Attachment 139729 Details for Bug 106638 – gdb output

gdb output

gdb-Xorg.txt (text/plain), 4.39 KB, created by Robert Liu on 2018-05-24 06:43:39 UTC

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Creator: Robert Liu

Created: 2018-05-24 06:43:39 UTC

Size: 4.39 KB

patch

obsolete

>GNU gdb (Ubuntu 7.11.1-0ubuntu1~16.5) 7.11.1
>Copyright (C) 2016 Free Software Foundation, Inc.
>License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
>This is free software: you are free to change and redistribute it.
>There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
>and "show warranty" for details.
>This GDB was configured as "x86_64-linux-gnu".
>Type "show configuration" for configuration details.
>For bug reporting instructions, please see:
><http://www.gnu.org/software/gdb/bugs/>.
>Find the GDB manual and other documentation resources online at:
><http://www.gnu.org/software/gdb/documentation/>.
>For help, type "help".
>Type "apropos word" to search for commands related to "word"...
>Reading symbols from /usr/lib/xorg/Xorg...Reading symbols from /usr/lib/debug/.build-id/20/38b7355319eeae7c5c7b700238ee9194eee841.debug...done.
>done.
>(gdb) attach 1468
>Attaching to program: /usr/lib/xorg/Xorg, process 1468
>[New LWP 1563]
>[New LWP 1566]
>[New LWP 1567]
>[New LWP 1568]
>[New LWP 1569]
>[New LWP 1570]
>[New LWP 1571]
>[New LWP 1573]
>[New LWP 1674]
>[Thread debugging using libthread_db enabled]
>Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
>0x00007fbbb15fda13 in epoll_wait () at ../sysdeps/unix/syscall-template.S:84
>84	../sysdeps/unix/syscall-template.S: No such file or directory.
>(gdb) c
>Continuing.
>
>Thread 1 "Xorg" received signal SIGSEGV, Segmentation fault.
>0x0000000000000000 in ?? ()
>(gdb) bt full
>#0  0x0000000000000000 in ?? ()
>No symbol table info available.
>#1  0x00007fbbacc022d5 in ms_dirty_update (timeout=0x7fff3d058c04, screen=0x557a635ca2d0) at ../../../../../../../hw/xfree86/drivers/modesetting/driver.c:636
>        ms = 0x557a632f3a70
>        region = <optimized out>
>        ent = 0x557a641d5ff0
>#2  msBlockHandler (pScreen=0x557a635ca2d0, timeout=0x7fff3d058c04) at ../../../../../../../hw/xfree86/drivers/modesetting/driver.c:680
>        ms = <optimized out>
>#3  0x0000557a61028def in BlockHandler (pTimeout=pTimeout@entry=0x7fff3d058c04) at ../../../../dix/dixutils.c:394
>        i = 0
>        j = <optimized out>
>#4  0x0000557a6117f6c3 in WaitForSomething (are_ready=<optimized out>) at ../../../../os/WaitFor.c:219
>        i = <optimized out>
>        timeout = 0
>        pollerr = <optimized out>
>        were_ready = 0
>        timer_is_running = 1
>#5  0x0000557a610240c1 in Dispatch () at ../../../../dix/dispatch.c:422
>        result = <optimized out>
>        start_tick = <optimized out>
>#6  0x0000557a610283b8 in dix_main (argc=12, argv=0x7fff3d058de8, envp=<optimized out>) at ../../../../dix/main.c:287
>        i = <optimized out>
>        alwaysCheckForInput = {0, 1}
>#7  0x00007fbbb1516830 in __libc_start_main (main=0x557a610122f0 <main>, argc=12, argv=0x7fff3d058de8, init=<optimized out>, fini=<optimized out>, 
>    rtld_fini=<optimized out>, stack_end=0x7fff3d058dd8) at ../csu/libc-start.c:291
>        result = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 3414915741589965645, 93984101835520, 140734217162208, 0, 0, 8822147049567554381, 8856213588412205901}, 
>              mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0xc, 0x557a610122f0 <main>}, data = {prev = 0x0, cleanup = 0x0, canceltype = 12}}}
>        not_first_call = <optimized out>
>#8  0x0000557a61012329 in _start ()
>No symbol table info available.
>(gdb) p
>passcount           print               printf              pwd                 python-interactive  
>path                print-object        ptype               python              
>(gdb) print ent
>No symbol "ent" in current context.
>(gdb) q[Kc
>Continuing.
>
>Thread 1 "Xorg" received signal SIGABRT, Aborted.
>0x00007fbbb152b428 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:54
>54	../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
>(gdb) qui[K[K[Kc
>Continuing.
>Couldn't get registers: No such process.
>Couldn't get registers: No such process.
>Couldn't get registers: No such process.
>(gdb) [Thread 0x7fbb9fabf700 (LWP 1674) exited]
>[Thread 0x7fbba06df700 (LWP 1573) exited]
>[Thread 0x7fbba0ee0700 (LWP 1571) exited]
>[Thread 0x7fbba16e1700 (LWP 1570) exited]
>[Thread 0x7fbba1ee2700 (LWP 1569) exited]
>[Thread 0x7fbba26e3700 (LWP 1568) exited]
>[Thread 0x7fbba2ee4700 (LWP 1567) exited]
>[Thread 0x7fbba36e5700 (LWP 1566) exited]
>[Thread 0x7fbba4027700 (LWP 1563) exited]
>
>Program terminated with signal SIGABRT, Aborted.
>The program no longer exists.
>
>The program is not being run.
>(gdb) quit

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