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pci 0000:00:00.0: bridge window [mem 0x01100000-0x011fffff] imx-drm display-subsystem: bound 120000.hdmi (ops dw_hdmi_imx_ops) imx-drm display-subsystem: bound ldb (ops imx_ldb_ops) [drm] Initialized imx-drm 1.0.0 20120507 for display-subsystem on minor 0 8<--- cut here --- Unable to handle kernel NULL pointer dereference at virtual address 00000008 pgd = (ptrval) 8<--- cut here --- [00000008] *pgd=00000000 Unable to handle kernel NULL pointer dereference at virtual address 0000000c Internal error: Oops: 5 [#1] PREEMPT SMP ARM pgd = (ptrval) Modules linked in: [0000000c] *pgd=00000000 CPU: 3 PID: 93 Comm: kworker/3:1 Not tainted 5.4.102-ts+imx-2.3.0-arc-proteus-g3c8d87d33dba-dirty #6 Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) Workqueue: events output_poll_execute PC is at drm_kms_helper_hotplug_event+0x10/0x30 LR is at 0xda0c2000 pc : [<80570428>] lr : [<da0c2000>] psr: 60000013 sp : da0a1ed8 ip : 0000019b fp : ffffe000 r10: 00000000 r9 : da09f000 r8 : 00000001 r7 : 00000001 r6 : 00000000 r5 : da09f1f0 r4 : da09f000 r3 : 00000000 r2 : 4a9647d2 r1 : 59fb9000 r0 : 00000000 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none Control: 10c5387d Table: 1000404a DAC: 00000051 Process kworker/3:1 (pid: 93, stack limit = 0x(ptrval)) Stack: (0xda0a1ed8 to 0xda0a2000) 1ec0: da0a0000 80570624 1ee0: 00000000 da0a1f10 da09f0dc 80b02be4 da0a1f3c 80a756ec da070000 4a9647d2 1f00: 80570474 da09f1f0 dab6b000 daf30e00 daf33f00 00000000 000000c0 00000000 1f20: ffffe000 801473b8 00000008 81003d00 dab6b000 dab6b014 daf30e00 00000008 1f40: 81003d00 daf30e18 daf30e00 80147650 60000013 8106baab 80d8a248 80a7a680 1f60: da0672dc da0672c0 dab6a100 da0a0000 00000000 dab6b000 8014760c da8f1ea4 1f80: da0672dc 8014ca34 00000000 dab6a100 8014c8c0 00000000 00000000 00000000 1fa0: 00000000 00000000 00000000 801010e8 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000 [<80570428>] (drm_kms_helper_hotplug_event) from [<80570624>] (output_poll_execute+0x1b0/0x1c4) [<80570624>] (output_poll_execute) from [<801473b8>] (process_one_work+0x204/0x458) [<801473b8>] (process_one_work) from [<80147650>] (worker_thread+0x44/0x598) [<80147650>] (worker_thread) from [<8014ca34>] (kthread+0x174/0x18c) [<8014ca34>] (kthread) from [<801010e8>] (ret_from_fork+0x14/0x2c)