[Bug 75357] New: Barts (HD6850): Failure in evergreen_surface_check_2d

[bugzilla-daemon@freedesktop.org]

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https://bugs.freedesktop.org/show_bug.cgi?id=75357

          Priority: medium
            Bug ID: 75357
          Assignee: dri-devel@lists.freedesktop.org
           Summary: Barts (HD6850): Failure in evergreen_surface_check_2d
          Severity: major
    Classification: Unclassified
                OS: Linux (All)
          Reporter: oogway.droid@gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: XOrg CVS
         Component: DRM/Radeon
           Product: DRI

Created attachment 94554
  --> https://bugs.freedesktop.org/attachment.cgi?id=94554&action=edit
dmesg radeon 6850

I'm running Fedora 20 with the latest distro kernel (3.13.3).
I'm running Gnome shell and see very frequent hangs.
Its usually observed when the system has been inactive for a while
and the monitor goes into powersave mode. When I try to activate the
system via keyboard/mouse I get a black screen. I cannot switch to a VT as
well.
SSH still works and the system is responsive via ssh. DPM is not enabled.
However I did switch the card to "low" power profile after boot.

echo "low" > /sys/class/drm/card0/device/power_profile

cat /sys/kernel/debug/dri/0/radeon_pm_info
default engine clock: 775000 kHz
current engine clock: 99990 kHz
default memory clock: 1000000 kHz
current memory clock: 150000 kHz
voltage: 950 mV
PCIE lanes: 16

dmesg shows the following:

[ 8443.493242] radeon 0000:01:00.0: evergreen_surface_check_2d:277 texture
pitch 1920 invalid must be aligned with 512
[ 8443.493249] radeon 0000:01:00.0: evergreen_cs_track_validate_texture:826
texture invalid 0x1dfc3bc1 0x40000437 0x060a0000 0x00000000 0x80000000
0x800304da
[ 8443.493251] [drm:radeon_cs_ib_chunk] *ERROR* Invalid command stream !
[ 8455.699835] radeon 0000:01:00.0: evergreen_surface_check_2d:277 texture
pitch 1920 invalid must be aligned with 512
[ 8455.699841] radeon 0000:01:00.0: evergreen_cs_track_validate_texture:826
texture invalid 0x1dfc3bc1 0x40000437 0x060a0000 0x00000000 0x80000000
0x800304da
[ 8455.699844] [drm:radeon_cs_ib_chunk] *ERROR* Invalid command stream !
[ 8456.748217] radeon 0000:01:00.0: evergreen_surface_check_2d:277 texture
pitch 1920 invalid must be aligned with 512
[ 8456.748223] radeon 0000:01:00.0: evergreen_cs_track_validate_texture:826
texture invalid 0x1dfc3bc1 0x40000437 0x060a0000 0x00000000 0x80000000
0x800304da
[ 8456.748226] [drm:radeon_cs_ib_chunk] *ERROR* Invalid command stream !
[ 8605.668059] radeon 0000:01:00.0: evergreen_surface_check_2d:277 texture
pitch 1920 invalid must be aligned with 512
[ 8605.668066] radeon 0000:01:00.0: evergreen_cs_track_validate_texture:826
texture invalid 0x1dfc3bc1 0x40000437 0x060a0000 0x00000000 0x80000000
0x800304da
[ 8605.668068] [drm:radeon_cs_ib_chunk] *ERROR* Invalid command stream !

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