<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - [APL] too many voltage retries / CPU pipe X FIFO underrun / audio errors when suspending to ram" href="https://bugs.freedesktop.org/show_bug.cgi?id=96915#c6">Comment # 6</a> on <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - [APL] too many voltage retries / CPU pipe X FIFO underrun / audio errors when suspending to ram" href="https://bugs.freedesktop.org/show_bug.cgi?id=96915">bug 96915</a> from <a class="email" href="mailto:christophe.prigent@intel.com" title="cprigent <christophe.prigent@intel.com>"> cprigent</a> <pre>Created <a href="attachment.cgi?id=127291" name="attach_127291" title="APL__dmesg__with-patch-applied">attachment 127291</a> <a href="attachment.cgi?id=127291&action=edit" title="APL__dmesg__with-patch-applied">[details]</a> APL__dmesg__with-patch-applied ERROR CPU pipe B FIFO underrun is not reproduced when suspending to RAM with the patch applied but I see it earlier in my log: user@BXTP6:~/Desktop$ dmesg |grep ERROR [ 14.343070] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe B FIFO underrun [ 207.578429] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to enable link training [ 207.611828] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to start channel equalization I also see 2 GPU Hangs, I reported it here: <a class="bz_bug_link bz_status_NEW " title="NEW - [APL] GPU Hang while booting" href="show_bug.cgi?id=98247">bug 98247</a> Platform BXT-P: APL system CPU Name : Intel(R) Genuine Processor @ 1.1 GHz (family: 6, model: 12, stepping: 9) 4 cores QDF : Q6HE SoC : B1 CRB : Apollo Lake DDR3L RVP1A FAB2 Reworks: R19, R20 Software Bios: 144_B10 APLK_B0_IFWI_X64_R_2016_06_27_0956_SPI_RVP1.bin from \\gar\ec\proj\ba\CCG\APL BIOS\External\BIOS_Release\Daily\v144_10_2016_WW27.1\IFWI\IFWI_RVP1_Release\IFWI KSC: 1.15 Linux distribution: Ubuntu 16.04 64 bits DMC 1.07 GuC 8.7 Kernel: 4.8.0 f79322d from <a href="http://cgit.freedesktop.org/drm-intel/">http://cgit.freedesktop.org/drm-intel/</a> commit f79322df75bf6193458ec601a345ba6bd86befca Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>> Date: Tue Oct 11 10:16:23 2016 +0100 drm-intel-nightly: 2016y-10m-11d-09h-16m-03s UTC integration manifest with applied <a href="https://patchwork.freedesktop.org/patch/100578/">https://patchwork.freedesktop.org/patch/100578/</a> libdrm-2.4.71 a44c9c3 from git://anongit.freedesktop.org/mesa/drm mesa: mesa-12.0.0 8b06176 from git://anongit.freedesktop.org/mesa/mesa cairo 1.15.2 db8a7f1 from git://anongit.freedesktop.org/cairo xorg-server-1.18.99.901-76 97a8353 from git://git.freedesktop.org/git/xorg/xserver xf86-video-intel 2.99.917-712 696f58f from git://git.freedesktop.org/git/xorg/driver/xf86-video-intel libva-1.7.2-38 3b7e499 from git://git.freedesktop.org/git/vaapi/libva vaapi-intel-driver: 1.7.2-133 dd73514 from git://git.freedesktop.org/git/vaapi/intel-driver External screens: ASUS PB238Q (HDMI), LG 25UM55D (DP)</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>