I booted up drm-next to test my ttm rework, but hey drm-next oops on startup without it.
Probably need to get that fixed, haven't bisected yet.
Dave.
[ 2.689057] [drm] DMA map mode: Caching DMA mappings. [ 2.689151] [drm] Capabilities: [ 2.689151] [drm] Rect copy. [ 2.689151] [drm] Cursor. [ 2.689152] [drm] Cursor bypass. [ 2.689152] [drm] Cursor bypass 2. [ 2.689152] [drm] 8bit emulation. [ 2.689152] [drm] Alpha cursor. [ 2.689152] [drm] 3D. [ 2.689152] [drm] Extended Fifo. [ 2.689152] [drm] Multimon. [ 2.689153] [drm] Pitchlock. [ 2.689153] [drm] Irq mask. [ 2.689153] [drm] Display Topology. [ 2.689153] [drm] GMR. [ 2.689153] [drm] Traces. [ 2.689153] [drm] GMR2. [ 2.689153] [drm] Screen Object 2. [ 2.689154] [drm] Command Buffers. [ 2.689154] [drm] Command Buffers 2. [ 2.689154] [drm] Guest Backed Resources. [ 2.689154] [drm] DX Features. [ 2.689154] [drm] HP Command Queue. [ 2.689154] [drm] Capabilities2: [ 2.689154] [drm] Grow oTable. [ 2.689154] [drm] IntraSurface copy. [ 2.689155] [drm] Max GMR ids is 64 [ 2.689155] [drm] Max number of GMR pages is 65536 [ 2.689156] [drm] Max dedicated hypervisor surface memory is 0 kiB [ 2.689156] [drm] Maximum display memory size is 262144 kiB [ 2.689156] [drm] VRAM at 0xe8000000 size is 131072 kiB [ 2.689157] [drm] MMIO at 0xfe000000 size is 256 kiB [ 2.706367] [TTM] Zone kernel: Available graphics memory: 1001350 KiB [ 2.706368] [TTM] Initializing pool allocator [ 2.706371] [TTM] Initializing DMA pool allocator [ 2.776377] BUG: kernel NULL pointer dereference, address: 0000000000000190 [ 2.776491] #PF: supervisor read access in kernel mode [ 2.776537] #PF: error_code(0x0000) - not-present page [ 2.776583] PGD 0 P4D 0 [ 2.776612] Oops: 0000 [#1] SMP NOPTI [ 2.776649] CPU: 0 PID: 333 Comm: systemd-udevd Not tainted 5.8.0-rc6+ #3 [ 2.776707] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/29/2019 [ 2.776804] RIP: 0010:drm_dev_has_vblank+0x5/0x20 [drm] [ 2.776852] Code: d0 0f 85 18 ff ff ff e9 2f ff ff ff 89 f1 89 e8 45 31 ff d3 e0 89 c1 e9 fa fe ff ff 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 <8b> 87 90 01 00 00 85 c0 0f 95 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 [ 2.776995] RSP: 0000:ffffa9904078fb08 EFLAGS: 00010286 [ 2.777042] RAX: ffff8f0af2f02e00 RBX: ffff8f0af1ce3000 RCX: 0000000000000000 [ 2.777102] RDX: 0000000000000000 RSI: ffff8f0af2f02e00 RDI: 0000000000000000 [ 2.777162] RBP: ffff8f0af2f02e00 R08: ffff8f0b3be2f140 R09: 0000000000000000 [ 2.777223] R10: ffff8f0af2f02e00 R11: 3432524134325258 R12: 0000000000000000 [ 2.777283] R13: ffff8f0af1ce7000 R14: ffff8f0af1ce3000 R15: 0000000000000000 [ 2.777423] FS: 00007f2029cd0b80(0000) GS:ffff8f0b3be00000(0000) knlGS:0000000000000000 [ 2.777491] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.777542] CR2: 0000000000000190 CR3: 0000000032c76003 CR4: 00000000003606f0 [ 2.777615] Call Trace: [ 2.777650] __drm_atomic_helper_crtc_reset+0x1e/0x40 [drm_kms_helper] [ 2.777716] vmw_kms_stdu_init_display+0x19a/0x380 [vmwgfx] [ 2.777790] vmw_kms_init+0x6e/0xc0 [vmwgfx] [ 2.777848] vmw_probe.cold+0xb58/0xd89 [vmwgfx] [ 2.777908] local_pci_probe+0x42/0x80 [ 2.777954] ? _cond_resched+0x16/0x40 [ 2.777998] pci_device_probe+0xd9/0x190 [ 2.778045] really_probe+0x167/0x410 [ 2.778089] driver_probe_device+0xe1/0x150 [ 2.778136] device_driver_attach+0xa1/0xb0 [ 2.778184] __driver_attach+0x8a/0x150 [ 2.778229] ? device_driver_attach+0xb0/0xb0 [ 2.778277] ? device_driver_attach+0xb0/0xb0 [ 2.778365] bus_for_each_dev+0x64/0x90 [ 2.778446] bus_add_driver+0x12b/0x1e0 [ 2.778492] driver_register+0x8b/0xe0 [ 2.778536] ? 0xffffffffc0224000 [ 2.778582] vmwgfx_init+0x30/0x1000 [vmwgfx] [ 2.778632] do_one_initcall+0x46/0x200 [ 2.778677] ? _cond_resched+0x16/0x40 [ 2.778722] ? kmem_cache_alloc_trace+0x167/0x220 [ 2.778773] ? do_init_module+0x23/0x250 [ 2.778818] do_init_module+0x5c/0x250 [ 2.778863] __do_sys_finit_module+0x93/0xe0 [ 2.778912] do_syscall_64+0x52/0x90 [ 2.778955] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 2.779009] RIP: 0033:0x7f202adf237d [ 2.779051] Code: Bad RIP value. [ 2.779092] RSP: 002b:00007ffca5b88dc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 2.779171] RAX: ffffffffffffffda RBX: 000055b67ff12410 RCX: 00007f202adf237d [ 2.779239] RDX: 0000000000000000 RSI: 00007f202aa5195d RDI: 000000000000000f [ 2.779316] RBP: 0000000000020000 R08: 0000000000000000 R09: 000055b67ff125e0 [ 2.779446] R10: 000000000000000f R11: 0000000000000246 R12: 0000000000000000 [ 2.779514] R13: 00007f202aa5195d R14: 000055b67ff07570 R15: 000055b67ff04600 [ 2.779582] Modules linked in: vmwgfx(+) drm_kms_helper ttm drm crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel mptspi e1000(+) scsi_transport_spi serio_raw mptscsih mptbase ata_generic pata_acpi fuse [ 2.779753] CR2: 0000000000000190 [ 2.779794] ---[ end trace 5b38cb2d953a1310 ]--- [ 2.779851] RIP: 0010:drm_dev_has_vblank+0x5/0x20 [drm] [ 2.779907] Code: d0 0f 85 18 ff ff ff e9 2f ff ff ff 89 f1 89 e8 45 31 ff d3 e0 89 c1 e9 fa fe ff ff 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 <8b> 87 90 01 00 00 85 c0 0f 95 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 [ 2.780072] RSP: 0000:ffffa9904078fb08 EFLAGS: 00010286 [ 2.780126] RAX: ffff8f0af2f02e00 RBX: ffff8f0af1ce3000 RCX: 0000000000000000 [ 2.780194] RDX: 0000000000000000 RSI: ffff8f0af2f02e00 RDI: 0000000000000000 [ 2.780262] RBP: ffff8f0af2f02e00 R08: ffff8f0b3be2f140 R09: 0000000000000000 [ 2.780367] R10: ffff8f0af2f02e00 R11: 3432524134325258 R12: 0000000000000000 [ 2.780452] R13: ffff8f0af1ce7000 R14: ffff8f0af1ce3000 R15: 0000000000000000 [ 2.780520] FS: 00007f2029cd0b80(0000) GS:ffff8f0b3be00000(0000) knlGS:0000000000000000 [ 2.780602] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.780660] CR2: 0000000000000190 CR3: 0000000032c76003 CR4: 00000000003606f0