On Monday 10 March 2014 13:29:41 Ed Tomlinson wrote:
On Monday 10 March 2014 12:38:42 Alex Deucher wrote:
On Mon, Mar 10, 2014 at 11:47 AM, Ed Tomlinson edt@aei.ca wrote:
Hi,
I recently added a R7 260X to my system. While the card works with 3.13 its supposed work much better with 14-rc. This is not the case. My system is unstable without radeon.dpm=0 which was the default in .13. Here are some extracts from the logs of the latest fun with dpm enabled:
omitted
The above type of errors repeat hundreds of times and eventually the display freezes (this box does not have a serial console and it did not check with ssh)
When X started I did notice some corruption. There are sets of two rectangles about of a height of 2 or 3 mm, width of 25m or so with a second about a cm below. The often occurs in chomium especially when scrolling. Runing the unigine-sanctuary or unigine-tropics demo/benchmark programs also produce the above problems and eventually stall.
The problem is reproducible - I am not that familiar with gpu problems though, what else will help debug this?
Please file a bug at https://bugs.freedesktop.org (Product: DRI, Component: DRM/Radeon) and attach your dmesg output and xorg log.
Filed as bug 75992
Let me know if you want me to test anything or if more info is needed.
This still occurrs with rc7. With dpm enabled X is not usable. It stalls, sometimes with nasty screen corruption, after a few minute. With dpm disabled its much better (not perfect though).
Ed Tomlinson