<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_ASSIGNED " title="ASSIGNED --- - [HSW/BYT/BDW Bisected ]system sporadically boot fail" href="https://bugs.freedesktop.org/show_bug.cgi?id=81140#c24">Comment # 24</a> on <a class="bz_bug_link bz_status_ASSIGNED " title="ASSIGNED --- - [HSW/BYT/BDW Bisected ]system sporadically boot fail" href="https://bugs.freedesktop.org/show_bug.cgi?id=81140">bug 81140</a> from <a class="email" href="mailto:lei.a.liu@intel.com" title="liulei <lei.a.liu@intel.com>"> liulei</a> <pre>I notice some differences between debug kernel dmesg and normal kernel dmesg . Booting with debug kernel(boot up successfully) dmesg like below: [ 5.295520] [drm] Memory usable by graphics device = 2048M [ 5.299528] [drm:i915_gem_gtt_init] GMADR size = 256M [ 5.299531] [drm:i915_gem_gtt_init] GTT stolen size = 32M [ 5.299533] [drm:i915_gem_gtt_init] ppgtt mode: 1 [ 5.299535] [drm] Replacing VGA console driver [ 5.314627] checking generic (b0000000 7e9000) vs hw (b0000000 10000000) [ 5.314629] fb: switching to inteldrmfb from EFI VGA [ 5.317939] Console: switching to colour dummy device 80x25 [ 5.318122] usb 1-5: new high-speed USB device number 3 using xhci_hcd Booting with normal kernel(boot failure) dmesg like this: [ 26.898922] [drm] Memory usable by graphics device = 2048M [ 26.898923] [drm] Replacing VGA console driver [ 27.449211] fb: switching to inteldrmfb from EFI VGA</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>