032a4bc c032a07c 00000000 c81c4400
[    1.808642] dd80: 00000001 48e10000 c080b1d8 c080b1d0 fffffdfb c0837bdc c0837bdc 00000000
[    1.816848] dda0: c8200e40 00000000 c803ddd4 c803ddb8 c0367698 c032a1ac c08e4d88 c080b1d0
[    1.825054] ddc0: 00000000 c0837bdc c803ddfc c803ddd8 c03656e8 c0367650 00000007 c080b1d0
[    1.833260] dde0: c0837bdc c080b204 00000000 c07df1f4 c803de1c c803de00 c0365988 c036566c
[    1.841465] de00: c03658e0 00000000 c0837bdc c03658e0 c803de44 c803de20 c0363a84 c03658ec
[    1.849671] de20: c802370c c812a030 c81fd754 c0837bdc c81fd720 c083c310 c803de54 c803de48
[    1.857877] de40: c0365274 c0363a20 c803de7c c803de58 c0364ef8 c0365258 c06a3e78 c803de68
[    1.866082] de60: c0837bdc c08077f0 c07ce954 c803c038 c803de94 c803de80 c0366328 c0364db0
[    1.874286] de80: c08077f0 c08077f0 c803dea4 c803de98 c03675b8 c03662ac c803deb4 c803dea8
[    1.882492] dea0: c07ce96c c036756c c803df4c c803deb8 c0008760 c07ce960 c06a0278 000000c7
[    1.890697] dec0: c0731f34 00000000 c803def0 c803dee0 c003e430 c02f9b18 c803df04 c803dee8
[    1.898902] dee0: c803df00 c803def0 c003e430 c02f9afc c87ff359 c05a26b8 c803df4c c803df08
[    1.907107] df00: c003e5c0 c003e41c 00000000 00000006 00000006 c87ff36e c07312c4 00000000
[    1.915313] df20: 00000000 c07fb250 00000006 c08558a0 c08558a0 c07df1f4 000000e8 c07df200
[    1.923517] df40: c803df94 c803df50 c07a7e08 c00086dc 00000006 00000006 c07a75e8 c08295f0
[    1.931722] df60: c803c038 c8078d80 c803df94 00000000 c05513b8 00000000 00000000 00000000
[    1.939927] df80: 00000000 00000000 c803dfac c803df98 c05513d0 c07a7d1c c803c000 00000000
[    1.948131] dfa0: 00000000 c803dfb0 c000e988 c05513c4 00000000 00000000 00000000 00000000
[    1.956335] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[    1.964538] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000
[    1.972762] [<c032a19c>] (bcm2708_fb_set_par) from [<c032a4bc>] (bcm2708_fb_probe+0x31c/0x3c0)
[    1.981426] [<c032a4bc>] (bcm2708_fb_probe) from [<c0367698>] (platform_drv_probe+0x54/0xb4)
[    1.989908] [<c0367698>] (platform_drv_probe) from [<c03656e8>] (really_probe+0x88/0x21c)
[    1.998127] [<c03656e8>] (really_probe) from [<c0365988>] (__driver_attach+0xa8/0xac)
[    2.005995] [<c0365988>] (__driver_attach) from [<c0363a84>] (bus_for_each_dev+0x70/0xa4)
[    2.014211] [<c0363a84>] (bus_for_each_dev) from [<c0365274>] (driver_attach+0x28/0x30)
[    2.022252] [<c0365274>] (driver_attach) from [<c0364ef8>] (bus_add_driver+0x154/0x200)
[    2.030294] [<c0364ef8>] (bus_add_driver) from [<c0366328>] (driver_register+0x88/0x108)
[    2.038425] [<c0366328>] (driver_register) from [<c03675b8>] (__platform_driver_register+0x58/0x6c)
[    2.047516] [<c03675b8>] (__platform_driver_register) from [<c07ce96c>] (bcm2708_fb_init+0x18/0x20)
[    2.056601] [<c07ce96c>] (bcm2708_fb_init) from [<c0008760>] (do_one_initcall+0x90/0x1e4)
[    2.064832] [<c0008760>] (do_one_initcall) from [<c07a7e08>] (kernel_init_freeable+0xf8/0x1b8)
[    2.073487] [<c07a7e08>] (kernel_init_freeable) from [<c05513d0>] (kernel_init+0x18/0xfc)
[    2.081709] [<c05513d0>] (kernel_init) from [<c000e988>] (ret_from_fork+0x14/0x20)
[    2.089311] Code: e24bd018 e89da870 ebf4c8f0 ebf4ca35 (e7f001f2)
[    2.095430] ---[ end trace 25f71beeec4416ed ]---
[    2.100210] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
[    2.100210]
[    2.109392] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
[    2.109392]

The config.txt was:

    # uncomment if you get no picture on HDMI for a default "safe" mode
    #hdmi_safe=1

    # uncomment this if your display has a black border of unused pixels visible
    # and your display can output without overscan
    #disable_overscan=1

    # uncomment the following to adjust overscan. Use positive numbers if console
    # goes off screen, and negative if there is too much border
    #overscan_left=16
    #overscan_right=16
    #overscan_top=16
    #overscan_bottom=16

    # uncomment to force a console size. By default it will be display's size minus
    # overscan.
    #framebuffer_width=1280
    #framebuffer_height=720

    # uncomment if hdmi display is not detected and composite is being output
    #hdmi_force_hotplug=1

    # uncomment to force a specific HDMI mode (this will force VGA)
    #hdmi_group=1
    #hdmi_mode=1

    # uncomment to force a HDMI mode rather than DVI. This can make audio work in
    # DMT (computer monitor) modes
    #hdmi_drive=2

    # uncomment to increase signal to HDMI, if you have interference, blanking, or
    # no display
    #config_hdmi_boost=4

    # uncomment for composite PAL
    #sdtv_mode=2

    #uncomment to overclock the arm. 700 MHz is the default.
    #arm_freq=800

    #memory split options
    gpu_mem_256=112
    gpu_mem_512=368
    cma_lwm=16
    cma_hwm=32
    cma_offline_start=16

    # for more options see http://elinux.org/RPi_config.txt
    gpu_mem=64

cmdline.txt was:

dwc_otg.lpm_enable=0 console=ttyAMA0,115200 kgdboc=ttyAMA0,115200 console=tty1 root=/dev/sda1   rootfstype=ext4 elevator=deadline rootwait rootdelay=5 coherent_pool=6M  smsc95xx.turbo_mode=N

The last kernel working for me was:

Linux raspberrypi 3.12.32+ #721 PREEMPT Fri Nov 7 16:50:31 GMT 2014 armv6l GNU/Linux

Markus

[notro]

@popcornmix
This commit https://github.com/notro/linux/commit/5b103c323095098b1170ec50bb32a8e0bc555ede from #949 removes that nasty BUG statement in the fbdev driver letting the kernel continue booting when it fails probing.

[pelwell]

That's an old kernel and firmware. There have been several CMA-related changes since then - you could try a "sudo rpi-update" after you've temporarily commented out the CMA settings. But to keep things simple, try adding "cma=0" to your cmdline.txt and rebooting.

[huaraz]

When you say old kernel do you mean
Linux raspberrypi 3.12.32+ #721 PREEMPT Fri Nov 7 16:50:31 GMT 2014 armv6l GNU/Linux ?

The latest I tested and from which the kernel bug messages is is

3.18.7-v7+

Markus

[pelwell]

Both. The rpi-3.18.y tree is up to 3.18.11.

[huaraz]

Ok. I did a rpi-update and added cma=0 which worked.

Thank you
Markus