Re: kern/49362: drm2 GENERIC refresh leaves black areas Radeon HD 4550, ASRock Z77M, Intel i3-3225

[Thomas Klausner <wiz%NetBSD.org@localhost>]

The following reply was made to PR kern/49362; it has been noted by GNATS.

From: Thomas Klausner <wiz%NetBSD.org@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: kern/49362: drm2 GENERIC refresh leaves black areas Radeon HD
 4550, ASRock Z77M, Intel i3-3225
Date: Fri, 9 Jan 2015 10:18:48 +0100

 > For a Sapphire Radeon HD 4550 graphics card in an ASRock Z77M motherboard, Intel i3-3225 CPU, running current 7.99.1 GENERIC amd64 and pkgsrc xfce4 and refreshing windows such as the Terminal or Firefox results in large black areas appearing during refresh.  For example, in Terminal simply use the command
 
 I have seen similar problems.
 
 The black areas can be one letter big, or triangular (in steps) or
 plain rectangles.
 
 I'm currently using
 
 [    43.604] (--) RADEON(0): Chipset: "ATI RV730 PRO [Radeon HD 4650]" (ChipID = 0x9498)
 
 on NetBSD-7.99.3/amd64 from Dec 21.
 
  Thomas