Messages in this thread | | | Subject | Re: [Bug #14670] i915: playing video via XVideo extension makes the screen flicker | From | Thomas Meyer <> | Date | Tue, 12 Jan 2010 18:43:09 +0100 |
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Am Montag, den 11.01.2010, 11:19 -0800 schrieb Jesse Barnes: > On Mon, 11 Jan 2010 20:03:57 +0100 > Thomas Meyer <thomas@m3y3r.de> wrote: > > > > > > > Am 11.01.2010 um 17:55 schrieb Jesse Barnes > > <jbarnes@virtuousgeek.org>: > > > > > On Mon, 11 Jan 2010 17:53:04 +0100 > > > Thomas Meyer <thomas@m3y3r.de> 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?
> > 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?
> > If not, this bisection really confuses me...
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