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

Tue Oct 11 13:22:53 UTC 2016

Yup confirmed...

[root at fx6 linux]# git bisect good
da00756f75422b04befae381e7e48d0cacf299f3 is the first bad commit
commit da00756f75422b04befae381e7e48d0cacf299f3
Author: Christian König <christian.koenig at amd.com>
Date:   Wed Oct 5 16:09:32 2016 +0200

    drm/amdgpu: move align_mask and nop into ring funcs as well

    They are constant as well.

    Signed-off-by: Christian König <christian.koenig at amd.com>
    Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

:040000 040000 a8f2ca9290985991b3cc37cbeb902f060573fdbb 2309b176a1d4ff9e59eaf25688b5db6eb9759dd0 M      drivers

________________________________
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> on behalf of StDenis, Tom <Tom.StDenis at amd.com>
Sent: Tuesday, October 11, 2016 09:20
To: Andy Furniss; amd-gfx at lists.freedesktop.org
Cc: Deucher, Alexander
Subject: Re: [PATCH 4/4] drm/amdgpu: used cached gca values for vi_read_register

Hi Andy,

Ha, I'm 1 step away (that was my last bad commit) from determining that.  I'll finish up for formality sake but I suspect that is the bad one.

Cheers,

Tom

________________________________
From: Andy Furniss <adf.lists at gmail.com>
Sent: Tuesday, October 11, 2016 09:10
To: StDenis, Tom; amd-gfx at lists.freedesktop.org
Cc: Deucher, Alexander
Subject: Re: [PATCH 4/4] drm/amdgpu: used cached gca values for vi_read_register

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 at lists.freedesktop.org> on behalf of StDenis, Tom <Tom.StDenis at amd.com>
> Sent: Tuesday, October 11, 2016 08:11
> To: Andy Furniss; amd-gfx at 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 at lists.freedesktop.org> on behalf of Andy Furniss <adf.lists at gmail.com>
> Sent: Tuesday, October 11, 2016 08:07
> To: Alex Deucher; amd-gfx at 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
> _______________________________________________
> amd-gfx mailing list
> amd-gfx at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx
amd-gfx Info Page - lists.freedesktop.org<https://lists.freedesktop.org/mailman/listinfo/amd-gfx>
lists.freedesktop.org
To see the collection of prior postings to the list, visit the amd-gfx Archives. Using amd-gfx: To post a message to all the list members, send email ...

> amd-gfx Info Page - lists.freedesktop.org<https://lists.freedesktop.org/mailman/listinfo/amd-gfx>
> lists.freedesktop.org
> To see the collection of prior postings to the list, visit the amd-gfx Archives. Using amd-gfx: To post a message to all the list members, send email ...
>
>
>
>

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.freedesktop.org/archives/amd-gfx/attachments/20161011/d936ad7d/attachment.html>