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nspire-cx2-cas-drm-exception
# dmesg
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Linux version 5.11.0-rc2-nspire-gfe5e5ff6d50b (sysadmin@e5550) (arm-none-eabi-gcc (15:9-2019-q4-0ubuntu1) 9.2.1 20191025 (release) [ARM/arm-9-branch revision 277599], GNU ld (2.34-4ubuntu1+13ubuntu1) 2.34) #1 Sat Apr 17 12:10:58 EDT 2021
[ 0.000000] CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=0005317f
[ 0.000000] CPU: VIVT data cache, VIVT instruction cache
[ 0.000000] OF: fdt: Machine model: TI-NSPIRE CX II
[ 0.000000] Memory policy: Data cache writeback
[ 0.000000] Zone ranges:
[ 0.000000] Normal [mem 0x0000000010000000-0x0000000013ffffff]
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x0000000010000000-0x0000000013ffffff]
[ 0.000000] Initmem setup node 0 [mem 0x0000000010000000-0x0000000013ffffff]
[ 0.000000] On node 0 totalpages: 16384
[ 0.000000] Normal zone: 128 pages used for memmap
[ 0.000000] Normal zone: 0 pages reserved
[ 0.000000] Normal zone: 16384 pages, LIFO batch:3
[ 0.000000] pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768
[ 0.000000] pcpu-alloc: [0] 0
[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 16256
[ 0.000000] Kernel command line: root=/dev/ram
[ 0.000000] Dentry cache hash table entries: 8192 (order: 3, 32768 bytes, linear)
[ 0.000000] Inode-cache hash table entries: 4096 (order: 2, 16384 bytes, linear)
[ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
[ 0.000000] Memory: 55020K/65536K available (3835K kernel code, 565K rwdata, 652K rodata, 168K init, 335K bss, 10516K reserved, 0K cma-reserved)
[ 0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
[ 0.000000] VIC @(ptrval): id 0x00041190, vendor 0x41
[ 0.000000] TI-NSPIRE CX II Clocks: 288 MHz CPU
[ 0.000000] Failed to initialize '/ahb/apb@90000000/timer@900C0000': -22
[ 0.000000] clocksource: arm,sp804: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 58327039986419 ns
[ 0.000030] sched_clock: 32 bits at 32kHz, resolution 30517ns, wraps every 65535999984741ns
[ 0.001068] Console: colour dummy device 80x30
[ 0.003234] printk: console [tty0] enabled
[ 0.003570] Calibrating delay loop... 143.76 BogoMIPS (lpj=718848)
[ 0.070373] pid_max: default: 32768 minimum: 301
[ 0.071472] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[ 0.071868] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[ 0.076690] CPU: Testing write buffer coherency: ok
[ 0.082183] Setting up static identity map for 0x10008400 - 0x1000843c
[ 0.085693] devtmpfs: initialized
[ 0.097045] random: get_random_bytes called from 0xc030c40c with crng_init=0
[ 0.098388] VFP support v0.3: not present
[ 0.099792] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.100494] futex hash table entries: 256 (order: -1, 3072 bytes, linear)
[ 0.106292] NET: Registered protocol family 16
[ 0.108795] DMA: preallocated 256 KiB pool for atomic coherent allocations
[ 0.120117] cpuidle: using governor ladder
[ 0.120635] cpuidle: using governor menu
[ 0.121185] Serial: AMBA PL011 UART driver
[ 0.135650] 90020000.serial: ttyAMA0 at MMIO 0x90020000 (irq = 17, base_baud = 0) is a PL011 rev3
[ 0.138610] OF: amba_device_add() failed (-19) for /ahb/apb@90000000/timer@900C0000
[ 0.139862] OF: amba_device_add() failed (-19) for /ahb/apb@90000000/timer@900D0000
[ 0.202209] SCSI subsystem initialized
[ 0.203308] usb_phy_generic usb_phy: supply vcc not found, using dummy regulator
[ 0.215118] clocksource: Switched to clocksource arm,sp804
[ 0.217437] FS-Cache: Loaded
[ 0.310791] NET: Registered protocol family 2
[ 0.314331] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 4096 bytes, linear)
[ 0.314880] TCP established hash table entries: 1024 (order: 0, 4096 bytes, linear)
[ 0.315521] TCP bind hash table entries: 1024 (order: 0, 4096 bytes, linear)
[ 0.315856] TCP: Hash tables configured (established 1024 bind 1024)
[ 0.316680] UDP hash table entries: 256 (order: 0, 4096 bytes, linear)
[ 0.317077] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes, linear)
[ 0.318725] NET: Registered protocol family 1
[ 0.321105] Trying to unpack rootfs image as initramfs...
[ 2.545379] random: fast init done
[ 2.801910] Freeing initrd memory: 4152K
[ 2.807281] workingset: timestamp_bits=30 max_order=14 bucket_order=0
[ 2.848968] FS-Cache: Netfs 'cifs' registered for caching
[ 2.851257] Key type cifs.idmap registered
[ 2.852020] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252)
[ 2.852355] io scheduler mq-deadline registered
[ 2.852508] io scheduler kyber registered
[ 2.860595] Serial: AMBA driver
[ 2.869964] panel-simple panel: supply power not found, using dummy regulator
[ 2.871612] panel-simple panel: Specify missing connector_type
[ 2.873596] drm-clcd-pl111 c0000000.lcd: no max memory bandwidth specified, assume unlimited
[ 2.875885] drm-clcd-pl111 c0000000.lcd: found panel on endpoint 0
[ 2.881408] [drm] Initialized pl111 1.0.0 20170317 for c0000000.lcd on minor 0
[ 2.882110] ------------[ cut here ]------------
[ 2.882354] WARNING: CPU: 0 PID: 1 at drivers/gpu/drm/drm_mode_object.c:45 0xc02871a0
[ 2.882629] CPU: 0 PID: 1 Comm: swapper Not tainted 5.11.0-rc2-nspire-gfe5e5ff6d50b #1
[ 2.882843] Hardware name: Generic DT based system
[ 2.883026] Function entered at [<c0011048>] from [<c000ff90>]
[ 2.883209] Function entered at [<c000ff90>] from [<c03c19f4>]
[ 2.883392] Function entered at [<c03c19f4>] from [<c03c1a84>]
[ 2.883575] Function entered at [<c03c1a84>] from [<c02871a0>]
[ 2.883758] Function entered at [<c02871a0>] from [<c0287218>]
[ 2.883941] Function entered at [<c0287218>] from [<c0287d58>]
[ 2.884124] Function entered at [<c0287d58>] from [<c02880c8>]
[ 2.884277] Function entered at [<c02880c8>] from [<c0285c88>]
[ 2.884460] Function entered at [<c0285c88>] from [<c0298600>]
[ 2.884613] Function entered at [<c0298600>] from [<c025fd90>]
[ 2.884796] Function entered at [<c025fd90>] from [<c0292c84>]
[ 2.884979] Function entered at [<c0292c84>] from [<c026e1dc>]
[ 2.885162] Function entered at [<c026e1dc>] from [<c0270154>]
[ 2.885681] Function entered at [<c0270154>] from [<c02702d0>]
[ 2.885925] Function entered at [<c02702d0>] from [<c0299eb8>]
[ 2.886108] Function entered at [<c0299eb8>] from [<c022c228>]
[ 2.886291] Function entered at [<c022c228>] from [<c02a04fc>]
[ 2.886474] Function entered at [<c02a04fc>] from [<c02a06ec>]
[ 2.886627] Function entered at [<c02a06ec>] from [<c02a0ab8>]
[ 2.886810] Function entered at [<c02a0ab8>] from [<c02a0b7c>]
[ 2.886962] Function entered at [<c02a0b7c>] from [<c029ed28>]
[ 2.887145] Function entered at [<c029ed28>] from [<c029f3d4>]
[ 2.887329] Function entered at [<c029f3d4>] from [<c02a1108>]
[ 2.887481] Function entered at [<c02a1108>] from [<c0490cd0>]
[ 2.887664] Function entered at [<c0490cd0>] from [<c0490f88>]
[ 2.887847] Function entered at [<c0490f88>] from [<c03c4650>]
[ 2.888000] Function entered at [<c03c4650>] from [<c0008518>]
[ 2.888183] Exception stack(0xc0833fb0 to 0xc0833ff8)
[ 2.888336] 3fa0: 00000000 00000000 00000000 00000000
[ 2.888549] 3fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 2.888763] 3fe0: 00000000 00000000 00000000 00000000 00000013 00000000
[ 2.888946] ---[ end trace 79d5c942961d6665 ]---
[ 2.889190] ------------[ cut here ]------------
[ 2.889373] WARNING: CPU: 0 PID: 1 at drivers/gpu/drm/drm_mode_object.c:242 0xc0287580
[ 2.889617] CPU: 0 PID: 1 Comm: swapper Tainted: G W 5.11.0-rc2-nspire-gfe5e5ff6d50b #1
[ 2.889862] Hardware name: Generic DT based system
[ 2.890014] Function entered at [<c0011048>] from [<c000ff90>]
[ 2.890197] Function entered at [<c000ff90>] from [<c03c19f4>]
[ 2.890380] Function entered at [<c03c19f4>] from [<c03c1a84>]
[ 2.890563] Function entered at [<c03c1a84>] from [<c0287580>]
[ 2.890716] Function entered at [<c0287580>] from [<c0285ca8>]
[ 2.890899] Function entered at [<c0285ca8>] from [<c0298600>]
[ 2.891082] Function entered at [<c0298600>] from [<c025fd90>]
[ 2.891235] Function entered at [<c025fd90>] from [<c0292c84>]
[ 2.891418] Function entered at [<c0292c84>] from [<c026e1dc>]
[ 2.891601] Function entered at [<c026e1dc>] from [<c0270154>]
[ 2.891784] Function entered at [<c0270154>] from [<c02702d0>]
[ 2.891967] Function entered at [<c02702d0>] from [<c0299eb8>]
[ 2.892120] Function entered at [<c0299eb8>] from [<c022c228>]
[ 2.892303] Function entered at [<c022c228>] from [<c02a04fc>]
[ 2.892456] Function entered at [<c02a04fc>] from [<c02a06ec>]
[ 2.892639] Function entered at [<c02a06ec>] from [<c02a0ab8>]
[ 2.892791] Function entered at [<c02a0ab8>] from [<c02a0b7c>]
[ 2.892974] Function entered at [<c02a0b7c>] from [<c029ed28>]
[ 2.893157] Function entered at [<c029ed28>] from [<c029f3d4>]
[ 2.893310] Function entered at [<c029f3d4>] from [<c02a1108>]
[ 2.893493] Function entered at [<c02a1108>] from [<c0490cd0>]
[ 2.893646] Function entered at [<c0490cd0>] from [<c0490f88>]
[ 2.893829] Function entered at [<c0490f88>] from [<c03c4650>]
[ 2.894012] Function entered at [<c03c4650>] from [<c0008518>]
[ 2.894165] Exception stack(0xc0833fb0 to 0xc0833ff8)
[ 2.894348] 3fa0: 00000000 00000000 00000000 00000000
[ 2.894561] 3fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 2.894744] 3fe0: 00000000 00000000 00000000 00000000 00000013 00000000
[ 2.894927] ---[ end trace 79d5c942961d6666 ]---
[ 2.968353] Console: switching to colour frame buffer device 80x40
[ 2.985717] drm-clcd-pl111 c0000000.lcd: [drm] fb0: pl111drmfb frame buffer device
[ 2.992706] brd: module loaded
[ 3.050842] loop: module loaded
[ 3.056732] fotg210_udc b0000000.usb: version 30-April-2013
[ 3.058776] using random self ethernet address
[ 3.059265] using random host ethernet address
[ 3.062835] usb0: HOST MAC ce:ad:f0:52:9a:ce
[ 3.063629] usb0: MAC 3e:eb:c2:33:85:f4
[ 3.064147] g_ether gadget: Ethernet Gadget, version: Memorial Day 2008
[ 3.069641] g_ether gadget: g_ether ready
[ 3.078491] mousedev: PS/2 mouse device common for all mice
[ 3.086486] input: nspire-keypad as /devices/platform/ahb/ahb:apb@90000000/900e0000.input/input/input0
[ 3.100158] i2c /dev entries driver
[ 3.110626] NET: Registered protocol family 17
[ 3.129486] Freeing unused kernel memory: 168K
[ 3.135711] Kernel memory protection not selected by kernel config.
[ 3.141937] Run /init as init process
[ 3.148254] with arguments:
[ 3.154327] /init
[ 3.160644] with environment:
[ 3.166961] HOME=/
[ 3.173095] TERM=linux
[ 4.682647] random: dd: uninitialized urandom read (512 bytes read)
[ 17.857177] fotg210 udc suspend
[ 25.000793] fotg210 udc suspend
[ 25.007080] fotg210 udc reset
[ 25.074096] fotg210 udc suspend
[ 33.755462] USB VBUS output: disabling
[ 60.860656] random: crng init done
[ 134.248474] fotg210 udc suspend
[ 134.416839] fotg210 udc reset
[ 134.548339] fotg210 udc reset
#
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