| Bug ID | 96343 |
|---|---|
| Summary | oom since st/mesa: implement PBO downloads for ReadPixels |
| Product | Mesa |
| Version | git |
| Hardware | x86-64 (AMD64) |
| OS | Linux (All) |
| Status | NEW |
| Severity | normal |
| Priority | medium |
| Component | Drivers/Gallium/radeonsi |
| Assignee | dri-devel@lists.freedesktop.org |
| Reporter | adf.lists@gmail.com |
| QA Contact | dri-devel@lists.freedesktop.org |
Created attachment 124282 [details] oom Tonga with xserver 1.8.3, agd5f drm-next-4.8-wip, git mesa/llvm/libdrm/xf86-video-amdgpu. Desktop is fluxbox = non-compositing. Since - commit ed0e9862c56d13381f0414b5a835fd31960edfe6 Author: Nicolai Hähnle <nicolai.haehnle@amd.com> Date: Tue Apr 26 13:19:28 2016 -0500 st/mesa: implement PBO downloads for ReadPixels v2: require PIPE_CAP_SAMPLER_VIEW_TARGET; technically only needed for some of the texture targets, but all hardware that has shader images should also have this cap. I can provoke an oom on xorg as attached by displaying a couple of 1920 xwds with display from ImageMagick and flipping between then, plus some middle mouse clicking (which magnifys a section and gives info on the pixel clicked). Oom is not instant - may take a couple of minutes clicking/flipping. Polling free when doing this doesn't indicate any issue until it triggers so it's not slowly leaking, but goes quickly at some point filling swap then oom.
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