[Bug 78221] 3.16 RC1: AMD R9 270 GPU locks up on some heavy 2D activity - GPU VM fault occurs. (possibly DMA copying issue strikes back?)

https://bugzilla.kernel.org/show_bug.cgi?id=78221 Linux Tester changed: What|Removed |Added CC||linux.tester at sharklasers.co

[Bug 78221] 3.16 RC1: AMD R9 270 GPU locks up on some heavy 2D activity - GPU VM fault occurs. (possibly DMA copying issue strikes back?)

https://bugzilla.kernel.org/show_bug.cgi?id=78221 Jean-Michel Smith changed: What|Removed |Added CC||jean.michel.sm at gmail.com --- Comme

[Bug 78221] 3.16 RC1: AMD R9 270 GPU locks up on some heavy 2D activity - GPU VM fault occurs. (possibly DMA copying issue strikes back?)

https://bugzilla.kernel.org/show_bug.cgi?id=78221 --- Comment #22 from t3st3r at mail.ru --- Attempted to test on 3.17-rc4. Result: crashed in about 3 minutes of run (see below). Are some stability fixes missing 3.17-rc4 mainline? At first glance I do not see radeon-related commits in drm-fixes w

[Bug 78221] 3.16 RC1: AMD R9 270 GPU locks up on some heavy 2D activity - GPU VM fault occurs. (possibly DMA copying issue strikes back?)

https://bugzilla.kernel.org/show_bug.cgi?id=78221 --- Comment #21 from t3st3r at mail.ru --- 2) About 3.17... I attempted 3.17-rc1 and it crashed in about 30 seconds of run of problematic work. I will try newer -RCs as well, as I can see there were some extra changes to radeon-related code. --

[Bug 78221] 3.16 RC1: AMD R9 270 GPU locks up on some heavy 2D activity - GPU VM fault occurs. (possibly DMA copying issue strikes back?)

https://bugzilla.kernel.org/show_bug.cgi?id=78221 --- Comment #20 from t3st3r at mail.ru --- 1) About 3.15 + patch: I gave it a try and it took quite a while to get opinion about it. Overall it is quite stable and survives about several days of run of problematic load. But eventually GPU still cou

[Bug 78221] 3.16 RC1: AMD R9 270 GPU locks up on some heavy 2D activity - GPU VM fault occurs. (possibly DMA copying issue strikes back?)

https://bugzilla.kernel.org/show_bug.cgi?id=78221 --- Comment #19 from Michel D?nzer --- Does a 3.17 based drm-fixes kernel tree work better? There have been a couple of stability fixes. -- You are receiving this mail because: You are watching the assignee of the bug.

[Bug 78221] 3.16 RC1: AMD R9 270 GPU locks up on some heavy 2D activity - GPU VM fault occurs. (possibly DMA copying issue strikes back?)

https://bugzilla.kernel.org/show_bug.cgi?id=78221 --- Comment #18 from t3st3r at mail.ru --- This is getting even more interesting. After some investigation I got idea why bisect never succeeds. It looks like there was no stable kernels at all: 3.15 is also broken. However it takes "almost forever

[Bug 78221] 3.16 RC1: AMD R9 270 GPU locks up on some heavy 2D activity - GPU VM fault occurs. (possibly DMA copying issue strikes back?)

https://bugzilla.kernel.org/show_bug.cgi?id=78221 Tomasz Mloduchowski changed: What|Removed |Added CC||q at qdot.me --- Comment #17 from T

[Bug 78221] 3.16 RC1: AMD R9 270 GPU locks up on some heavy 2D activity - GPU VM fault occurs. (possibly DMA copying issue strikes back?)

https://bugzilla.kernel.org/show_bug.cgi?id=78221 --- Comment #16 from t3st3r at mail.ru --- I have to admit this bug really suxx. I've attempted to bisect 3.15 -> 3.16rc1 several times but these attempts failed so far. It looks like while I generally found quite fast ways to toggle this bug in l

[Bug 78221] 3.16 RC1: AMD R9 270 GPU locks up on some heavy 2D activity - GPU VM fault occurs. (possibly DMA copying issue strikes back?)

https://bugzilla.kernel.org/show_bug.cgi?id=78221 --- Comment #15 from Alex Deucher --- Any luck narrowing down what fixed it in 3.15 or what broke it again in 3.16? -- You are receiving this mail because: You are watching the assignee of the bug.

[Bug 78221] 3.16 RC1: AMD R9 270 GPU locks up on some heavy 2D activity - GPU VM fault occurs. (possibly DMA copying issue strikes back?)

https://bugzilla.kernel.org/show_bug.cgi?id=78221 --- Comment #14 from t3st3r at mail.ru --- Nono, v3.15 (release) is okay on my GPU in regard to this bug. That what makes testing patch tricky. Bug has been here since unknown. I can tell for sure it plagued all 3.15RCs (maybe earlier versions as

[Bug 78221] 3.16 RC1: AMD R9 270 GPU locks up on some heavy 2D activity - GPU VM fault occurs. (possibly DMA copying issue strikes back?)

https://bugzilla.kernel.org/show_bug.cgi?id=78221 --- Comment #13 from Alex Deucher --- Sorry, I misread your comments and thought it was broken on 3.15 as well. You can follow the thread here: http://lists.freedesktop.org/archives/dri-devel/2014-June/062305.html -- You are receiving this mail

[Bug 78221] 3.16 RC1: AMD R9 270 GPU locks up on some heavy 2D activity - GPU VM fault occurs. (possibly DMA copying issue strikes back?)

https://bugzilla.kernel.org/show_bug.cgi?id=78221 --- Comment #12 from t3st3r at mail.ru --- And what I'm supposed to test if patch is against 3.15? Because 3.15 release is fine "on its own" and does not exposes this bug. So its impossible to see if bug appears -> apply patch -> check that bug is

[Bug 78221] 3.16 RC1: AMD R9 270 GPU locks up on some heavy 2D activity - GPU VM fault occurs. (possibly DMA copying issue strikes back?)

https://bugzilla.kernel.org/show_bug.cgi?id=78221 Alex Deucher changed: What|Removed |Added Attachment #140721|0 |1 is obsolete|

[Bug 78221] 3.16 RC1: AMD R9 270 GPU locks up on some heavy 2D activity - GPU VM fault occurs. (possibly DMA copying issue strikes back?)

https://bugzilla.kernel.org/show_bug.cgi?id=78221 Alex Deucher changed: What|Removed |Added Attachment #140711|0 |1 is obsolete|

[Bug 78221] 3.16 RC1: AMD R9 270 GPU locks up on some heavy 2D activity - GPU VM fault occurs. (possibly DMA copying issue strikes back?)

https://bugzilla.kernel.org/show_bug.cgi?id=78221 --- Comment #9 from t3st3r at mail.ru --- Hmm, this patch does not applies cleanly to 3.16-rc1 or -rc2, mostly having bunch of conflicts in radeon_vm.c, which are a bit over my head to resolve at this point. Which version of kernel I'm supposed to

[Bug 78221] 3.16 RC1: AMD R9 270 GPU locks up on some heavy 2D activity - GPU VM fault occurs. (possibly DMA copying issue strikes back?)

https://bugzilla.kernel.org/show_bug.cgi?id=78221 --- Comment #8 from Alex Deucher --- Created attachment 140721 --> https://bugzilla.kernel.org/attachment.cgi?id=140721&action=edit patch 2/2 -- You are receiving this mail because: You are watching the assignee of the bug.

[Bug 78221] 3.16 RC1: AMD R9 270 GPU locks up on some heavy 2D activity - GPU VM fault occurs. (possibly DMA copying issue strikes back?)

https://bugzilla.kernel.org/show_bug.cgi?id=78221 --- Comment #7 from Alex Deucher --- Created attachment 140711 --> https://bugzilla.kernel.org/attachment.cgi?id=140711&action=edit patch 1/2 Does this patch set help? -- You are receiving this mail because: You are watching the assignee of t

[Bug 78221] 3.16 RC1: AMD R9 270 GPU locks up on some heavy 2D activity - GPU VM fault occurs. (possibly DMA copying issue strikes back?)

https://bugzilla.kernel.org/show_bug.cgi?id=78221 --- Comment #6 from t3st3r at mail.ru --- Hmm, wrong guess about CPDMA. Trying harder, due to nature of bug it can take some time. -- You are receiving this mail because: You are watching the assignee of the bug.

[Bug 78221] 3.16 RC1: AMD R9 270 GPU locks up on some heavy 2D activity - GPU VM fault occurs. (possibly DMA copying issue strikes back?)

https://bugzilla.kernel.org/show_bug.cgi?id=78221 --- Comment #5 from t3st3r at mail.ru --- Will try that since that bug is nasty enough. Can take some time. As initial investigation when looking on commit log and matching encounters of bugs, it appears stability issues were fixed at result of co

[Bug 78221] 3.16 RC1: AMD R9 270 GPU locks up on some heavy 2D activity - GPU VM fault occurs. (possibly DMA copying issue strikes back?)

https://bugzilla.kernel.org/show_bug.cgi?id=78221 --- Comment #4 from Alex Deucher --- Can you bisect and see what fixed it in 3.15 or what broke it again in 3.16? -- You are receiving this mail because: You are watching the assignee of the bug.

[Bug 78221] 3.16 RC1: AMD R9 270 GPU locks up on some heavy 2D activity - GPU VM fault occurs. (possibly DMA copying issue strikes back?)

https://bugzilla.kernel.org/show_bug.cgi?id=78221 --- Comment #3 from t3st3r at mail.ru --- Not looks like this. Re-checked again, using very same version of drivers in process. I'm unable to trigged bug with 3.15 mainline kernel, no matter what. But it happens easily with older kernels like 3.14

[Bug 78221] 3.16 RC1: AMD R9 270 GPU locks up on some heavy 2D activity - GPU VM fault occurs. (possibly DMA copying issue strikes back?)

https://bugzilla.kernel.org/show_bug.cgi?id=78221 Alex Deucher changed: What|Removed |Added CC||alexdeucher at gmail.com --- Comment #2 fr

[Bug 78221] 3.16 RC1: AMD R9 270 GPU locks up on some heavy 2D activity - GPU VM fault occurs. (possibly DMA copying issue strikes back?)

https://bugzilla.kernel.org/show_bug.cgi?id=78221 --- Comment #1 from t3st3r at mail.ru --- *** Bug 78211 has been marked as a duplicate of this bug. *** -- You are receiving this mail because: You are watching the assignee of the bug.