Comment # 31
on bug 69723
from Alexandre Demers
(In reply to comment #30) > (In reply to comment #29) > > Just in case, I went back in time for bisection between v3.11 and v3.10, > > began at commit 69e0b57a91adca2e3eb56ed4db39ab90f3ae1043 when dpm was > > implemented on Cayman. I applied patches from bug 68235 so I could run > > without display hanging. I've been running videos, daily tasks and piglit > > runs without a crash. I'll move forward and see if I can find something that > > could help us explain the hangs happening since v3.11.0. > > As I mentioned in bug 68235, with 69e0b57a91adca2e3eb56ed4db39ab90f3ae1043 > the driver did not enable dynamic performance level adjustments since it > caused hangs. With that commit the GPU always stays in the lowest > performance level which is why it's stable. The hangs were fixed by > 4da18e26e0cc2387597ff57ac33df1bc6369fbed, > 7a80c2c9a957b1ab056fac235140ebd6c43d9831, and > 779187f2c3e69b8c06488538e0fd9fd02163359e and dynamic performance levels were > enabled in commit 7ad8d0687bb5030c3328bc7229a3183ce179ab25. Yes, I know. I just needed to start with something "solid". If running at the lowest performances is stable, it gives me a reference. I had time to test another commit in the branch, but since I'm not at home, I can't say if all the commits you had identified are in. I'll probably continue tonight.
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