<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#c21">Comment # 21</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#c19">comment #19</a>) > Thanks, looks like the only activity preceding the freeze is some periodic > GPU command, I suppose to update the clock in GUI, but nothing out of > ordinary. You could still check if enabling pstore would provide additional > logs after freeze and reboot. For that you'd need to build your kernel with > EFI or RAM based PSTORE support (for EFI: CONFIG_PSTORE=y, > CONFIG_EFI_VARS_PSTORE=y) and boot with the 'nmi_watchdog=panic panic=5' > kernel params. After freeze/rebooting > > # mount -t pstore none <dir> > > should put any such logs in <dir>. paul@behemoth:~$ grep CONFIG_PSTORE /boot/config-4.13.0-39-generic CONFIG_PSTORE=y paul@behemoth:~$ grep CONFIG_EFI_VARS_PSTORE /boot/config-4.13.0-39-generic CONFIG_EFI_VARS_PSTORE=m i guess i have to rebuild the kernel because CONFIG_EFI_VARS_PSTORE is not "y"?</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> <li>You are on the CC list for the bug.</li> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>