[Bug 105308] X log ballooning in size with "drmmode_wait_vblank failed for scanout update" and "get vblank counter failed"

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105308

            Bug ID: 105308
           Summary: X log ballooning in size with "drmmode_wait_vblank
                    failed for scanout update" and "get vblank counter
                    failed"
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: rah at settrans.net

Created attachment 137717
  --> https://bugs.freedesktop.org/attachment.cgi?id=137717&action=edit
First 3900 lines of Xorg log

Hi,

My X log is on occassion filling up my hard disk, reaching a size of 18G with
mostly repeats of two lines.  The X server is working and running fine; I'm
typing this on it now.  The first indication that there is a problem is seeing
"No space left on device".  It looks like the woes begin with this line:

[   668.860] (WW) AMDGPU(0): flip queue failed in amdgpu_scanout_flip: Invalid
argument, TearFree inactive until next modeset

The kernel also reported this although I've no idea when in relation to other
events:

[57903.995504] [drm:amdgpu_cs_ioctl [amdgpu]] *ERROR*
amdgpu_cs_list_validate(validated) failed.
[57903.995539] [drm:amdgpu_cs_ioctl [amdgpu]] *ERROR* Failed to process the
buffer list -22!
[58014.990950] [drm:amdgpu_cs_ioctl [amdgpu]] *ERROR*
amdgpu_cs_list_validate(validated) failed.
[58014.990998] [drm:amdgpu_cs_ioctl [amdgpu]] *ERROR* Failed to process the
buffer list -22!


rah at lotus:~/store-f$ ls -lh Xorg.0.log 
-rw-r--r-- 1 rah rah 18G Mar  1 09:52 Xorg.0.log
rah at lotus:~/store-f$ grep "drmmode_wait_vblank failed for scanout update"
Xorg.0.log | head -n 1
[   668.860] (WW) AMDGPU(0): drmmode_wait_vblank failed for scanout update:
Invalid argument
rah at lotus:~/store-f$ grep "get vblank counter failed" Xorg.0.log | head -n 1
[ 10749.146] (WW) AMDGPU(0): get vblank counter failed: Invalid argument
rah at lotus:~/store-f$ wc -l Xorg.0.log 
203212490 Xorg.0.log
rah at lotus:~/store-f$ egrep -vc "(drmmode_wait_vblank failed for scanout
update|get vblank counter failed)" Xorg.0.log 
1509
rah at lotus:~/store-f$ grep -c "drmmode_wait_vblank failed for scanout update"
Xorg.0.log 
200689290
rah at lotus:~/store-f$ grep -c "get vblank counter failed" Xorg.0.log 
2521692

I'll attach the first 3900 lines of the Xorg log and the kernel log.

Thanks,

Bob

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