On Thu, Dec 29, 2022 at 12:58 AM Diogo Ivo <diogo.ivo@xxxxxxxxxxxxxxxxxx> wrote: > > Hello, > > Commit 2541626cfb79 breaks GM20B probe with > the following kernel log: > > [ 2.153892] ------------[ cut here ]------------ > [ 2.153897] WARNING: CPU: 1 PID: 36 at drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgf100.c:273 gf100_vmm_valid+0x2c4/0x390 > [ 2.153916] Modules linked in: > [ 2.153922] CPU: 1 PID: 36 Comm: kworker/u8:1 Not tainted 6.1.0+ #1 > [ 2.153929] Hardware name: Google Pixel C (DT) > [ 2.153933] Workqueue: events_unbound deferred_probe_work_func > [ 2.153943] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) > [ 2.153950] pc : gf100_vmm_valid+0x2c4/0x390 > [ 2.153959] lr : gf100_vmm_valid+0xb4/0x390 > [ 2.153966] sp : ffffffc009e134b0 > [ 2.153969] x29: ffffffc009e134b0 x28: 0000000000000000 x27: ffffffc008fd44c8 > [ 2.153979] x26: 00000000ffffffea x25: ffffffc0087b98d0 x24: ffffff8080f89038 > [ 2.153987] x23: ffffff8081fadc08 x22: 0000000000000000 x21: 0000000000000000 > [ 2.153995] x20: ffffff8080f8a000 x19: ffffffc009e13678 x18: 0000000000000000 > [ 2.154003] x17: f37a8b93418958e6 x16: ffffffc009f0d000 x15: 0000000000000000 > [ 2.154011] x14: 0000000000000002 x13: 000000000003a020 x12: ffffffc008000000 > [ 2.154019] x11: 0000000102913000 x10: 0000000000000000 x9 : 0000000000000000 > [ 2.154026] x8 : ffffffc009e136d8 x7 : ffffffc008fd44c8 x6 : ffffff80803d0f00 > [ 2.154034] x5 : 0000000000000000 x4 : ffffff8080f88c00 x3 : 0000000000000010 > [ 2.154041] x2 : 000000000000000c x1 : 00000000ffffffea x0 : 00000000ffffffea > [ 2.154050] Call trace: > [ 2.154053] gf100_vmm_valid+0x2c4/0x390 > [ 2.154061] nvkm_vmm_map_valid+0xd4/0x204 > [ 2.154069] nvkm_vmm_map_locked+0xa4/0x344 > [ 2.154076] nvkm_vmm_map+0x50/0x84 > [ 2.154083] nvkm_firmware_mem_map+0x84/0xc4 > [ 2.154094] nvkm_falcon_fw_oneinit+0xc8/0x320 > [ 2.154101] nvkm_acr_oneinit+0x428/0x5b0 > [ 2.154109] nvkm_subdev_oneinit_+0x50/0x104 > [ 2.154114] nvkm_subdev_init_+0x3c/0x12c > [ 2.154119] nvkm_subdev_init+0x60/0xa0 > [ 2.154125] nvkm_device_init+0x14c/0x2a0 > [ 2.154133] nvkm_udevice_init+0x60/0x9c > [ 2.154140] nvkm_object_init+0x48/0x1b0 > [ 2.154144] nvkm_ioctl_new+0x168/0x254 > [ 2.154149] nvkm_ioctl+0xd0/0x220 > [ 2.154153] nvkm_client_ioctl+0x10/0x1c > [ 2.154162] nvif_object_ctor+0xf4/0x22c > [ 2.154168] nvif_device_ctor+0x28/0x70 > [ 2.154174] nouveau_cli_init+0x150/0x590 > [ 2.154180] nouveau_drm_device_init+0x60/0x2a0 > [ 2.154187] nouveau_platform_device_create+0x90/0xd0 > [ 2.154193] nouveau_platform_probe+0x3c/0x9c > [ 2.154200] platform_probe+0x68/0xc0 > [ 2.154207] really_probe+0xbc/0x2dc > [ 2.154211] __driver_probe_device+0x78/0xe0 > [ 2.154216] driver_probe_device+0xd8/0x160 > [ 2.154221] __device_attach_driver+0xb8/0x134 > [ 2.154226] bus_for_each_drv+0x78/0xd0 > [ 2.154230] __device_attach+0x9c/0x1a0 > [ 2.154234] device_initial_probe+0x14/0x20 > [ 2.154239] bus_probe_device+0x98/0xa0 > [ 2.154243] deferred_probe_work_func+0x88/0xc0 > [ 2.154247] process_one_work+0x204/0x40c > [ 2.154256] worker_thread+0x230/0x450 > [ 2.154261] kthread+0xc8/0xcc > [ 2.154266] ret_from_fork+0x10/0x20 > [ 2.154273] ---[ end trace 0000000000000000 ]--- > [ 2.154278] nouveau 57000000.gpu: pmu: map -22 > [ 2.154285] nouveau 57000000.gpu: acr: one-time init failed, -22 > [ 2.154559] nouveau 57000000.gpu: init failed with -22 > [ 2.154564] nouveau: DRM-master:00000000:00000080: init failed with -22 > [ 2.154574] nouveau 57000000.gpu: DRM-master: Device allocation failed: -22 > [ 2.162905] nouveau: probe of 57000000.gpu failed with error -22 > > #regzbot introduced: 2541626cfb79 As a quick check can you try changing drivers/gpu/drm/nouveau/nvkm/core/firmware.c:nvkm_firmware_mem_target from NVKM_MEM_TARGET_HOST to NVKM_MEM_TARGET_NCOH ? Dave. > > Thanks, > > Diogo Ivo >
