On Sunday 23 March 2014 16:08:37 Ed Tomlinson wrote: > 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 <[email protected]> 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).
This has been solved via a firmware fix and a patch see: https://bugs.freedesktop.org/show_bug.cgi?id=75992 Ed Tomlinson -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
