Comment # 5 on bug 103403 from mirh

Created attachment 135649 [details]
*actual* pic of the glitch

I apologize for the newbness of the reporter. 

Hope this way you can better understand the issue. 
I suspect what I put in the title since (after reading similar symptoms in bug
99323 and bug 37696) we could exclude the latter with dpm=0, and the issue
still appearing.