On Tue, 12 Jan 2010 18:43:09 +0100 Thomas Meyer <thomas@xxxxxxxx> wrote: > Am Montag, den 11.01.2010, 11:19 -0800 schrieb Jesse Barnes: > > On Mon, 11 Jan 2010 20:03:57 +0100 > > Thomas Meyer <thomas@xxxxxxxx> wrote: > > > > > > > > > > > Am 11.01.2010 um 17:55 schrieb Jesse Barnes > > > <jbarnes@xxxxxxxxxxxxxxxx>: > > > > > > > On Mon, 11 Jan 2010 17:53:04 +0100 > > > > Thomas Meyer <thomas@xxxxxxxx> wrote: > > > > > > > >> Am Sonntag, den 10.01.2010, 23:56 +0100 schrieb Rafael J. > > > >> Wysocki: > > > >>> This message has been generated automatically as a part of a > > > >>> report of regressions introduced between 2.6.31 and 2.6.32. > > > >>> > > > >>> The following bug entry is on the current list of known > > > >>> regressions introduced between 2.6.31 and 2.6.32. Please > > > >>> verify if it still should be listed and let me know (either > > > >>> way). > > > >>> > > > >> > > > >> Yes, still should be listed. > > > >> > > > >> Problem still exists in 2.6.32.3 and 2.6.33-rc3-00097-g2c1f189, > > > >> that contains > > > >> this commit: > > > >> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=cda9d05c499093c67b4a376a15009923acc2127a > > > >> > > > >> The above commit removes the render reclock support, that > > > >> ought to fix a common kind of problem encountered on i915 > > > >> hardware, but not on my machine. > > > >> > > > >> Still need to boot with "nomodeset" to have a workable system. > > > > > > > > Does this patch prevent the flicker? > > > > > > By the way: how often and in what interval is the function > > > intel_lvds_detect called? > > > > > > How long will/can the function acpi_lid_open take to complete? > > > Maybe some acpi interpretation takes really long? Is this > > > possible? > > > > > > Would this explain the flickering? > > > > It should only be called when a client requests the connection > > status (e.g. xrandr or the GNOME display applet). > > how to check how often this function is called and it's duration? is > the function tracer capable of this? Yeah, the function tracer should be able to do it (though I don't know how to use it offhand, maybe through the perf tool?). Or you could just add some DRM_ERROR lines. :) > > The LVDS state will also be checked at ACPI LID event time, maybe > > your platforms is getting spurious LID events? > > maybe! where can I check this? acpid log file? Yeah or using acpi_listen I think. -- Jesse Barnes, Intel Open Source Technology Center -- To unsubscribe from this list: send the line "unsubscribe kernel-testers" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
