<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO --- - [HSW] trying to runtime suspend with power well enabled on 3.15" href="https://bugs.freedesktop.org/show_bug.cgi?id=80203#c12">Comment # 12</a> on <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO --- - [HSW] trying to runtime suspend with power well enabled on 3.15" href="https://bugs.freedesktop.org/show_bug.cgi?id=80203">bug 80203</a> from <a class="email" href="mailto:patrik.lundquist@gmail.com" title="Patrik Lundquist <patrik.lundquist@gmail.com>"> Patrik Lundquist</a> <pre>Created <a href="attachment.cgi?id=106104" name="attach_106104" title="3.17-rc4 dmesg with Ville's edp vdd locking patch backported">attachment 106104</a> <a href="attachment.cgi?id=106104&action=edit" title="3.17-rc4 dmesg with Ville's edp vdd locking patch backported">[details]</a> 3.17-rc4 dmesg with Ville's edp vdd locking patch backported It looks much better after I backported Ville's patch. After a couple of reboots and over ten suspend/resume cycles I've only got one stack dump (which might be my fault). [ 95.314561] Call Trace: [ 95.314564] [<ffffffff82778f98>] dump_stack+0x45/0x56 [ 95.314567] [<ffffffff8207132d>] warn_slowpath_common+0x7d/0xa0 [ 95.314570] [<ffffffff8207139c>] warn_slowpath_fmt+0x4c/0x50 [ 95.314591] [<ffffffffc0187fe8>] hsw_enable_pc8+0x5b8/0x660 [i915] [ 95.314600] [<ffffffffc012d1d0>] ? __i915_drm_thaw+0x1d0/0x1d0 [i915] [ 95.314609] [<ffffffffc012d22b>] i915_pm_suspend_late+0x5b/0x60 [i915] [ 95.314611] [<ffffffff824d17fc>] dpm_run_callback+0x4c/0x100 [ 95.314613] [<ffffffff824d1fc0>] __device_suspend_late+0xb0/0x1a0 [ 95.314615] [<ffffffff824d20cf>] async_suspend_late+0x1f/0xa0 [ 95.314617] [<ffffffff820930c7>] async_run_entry_fn+0x37/0x130 [ 95.314620] [<ffffffff8208a53a>] process_one_work+0x18a/0x4a0 [ 95.314622] [<ffffffff8208b22b>] worker_thread+0x6b/0x5d0 [ 95.314625] [<ffffffff8208b1c0>] ? pool_mayday_timeout+0x1b0/0x1b0 [ 95.314627] [<ffffffff820905ab>] kthread+0xdb/0x100 [ 95.314629] [<ffffffff820904d0>] ? kthread_create_on_node+0x180/0x180 [ 95.314632] [<ffffffff82780ebc>] ret_from_fork+0x7c/0xb0 [ 95.314634] [<ffffffff820904d0>] ? kthread_create_on_node+0x180/0x180 Imre, please create a new bug for the VGA thingy if you want me to continue testing it.</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>