<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - xwl_present_flips_stop: Assertion `xwl_window->present_window == window' failed." href="https://bugs.freedesktop.org/show_bug.cgi?id=106930#c3">Comment # 3</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - xwl_present_flips_stop: Assertion `xwl_window->present_window == window' failed." href="https://bugs.freedesktop.org/show_bug.cgi?id=106930">bug 106930</a> from <a class="email" href="mailto:lionel.g.landwerlin@linux.intel.com" title="Lionel Landwerlin <lionel.g.landwerlin@linux.intel.com>"> Lionel Landwerlin</a> <pre>(In reply to magiblot from <a href="show_bug.cgi?id=106930#c2">comment #2</a>) > Bump. > > I managed to get a backtrace with debug symbols. Please notice the signal is > first raised at #7, and if you ask gdb to continue running then a signal is > raised again at #0. > > If not the same bug, a very similar one. XWayland almost crashes by just > looking at it. > > > Thread 1 "Xwayland" received signal SIGABRT, Aborted. > > 0x00007fe4f8661d7f in raise () from /usr/lib/libc.so.6 > > #0 0x00007fe4f8661d7f in raise () from /usr/lib/libc.so.6 > > #1 0x00007fe4f864c672 in abort () from /usr/lib/libc.so.6 > > #2 0x000055c82a4fd8fa in OsAbort () at ../xserver/os/utils.c:1347 > > #3 0x000055c82a5014b5 in AbortServer () at ../xserver/os/log.c:879 > > #4 FatalError (f=f@entry=0x55c82a638bf8 "Caught signal %d (%s). Server aborting\n") at ../xserver/os/log.c:1017 > > #5 0x000055c82a505a16 in OsSigHandler (signo=<optimized out>, sip=<optimized out>, unused=<optimized out>, signo=<optimized out>, sip=<optimized out>, > > unused=<optimized out>) at ../xserver/os/osinit.c:156 > > #6 <signal handler called> > > #7 0x00007fe4f8661d7f in raise () from /usr/lib/libc.so.6 > > #8 0x00007fe4f864c672 in abort () from /usr/lib/libc.so.6 > > #9 0x00007fe4f864c548 in __assert_fail_base.cold.0 () from /usr/lib/libc.so.6 > > #10 0x00007fe4f865a396 in __assert_fail () from /usr/lib/libc.so.6 > > #11 0x000055c82a61d56b in xwl_present_flips_stop (window=<optimized out>, window=<optimized out>) at ../xserver/hw/xwayland/xwayland-present.c:551 > > #12 0x000055c82a56b8ce in present_wnmd_flips_stop (window=<optimized out>, window=<optimized out>) at ../xserver/present/present_wnmd.c:159 > > #13 0x000055c82a56bb45 in present_wnmd_check_flip_window (window=0x55c82c92e0e0) at ../xserver/present/present_wnmd.c:332 > > #14 0x000055c82a56e8ef in present_clip_notify (window=0x55c82c92e0e0, dx=0, dy=298) at ../xserver/present/present_screen.c:203 > > #15 0x000055c82a597e68 in compClipNotify (pWin=0x55c82c92e0e0, dx=0, dy=298) at ../xserver/composite/compwindow.c:317 > > #16 0x000055c82a5dd615 in miComputeClips (pParent=pParent@entry=0x55c82c92e0e0, pScreen=pScreen@entry=0x55c82c1442c0, universe=universe@entry=0x7ffd9f1ab760, > > kind=kind@entry=VTOther, exposed=exposed@entry=0x7ffd9f1ab8c0) at ../xserver/mi/mivaltree.c:478 > > #17 0x000055c82a5dd508 in miComputeClips (pParent=pParent@entry=0x55c82c7b3610, pScreen=pScreen@entry=0x55c82c1442c0, universe=universe@entry=0x7ffd9f1ab830, > > kind=kind@entry=VTOther, exposed=exposed@entry=0x7ffd9f1ab8c0) at ../xserver/mi/mivaltree.c:428 > > #18 0x000055c82a5dd508 in miComputeClips (pParent=pParent@entry=0x55c82c7b9b00, pScreen=pScreen@entry=0x55c82c1442c0, universe=universe@entry=0x7ffd9f1ab8e0, > > kind=kind@entry=VTOther, exposed=exposed@entry=0x7ffd9f1ab8c0) at ../xserver/mi/mivaltree.c:428 > > #19 0x000055c82a5ddc6b in miValidateTree (pParent=0x55c82c38fe80, pChild=0x55c82c7b9b00, kind=<optimized out>) at ../xserver/mi/mivaltree.c:681 > > #20 0x000055c82a5d8261 in miResizeWindow (pWin=0x55c82c7b9b00, x=0, y=<optimized out>, w=<optimized out>, h=<optimized out>, pSib=0x0) at ../xserver/mi/miwindow.c:467 > > #21 0x000055c82a597cbd in compResizeWindow (pWin=0x55c82c7b9b00, x=<optimized out>, y=<optimized out>, w=<optimized out>, h=<optimized out>, pSib=<optimized out>) > > at ../xserver/composite/compwindow.c:407 > > #22 0x000055c82a59e5f1 in ConfigureWindow (pWin=<optimized out>, mask=<optimized out>, vlist=<optimized out>, client=<optimized out>) at ../xserver/dix/window.c:2406 > > #23 0x000055c82a5cf7e0 in ProcConfigureWindow (client=0x55c82c793a80) at ../xserver/dix/dispatch.c:916 > > #24 0x000055c82a5cdf20 in Dispatch () at ../xserver/dix/dispatch.c:478 > > #25 0x000055c82a4c715d in dix_main (envp=<optimized out>, argv=0x7ffd9f1abe58, argc=6) at ../xserver/dix/main.c:274 > > #26 main (argc=6, argv=0x7ffd9f1abe58, envp=<optimized out>) at ../xserver/dix/stubmain.c:34 > > Cheers. Could it be fixed by : <a href="https://gitlab.freedesktop.org/ajax/xserver/commit/ce271535adb6974e0a43bb64c8ed7a5dcaff67a2">https://gitlab.freedesktop.org/ajax/xserver/commit/ce271535adb6974e0a43bb64c8ed7a5dcaff67a2</a> (available in 1.20.3) ?</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>