<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [IGT] [BXT-P/KBL/SKL] some pm_rpm / kms_flip subtests causes [i915]] *ERROR* CPU pipe B/C FIFO underrun" href="https://bugs.freedesktop.org/show_bug.cgi?id=96226#c17">Comment # 17</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [IGT] [BXT-P/KBL/SKL] some pm_rpm / kms_flip subtests causes [i915]] *ERROR* CPU pipe B/C FIFO underrun" href="https://bugs.freedesktop.org/show_bug.cgi?id=96226">bug 96226</a> from <a class="email" href="mailto:humberto.i.perez.rodriguez@intel.com" title="Humberto Israel Perez Rodriguez <humberto.i.perez.rodriguez@intel.com>"> Humberto Israel Perez Rodriguez</a> <pre>(In reply to cprigent from <a href="show_bug.cgi?id=96226#c16">comment #16</a>) > Hi Humberto, > Is the FIFO underrun reproduced? > Is your result with the patch applied or not (<a href="show_bug.cgi?id=96226#c14">comment 14</a>)? Hi Christophe : the mbox from the <a href="show_bug.cgi?id=96226#c14">comment 14</a> could not be apply it due to the following error : (09:10 AM) [gfx@bifrost] [drm-tip]$ : git am Series-without-cover-letter.mbox Applying: drm/i915: skip the first 4k of stolen memory on everything >= gen8 error: patch failed: drivers/gpu/drm/i915/i915_gem_stolen.c:55 error: drivers/gpu/drm/i915/i915_gem_stolen.c: patch does not apply Patch failed at 0001 drm/i915: skip the first 4k of stolen memory on everything >= gen8 The copy of the patch that failed is found in: .git/rebase-apply/patch When you have resolved this problem, run "git am --continue". If you prefer to skip this patch, run "git am --skip" instead. To restore the original branch and stop patching, run "git am --abort". with latest configuration the only test that are fail are the following : Kernel ================================================== commit af723422378a6d17bd5b632880b195f8443445b5 Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>> Date: Sat Jan 14 16:21:29 2017 +0000 drm-tip: 2017y-01m-14d-16h-21m-06s UTC integration manifest Gfx stack ================================================== Component : drm tag : libdrm-2.4.74-25-g44f220a commit : 44f220a Component : cairo tag : 1.15.4-4-gdd4706d commit : dd4706d Component : intel-gpu-tools tag : intel-gpu-tools-1.17-115-g12e34d8 commit : 12e34d8 the following test in SKL are fail but there does not causes ([i915]] *ERROR* CPU pipe B/C FIFO underrun) please see attached logs skl.dmesg () Platform : SKL ================================= igt@pm_rpm@universal-planes igt@pm_rpm@legacy-planes igt@kms_flip@2x-plain-flip-ts-check-interruptible igt@kms_flip@flip-vs-wf_vblank-interruptible igt@kms_flip@2x-flip-vs-absolute-wf_vblank-interruptible igt@kms_flip@2x-flip-vs-wf_vblank-interruptible igt@kms_flip@plain-flip-ts-check-interruptible igt@kms_flip_tiling@flip-to-y-tiled igt@kms_flip_tiling@flip-to-yf-tiled the following test in KBL are fail but and randomly causes ([i915]] *ERROR* CPU pipe B/C FIFO underrun) please see attached logs kbl.dmesg () Platform : KBL ================================= igt@pm_rpm@universal-planes igt@pm_rpm@legacy-planes igt@kms_flip@2x-plain-flip-ts-check-interruptible igt@kms_flip@flip-vs-wf_vblank-interruptible igt@kms_flip@2x-flip-vs-absolute-wf_vblank-interruptible igt@kms_flip@2x-flip-vs-wf_vblank-interruptible igt@kms_flip@plain-flip-ts-check-interruptible igt@kms_flip_tiling@flip-to-y-tiled igt@kms_flip_tiling@flip-to-yf-tiled</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are on the CC list for the bug.</li> </ul> </body> </html>