Following appears with kernel 4.4.36 .
Maybe as a result of following patch ?
drm/radeon: Ensure vblank interrupt is enabled on DPMS transition to on
[ 5.331666] Can't enable IRQ/MSI because no handler is installed
[ 5.331842] ------------[ cut here ]------------
[ 5.331847] WARNING: at c048a53c [verbose debug info unavailable]
[ 5.331851] Modules linked in:
[ 5.331859] CPU: 0 PID: 1 Comm: swapper Not tainted 4.4.36-sam460ex-jm #1
[ 5.331864] task: ea848000 ti: ea84c000 task.ti: ea84c000
[ 5.331867] NIP: c048a53c LR: c048a53c CTR: 00000000
[ 5.331870] REGS: ea84d6e0 TRAP: 0700 Not tainted (4.4.36-sam460ex-jm)
[ 5.331879] MSR: 00029000 <CE,EE,ME> CR: 24008222 XER: 00000000
[ 5.331914]
[ 5.331914] GPR00: c048a53c ea84d790 ea848000 00000034 00000000
00000000 c0ea7a2c 00000000
[ 5.331914] GPR08: 00029000 00000800 ea84c000 ea84d790 24008222
00000000 eaa8096c 00000001
[ 5.331914] GPR16: eaacd9d4 c08e6c20 00000000 00000000 c0c678d7
00000000 c0da0000 ea982048
[ 5.331914] GPR24: c08f24c0 ea982108 eaa80984 ea9d4d80 eaa80800
eaa80800 eabdc000 ea982000
[ 5.331932] NIP [c048a53c] si_irq_set+0x28/0x9e4
[ 5.331937] LR [c048a53c] si_irq_set+0x28/0x9e4
[ 5.331938] Call Trace:
[ 5.331945] [ea84d790] [c048a53c] si_irq_set+0x28/0x9e4 (unreliable)
[ 5.331958] [ea84d7f0] [c0409b20] atombios_crtc_dpms+0x8c/0x104
[ 5.331964] [ea84d810] [c0409bb4] atombios_crtc_commit+0x1c/0x38
[ 5.331972] [ea84d820] [c03c9d90] drm_crtc_helper_set_mode+0x36c/0x410
[ 5.331978] [ea84d9f0] [c03ca628] drm_crtc_helper_set_config+0x6dc/0x934
[ 5.331991] [ea84da60] [c0423a70] radeon_crtc_set_config+0x50/0xf8
[ 5.332007] [ea84da80] [c03e47b0] drm_mode_set_config_internal+0x5c/0xe0
[ 5.332021] [ea84daa0] [c03d4704] restore_fbdev_mode+0x20c/0x25c
[ 5.332030] [ea84dad0] [c03d61ec]
drm_fb_helper_restore_fbdev_mode_unlocked+0x40/0x8c
[ 5.332036] [ea84daf0] [c03d6284] drm_fb_helper_set_par+0x4c/0x60
[ 5.332047] [ea84db00] [c0388144] fbcon_init+0x318/0x410
[ 5.332056] [ea84db50] [c03b3024] visual_init+0xac/0xf8
[ 5.332063] [ea84db60] [c03b487c] do_bind_con_driver+0x1e8/0x2d8
[ 5.332070] [ea84dbb0] [c03b4cd0] do_take_over_console+0x19c/0x1ac
[ 5.332075] [ea84dbe0] [c03878bc] do_fbcon_takeover+0x80/0xe4
[ 5.332087] [ea84dbf0] [c003c3fc] notifier_call_chain+0x60/0x94
[ 5.332094] [ea84dc10] [c003c71c]
__blocking_notifier_call_chain+0x50/0x68
[ 5.332104] [ea84dc30] [c038f3a8] register_framebuffer+0x248/0x26c
[ 5.332111] [ea84dc90] [c03d65b4]
drm_fb_helper_initial_config+0x31c/0x39c
[ 5.332120] [ea84dcd0] [c042bc78] radeon_fbdev_init+0xcc/0xf8
[ 5.332126] [ea84dcf0] [c0425dd0] radeon_modeset_init+0x5a8/0x938
[ 5.332132] [ea84dd50] [c040316c] radeon_driver_load_kms+0xcc/0x184
[ 5.332138] [ea84dd70] [c03df0b8] drm_dev_register+0x84/0xc8
[ 5.332144] [ea84dd90] [c03e0e78] drm_get_pci_dev+0xf4/0x18c
[ 5.332156] [ea84ddb0] [c03719e4] pci_device_probe+0x88/0xe8
[ 5.332164] [ea84ddd0] [c05436f4] driver_probe_device+0x130/0x290
[ 5.332170] [ea84de00] [c05438cc] __driver_attach+0x78/0xa0
[ 5.332188] [ea84de20] [c0541bec] bus_for_each_dev+0x90/0xa0
[ 5.332193] [ea84de50] [c0542dc8] bus_add_driver+0xe0/0x1f0
[ 5.332199] [ea84de70] [c054400c] driver_register+0xb4/0xf8
[ 5.332207] [ea84de90] [c00016f8] do_one_initcall+0x11c/0x1a0
[ 5.332214] [ea84df00] [c0d08acc] kernel_init_freeable+0x130/0x1cc
[ 5.332220] [ea84df30] [c0001cf4] kernel_init+0x14/0xf8
[ 5.332228] [ea84df40] [c000ade4] ret_from_kernel_thread+0x5c/0x64
[ 5.332230] Instruction dump:
[ 5.332241] 7c0803a6 4bb7c1ec 9421ffa0 7c0802a6 bdc10018 90010064
894313d0 2f8a0000
[ 5.332251] 40be001c 3c60c0c7 38631c16 483ea6c5 <0fe00000> 3860ffea
480009ac 89431aa8
[ 5.332274] ---[ end trace 3fbb08226210324a ]---
[ 5.413526] Console: switching to colour frame buffer device 240x67
[ 0.000000] Using Canyonlands machine description
[ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] Linux version 4.4.36-sam460ex-jm (root@julian-VirtualBox) (gcc version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.1) ) #1 PREEMPT Mon Dec 5 17:16:35 AST 2016
[ 0.000000] Zone ranges:
[ 0.000000] DMA [mem 0x0000000000000000-0x000000002fffffff]
[ 0.000000] Normal empty
[ 0.000000] HighMem [mem 0x0000000030000000-0x000000007fffffff]
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x0000000000000000-0x000000007fffffff]
[ 0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x000000007fffffff]
[ 0.000000] MMU: Allocated 1088 bytes of context maps for 255 contexts
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 522752
[ 0.000000] Kernel command line: root=/dev/sda6 console=ttyS0,115200 console=tty0
[ 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] Sorting __ex_table...
[ 0.000000] allocated 2097152 bytes of page_ext
[ 0.000000] Memory: 1996512K/2097152K available (8688K kernel code, 324K rwdata, 4632K rodata, 264K init, 1384K bss, 100640K reserved, 0K cma-reserved, 1310720K highmem)
[ 0.000000] Kernel virtual memory layout:
[ 0.000000] * 0xfffcf000..0xfffff000 : fixmap
[ 0.000000] * 0xffc00000..0xffe00000 : highmem PTEs
[ 0.000000] * 0xffa00000..0xffc00000 : consistent mem
[ 0.000000] * 0xffa00000..0xffa00000 : early ioremap
[ 0.000000] * 0xf1000000..0xffa00000 : vmalloc & ioremap
[ 0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[ 0.000000] Preemptible hierarchical RCU implementation.
[ 0.000000] Build-time adjustment of leaf fanout to 32.
[ 0.000000] NR_IRQS:512 nr_irqs:512 16
[ 0.000000] UIC0 (32 IRQ sources) at DCR 0xc0
[ 0.000000] UIC1 (32 IRQ sources) at DCR 0xd0
[ 0.000000] UIC2 (32 IRQ sources) at DCR 0xe0
[ 0.000000] UIC3 (32 IRQ sources) at DCR 0xf0
[ 0.000014] clocksource: timebase: mask: 0xffffffffffffffff max_cycles: 0x10a60dda894, max_idle_ns: 440795207041 ns
[ 0.000024] clocksource: timebase mult[dda520] shift[24] registered
[ 0.000148] Console: colour dummy device 80x25
[ 0.000703] console [tty0] enabled
[ 0.000736] pid_max: default: 32768 minimum: 301
[ 0.000832] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.000857] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.003048] devtmpfs: initialized
[ 0.005629] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns
[ 0.006068] xor: measuring software checksum speed
[ 0.015534] 8regs : 900.000 MB/sec
[ 0.025359] 8regs_prefetch: 800.000 MB/sec
[ 0.035390] 32regs : 1232.000 MB/sec
[ 0.045454] 32regs_prefetch: 1084.000 MB/sec
[ 0.045487] xor: using function: 32regs (1232.000 MB/sec)
[ 0.045528] prandom: seed boundary self test passed
[ 0.047572] prandom: 100 self tests passed
[ 0.048069] NET: Registered protocol family 16
[ 0.053716] cpuidle: using governor ladder
[ 0.055679] cpuidle: using governor menu
[ 0.056097] 256k L2-cache enabled
[ 0.056218] PCIE0: Checking link...
[ 0.056234] PCIE0: Device detected, waiting for link...
[ 0.056251] PCIE0: link is up !
[ 0.158379] PCI host bridge /plb/pciex@d00000000 (primary) ranges:
[ 0.158424] MEM 0x0000000e00000000..0x0000000e7fffffff -> 0x0000000080000000
[ 0.158455] MEM 0x0000000f00000000..0x0000000f000fffff -> 0x0000000000000000
[ 0.158484] IO 0x0000000f80000000..0x0000000f8000ffff -> 0x0000000000000000
[ 0.158516] 4xx PCI DMA offset set to 0x00000000
[ 0.158533] 4xx PCI DMA window base to 0x0000000000000000
[ 0.158550] DMA window size 0x0000000080000000
[ 0.158581] PCIE0: successfully set as root-complex
[ 0.158620] PCIE1: Checking link...
[ 0.158635] PCIE1: Device detected, waiting for link...
[ 0.158651] PCIE1: link is up !
[ 0.260619] PCI host bridge /plb/pciex@d20000000 (primary) ranges:
[ 0.260657] MEM 0x0000000e80000000..0x0000000effffffff -> 0x0000000080000000
[ 0.260687] MEM 0x0000000f00100000..0x0000000f001fffff -> 0x0000000000000000
[ 0.260715] IO 0x0000000f80010000..0x0000000f8001ffff -> 0x0000000000000000
[ 0.260742] 4xx PCI DMA offset set to 0x00000000
[ 0.260758] 4xx PCI DMA window base to 0x0000000000000000
[ 0.260775] DMA window size 0x0000000080000000
[ 0.260802] PCIE1: successfully set as root-complex
[ 0.260886] PCI host bridge /plb/pci@c0ec00000 (primary) ranges:
[ 0.260910] MEM 0x0000000d80000000..0x0000000dffffffff -> 0x0000000080000000
[ 0.260940] MEM 0x0000000c0ee00000..0x0000000c0eefffff -> 0x0000000000000000
[ 0.260968] IO 0x0000000c08000000..0x0000000c0800ffff -> 0x0000000000000000
[ 0.260994] 4xx PCI DMA offset set to 0x00000000
[ 0.261009] 4xx PCI DMA window base to 0x0000000000000000
[ 0.261026] DMA window size 0x0000000080000000
[ 0.270250] PCI: Probing PCI hardware
[ 0.270616] PCI host bridge to bus 0000:40
[ 0.270658] pci_bus 0000:40: root bus resource [io 0xfffc0000-0xfffcffff] (bus address [0x0000-0xffff])
[ 0.270693] pci_bus 0000:40: root bus resource [mem 0xe00000000-0xe7fffffff] (bus address [0x80000000-0xffffffff])
[ 0.270729] pci_bus 0000:40: root bus resource [mem 0xf00000000-0xf000fffff] (bus address [0x00000000-0x000fffff])
[ 0.270764] pci_bus 0000:40: root bus resource [bus 40-ff]
[ 0.270923] PCI: Hiding 4xx host bridge resources 0000:40:00.0
[ 0.273403] pci 0000:40:00.0: PCI bridge to [bus 41-7f]
[ 0.273513] pci 0000:41:00.0: bridge configuration invalid ([bus 02-02]), reconfiguring
[ 0.274193] pci 0000:41:00.0: PCI bridge to [bus 42-ff]
[ 0.274568] PCI host bridge to bus 0001:80
[ 0.274605] pci_bus 0001:80: root bus resource [io 0xfffe0000-0xfffeffff] (bus address [0x0000-0xffff])
[ 0.274640] pci_bus 0001:80: root bus resource [mem 0xe80000000-0xeffffffff] (bus address [0x80000000-0xffffffff])
[ 0.274675] pci_bus 0001:80: root bus resource [mem 0xf00100000-0xf001fffff] (bus address [0x00000000-0x000fffff])
[ 0.274709] pci_bus 0001:80: root bus resource [bus 80-ff]
[ 0.274840] PCI: Hiding 4xx host bridge resources 0001:80:00.0
[ 0.277454] pci 0001:80:00.0: PCI bridge to [bus 81-bf]
[ 0.277783] PCI host bridge to bus 0002:00
[ 0.277817] pci_bus 0002:00: root bus resource [io 0x0000-0xffff]
[ 0.277842] pci_bus 0002:00: root bus resource [mem 0xd80000000-0xdffffffff] (bus address [0x800000window [mem 0xe80000000-0xe8fffffff 64bit pref]
[ 0.279523] pci 0002:00:06.0: BAR 0: assigned [mem 0xd80000000-0xd83ffffff]
[ 0.279551] pci 0002:00:06.0: BAR 1: assigned [mem 0xd84000000-0xd841fffff]
[ 0.279576] pci 0002:00:04.0: BAR 6: assigned [mem 0xd84200000-0xd8427ffff pref]
[ 0.279607] pci 0002:00:04.0: BAR 5: assigned [mem 0xd84280000-0xd842801ff]
[ 0.279631] pci 0002:00:04.0: BAR 4: assigned [io 0x1000-0x100f]
[ 0.279654] pci 0002:00:04.0: BAR 0: assigned [io 0x1010-0x1017]
[ 0.279678] pci 0002:00:04.0: BAR 2: assigned [io 0x1018-0x101f]
[ 0.279701] pci 0002:00:04.0: BAR 1: assigned [io 0x1020-0x1023]
[ 0.279724] pci 0002:00:04.0: BAR 3: assigned [io 0x1024-0x1027]
[ 0.339221] raid6: int32x1 gen() 304 MB/s
[ 0.356243] raid6: int32x1 xor() 173 MB/s
[ 0.373294] raid6: int32x2 gen() 386 MB/s
[ 0.390312] raid6: int32x2 xor() 236 MB/s
[ 0.407401] raid6: int32x4 gen() 429 MB/s
[ 0.424534] raid6: int32x4 xor() 261 MB/s
[ 0.441599] raid6: int32x8 gen() 277 MB/s
[ 0.458612] raid6: int32x8 xor() 205 MB/s
[ 0.458634] raid6: using algorithm int32x4 gen() 429 MB/s
[ 0.458652] raid6: .... xor() 261 MB/s, rmw enabled
[ 0.458669] raid6: using intx1 recovery algorithm
[ 0.459182] vgaarb: device added: PCI:0001:81:00.0,decodes=io+mem,owns=none,locks=none
[ 0.459228] vgaarb: loaded
[ 0.459242] vgaarb: bridge control possible 0001:81:00.0
[ 0.459688] SCSI subsystem initialized
[ 0.460691] usbcore: registered new interface driver usbfs
[ 0.460808] usbcore: registered new interface driver hub
[ 0.460908] usbcore: registered new device driver usb
[ 0.461365] pps_core: LinuxPPS API ver. 1 registered
[ 0.461393] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@xxxxxxxx>
[ 0.461482] PTP clock support registered
[ 0.462302] EDAC MC: : module loaded
[ 0.655689] xz_dec_test: Create a device node with 'mknod xz_dec_test c 249 0' and write .xz files to it.
[ 0.655740] glob: 64 self-tests passed, 0 failed
[ 0.656386] genirq: Setting trigger mode 3 for irq 46 failed (uic_set_irq_type+0x0/0x18c)
[ 0.657180] pcieport 0000:40:00.0: Signaling PME through PCIe PME interrupt
[ 0.657216] pci 0000:41:00.0: Signaling PME through PCIe PME interrupt
[ 0.657238] pci 0000:42:00.0: Signaling PME through PCIe PME interrupt
[ 0.657285] pcieport 0001:80:00.0: Signaling PME through PCIe PME interrupt
[ 0.657307] pci 0001:81:00.0: Signaling PME through PCIe PME interrupt
[ 0.657328] pci 0001:81:00.1: Signaling PME through PCIe PME interrupt
[ 0.746725] Serial: 8250/16550 driver, 2 ports, IRQ sharing enabled
[ 0.748121] console [ttyS0] disabled
[ 0.768952] serial8250.0: ttyS0 at MMIO 0x4ef600300 (irq = 23, base_baud = 691200) is a U6_16550A
[ 1.956759] console [ttyS0] enabled
[ 1.981079] serial8250.0: ttyS1 at MMIO 0x4ef600400 (irq = 24, base_baud = 691200) is a U6_16550A
[ 1.991115] console [ttyS0] disabled
[ 0.000000] Using Canyonlands machine description
[ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] Linux version 4.4.36-sam460ex-jm (root@julian-VirtualBox) (gcc version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.1) ) #1 PREEMPT Mon Dec 5 17:16:35 AST 2016
[ 0.000000] Zone ranges:
[ 0.000000] DMA [mem 0x0000000000000000-0x000000002fffffff]
[ 0.000000] Normal empty
[ 0.000000] HighMem [mem 0x0000000030000000-0x000000007fffffff]
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x0000000000000000-0x000000007fffffff]
[ 0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x000000007fffffff]
[ 0.000000] MMU: Allocated 1088 bytes of context maps for 255 contexts
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 522752
[ 0.000000] Kernel command line: root=/dev/sda6 console=ttyS0,115200 console=tty0
[ 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-cachoftware checksum speed
[ 0.015534] 8regs : 900.000 MB/sec
[ 0.025359] 8regs_prefetch: 800.000 MB/sec
[ 0.035390] 32regs : 1232.000 MB/sec
[ 0.045454] 32regs_prefetch: 1084.000 MB/sec
[ 0.045487] xor: using function: 32regs (1232.000 MB/sec)
[ 0.045528] prandom: seed boundary self test passed
[ 0.047572] prandom: 100 self tests passed
[ 0.048069] NET: Registered protocol family 16
[ 0.053716] cpuidle: using governor ladder
[ 0.055679] cpuidle: using governor menu
[ 0.056097] 256k L2-cache enabled
[ 0.056218] PCIE0: Checking link...
[ 0.056234] PCIE0: Device detected, waiting for link...
[ 0.056251] PCIE0: link is up !
[ 0.158379] PCI host bridge /plb/pciex@d00000000 (primary) ranges:
[ 0.158424] MEM 0x0000000e00000000..0x0000000e7fffffff -> 0x0000000080000000
[ 0.158455] MEM 0x0000000f00000000..0x0000000f000fffff -> 0x0000000000000000
[ 0.158484] IO 0x0000000f80000000..0x0000000f8000ffff -> 0x0000000000000000
[ 0.158516] 4xx PCI DMA offset set to 0x00000000
[ 0.158533] 4xx PCI DMA window base to 0x0000000000000000
[ 0.158550] DMA window size 0x0000000080000000
[ 0.158581] PCIE0: successfully set as root-complex
[ 0.158620] PCIE1: Checking link...
[ 0.158635] PCIE1: Device detected, waiting for link...
[ 0.158651] PCIE1: link is up !
[ 0.260619] PCI host bridge /plb/pciex@d20000000 (primary) ranges:
[ 0.260657] MEM 0x0000000e80000000..0x0000000effffffff -> 0x0000000080000000
[ 0.260687] MEM 0x0000000f00100000..0x0000000f001fffff -> 0x0000000000000000
[ 0.260715] IO 0x0000000f80010000..0x0000000f8001ffff -> 0x0000000000000000
[ 0.260742] 4xx PCI DMA offset set to 0x00000
[ 0.274840] PCI: Hiding 4xx host bridge resources 0001:80:00.0
[ 0.277454] pci 0001:80:00.0: PCI bridge to [bus 81-bf]
[ 0.277783] PCI host bridge to bus 0002:00
[ 0.277817] pci_bus 0002:00: root bus resource [io 0x0000-0xffff]
[ 0.277842] pci_bus 0002:00: root bus resource [mem 0xd80000000-0xdffffffff] (bus address [0x80000000-0xffffffff])
[ 0.277877] pci_bus 0002:00: root bus resource [mem 0xc0ee00000-0xc0eefffff] (bus address [0x00000000-0x000fffff])
[ 0.277911] pci_bus 0002:00: root bus resource [bus 00-ff]
[ 0.278790] pci 0000:40:00.0: BAR 13: assigned [io 0xfffc1000-0xfffc1fff]
[ 0.278832] pci 0000:41:00.0: BAR 13: assigned [io 0xfffc1000-0xfffc1fff]
[ 0.278857] pci 0000:42:00.0: BAR 1: assigned [io 0xfffc1000-0xfffc107f]
[ 0.278885] pci 0000:42:00.0: BAR 0: assigned [io 0xfffc1080-0xfffc109f]
[ 0.278911] pci 0000:41:00.0: PCI bridge to [bus 42]
[ 0.278934] pci 0000:41:00.0: bridge window [io 0xfffc1000-0xfffc1fff]
[ 0.278964] pci 0000:40:00.0: PCI bridge to [bus 41-7f]
[ 0.278985] pci 0000:40:00.0: bridge window [io 0xfffc1000-0xfffc1fff]
[ 0.279072] pci 0001:80:00.0: BAR 15: assigned [mem 0xe80000000-0xe8fffffff 64bit pref]
[ 0.279103] pci 0001:80:00.0: BAR 14: assigned [mem 0xe90000000-0xe900fffff]
[ 0.279127] pci 0001:80:00.0: BAR 13: assigned [io 0xfffe1000-0xfffe1fff]
[ 0.279155] pci 0001:81:00.0: BAR 0: assigned [mem 0xe80000000-0xe8fffffff 64bit pref]
[ 0.279192] pci 0001:81:00.0: BAR 2: assigned [mem 0xe90000000-0xe9003ffff 64bit]
[ 0.279228] pci 0001:81:00.0: BAR 6: assigned [mem 0xe90040000-0xe9005ffff pref]
[ 0.279260] pci 0001:81:00.1: BAR 0: assigned [mem 0xe90060000-0xe90063fff 64bit]
[ 0.279296] pci 0001:81:00.0: BAR 4: assigned [io 0xfffe1000-0xfffe10ff]
[ 0.480780] TCP: Hash tables configured (established 8192 bind 8192)
[ 0.480895] UDP hash table entries: 512 (order: 1, 8192 bytes)
[ 0.480936] UDP-Lite hash table entries: 512 (order: 1, 8192 bytes)
[ 0.481127] NET: Registered protocol family 1
[ 0.481385] RPC: Registered named UNIX socket transport module.
[ 0.481414] RPC: Registered udp transport module.
[ 0.481430] RPC: Registered tcp transport module.
[ 0.481447] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 0.482465] Could not remap bcsr
[ 0.484212] dw_dmac 4bffd0800.dma: DesignWare DMA Controller, 1 channels
[ 0.488140] genirq: Setting trigger mode 3 for irq 46 failed (uic_set_irq_type+0x0/0x18c)
[ 0.490377] futex hash table entries: 256 (order: -1, 3072 bytes)
[ 0.502415] zbud: loaded
[ 0.505034] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[ 0.507070] ntfs: driver 2.1.32 [Flags: R/W].
[ 0.507648] fuse init (API version 7.23)
[ 0.512436] async_tx: api initialized (async)
[ 0.512609] bounce: pool size: 64 pages
[ 0.512711] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 250)
[ 0.512751] io scheduler noop registered
[ 0.512771] io scheduler deadline registered
[ 0.512922] io scheduler cfq registered (default)
[ 0.515207] crc32: CRC_LE_BITS = 64, CRC_BE BITS = 64
[ 0.515237] crc32: self tests passed, processed 225944 bytes in 989756 nsec
[ 0.516303] crc32c: CRC_LE_BITS = 64
[ 0.516322] crc32c: self tests passed, processed 225944 bytes in 494977 nsec
[ 0.585771] crc32_combine: 8373 self tests passed
[ 0.655432] crc32c_combine: 8373 sel[ 3.591140] ATOM BIOS: C44501
[ 3.594414] radeon 0001:81:00.0: VRAM: 1024M 0x0000000000000000 - 0x000000003FFFFFFF (1024M used)
[ 3.603335] radeon 0001:81:00.0: GTT: 2048M 0x0000000040000000 - 0x00000000BFFFFFFF
[ 3.611019] [drm] Detected VRAM RAM=1024M, BAR=256M
[ 3.615912] [drm] RAM width 128bits DDR
[ 3.619921] [TTM] Zone kernel: Available graphics memory: 376382 kiB
[ 3.626404] [TTM] Zone highmem: Available graphics memory: 1031742 kiB
[ 3.632953] [TTM] Initializing pool allocator
[ 3.637344] [TTM] Initializing DMA pool allocator
[ 3.642149] [drm] radeon: 1024M of VRAM memory ready
[ 3.647148] [drm] radeon: 2048M of GTT memory ready.
[ 3.652155] [drm] Loading verde Microcode
[ 3.656210] [drm] Internal thermal controller with fan control
[ 3.662351] [drm] probing gen 2 caps for device aaa1:bed1 = 18cc41/0
[ 3.711034] [drm] radeon: dpm initialized
[ 3.717551] [drm] Found VCE firmware/feedback version 50.0.1 / 17!
[ 3.723796] [drm] GART: num cpu pages 524288, num gpu pages 524288
[ 3.740303] [drm] probing gen 2 caps for device aaa1:bed1 = 18cc41/0
[ 3.803455] [drm] PCIE GART of 2048M enabled (table at 0x00000000002E8000).
[ 3.810753] radeon 0001:81:00.0: WB enabled
[ 3.814977] radeon 0001:81:00.0: fence driver on ring 0 use gpu addr 0x0000000040000c00 and cpu addr 0xffc01c00
[ 3.825101] radeon 0001:81:00.0: fence driver on ring 1 use gpu addr 0x0000000040000c04 and cpu addr 0xffc01c04
[ 3.835222] radeon 0001:81:00.0: fence driver on ring 2 use gpu addr 0x0000000040000c08 and cpu addr 0xffc01c08
[ 3.845344] radeon 0001:81:00.0: fence driver on ring 3 use gpu addr 0x0000000040000c0c and cpu addr 0xffc01c0c
[ 3.855465] radeon 0001:81:00.0: fence driver on ring 4 use gpu addr 0x0000000040000c10 and cpu addr 0xffc01c10
[ 3.896862] radeon 0001:81:00.0: fence driver on ring 5 use gpu addr 0x0000000000075a18 and cpu addr 0xf91b5a18
[ 3.933970] radeon 0001:81:00.0: fence driver on ring 6 use gpu addr 0x0000000040000c18 and cpu addr 0xffc01c18
[ 3.944145] radeon 0001:81:00.0: fence driver on ring 7 use gpu addr 0x0000000040000c1c and cpu addr 0xffc01c1c
[ 3.954268] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[ 3.960903] [drm] Driver supports precise vblank timestamp query.
[ 3.967017] radeon 0001:81:00.0: radeon: MSI limited to 32-bit
[ 3.972882] ppc4xx_setup_msi_irqs: fail allocating msi interrupt
[ 3.978957] [drm] radeon: irq initialized.
[ 4.733843] [drm:r600_ring_test] *ERROR* radeon: ring 0 test failed (scratch(0x850C)=0xCAFEDEAD)
[ 4.742686] radeon 0001:81:00.0: disabling GPU acceleration
[ 4.949998] [drm] Radeon Display Connectors
[ 4.954476] [drm] Connector 0:
[ 4.957638] [drm] HDMI-A-1
[ 4.960589] [drm] HPD4
[ 4.963169] [drm] DDC: 0x6570 0x6570 0x6574 0x6574 0x6578 0x6578 0x657c 0x657c
[ 4.970611] [drm] Encoders:
[ 4.973603] [drm] DFP1: INTERNAL_UNIPHY2
[ 4.977892] [drm] Connector 1:
[ 4.980963] [drm] DVI-I-1
[ 4.983767] [drm] HPD2
[ 4.986314] [drm] DDC: 0x6560 0x6560 0x6564 0x6564 0x6568 0x6568 0x656c 0x656c
[ 4.993732] [drm] Encoders:
[ 4.996710] [drm] DFP2: INTERNAL_UNIPHY
[ 5.000911] [drm] CRT1: INTERNAL_KLDSCP_DAC1
[ 5.119168] [drm] fb mappable at 0x806E9000
[ 5.123387] [drm] vram apper at 0x80000000
[ 5.127500] [drm] size 8294400
[ 5.130563] [drm] fb depth is 24
[ 5.133801] [drm] pitch is 7680
[ 5.331666] Can't enable IRQ/MSI because no handler is installed
[ 5.331842] ------------[ cut here ]------------
[ 5.331847] WARNING: at c048a53c [verbose debug info unavailable]
[ 5.331851] Modules linked in:
[ 5.331859] CPU: 0 PID: 1 Comm: swapper Not tainted 4.4.36-sam460ex-jm #1
[ 5.331864] task: ea848000 ti: ea84c000 task.ti: ea84c000
[ 5.331867] NIP: c048a53c LR: c048a53c CTR: 00000000
[ 5.331870] REGS: ea84d6e0 TRAP: 0700 Not tainted (4.4.36-sam460ex-jm)
[ 5.331879] MSR: 00029000 <CE,EE,ME> CR: 24008222 XER: 00000000
[ 5.331914]
[ 5.331914] GPR00: c048a53c ea84d790 ea848000 00000034 00000000 00000000 c0ea7a2c 00000000
[ 5.331914] GPR08: 00029000 00000800 ea84c000 ea84d790 24008222 00000000 eaa8096c 00000001
[ 5.331914] GPR16: eaacd9d4 c08e6c20 00000000 00000000 c0c678d7 00000000 c0da0000 ea982048
[ 5.331914] GPR24: c08f24c0 ea982108 eaa80984 ea9d4d80 eaa80800 eaa80800 eabdc000 ea982000
[ 5.331932] NIP [c048a53c] si_irq_set+0x28/0x9e4
[ 5.331937] LR [c048a53c] si_irq_set+0x28/0x9e4
[ 5.331938] Call Trace:
[ 5.331945] [ea84d790] [c048a53c] si_irq_set+0x28/0x9e4 (unreliable)
[ 5.331958] [ea84d7f0] [c0409b20] atombios_crtc_dpms+0x8c/0x104
[ 5.331964] [ea84d810] [c0409bb4] atombios_crtc_commit+0x1c/0x38
[ 5.331972] [ea84d820] [c03c9d90] drm_crtc_helper_set_mode+0x36c/0x410
[ 5.331978] [ea84d9f0] [c03ca628] drm_crtc_helper_set_config+0x6dc/0x934
[ 5.331991] [ea84da60] [c0423a70] radeon_crtc_set_config+0x50/0xf8
[ 5.332007] [ea84da80] [c03e47b0] drm_mode_set_config_internal+0x5c/0xe0
[ 5.332021] [ea84daa0] [c03d4704] restore_fbdev_mode+0x20c/0x25c
[ 5.332030] [ea84dad0] [c03d61ec] drm_fb_helper_restore_fbdev_mode_unlocked+0x40/0x8c
[ 5.332036] [ea84daf0] [c03d6284] drm_fb_helper_set_par+0x4c/0x60
[ 5.332047] [ea84db00] [c0388144] fbcon_init+0x318/0x410
[ 5.332056] [ea84db50] [c03b3024] visual_init+0xac/0xf8
[ 5.332063] [ea84db60] [c03b487c] do_bind_con_driver+0x1e8/0x2d8
[ 5.332070] [ea84dbb0] [c03b4cd0] do_take_over_console+0x19c/0x1ac
[ 5.332075] [ea84dbe0] [c03878bc] do_fbcon_takeover+0x80/0xe4
[ 5.332087] [ea84dbf0] [c003c3fc] notifier_call_chain+0x60/0x94
[ 5.332094] [ea84dc10] [c003c71c] __blocking_notifier_call_chain+0x50/0x68
[ 5.332104] [ea84dc30] [c038f3a8] register_framebuffer+0x248/0x26c
[ 5.332111] [ea84dc90] [c03d65b4] drm_fb_helper_initial_config+0x31c/0x39c
[ 5.332120] [ea84dcd0] [c042bc78] radeon_fbdev_init+0xcc/0xf8
[ 5.332126] [ea84dcf0] [c0425dd0] radeon_modeset_init+0x5a8/0x938
[ 5.332132] [ea84dd50] [c040316c] radeon_driver_load_kms+0xcc/0x184
[ 5.332138] [ea84dd70] [c03df0b8] drm_dev_register+0x84/0xc8
[ 5.332144] [ea84dd90] [c03e0e78] drm_get_pci_dev+0xf4/0x18c
[ 5.332156] [ea84ddb0] [c03719e4] pci_device_probe+0x88/0xe8
[ 5.332164] [ea84ddd0] [c05436f4] driver_probe_device+0x130/0x290
[ 5.332170] [ea84de00] [c05438cc] __driver_attach+0x78/0xa0
[ 5.332188] [ea84de20] [c0541bec] bus_for_each_dev+0x90/0xa0
[ 5.332193] [ea84de50] [c0542dc8] bus_add_driver+0xe0/0x1f0
[ 5.332199] [ea84de70] [c054400c] driver_register+0xb4/0xf8
[ 5.332207] [ea84de90] [c00016f8] do_one_initcall+0x11c/0x1a0
[ 5.332214] [ea84df00] [c0d08acc] kernel_init_freeable+0x130/0x1cc
[ 5.332220] [ea84df30] [c0001cf4] kernel_init+0x14/0xf8
[ 5.332228] [ea84df40] [c000ade4] ret_from_kernel_thread+0x5c/0x64
[ 5.332230] Instruction dump:
[ 5.332241] 7c0803a6 4bb7c1ec 9421ffa0 7c0802a6 bdc10018 90010064 894313d0 2f8a0000
[ 5.332251] 40be001c 3c60c0c7 38631c16 483ea6c5 <0fe00000> 3860ffea 480009ac 89431aa8
[ 5.332274] ---[ end trace 3fbb08226210324a ]---
[ 5.413526] Console: switching to colour frame buffer device 240x67
[ 6.090501] radeon 0001:81:00.0: fb0: radeondrmfb frame buffer device
[ 6.113604] [drm] Initialized radeon 2.43.0 20080528 for 0001:81:00.0 on minor 0
[ 6.136060] [drm] amdgpu kernel modesetting enabled.
[ 6.167945] brd: module loaded
[ 6.192151] loop: module loaded
[ 6.210831] sm501 0002:00:06.0: enabling device (0004 -> 0006)
[ 6.231917] sm501 0002:00:06.0: SM501 At faa00000: Version 050100c0, 64 Mb, IRQ 22
[ 6.254626] sm501 0002:00:06.0: setting M1XCLK to 144000000
[ 6.291551] sm501 0002:00:06.0: setting MCLK to 72000000
[ 6.362686] serial8250 serial8250.9: unable to register port at index 0 (IO0 MEMd84030000 IRQ22): -28
[ 6.387170] serial8250 serial8250.9: unable to register port at index 1 (IO0 MEMd84030020 IRQ22): -28
[ 7.937963] sm501-fb sm501-fb.80: fb sm501fb-crt disabled at start
[ 7.959204] sm501-fb sm501-fb.80: using mode default mode
[ 7.979733] sm501-fb sm501-fb.80: fb1: sm501fb-crt frame buffer
[ 8.000430] sm501-fb sm501-fb.80: fb sm501fb-panel enabled at start
[ 8.021371] sm501-fb sm501-fb.80: using mode default mode
[ 8.041426] sm501-fb sm501-fb.80: fb2: sm501fb-panel frame buffer
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