<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - [KBL] "enable_rc6" parameter deprecation brings back freezing" href="https://bugs.freedesktop.org/show_bug.cgi?id=105962#c28">Comment # 28</a> on <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - [KBL] "enable_rc6" parameter deprecation brings back freezing" href="https://bugs.freedesktop.org/show_bug.cgi?id=105962">bug 105962</a> from <a class="email" href="mailto:freedesktop.org@nospam.mooo.com" title="paulz <freedesktop.org@nospam.mooo.com>"> paulz</a> <pre>(In reply to Imre Deak from <a href="show_bug.cgi?id=105962#c17">comment #17</a>) > (In reply to paulz from <a href="show_bug.cgi?id=105962#c13">comment #13</a>) > > [...] > > > I'm guessing the DC state toggling is due to GPU activity, probably due to > > > updating the clock in your GUI. Could you try preventing these updates (and > > > any other GPU activity) for instance by switching away to another VT from > > > your GUI and seeing if the freeze still happens? > > switching away to another VT is NOT possible, its the whole PC that freeze! > > Even SysRq don't work, keyboard is also dead > > I meant here to switch to another VT from the GUI before the freeze to avoid > any GPU activity (it looks like it is the periodic clock update based on > your later logs) and see if the freeze still happens. confirmed! no freeze on other VT (bash shell) since >36 hours without setting i915.enable_rc6=0</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> <li>You are the QA Contact for the bug.</li> <li>You are on the CC list for the bug.</li> </ul> </body> </html>