Hi We can confirm this issue on sandy bridge graphics (h67/ i7-2600k), bisecting between 2.4.27-1 and 2.4.28-1 points at this patch: From c549a777c1b6227a724942c64aa5cd181eb93c6c Mon Sep 17 00:00:00 2001 From: Chris Wilson <chris@chris-wilson.co.uk> Date: Mon, 5 Dec 2011 10:14:34 +0000 Subject: intel: Unmap buffers during drm_intel_gem_bo_unmap We cannot afford to cache the vma per open bo as this may exhaust the per-process limits. References: https://bugs.freedesktop.org/show_bug.cgi?id=43075 References: https://bugs.freedesktop.org/show_bug.cgi?id=40066 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> --- intel/intel_bufmgr_gem.c | 27 +++++++++++++++++++++------ 1 files changed, 21 insertions(+), 6 deletions(-) Reverting just this patch from 2.4.28-1 indeed fixes the problem again. Regards Stefan Lippers-Hollmann
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