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Re: [MPlayer-dev-eng] AMD E450 VDPAU GPU lockup triggered by r37367/r37368 changes.





----- Mail original -----
De: "compn" <tempn@xxxxxxxxx>
À: mplayer-dev-eng@xxxxxxxxxxxx
Envoyé: Mercredi 29 Avril 2015 17:34:44
Objet: Re: [MPlayer-dev-eng] AMD E450 VDPAU GPU lockup triggered by r37367/r37368 changes.

On Wed, 29 Apr 2015 00:42:33 +0200 (CEST)
wallak@xxxxxxx wrote:

>   After extensive tests; I've found that the r37367/r37368 changes
> trigger a high likely GPU lock on my AMD E450 while using VDPAU. The
> machine may require a reboot once this happens.
> 
>   Have you an idea about the underlying issue? Is there other
> configurations affected?

what driver version?
any messages in dmesg?

-compn
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-------------------

Using the last stable xorg version:
[   146.655] (II) Module "dri" already built-in
[   146.655] (II) LoadModule: "radeon"
[   146.656] (II) Loading /usr/X11R6/lib64/xorg/modules/drivers/radeon_drv.so
[   146.656] (II) Module radeon: vendor="X.Org Foundation"
[   146.656]    compiled for 1.16.4, module version = 7.5.0
[   146.656]    Module class: X.Org Video Driver
[   146.656]    ABI class: X.Org Video Driver, version 18.0
...
[   146.680] (II) [KMS] Kernel modesetting enabled.
[   146.680] (**) RADEON(0): Depth 24, (--) framebuffer bpp 32
[   146.680] (II) RADEON(0): Pixel depth = 24 bits stored in 4 bytes (32 bpp pixmaps)
[   146.680] (==) RADEON(0): Default visual is TrueColor
[   146.680] (**) RADEON(0): Option "EnablePageFlip" "1"
[   146.680] (**) RADEON(0): Option "ColorTiling" "1"
[   146.680] (**) RADEON(0): Option "RenderAccel" "true"
[   146.680] (**) RADEON(0): Option "AccelMethod" "EXA"
[   146.680] (**) RADEON(0): Option "EXAVSync" "on"
[   146.680] (==) RADEON(0): RGB weight 888
[   146.681] (II) RADEON(0): Using 8 bits per RGB (8 bit DAC)
[   146.681] (--) RADEON(0): Chipset: "AMD Radeon HD 6300 Series Graphics" (ChipID = 0x9806)
...

When the lock-up happens:
[  697.765318] radeon 0000:00:01.0: GPU lockup CP stall for more than 10004msec
[  697.765327] radeon 0000:00:01.0: GPU lockup (waiting for 0x00000000000004dd last fence id 0x00000000000004db)
[  723.880454] radeon 0000:00:01.0: GPU lockup CP stall for more than 10000msec
[  723.880463] radeon 0000:00:01.0: GPU lockup (waiting for 0x0000000000000fe3 last fence id 0x0000000000000fdf)
[  723.887592] radeon 0000:00:01.0: Saved 129 dwords of commands on ring 0.
[  723.887608] radeon 0000:00:01.0: GPU softreset: 0x00000009
[  723.887612] radeon 0000:00:01.0:   GRBM_STATUS               = 0xB2733828
[  723.887616] radeon 0000:00:01.0:   GRBM_STATUS_SE0           = 0x1C000007
[  723.887620] radeon 0000:00:01.0:   GRBM_STATUS_SE1           = 0x00000007
[  723.887623] radeon 0000:00:01.0:   SRBM_STATUS               = 0x20000040
[  723.887627] radeon 0000:00:01.0:   SRBM_STATUS2              = 0x00000000
[  723.887630] radeon 0000:00:01.0:   R_008674_CP_STALLED_STAT1 = 0x00000000
[  723.887634] radeon 0000:00:01.0:   R_008678_CP_STALLED_STAT2 = 0x400C0000
[  723.887637] radeon 0000:00:01.0:   R_00867C_CP_BUSY_STAT     = 0x00048004
[  723.887641] radeon 0000:00:01.0:   R_008680_CP_STAT          = 0x80268647
[  723.887645] radeon 0000:00:01.0:   R_00D034_DMA_STATUS_REG   = 0x44C83D57
[  723.891350] radeon 0000:00:01.0: GRBM_SOFT_RESET=0x00007F6B
[  723.891405] radeon 0000:00:01.0: SRBM_SOFT_RESET=0x00000100
[  723.892645] radeon 0000:00:01.0:   GRBM_STATUS               = 0x00003828
[  723.892649] radeon 0000:00:01.0:   GRBM_STATUS_SE0           = 0x00000007
[  723.892653] radeon 0000:00:01.0:   GRBM_STATUS_SE1           = 0x00000007
[  723.892657] radeon 0000:00:01.0:   SRBM_STATUS               = 0x20000040
[  723.892660] radeon 0000:00:01.0:   SRBM_STATUS2              = 0x00000000
[  723.892663] radeon 0000:00:01.0:   R_008674_CP_STALLED_STAT1 = 0x00000000
[  723.892667] radeon 0000:00:01.0:   R_008678_CP_STALLED_STAT2 = 0x00000000
[  723.892670] radeon 0000:00:01.0:   R_00867C_CP_BUSY_STAT     = 0x00000000
[  723.892674] radeon 0000:00:01.0:   R_008680_CP_STAT          = 0x00000000
[  723.892677] radeon 0000:00:01.0:   R_00D034_DMA_STATUS_REG   = 0x44C83D57
[  723.892685] radeon 0000:00:01.0: GPU reset succeeded, trying to resume
[  723.910950] [drm] PCIE GART of 512M enabled (table at 0x0000000000273000).
This time the GPU recover by itself, this is not always the case.

Removing the r37367/r37368 changes fixed the issue on this configuration.

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