Attachment 121496 Details for Bug 93848 – backtrace with above patch applied and handle SIGPIPE

backtrace with above patch applied and handle SIGPIPE

gdb-Xorg_bt4.txt (text/plain), 9.70 KB, created by M. G. on 2016-02-03 16:31:22 UTC

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Creator: M. G.

Created: 2016-02-03 16:31:22 UTC

Size: 9.70 KB

patch

obsolete

>GNU gdb (Gentoo 7.10.1 vanilla) 7.10.1
>Copyright (C) 2015 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-pc-linux-gnu".
>Type "show configuration" for configuration details.
>For bug reporting instructions, please see:
><https://bugs.gentoo.org/>.
>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/bin/Xorg...Reading symbols from /usr/lib64/debug//usr/bin/Xorg.debug...done.
>done.
>(gdb) attach 2546
>Attaching to program: /usr/bin/Xorg, process 2546
>Reading symbols from /usr/lib64/libcrypto.so.1.0.0...(no debugging symbols found)...done.
>Reading symbols from /lib64/libdl.so.2...Reading symbols from /usr/lib64/debug//lib64/libdl-2.21.so.debug...done.
>done.
>Reading symbols from /usr/lib64/libpciaccess.so.0...(no debugging symbols found)...done.
>Reading symbols from /usr/lib64/libdrm.so.2...Reading symbols from /usr/lib64/debug//usr/lib64/libdrm.so.2.4.0.debug...done.
>done.
>Reading symbols from /usr/lib64/libpixman-1.so.0...(no debugging symbols found)...done.
>Reading symbols from /usr/lib64/libXfont.so.1...(no debugging symbols found)...done.
>Reading symbols from /usr/lib64/libXau.so.6...(no debugging symbols found)...done.
>Reading symbols from /usr/lib64/libxshmfence.so.1...(no debugging symbols found)...done.
>Reading symbols from /usr/lib64/libXdmcp.so.6...(no debugging symbols found)...done.
>Reading symbols from /lib64/libm.so.6...Reading symbols from /usr/lib64/debug//lib64/libm-2.21.so.debug...done.
>done.
>Reading symbols from /lib64/libc.so.6...Reading symbols from /usr/lib64/debug//lib64/libc-2.21.so.debug...done.
>done.
>Reading symbols from /lib64/libz.so.1...(no debugging symbols found)...done.
>Reading symbols from /lib64/ld-linux-x86-64.so.2...Reading symbols from /usr/lib64/debug//lib64/ld-2.21.so.debug...done.
>done.
>Reading symbols from /lib64/libpthread.so.0...Reading symbols from /usr/lib64/debug//lib64/libpthread-2.21.so.debug...done.
>done.
>[New LWP 2591]
>[Thread debugging using libthread_db enabled]
>Using host libthread_db library "/lib64/libthread_db.so.1".
>Reading symbols from /usr/lib64/libfreetype.so.6...(no debugging symbols found)...done.
>Reading symbols from /lib64/libbz2.so.1...(no debugging symbols found)...done.
>Reading symbols from /usr/lib64/libfontenc.so.1...(no debugging symbols found)...done.
>Reading symbols from /usr/lib64/libpng16.so.16...(no debugging symbols found)...done.
>Reading symbols from /usr/lib/gcc/x86_64-pc-linux-gnu/4.9.3/libgcc_s.so.1...(no debugging symbols found)...done.
>Reading symbols from /usr/lib64/xorg/modules/extensions/libglx.so...Reading symbols from /usr/lib64/debug//usr/lib64/xorg/modules/extensions/libglx.so.debug...done.
>done.
>Reading symbols from /usr/lib64/libGL.so.1...(no debugging symbols found)...done.
>Reading symbols from /usr/lib64/libexpat.so.1...(no debugging symbols found)...done.
>Reading symbols from /usr/lib64/libglapi.so.0...(no debugging symbols found)...done.
>Reading symbols from /usr/lib64/libXext.so.6...(no debugging symbols found)...done.
>Reading symbols from /usr/lib64/libXdamage.so.1...(no debugging symbols found)...done.
>Reading symbols from /usr/lib64/libXfixes.so.3...(no debugging symbols found)...done.
>Reading symbols from /usr/lib64/libX11-xcb.so.1...(no debugging symbols found)...done.
>Reading symbols from /usr/lib64/libX11.so.6...(no debugging symbols found)...done.
>Reading symbols from /usr/lib64/libxcb-glx.so.0...(no debugging symbols found)...done.
>Reading symbols from /usr/lib64/libxcb-dri2.so.0...(no debugging symbols found)...done.
>Reading symbols from /usr/lib64/libxcb-dri3.so.0...(no debugging symbols found)...done.
>Reading symbols from /usr/lib64/libxcb-present.so.0...(no debugging symbols found)...done.
>Reading symbols from /usr/lib64/libxcb-randr.so.0...(no debugging symbols found)...done.
>Reading symbols from /usr/lib64/libxcb-xfixes.so.0...(no debugging symbols found)...done.
>Reading symbols from /usr/lib64/libxcb-render.so.0...(no debugging symbols found)...done.
>Reading symbols from /usr/lib64/libxcb-shape.so.0...(no debugging symbols found)...done.
>Reading symbols from /usr/lib64/libxcb-sync.so.1...(no debugging symbols found)...done.
>Reading symbols from /usr/lib64/libxcb.so.1...(no debugging symbols found)...done.
>Reading symbols from /usr/lib64/libXxf86vm.so.1...(no debugging symbols found)...done.
>Reading symbols from /usr/lib64/xorg/modules/drivers/intel_drv.so...Reading symbols from /usr/lib64/debug//usr/lib64/xorg/modules/drivers/intel_drv.so.debug...done.
>done.
>Reading symbols from /lib64/libudev.so.1...(no debugging symbols found)...done.
>Reading symbols from /lib64/librt.so.1...Reading symbols from /usr/lib64/debug//lib64/librt-2.21.so.debug...done.
>done.
>Reading symbols from /lib64/libresolv.so.2...Reading symbols from /usr/lib64/debug//lib64/libresolv-2.21.so.debug...done.
>done.
>Reading symbols from /lib64/libcap.so.2...(no debugging symbols found)...done.
>Reading symbols from /lib64/libattr.so.1...(no debugging symbols found)...done.
>Reading symbols from /usr/lib64/xorg/modules/input/mouse_drv.so...Reading symbols from /usr/lib64/debug//usr/lib64/xorg/modules/input/mouse_drv.so.debug...done.
>done.
>Reading symbols from /usr/lib64/xorg/modules/input/kbd_drv.so...Reading symbols from /usr/lib64/debug//usr/lib64/xorg/modules/input/kbd_drv.so.debug...done.
>done.
>Reading symbols from /usr/lib64/dri/i965_dri.so...(no debugging symbols found)...done.
>Reading symbols from /usr/lib64/libdrm_intel.so.1...Reading symbols from /usr/lib64/debug//usr/lib64/libdrm_intel.so.1.0.0.debug...done.
>done.
>Reading symbols from /usr/lib/gcc/x86_64-pc-linux-gnu/4.9.3/libstdc++.so.6...(no debugging symbols found)...done.
>0x00007fa3c0a77ce3 in select () at ../sysdeps/unix/syscall-template.S:81
>81	../sysdeps/unix/syscall-template.S: No such file or directory.
>(gdb) handle SIGPIPE nostop noprint pass
>Signal        Stop	Print	Pass to program	Description
>SIGPIPE       No	No	Yes		Broken pipe
>(gdb) cont
>Continuing.
>
>Program received signal SIGSEGV, Segmentation fault.
>_int_malloc (av=av@entry=0x7fa3c0d2cc00 <main_arena>, bytes=bytes@entry=14960) at malloc.c:3576
>3576	malloc.c: No such file or directory.
>(gdb) bt full
>#0  _int_malloc (av=av@entry=0x7fa3c0d2cc00 <main_arena>, bytes=bytes@entry=14960) at malloc.c:3576
>        iters = <optimized out>
>        nb = <optimized out>
>        idx = 113
>        bin = 0x7fa3c0d2d358 <main_arena+1880>
>        victim = 0x3cc078054f00806
>        size = <optimized out>
>        victim_index = <optimized out>
>        remainder = <optimized out>
>        remainder_size = <optimized out>
>        block = <optimized out>
>        bit = <optimized out>
>        map = <optimized out>
>        fwd = <optimized out>
>        bck = <optimized out>
>        errstr = 0x0
>        __func__ = "_int_malloc"
>#1  0x00007fa3c0a12675 in __libc_calloc (n=<optimized out>, elem_size=<optimized out>) at malloc.c:3210
>        av = 0x7fa3c0d2cc00 <main_arena>
>        oldtop = 0x309af90
>        p = <optimized out>
>        bytes = 14960
>        sz = 14960
>        csz = <optimized out>
>        oldtopsize = 2895984
>        mem = <optimized out>
>        clearsize = <optimized out>
>        nclears = <optimized out>
>        d = <optimized out>
>        hook = <optimized out>
>        __func__ = "__libc_calloc"
>#2  0x0000000000434025 in DoGetImage (planemask=<optimized out>, height=20, width=187, y=2, x=2, drawable=<optimized out>, format=2, 
>    client=0x1cc57a0) at /var/tmp/portage/x11-base/xorg-server-1.17.4/work/xorg-server-1.17.4/dix/dispatch.c:2144
>        pBoundingDraw = <optimized out>
>        linesPerBuf = 20
>        relx = <optimized out>
>        widthBytesLine = 748
>        plane = 0
>        pVisibleRegion = 0x0
>        rely = <optimized out>
>        xgi = {type = 1 '\001', depth = 24 '\030', sequenceNumber = 16289, length = 3740, visual = 0, pad3 = 0, pad4 = 0, pad5 = 0, pad6 = 0, 
>          pad7 = 0}
>        pDraw = 0x2b17450
>        nlines = <optimized out>
>        rc = <optimized out>
>        linesDone = <optimized out>
>        length = <optimized out>
>        pBuf = <optimized out>
>#3  ProcGetImage (client=0x1cc57a0) at /var/tmp/portage/x11-base/xorg-server-1.17.4/work/xorg-server-1.17.4/dix/dispatch.c:2225
>        stuff = <optimized out>
>#4  0x0000000000437137 in Dispatch () at /var/tmp/portage/x11-base/xorg-server-1.17.4/work/xorg-server-1.17.4/dix/dispatch.c:429
>        clientReady = 0x1c93b50
>        result = <optimized out>
>        client = 0x1cc57a0
>        nready = 0
>        icheck = 0x81d3b0 <checkForInput>
>        start_tick = 11525
>#5  0x000000000043b23b in dix_main (argc=5, argv=0x7fff18159448, envp=<optimized out>)
>    at /var/tmp/portage/x11-base/xorg-server-1.17.4/work/xorg-server-1.17.4/dix/main.c:298
>        i = <optimized out>
>        alwaysCheckForInput = {0, 1}
>#6  0x00007fa3c09b77b0 in __libc_start_main (main=0x425780 <main>, argc=5, argv=0x7fff18159448, init=<optimized out>, fini=<optimized out>, 
>    rtld_fini=<optimized out>, stack_end=0x7fff18159438) at libc-start.c:289
>        result = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 8461978652658364004, 4347792, 140733597455424, 0, 0, -8462039019622764956, 
>                -8491117884308459932}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x5980d0 <__libc_csu_init>, 0x7fff18159448}, data = {
>              prev = 0x0, cleanup = 0x0, canceltype = 5865680}}}
>        not_first_call = <optimized out>
>#7  0x00000000004257b9 in _start ()
>No symbol table info available.
>(gdb) kill
>Kill the program being debugged? (y or n) y
>(gdb) quit

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Attachments on bug 93848: 121260 | 121261 | 121262 | 121263 | 121267 | 121496 | 121521 | 121747 | 121748 | 121749

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