<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - screen goes black and loses sync after about 10-15 minutes" href="https://bugs.freedesktop.org/show_bug.cgi?id=111668#c15">Comment # 15</a> on <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - screen goes black and loses sync after about 10-15 minutes" href="https://bugs.freedesktop.org/show_bug.cgi?id=111668">bug 111668</a> from <a class="email" href="mailto:nanook@eskimo.com" title="Robert Dinse <nanook@eskimo.com>"> Robert Dinse</a> <pre> I apologize but I am apparently still doing something wrong. I put this in my /etc/default/grub: RUB_CMDLINE_LINUX_DEFAULT="quiet splash xdg.force_integrated=1 modprobe.blacklist=nouveau drm.debug=14 log_buf_len=4M" Did update-grub Then rebooted, still do not see drm debug in dmesg output, only drm related messages I get are these: [ 1.403149] fb0: switching to inteldrmfb from EFI VGA [ 1.404305] [drm] Replacing VGA console driver [ 1.405889] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 1.406317] [drm] Driver supports precise vblank timestamp query. [ 1.408462] [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) [ 1.681848] [drm] failed to retrieve link info, disabling eDP [ 1.685817] [drm] HuC: Loaded firmware i915/kbl_huc_ver02_00_1810.bin (version 2.0) [ 1.696774] [drm] GuC: Loaded firmware i915/kbl_guc_ver9_39.bin (version 9.39) [ 1.710299] [drm] Initialized i915 1.6.0 20181204 for 0000:00:02.0 on minor 0 [ 1.751670] fbcon: inteldrmfb (fb0) is primary device [ 1.811512] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device Same thing in kern.log. -_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_- Eskimo North Linux Friendly Internet Access, Shell Accounts, and Hosting. Knowledgeable human assistance, not telephone trees or script readers. See our web site: <a href="http://www.eskimo.com/">http://www.eskimo.com/</a> (206) 812-0051 or (800) 246-6874. On Mon, 16 Sep 2019, <a href="mailto:bugzilla-daemon@freedesktop.org">bugzilla-daemon@freedesktop.org</a> wrote: > Date: Mon, 16 Sep 2019 18:03:03 +0000 > From: <a href="mailto:bugzilla-daemon@freedesktop.org">bugzilla-daemon@freedesktop.org</a> > To: <a href="mailto:nanook@eskimo.com">nanook@eskimo.com</a> > Subject: [<a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - screen goes black and loses sync after about 10-15 minutes" href="show_bug.cgi?id=111668">Bug 111668</a>] screen goes black and loses sync after about 10-15 > minutes > > <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - screen goes black and loses sync after about 10-15 minutes" href="show_bug.cgi?id=111668">https://bugs.freedesktop.org/show_bug.cgi?id=111668</a> > > --- <a href="show_bug.cgi?id=111668#c14">Comment #14</a> from Jani Nikula <<a href="mailto:jani.nikula@intel.com">jani.nikula@intel.com</a>> --- > "options i915" means they'll get applied as module parameters for i915. > > debug=14 is a module parameter for drm module. > > log_buf_len is a kernel parameter, not a module parameter at all. It needs to > be set on the kernel command line. > > The conf file you refer to is probably for modprobe. You could start off by > removing the options for i915 altogether, and add them to the kernel command > line. On the kernel command line module specific parameters are set using > modulename.parameter syntax, e.g. drm.debug=14. > > You can adjust kernel parameters for each boot at the grub menu, or by editing > /etc/default/grub and running update-grub after that. At least on some distros. > > -- > You are receiving this mail because: > You are on the CC list for the bug. > You reported the bug.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are on the CC list for the bug.</li> <li>You are the QA Contact for the bug.</li> <li>You are the assignee for the bug.</li> </ul> </body> </html>