On Jun 4, 2010, at 4:02 PM, dri-devel-request at lists.freedesktop.org wrote: > Message: 2 > Date: Fri, 4 Jun 2010 04:28:02 -0700 (PDT) > From: bugzilla-daemon at freedesktop.org > Subject: [Bug 28383] New: Cloned screens with different res/refresh > cause problems with mesa demos since new dri2 vsync. > To: dri-devel at lists.freedesktop.org > Message-ID: <bug-28383-502 at http.bugs.freedesktop.org/> > Content-Type: text/plain; charset="UTF-8" > > https://bugs.freedesktop.org/show_bug.cgi?id=28383 > > Summary: Cloned screens with different res/refresh cause > problems with mesa demos since new dri2 vsync. > Product: Mesa > Version: git > Platform: x86 (IA32) > OS/Version: Linux (All) > Status: NEW > Severity: normal > Priority: medium > Component: Drivers/DRI/R600 > AssignedTo: dri-devel at lists.freedesktop.org > ReportedBy: lists at andyfurniss.entadsl.com > > > I think this is linked to the new dri2 vsync but mat be wrong... > > rv670 mesa git, ddx git xorg git (2 weeks ago) drt kernels. > > Not just latest drt and unrelated to tiling patches. > > I am starting with a TV connected @ 1024x768 + vga monitor @ > 1920x1080 so the > top left section of the monitor screen gets tv(50Hz) vsync - > monitor is 60Hz. > > If I start a mesa demo and it starts in the TV area it will sync to > 50HZ if I > move it outside the top left area it will sync to 60Hz. > > The problem is if I then move it back to the TV area it will stop > rendering and > become unresponsive. I can <ctrl><c> it but the window will remain. > If I the > move the window around enough I can get xserver to segfault. > > This doesn't happen with UMS or a drt from 29th April (uses old > vsync). > It doesn't happen if I disable TV with xrandr.
Diagnosis by treatment: Can you try if the attached patch fixes the problem for you? -------------- next part -------------- A non-text attachment was scrubbed... Name: xserver-dualheadvsyncfix.patch Type: application/octet-stream Size: 828 bytes Desc: not available URL: <http://lists.freedesktop.org/archives/dri-devel/attachments/20100608/e897abca/attachment.obj> -------------- next part -------------- best, -mario > > [ 489.682] 0: /home/andy/Src/Xorg-git/modular/bin/Xorg > (xorg_backtrace+0x3b) > [0x80da21b] > [ 489.682] 1: /home/andy/Src/Xorg-git/modular/bin/Xorg (0x8048000 > +0x59ca5) > [0x80a1ca5] > [ 489.682] 2: (vdso) (__kernel_rt_sigreturn+0x0) [0xffffe40c] > [ 489.682] 3: /home/andy/Src/Xorg-git/modular/bin/Xorg > (LocalClient+0x41) > [0x809d8d1] > [ 489.682] 4: > /home/andy/Src/Xorg-git/modular/lib/xorg/modules/extensions/libdri2.so > (0xb73ce000+0x309b) [0xb73d109b] > [ 489.682] 5: /home/andy/Src/Xorg-git/modular/bin/Xorg (0x8048000 > +0x25198) > [0x806d198] > [ 489.682] 6: /home/andy/Src/Xorg-git/modular/bin/Xorg (0x8048000 > +0x1a86a) > [0x806286a] > [ 489.682] 7: /lib/libc.so.6 (__libc_start_main+0xd0) [0xb7495380] > [ 489.682] 8: /home/andy/Src/Xorg-git/modular/bin/Xorg (0x8048000 > +0x1a481) > [0x8062481] > [ 489.682] Segmentation fault at address 0x18 > > -- > Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi? > tab=email > ------- You are receiving this mail because: ------- > You are the assignee for the bug. > > > ------------------------------
