NULL pointer dereference with kernel 6.12.0-rc1 and ARUBA GPU

[ 13.069630] [drm] radeon kernel modesetting enabled. [ 13.069681] radeon :00:01.0: vgaarb: deactivate vga console [ 13.070435] Console: switching to colour dummy device 80x25 [ 13.070632] [drm] initializing kernel modesetting (ARUBA 0x1002:0x990C 0x1002:0x0123 0x00). [ 13.070718] AT

NULL pointer dereference after ib test on ring 7 succeeded

After rebuilding current Linus git head with: dma-mapping: report unlimited DMA addressing in IOMMU DMA path b348b6d17fd1d5d89b86db602f02bea54a754bd8 applied, the radeon module load gets further before hitting another NULL pointer dereference: [ 17.777472] [drm] radeon kernel modesetting enabl

radeon ARUBA NULL pointer dereference

bcore libphy usb_common [ 17.220388] CR2: 00a0 [ 17.220390] ---[ end trace ]--- Happy to provide additional information and run tests. Regards, Arthur Marsh.

drm/radeon: remove load callback from kms_driver

back, we have to manually call "radeon_driver_load_kms" instead. This machine reports having: AMD A10-6800K APU with Radeon HD Graphics with the gpu appearing as Advanced Micro Devices [AMD/ATI] Richland [Radeon HD 8670D] 1002:990c Regards, Arthur Marsh.

Re: [git pull] drm fixes for 6.1-rc1

exit the loop if there are no blocks to compare. >May be that's why the function returns false. > >@Arthur Marsh Could you please test the attached patch. > >Thanks, >Arun > >On 10/17/2022 1:39 PM, Christian König wrote: >> Am 17.10.22 um 10:01 schrieb Dave Airlie:

Re: [git pull] drm fixes for 6.1-rc1

Thanks Dave, I reverted patch 312b4dc11d4f74bfe03ea25ffe04c1f2fdd13cb9 against 6.1-rc1 and the resulting kernel loaded amdgpu fine on my pc with Cape Verde GPU. Regards, Arthur. On 17 October 2022 8:14:18 am ACDT, Dave Airlie wrote: >On Sun, 16 Oct 2022 at 18:09, Arthur Marsh >

Re: [git pull] drm fixes for 6.1-rc1

From: Arthur Marsh Hi, the "drm fixes for 6.1-rc1" commit caused the amdgpu module to fail with my Cape Verde radeonsi card. I haven't been able to bisect the problem to an individual commit, but attach a dmesg extract below. I'm happy to supply any other configuration

Re: [PATCH] drm/amdgpu: use dirty framebuffer helper

Thanks, the patch applied against 6.0-rc6 kernel worked and the amdgpu module loaded and works on my Radeon R7 250 (Cape Verde) GPU. Arthur Marsh. On 20 September 2022 2:03:54 am ACST, Alex Deucher wrote: >On Sun, Sep 18, 2022 at 8:09 AM root wrote: >> >> Hi, I recently exper

Re: drm/amdgpu: use dirty framebuffer helper

CR0: 80050033 [ 458.936342] CR2: 0010 CR3: 00012337c000 CR4: 06e0 [ 458.957983] amdgpu :01:00.0: [drm] fb0: amdgpudrmfb frame buffer device Regards, Arthur Marsh.