On Tue, Sep 22, 2015 at 11:27 AM, Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> wrote: > On Tue, Sep 22, 2015 at 10:46:09AM +0200, Sedat Dilek wrote: >> On Mon, Sep 21, 2015 at 2:52 PM, Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> wrote: >> > On Mon, Sep 21, 2015 at 02:48:03PM +0200, Sedat Dilek wrote: >> >> On Mon, Sep 21, 2015 at 11:42 AM, Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> wrote: >> >> > On Sun, Sep 20, 2015 at 08:20:21PM +0200, Sedat Dilek wrote: >> >> >> Hi, >> >> >> >> >> >> I am here on Ubuntu/precise AMD64 with libdrm v2.4.65 and mesa v10.6.8. >> >> >> >> >> >> I cannot see my LightDM login-manager, my system hangs in VT-1. >> >> >> >> >> >> When I revert... >> >> >> >> >> >> commit 650da13c7257019728cfca361dfcbe34a6c526ef >> >> >> "sna: Coldplug unknown connections as well" >> >> > >> >> > All it is doing is a RRGetInfo() call after 2 seconds if the display >> >> > manager hasn't already done so. Easiest step forward is to look at the >> >> > ddx logs to see timings on who calls what and then try and get the >> >> > lightdm + unity logs to see why they changed behaviour. >> >> > >> >> >> >> Yes, I can look at the LightDM and Unity logs. >> >> Shall I build my intelddx with debugging enabled? >> > >> > The only thing of interest will be the timings given by the full debug >> > log. I don't expect to see a problem as such, but could be proven wrong. >> > >> >> >> ...everything is as usual. >> >> > >> >> > Apart from the kernel issue... >> >> > >> >> >> >> Which kernel-issue? >> >> >> >> On shutdown and after LightDM closes, my system hangs 4ever in VT-1, >> >> so reverting above commit does not really help. >> > >> > That ^ strongly suggests an issue lower down the stack. >> > >> >> I have built my intelddx via... >> >> $ ./configure --prefix=/opt/xorg --disable-dri1 --enable-dri2 >> --disable-dri3 --disable-tear-free --enable-debug=full >> >> ...(for more see my config.log). >> >> And added the following boot-params to the 3.13.y-Ubuntu-kernel command-line... >> >> Command line: BOOT_IMAGE=/boot/vmlinuz-3.13.0-64-generic >> root=UUID=001AADA61AAD9964 loop=/ubuntu/disks/root.disk ro drm.debug=7 >> log_buf_len=4M >> >> ...(for more see kern-log.txt and syslog.txt). >> >> My libdrm is v2.6.56 and mesa is v10.6.8 (for more see Xorg log). >> >> SNA ColdPlug seems to be activated... >> >> [ 32.436] sna_mode_coldplug() >> >> No sure where to look for LightDM and Unity logs. > > /var/log/lightdm/:0* > Hi, I have... $ LC_ALL=C ls /var/log/lightdm/ lightdm.log x-0-greeter.log x-0-greeter.log.old x-0.log x-1-greeter.log x-1-greeter.log.old x-1.log x-2-greeter.log x-2-greeter.log.old x-2.log > Not sure where unity ends up. > >> Hope this helps. > > It did, > > commit 31d42ed5637a1b2223d48d0db4d7c512b27aee07 > Author: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > Date: Tue Sep 22 10:23:24 2015 +0100 > > sna: Check for udev events before reading > > When performing RRGetInfo() we drain any pending uevents before checking > the CRTC/connector statuses. However, some versions of libudev do a > blocking read and so when we call RRGetInfo() from a Timer callback > (outside of the usual sigtimer interrupts) that blocking read lasts > indefinitely. > > Reported-by: Sedat Dilek <sedat.dilek@xxxxxxxxx> > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > Yupp, this fixes the issue for me. Merci. - sed@ - _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
