<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_REOPENED " title="REOPENED - [SKL] random system hang with RC6 enabled" href="https://bugs.freedesktop.org/show_bug.cgi?id=95063#c16">Comment # 16</a> on <a class="bz_bug_link bz_status_REOPENED " title="REOPENED - [SKL] random system hang with RC6 enabled" href="https://bugs.freedesktop.org/show_bug.cgi?id=95063">bug 95063</a> from <a class="email" href="mailto:mattst88@gmail.com" title="Matt Turner <mattst88@gmail.com>"> Matt Turner</a> <pre>I think this is still occurring on 4.11-rc1: [drm:intel_panel_enable_backlight] pipe A [drm:intel_panel_actually_set_backlight] set backlight PWM = 317 [drm:intel_psr_enable] PSR disable by flag [drm:intel_edp_drrs_enable] Panel doesn't support DRRS [drm:intel_fbc_enable] reserved 33177600 bytes of contiguous stolen space for FBC, threshold: 1 [drm:intel_fbc_enable] Enabling FBC on pipe A ------------[ cut here ]------------ WARNING: CPU: 3 PID: 1099 at /home/mattst88/projects/linux/drivers/gpu/drm/i915/intel_display.c:14239 intel_atomic_commit_tail+0xf6c/0xf80 pipe A vblank wait timed out Modules linked in: iwlmvm iwlwifi CPU: 3 PID: 1099 Comm: Xorg Tainted: G W 4.11.0-rc1 #1 Hardware name: LENOVO 20ENCTO1WW/20ENCTO1WW, BIOS N1EET65W (1.38 ) 02/09/2017 Call Trace: dump_stack+0x4d/0x66 __warn+0xc6/0xe0 warn_slowpath_fmt+0x4a/0x50 ? finish_wait+0x51/0x60 intel_atomic_commit_tail+0xf6c/0xf80 ? wake_atomic_t_function+0x50/0x50 intel_atomic_commit+0x38a/0x450 ? wake_atomic_t_function+0x50/0x50 drm_atomic_commit+0x46/0x50 drm_atomic_helper_set_config+0x7e/0xd0 drm_mode_set_config_internal+0x60/0x110 drm_mode_setcrtc+0x3cd/0x4b0 drm_ioctl+0x1d7/0x440 ? drm_mode_getcrtc+0x170/0x170 ? __vfs_read+0xba/0x110 do_vfs_ioctl+0x8f/0x5b0 ? vfs_read+0x116/0x130 SyS_ioctl+0x3c/0x70 entry_SYSCALL_64_fastpath+0x13/0x94 RIP: 0033:0x7f22756b7167 RSP: 002b:00007ffe91a0ddc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00000000019f6b90 RCX: 00007f22756b7167 RDX: 00007ffe91a0de00 RSI: 00000000c06864a2 RDI: 000000000000000b RBP: 00000000019f0940 R08: 0000000000000000 R09: 000000000257b9e0 R10: 00007ffe91a0def0 R11: 0000000000000246 R12: 00000000019ef878 R13: 00007ffe91a0e0ec R14: 00007ffe91a0e030 R15: 00007ffe91a0ed2c ---[ end trace d31868330c63feb5 ]---</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> <li>You are the assignee for the bug.</li> </ul> </body> </html>