Re: [PATCH 4/4] drm/amdgpu: used cached gca values for vi_read_register

[Andy Furniss <adf.lists-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

StDenis, Tom wrote:
> Actually NAK that, I don't have the cache patch internally.  So my Tonga crash is something else.

Yes, seems the boot fail starts with the tip commit =

drm/amdgpu: move align_mask and nop into ring funcs as well
They are constant as well.

Will also reply to that patch.

>
>
> Tom
>
>
> ________________________________
> From: amd-gfx <amd-gfx-bounces@lists.freedesktop.org> on behalf of StDenis, Tom <Tom.StDenis@amd.com>
> Sent: Tuesday, October 11, 2016 08:11
> To: Andy Furniss; amd-gfx@lists.freedesktop.org
> Cc: Deucher, Alexander
> Subject: Re: [PATCH 4/4] drm/amdgpu: used cached gca values for vi_read_register
>
>
> Yup, my Tonga system dies on modprobe with the tip of stg-4.7 this morning.
>
>
> Tom
>
>
> ________________________________
> From: amd-gfx <amd-gfx-bounces@lists.freedesktop.org> on behalf of Andy Furniss <adf.lists@gmail.com>
> Sent: Tuesday, October 11, 2016 08:07
> To: Alex Deucher; amd-gfx@lists.freedesktop.org
> Cc: Deucher, Alexander
> Subject: Re: [PATCH 4/4] drm/amdgpu: used cached gca values for vi_read_register
>
> Alex Deucher wrote:
>> Using the cached values has less latency for bare metal and SR-IOV,
>> and prevents reading back bogus values if the engine is powergated.
>
> I can't startx since this on r9285.
>
> Seems there are further issues later in current 4.9-wip = I die on
> driver load, will see if that's related or one of Christians patches later.
>
> Also anyone on list have shutdown/reboot issues - I can't for the past
> few 4.9-wips (I did tag on to someone elses bug, but that's gone quiet).
>
> One thing at a time this commit for me, boots into fbcon OK but then
> segfaults -
>
> [    19.694] (II) AIGLX: Loaded and initialized radeonsi
> [    19.694] (II) GLX: Initialized DRI2 GL provider for screen 0
> [    19.694] (EE)
> [    19.694] (EE) Backtrace:
> [    19.717] (EE) 0: /usr/libexec/Xorg (OsSigHandler+0x29) [0x5853b9]
> [    19.726] (EE) 1: /lib/libc.so.6 (killpg+0x40) [0x7f97e86cb68f]
> [    19.756] (EE) 2: /usr/lib/dri/radeonsi_dri.so
> (amdgpu_surface_init+0x486) [0x7f97e1a40746]
> [    19.757] (EE) 3: /usr/lib/dri/radeonsi_dri.so
> (r600_texture_create_object+0xd7) [0x7f97e1a5dfe7]
> [    19.759] (EE) 4: /usr/lib/dri/radeonsi_dri.so
> (r600_texture_create+0x75) [0x7f97e1a5ea15]
> [    19.771] (EE) 5: /usr/lib/dri/radeonsi_dri.so
> (st_texture_create+0x5b) [0x7f97e178af1b]
> [    19.773] (EE) 6: /usr/lib/dri/radeonsi_dri.so
> (guess_and_alloc_texture+0x1ac) [0x7f97e173ae9c]
> [    19.774] (EE) 7: /usr/lib/dri/radeonsi_dri.so
> (st_AllocTextureImageBuffer+0x3a4) [0x7f97e173b3d4]
> [    19.775] (EE) 8: /usr/lib/dri/radeonsi_dri.so (st_TexImage+0x6c)
> [0x7f97e173f9ac]
> [    19.786] (EE) 9: /usr/lib/dri/radeonsi_dri.so
> (_mesa_get_fallback_texture+0x193) [0x7f97e16cb763]
> [    19.786] (EE) 10: /usr/lib/dri/radeonsi_dri.so
> (_mesa_update_texture+0x1a7) [0x7f97e16d1c37]
> [    19.787] (EE) 11: /usr/lib/dri/radeonsi_dri.so
> (_mesa_update_state_locked+0x683) [0x7f97e16b00e3]
> [    19.787] (EE) 12: /usr/lib/dri/radeonsi_dri.so
> (_mesa_update_state+0x11) [0x7f97e16b0441]
> [    19.787] (EE) 13: /usr/lib/dri/radeonsi_dri.so
> (_mesa_EGLImageTargetTexture2DOES+0x168) [0x7f97e16c5c88]
> [    19.802] (EE) 14: /usr/lib/xorg/modules/libglamoregl.so
> (glamor_create_texture_from_image+0xaa) [0x7f97d93bf89a]
> [    19.803] (EE) 15: /usr/lib/xorg/modules/libglamoregl.so
> (glamor_egl_create_textured_pixmap+0x12d) [0x7f97d93bfafd]
> [    19.803] (EE) 16: /usr/lib/xorg/modules/libglamoregl.so
> (glamor_egl_create_textured_screen+0x33) [0x7f97d93bfc23]
> [    19.811] (EE) 17: /usr/lib/xorg/modules/drivers/amdgpu_drv.so
> (amdgpu_glamor_create_screen_resources+0x67) [0x7f97e2ea7cf7]
> [    19.812] (EE) 18: /usr/lib/xorg/modules/drivers/amdgpu_drv.so
> (AMDGPUCreateScreenResources_KMS+0x27e) [0x7f97e2e9fe3e]
> [    19.813] (EE) 19: /usr/libexec/Xorg
> (xf86CrtcCreateScreenResources+0x2e) [0x4a3b7e]
> [    19.814] (EE) 20: /usr/libexec/Xorg (dix_main+0x26e) [0x438ebe]
> [    19.815] (EE) 21: /lib/libc.so.6 (__libc_start_main+0xf0)
> [0x7f97e86b85e0]
> [    19.816] (EE) 22: /usr/libexec/Xorg (_start+0x29) [0x424659]
> [    19.816] (EE)
> [    19.816] (EE) Segmentation fault at address 0x4023321cc
> [    19.816] (EE)
> Fatal server error:
> [    19.816] (EE) Caught signal 11 (Segmentation fault). Server aborting
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